File: | projects/openmp/runtime/src/kmp_runtime.cpp |
Warning: | line 289, column 10 Dereference of null pointer |
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1 | /* | |||||||
2 | * kmp_runtime.cpp -- KPTS runtime support library | |||||||
3 | */ | |||||||
4 | ||||||||
5 | //===----------------------------------------------------------------------===// | |||||||
6 | // | |||||||
7 | // The LLVM Compiler Infrastructure | |||||||
8 | // | |||||||
9 | // This file is dual licensed under the MIT and the University of Illinois Open | |||||||
10 | // Source Licenses. See LICENSE.txt for details. | |||||||
11 | // | |||||||
12 | //===----------------------------------------------------------------------===// | |||||||
13 | ||||||||
14 | #include "kmp.h" | |||||||
15 | #include "kmp_affinity.h" | |||||||
16 | #include "kmp_atomic.h" | |||||||
17 | #include "kmp_environment.h" | |||||||
18 | #include "kmp_error.h" | |||||||
19 | #include "kmp_i18n.h" | |||||||
20 | #include "kmp_io.h" | |||||||
21 | #include "kmp_itt.h" | |||||||
22 | #include "kmp_settings.h" | |||||||
23 | #include "kmp_stats.h" | |||||||
24 | #include "kmp_str.h" | |||||||
25 | #include "kmp_wait_release.h" | |||||||
26 | #include "kmp_wrapper_getpid.h" | |||||||
27 | #include "kmp_dispatch.h" | |||||||
28 | #if KMP_USE_HIER_SCHED0 | |||||||
29 | #include "kmp_dispatch_hier.h" | |||||||
30 | #endif | |||||||
31 | ||||||||
32 | #if OMPT_SUPPORT1 | |||||||
33 | #include "ompt-specific.h" | |||||||
34 | #endif | |||||||
35 | ||||||||
36 | /* these are temporary issues to be dealt with */ | |||||||
37 | #define KMP_USE_PRCTL0 0 | |||||||
38 | ||||||||
39 | #if KMP_OS_WINDOWS0 | |||||||
40 | #include <process.h> | |||||||
41 | #endif | |||||||
42 | ||||||||
43 | #include "tsan_annotations.h" | |||||||
44 | ||||||||
45 | #if defined(KMP_GOMP_COMPAT) | |||||||
46 | char const __kmp_version_alt_comp[] = | |||||||
47 | KMP_VERSION_PREFIX"\x00@(#) " "Intel(R) OMP " "alternative compiler support: yes"; | |||||||
48 | #endif /* defined(KMP_GOMP_COMPAT) */ | |||||||
49 | ||||||||
50 | char const __kmp_version_omp_api[] = KMP_VERSION_PREFIX"\x00@(#) " "Intel(R) OMP " "API version: " | |||||||
51 | #if OMP_50_ENABLED(50 >= 50) | |||||||
52 | "5.0 (201611)"; | |||||||
53 | #elif OMP_45_ENABLED(50 >= 45) | |||||||
54 | "4.5 (201511)"; | |||||||
55 | #elif OMP_40_ENABLED(50 >= 40) | |||||||
56 | "4.0 (201307)"; | |||||||
57 | #else | |||||||
58 | "3.1 (201107)"; | |||||||
59 | #endif | |||||||
60 | ||||||||
61 | #ifdef KMP_DEBUG1 | |||||||
62 | char const __kmp_version_lock[] = | |||||||
63 | KMP_VERSION_PREFIX"\x00@(#) " "Intel(R) OMP " "lock type: run time selectable"; | |||||||
64 | #endif /* KMP_DEBUG */ | |||||||
65 | ||||||||
66 | #define KMP_MIN(x, y)((x) < (y) ? (x) : (y)) ((x) < (y) ? (x) : (y)) | |||||||
67 | ||||||||
68 | /* ------------------------------------------------------------------------ */ | |||||||
69 | ||||||||
70 | #if KMP_USE_MONITOR | |||||||
71 | kmp_info_t __kmp_monitor; | |||||||
72 | #endif | |||||||
73 | ||||||||
74 | /* Forward declarations */ | |||||||
75 | ||||||||
76 | void __kmp_cleanup(void); | |||||||
77 | ||||||||
78 | static void __kmp_initialize_info(kmp_info_t *, kmp_team_t *, int tid, | |||||||
79 | int gtid); | |||||||
80 | static void __kmp_initialize_team(kmp_team_t *team, int new_nproc, | |||||||
81 | kmp_internal_control_t *new_icvs, | |||||||
82 | ident_t *loc); | |||||||
83 | #if OMP_40_ENABLED(50 >= 40) && KMP_AFFINITY_SUPPORTED1 | |||||||
84 | static void __kmp_partition_places(kmp_team_t *team, | |||||||
85 | int update_master_only = 0); | |||||||
86 | #endif | |||||||
87 | static void __kmp_do_serial_initialize(void); | |||||||
88 | void __kmp_fork_barrier(int gtid, int tid); | |||||||
89 | void __kmp_join_barrier(int gtid); | |||||||
90 | void __kmp_setup_icv_copy(kmp_team_t *team, int new_nproc, | |||||||
91 | kmp_internal_control_t *new_icvs, ident_t *loc); | |||||||
92 | ||||||||
93 | #ifdef USE_LOAD_BALANCE1 | |||||||
94 | static int __kmp_load_balance_nproc(kmp_root_t *root, int set_nproc); | |||||||
95 | #endif | |||||||
96 | ||||||||
97 | static int __kmp_expand_threads(int nNeed); | |||||||
98 | #if KMP_OS_WINDOWS0 | |||||||
99 | static int __kmp_unregister_root_other_thread(int gtid); | |||||||
100 | #endif | |||||||
101 | static void __kmp_unregister_library(void); // called by __kmp_internal_end() | |||||||
102 | static void __kmp_reap_thread(kmp_info_t *thread, int is_root); | |||||||
103 | kmp_info_t *__kmp_thread_pool_insert_pt = NULL__null; | |||||||
104 | ||||||||
105 | /* Calculate the identifier of the current thread */ | |||||||
106 | /* fast (and somewhat portable) way to get unique identifier of executing | |||||||
107 | thread. Returns KMP_GTID_DNE if we haven't been assigned a gtid. */ | |||||||
108 | int __kmp_get_global_thread_id() { | |||||||
109 | int i; | |||||||
110 | kmp_info_t **other_threads; | |||||||
111 | size_t stack_data; | |||||||
112 | char *stack_addr; | |||||||
113 | size_t stack_size; | |||||||
114 | char *stack_base; | |||||||
115 | ||||||||
116 | KA_TRACE(if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id: entering, nproc=%d all_nproc=%d\n" , __kmp_nth, __kmp_all_nth); } | |||||||
117 | 1000,if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id: entering, nproc=%d all_nproc=%d\n" , __kmp_nth, __kmp_all_nth); } | |||||||
118 | ("*** __kmp_get_global_thread_id: entering, nproc=%d all_nproc=%d\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id: entering, nproc=%d all_nproc=%d\n" , __kmp_nth, __kmp_all_nth); } | |||||||
119 | __kmp_nth, __kmp_all_nth))if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id: entering, nproc=%d all_nproc=%d\n" , __kmp_nth, __kmp_all_nth); }; | |||||||
120 | ||||||||
121 | /* JPH - to handle the case where __kmpc_end(0) is called immediately prior to | |||||||
122 | a parallel region, made it return KMP_GTID_DNE to force serial_initialize | |||||||
123 | by caller. Had to handle KMP_GTID_DNE at all call-sites, or else guarantee | |||||||
124 | __kmp_init_gtid for this to work. */ | |||||||
125 | ||||||||
126 | if (!TCR_4(__kmp_init_gtid)(__kmp_init_gtid)) | |||||||
127 | return KMP_GTID_DNE(-2); | |||||||
128 | ||||||||
129 | #ifdef KMP_TDATA_GTID1 | |||||||
130 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) >= 3) { | |||||||
131 | KA_TRACE(1000, ("*** __kmp_get_global_thread_id: using TDATA\n"))if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id: using TDATA\n" ); }; | |||||||
132 | return __kmp_gtid; | |||||||
133 | } | |||||||
134 | #endif | |||||||
135 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) >= 2) { | |||||||
136 | KA_TRACE(1000, ("*** __kmp_get_global_thread_id: using keyed TLS\n"))if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id: using keyed TLS\n" ); }; | |||||||
137 | return __kmp_gtid_get_specific(); | |||||||
138 | } | |||||||
139 | KA_TRACE(1000, ("*** __kmp_get_global_thread_id: using internal alg.\n"))if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id: using internal alg.\n" ); }; | |||||||
140 | ||||||||
141 | stack_addr = (char *)&stack_data; | |||||||
142 | other_threads = __kmp_threads; | |||||||
143 | ||||||||
144 | /* ATT: The code below is a source of potential bugs due to unsynchronized | |||||||
145 | access to __kmp_threads array. For example: | |||||||
146 | 1. Current thread loads other_threads[i] to thr and checks it, it is | |||||||
147 | non-NULL. | |||||||
148 | 2. Current thread is suspended by OS. | |||||||
149 | 3. Another thread unregisters and finishes (debug versions of free() | |||||||
150 | may fill memory with something like 0xEF). | |||||||
151 | 4. Current thread is resumed. | |||||||
152 | 5. Current thread reads junk from *thr. | |||||||
153 | TODO: Fix it. --ln */ | |||||||
154 | ||||||||
155 | for (i = 0; i < __kmp_threads_capacity; i++) { | |||||||
156 | ||||||||
157 | kmp_info_t *thr = (kmp_info_t *)TCR_SYNC_PTR(other_threads[i])((void *)(other_threads[i])); | |||||||
158 | if (!thr) | |||||||
159 | continue; | |||||||
160 | ||||||||
161 | stack_size = (size_t)TCR_PTR(thr->th.th_info.ds.ds_stacksize)((void *)(thr->th.th_info.ds.ds_stacksize)); | |||||||
162 | stack_base = (char *)TCR_PTR(thr->th.th_info.ds.ds_stackbase)((void *)(thr->th.th_info.ds.ds_stackbase)); | |||||||
163 | ||||||||
164 | /* stack grows down -- search through all of the active threads */ | |||||||
165 | ||||||||
166 | if (stack_addr <= stack_base) { | |||||||
167 | size_t stack_diff = stack_base - stack_addr; | |||||||
168 | ||||||||
169 | if (stack_diff <= stack_size) { | |||||||
170 | /* The only way we can be closer than the allocated */ | |||||||
171 | /* stack size is if we are running on this thread. */ | |||||||
172 | KMP_DEBUG_ASSERT(__kmp_gtid_get_specific() == i)((__kmp_gtid_get_specific() == i) ? 0 : __kmp_debug_assert("__kmp_gtid_get_specific() == i" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 172)); | |||||||
173 | return i; | |||||||
174 | } | |||||||
175 | } | |||||||
176 | } | |||||||
177 | ||||||||
178 | /* get specific to try and determine our gtid */ | |||||||
179 | KA_TRACE(1000,if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id: internal alg. failed to find " "thread, using TLS\n"); } | |||||||
180 | ("*** __kmp_get_global_thread_id: internal alg. failed to find "if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id: internal alg. failed to find " "thread, using TLS\n"); } | |||||||
181 | "thread, using TLS\n"))if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id: internal alg. failed to find " "thread, using TLS\n"); }; | |||||||
182 | i = __kmp_gtid_get_specific(); | |||||||
183 | ||||||||
184 | /*fprintf( stderr, "=== %d\n", i ); */ /* GROO */ | |||||||
185 | ||||||||
186 | /* if we havn't been assigned a gtid, then return code */ | |||||||
187 | if (i < 0) | |||||||
188 | return i; | |||||||
189 | ||||||||
190 | /* dynamically updated stack window for uber threads to avoid get_specific | |||||||
191 | call */ | |||||||
192 | if (!TCR_4(other_threads[i]->th.th_info.ds.ds_stackgrow)(other_threads[i]->th.th_info.ds.ds_stackgrow)) { | |||||||
193 | KMP_FATAL(StackOverflow, i)__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_StackOverflow, i), __kmp_msg_null ); | |||||||
194 | } | |||||||
195 | ||||||||
196 | stack_base = (char *)other_threads[i]->th.th_info.ds.ds_stackbase; | |||||||
197 | if (stack_addr > stack_base) { | |||||||
198 | TCW_PTR(other_threads[i]->th.th_info.ds.ds_stackbase, stack_addr)((other_threads[i]->th.th_info.ds.ds_stackbase)) = ((stack_addr )); | |||||||
199 | TCW_PTR(other_threads[i]->th.th_info.ds.ds_stacksize,((other_threads[i]->th.th_info.ds.ds_stacksize)) = ((other_threads [i]->th.th_info.ds.ds_stacksize + stack_addr - stack_base) ) | |||||||
200 | other_threads[i]->th.th_info.ds.ds_stacksize + stack_addr -((other_threads[i]->th.th_info.ds.ds_stacksize)) = ((other_threads [i]->th.th_info.ds.ds_stacksize + stack_addr - stack_base) ) | |||||||
201 | stack_base)((other_threads[i]->th.th_info.ds.ds_stacksize)) = ((other_threads [i]->th.th_info.ds.ds_stacksize + stack_addr - stack_base) ); | |||||||
202 | } else { | |||||||
203 | TCW_PTR(other_threads[i]->th.th_info.ds.ds_stacksize,((other_threads[i]->th.th_info.ds.ds_stacksize)) = ((stack_base - stack_addr)) | |||||||
204 | stack_base - stack_addr)((other_threads[i]->th.th_info.ds.ds_stacksize)) = ((stack_base - stack_addr)); | |||||||
205 | } | |||||||
206 | ||||||||
207 | /* Reprint stack bounds for ubermaster since they have been refined */ | |||||||
208 | if (__kmp_storage_map) { | |||||||
209 | char *stack_end = (char *)other_threads[i]->th.th_info.ds.ds_stackbase; | |||||||
210 | char *stack_beg = stack_end - other_threads[i]->th.th_info.ds.ds_stacksize; | |||||||
211 | __kmp_print_storage_map_gtid(i, stack_beg, stack_end, | |||||||
212 | other_threads[i]->th.th_info.ds.ds_stacksize, | |||||||
213 | "th_%d stack (refinement)", i); | |||||||
214 | } | |||||||
215 | return i; | |||||||
216 | } | |||||||
217 | ||||||||
218 | int __kmp_get_global_thread_id_reg() { | |||||||
219 | int gtid; | |||||||
220 | ||||||||
221 | if (!__kmp_init_serial) { | |||||||
222 | gtid = KMP_GTID_DNE(-2); | |||||||
223 | } else | |||||||
224 | #ifdef KMP_TDATA_GTID1 | |||||||
225 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) >= 3) { | |||||||
226 | KA_TRACE(1000, ("*** __kmp_get_global_thread_id_reg: using TDATA\n"))if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id_reg: using TDATA\n" ); }; | |||||||
227 | gtid = __kmp_gtid; | |||||||
228 | } else | |||||||
229 | #endif | |||||||
230 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) >= 2) { | |||||||
231 | KA_TRACE(1000, ("*** __kmp_get_global_thread_id_reg: using keyed TLS\n"))if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id_reg: using keyed TLS\n" ); }; | |||||||
232 | gtid = __kmp_gtid_get_specific(); | |||||||
233 | } else { | |||||||
234 | KA_TRACE(1000,if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id_reg: using internal alg.\n" ); } | |||||||
235 | ("*** __kmp_get_global_thread_id_reg: using internal alg.\n"))if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id_reg: using internal alg.\n" ); }; | |||||||
236 | gtid = __kmp_get_global_thread_id(); | |||||||
237 | } | |||||||
238 | ||||||||
239 | /* we must be a new uber master sibling thread */ | |||||||
240 | if (gtid == KMP_GTID_DNE(-2)) { | |||||||
241 | KA_TRACE(10,if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_get_global_thread_id_reg: Encountered new root thread. " "Registering a new gtid.\n"); } | |||||||
242 | ("__kmp_get_global_thread_id_reg: Encountered new root thread. "if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_get_global_thread_id_reg: Encountered new root thread. " "Registering a new gtid.\n"); } | |||||||
243 | "Registering a new gtid.\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_get_global_thread_id_reg: Encountered new root thread. " "Registering a new gtid.\n"); }; | |||||||
244 | __kmp_acquire_bootstrap_lock(&__kmp_initz_lock); | |||||||
245 | if (!__kmp_init_serial) { | |||||||
246 | __kmp_do_serial_initialize(); | |||||||
247 | gtid = __kmp_gtid_get_specific(); | |||||||
248 | } else { | |||||||
249 | gtid = __kmp_register_root(FALSE0); | |||||||
250 | } | |||||||
251 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
252 | /*__kmp_printf( "+++ %d\n", gtid ); */ /* GROO */ | |||||||
253 | } | |||||||
254 | ||||||||
255 | KMP_DEBUG_ASSERT(gtid >= 0)((gtid >= 0) ? 0 : __kmp_debug_assert("gtid >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 255)); | |||||||
256 | ||||||||
257 | return gtid; | |||||||
258 | } | |||||||
259 | ||||||||
260 | /* caller must hold forkjoin_lock */ | |||||||
261 | void __kmp_check_stack_overlap(kmp_info_t *th) { | |||||||
262 | int f; | |||||||
263 | char *stack_beg = NULL__null; | |||||||
264 | char *stack_end = NULL__null; | |||||||
265 | int gtid; | |||||||
266 | ||||||||
267 | KA_TRACE(10, ("__kmp_check_stack_overlap: called\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_check_stack_overlap: called\n" ); }; | |||||||
268 | if (__kmp_storage_map) { | |||||||
| ||||||||
269 | stack_end = (char *)th->th.th_info.ds.ds_stackbase; | |||||||
270 | stack_beg = stack_end - th->th.th_info.ds.ds_stacksize; | |||||||
271 | ||||||||
272 | gtid = __kmp_gtid_from_thread(th)((((th) != __null) ? 0 : __kmp_debug_assert("(th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 272)), (th)->th.th_info.ds.ds_gtid); | |||||||
273 | ||||||||
274 | if (gtid == KMP_GTID_MONITOR(-4)) { | |||||||
275 | __kmp_print_storage_map_gtid( | |||||||
276 | gtid, stack_beg, stack_end, th->th.th_info.ds.ds_stacksize, | |||||||
277 | "th_%s stack (%s)", "mon", | |||||||
278 | (th->th.th_info.ds.ds_stackgrow) ? "initial" : "actual"); | |||||||
279 | } else { | |||||||
280 | __kmp_print_storage_map_gtid( | |||||||
281 | gtid, stack_beg, stack_end, th->th.th_info.ds.ds_stacksize, | |||||||
282 | "th_%d stack (%s)", gtid, | |||||||
283 | (th->th.th_info.ds.ds_stackgrow) ? "initial" : "actual"); | |||||||
284 | } | |||||||
285 | } | |||||||
286 | ||||||||
287 | /* No point in checking ubermaster threads since they use refinement and | |||||||
288 | * cannot overlap */ | |||||||
289 | gtid = __kmp_gtid_from_thread(th)((((th) != __null) ? 0 : __kmp_debug_assert("(th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 289)), (th)->th.th_info.ds.ds_gtid); | |||||||
| ||||||||
290 | if (__kmp_env_checks == TRUE(!0) && !KMP_UBER_GTID(gtid)((((gtid) >= (-6)) ? 0 : __kmp_debug_assert("(gtid) >= (-6)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 290)), (((gtid) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(gtid) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 290)), (gtid) >= 0 && __kmp_root[(gtid)] && __kmp_threads[(gtid)] && (__kmp_threads[(gtid)] == __kmp_root [(gtid)]->r.r_uber_thread))) { | |||||||
291 | KA_TRACE(10,if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_check_stack_overlap: performing extensive checking\n" ); } | |||||||
292 | ("__kmp_check_stack_overlap: performing extensive checking\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_check_stack_overlap: performing extensive checking\n" ); }; | |||||||
293 | if (stack_beg == NULL__null) { | |||||||
294 | stack_end = (char *)th->th.th_info.ds.ds_stackbase; | |||||||
295 | stack_beg = stack_end - th->th.th_info.ds.ds_stacksize; | |||||||
296 | } | |||||||
297 | ||||||||
298 | for (f = 0; f < __kmp_threads_capacity; f++) { | |||||||
299 | kmp_info_t *f_th = (kmp_info_t *)TCR_SYNC_PTR(__kmp_threads[f])((void *)(__kmp_threads[f])); | |||||||
300 | ||||||||
301 | if (f_th && f_th != th) { | |||||||
302 | char *other_stack_end = | |||||||
303 | (char *)TCR_PTR(f_th->th.th_info.ds.ds_stackbase)((void *)(f_th->th.th_info.ds.ds_stackbase)); | |||||||
304 | char *other_stack_beg = | |||||||
305 | other_stack_end - (size_t)TCR_PTR(f_th->th.th_info.ds.ds_stacksize)((void *)(f_th->th.th_info.ds.ds_stacksize)); | |||||||
306 | if ((stack_beg > other_stack_beg && stack_beg < other_stack_end) || | |||||||
307 | (stack_end > other_stack_beg && stack_end < other_stack_end)) { | |||||||
308 | ||||||||
309 | /* Print the other stack values before the abort */ | |||||||
310 | if (__kmp_storage_map) | |||||||
311 | __kmp_print_storage_map_gtid( | |||||||
312 | -1, other_stack_beg, other_stack_end, | |||||||
313 | (size_t)TCR_PTR(f_th->th.th_info.ds.ds_stacksize)((void *)(f_th->th.th_info.ds.ds_stacksize)), | |||||||
314 | "th_%d stack (overlapped)", __kmp_gtid_from_thread(f_th)((((f_th) != __null) ? 0 : __kmp_debug_assert("(f_th) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 314)), (f_th)->th.th_info.ds.ds_gtid)); | |||||||
315 | ||||||||
316 | __kmp_fatal(KMP_MSG(StackOverlap)__kmp_msg_format(kmp_i18n_msg_StackOverlap), KMP_HNT(ChangeStackLimit)__kmp_msg_format(kmp_i18n_hnt_ChangeStackLimit), | |||||||
317 | __kmp_msg_null); | |||||||
318 | } | |||||||
319 | } | |||||||
320 | } | |||||||
321 | } | |||||||
322 | KA_TRACE(10, ("__kmp_check_stack_overlap: returning\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_check_stack_overlap: returning\n" ); }; | |||||||
323 | } | |||||||
324 | ||||||||
325 | /* ------------------------------------------------------------------------ */ | |||||||
326 | ||||||||
327 | void __kmp_infinite_loop(void) { | |||||||
328 | static int done = FALSE0; | |||||||
329 | ||||||||
330 | while (!done) { | |||||||
331 | KMP_YIELD(1){ __kmp_x86_pause(); __kmp_yield((1)); }; | |||||||
332 | } | |||||||
333 | } | |||||||
334 | ||||||||
335 | #define MAX_MESSAGE512 512 | |||||||
336 | ||||||||
337 | void __kmp_print_storage_map_gtid(int gtid, void *p1, void *p2, size_t size, | |||||||
338 | char const *format, ...) { | |||||||
339 | char buffer[MAX_MESSAGE512]; | |||||||
340 | va_list ap; | |||||||
341 | ||||||||
342 | va_start(ap, format)__builtin_va_start(ap, format); | |||||||
343 | KMP_SNPRINTFsnprintf(buffer, sizeof(buffer), "OMP storage map: %p %p%8lu %s\n", p1, | |||||||
344 | p2, (unsigned long)size, format); | |||||||
345 | __kmp_acquire_bootstrap_lock(&__kmp_stdio_lock); | |||||||
346 | __kmp_vprintf(kmp_err, buffer, ap); | |||||||
347 | #if KMP_PRINT_DATA_PLACEMENT | |||||||
348 | int node; | |||||||
349 | if (gtid >= 0) { | |||||||
350 | if (p1 <= p2 && (char *)p2 - (char *)p1 == size) { | |||||||
351 | if (__kmp_storage_map_verbose) { | |||||||
352 | node = __kmp_get_host_node(p1); | |||||||
353 | if (node < 0) /* doesn't work, so don't try this next time */ | |||||||
354 | __kmp_storage_map_verbose = FALSE0; | |||||||
355 | else { | |||||||
356 | char *last; | |||||||
357 | int lastNode; | |||||||
358 | int localProc = __kmp_get_cpu_from_gtid(gtid); | |||||||
359 | ||||||||
360 | const int page_size = KMP_GET_PAGE_SIZE()getpagesize(); | |||||||
361 | ||||||||
362 | p1 = (void *)((size_t)p1 & ~((size_t)page_size - 1)); | |||||||
363 | p2 = (void *)(((size_t)p2 - 1) & ~((size_t)page_size - 1)); | |||||||
364 | if (localProc >= 0) | |||||||
365 | __kmp_printf_no_lock(" GTID %d localNode %d\n", gtid, | |||||||
366 | localProc >> 1); | |||||||
367 | else | |||||||
368 | __kmp_printf_no_lock(" GTID %d\n", gtid); | |||||||
369 | #if KMP_USE_PRCTL0 | |||||||
370 | /* The more elaborate format is disabled for now because of the prctl | |||||||
371 | * hanging bug. */ | |||||||
372 | do { | |||||||
373 | last = p1; | |||||||
374 | lastNode = node; | |||||||
375 | /* This loop collates adjacent pages with the same host node. */ | |||||||
376 | do { | |||||||
377 | (char *)p1 += page_size; | |||||||
378 | } while (p1 <= p2 && (node = __kmp_get_host_node(p1)) == lastNode); | |||||||
379 | __kmp_printf_no_lock(" %p-%p memNode %d\n", last, (char *)p1 - 1, | |||||||
380 | lastNode); | |||||||
381 | } while (p1 <= p2); | |||||||
382 | #else | |||||||
383 | __kmp_printf_no_lock(" %p-%p memNode %d\n", p1, | |||||||
384 | (char *)p1 + (page_size - 1), | |||||||
385 | __kmp_get_host_node(p1)); | |||||||
386 | if (p1 < p2) { | |||||||
387 | __kmp_printf_no_lock(" %p-%p memNode %d\n", p2, | |||||||
388 | (char *)p2 + (page_size - 1), | |||||||
389 | __kmp_get_host_node(p2)); | |||||||
390 | } | |||||||
391 | #endif | |||||||
392 | } | |||||||
393 | } | |||||||
394 | } else | |||||||
395 | __kmp_printf_no_lock(" %s\n", KMP_I18N_STR(StorageMapWarning)__kmp_i18n_catgets(kmp_i18n_str_StorageMapWarning)); | |||||||
396 | } | |||||||
397 | #endif /* KMP_PRINT_DATA_PLACEMENT */ | |||||||
398 | __kmp_release_bootstrap_lock(&__kmp_stdio_lock); | |||||||
399 | } | |||||||
400 | ||||||||
401 | void __kmp_warn(char const *format, ...) { | |||||||
402 | char buffer[MAX_MESSAGE512]; | |||||||
403 | va_list ap; | |||||||
404 | ||||||||
405 | if (__kmp_generate_warnings == kmp_warnings_off) { | |||||||
406 | return; | |||||||
407 | } | |||||||
408 | ||||||||
409 | va_start(ap, format)__builtin_va_start(ap, format); | |||||||
410 | ||||||||
411 | KMP_SNPRINTFsnprintf(buffer, sizeof(buffer), "OMP warning: %s\n", format); | |||||||
412 | __kmp_acquire_bootstrap_lock(&__kmp_stdio_lock); | |||||||
413 | __kmp_vprintf(kmp_err, buffer, ap); | |||||||
414 | __kmp_release_bootstrap_lock(&__kmp_stdio_lock); | |||||||
415 | ||||||||
416 | va_end(ap)__builtin_va_end(ap); | |||||||
417 | } | |||||||
418 | ||||||||
419 | void __kmp_abort_process() { | |||||||
420 | // Later threads may stall here, but that's ok because abort() will kill them. | |||||||
421 | __kmp_acquire_bootstrap_lock(&__kmp_exit_lock); | |||||||
422 | ||||||||
423 | if (__kmp_debug_buf) { | |||||||
424 | __kmp_dump_debug_buffer(); | |||||||
425 | } | |||||||
426 | ||||||||
427 | if (KMP_OS_WINDOWS0) { | |||||||
428 | // Let other threads know of abnormal termination and prevent deadlock | |||||||
429 | // if abort happened during library initialization or shutdown | |||||||
430 | __kmp_global.g.g_abort = SIGABRT6; | |||||||
431 | ||||||||
432 | /* On Windows* OS by default abort() causes pop-up error box, which stalls | |||||||
433 | nightly testing. Unfortunately, we cannot reliably suppress pop-up error | |||||||
434 | boxes. _set_abort_behavior() works well, but this function is not | |||||||
435 | available in VS7 (this is not problem for DLL, but it is a problem for | |||||||
436 | static OpenMP RTL). SetErrorMode (and so, timelimit utility) does not | |||||||
437 | help, at least in some versions of MS C RTL. | |||||||
438 | ||||||||
439 | It seems following sequence is the only way to simulate abort() and | |||||||
440 | avoid pop-up error box. */ | |||||||
441 | raise(SIGABRT6); | |||||||
442 | _exit(3); // Just in case, if signal ignored, exit anyway. | |||||||
443 | } else { | |||||||
444 | abort(); | |||||||
445 | } | |||||||
446 | ||||||||
447 | __kmp_infinite_loop(); | |||||||
448 | __kmp_release_bootstrap_lock(&__kmp_exit_lock); | |||||||
449 | ||||||||
450 | } // __kmp_abort_process | |||||||
451 | ||||||||
452 | void __kmp_abort_thread(void) { | |||||||
453 | // TODO: Eliminate g_abort global variable and this function. | |||||||
454 | // In case of abort just call abort(), it will kill all the threads. | |||||||
455 | __kmp_infinite_loop(); | |||||||
456 | } // __kmp_abort_thread | |||||||
457 | ||||||||
458 | /* Print out the storage map for the major kmp_info_t thread data structures | |||||||
459 | that are allocated together. */ | |||||||
460 | ||||||||
461 | static void __kmp_print_thread_storage_map(kmp_info_t *thr, int gtid) { | |||||||
462 | __kmp_print_storage_map_gtid(gtid, thr, thr + 1, sizeof(kmp_info_t), "th_%d", | |||||||
463 | gtid); | |||||||
464 | ||||||||
465 | __kmp_print_storage_map_gtid(gtid, &thr->th.th_info, &thr->th.th_team, | |||||||
466 | sizeof(kmp_desc_t), "th_%d.th_info", gtid); | |||||||
467 | ||||||||
468 | __kmp_print_storage_map_gtid(gtid, &thr->th.th_local, &thr->th.th_pri_head, | |||||||
469 | sizeof(kmp_local_t), "th_%d.th_local", gtid); | |||||||
470 | ||||||||
471 | __kmp_print_storage_map_gtid( | |||||||
472 | gtid, &thr->th.th_bar[0], &thr->th.th_bar[bs_last_barrier], | |||||||
473 | sizeof(kmp_balign_t) * bs_last_barrier, "th_%d.th_bar", gtid); | |||||||
474 | ||||||||
475 | __kmp_print_storage_map_gtid(gtid, &thr->th.th_bar[bs_plain_barrier], | |||||||
476 | &thr->th.th_bar[bs_plain_barrier + 1], | |||||||
477 | sizeof(kmp_balign_t), "th_%d.th_bar[plain]", | |||||||
478 | gtid); | |||||||
479 | ||||||||
480 | __kmp_print_storage_map_gtid(gtid, &thr->th.th_bar[bs_forkjoin_barrier], | |||||||
481 | &thr->th.th_bar[bs_forkjoin_barrier + 1], | |||||||
482 | sizeof(kmp_balign_t), "th_%d.th_bar[forkjoin]", | |||||||
483 | gtid); | |||||||
484 | ||||||||
485 | #if KMP_FAST_REDUCTION_BARRIER1 | |||||||
486 | __kmp_print_storage_map_gtid(gtid, &thr->th.th_bar[bs_reduction_barrier], | |||||||
487 | &thr->th.th_bar[bs_reduction_barrier + 1], | |||||||
488 | sizeof(kmp_balign_t), "th_%d.th_bar[reduction]", | |||||||
489 | gtid); | |||||||
490 | #endif // KMP_FAST_REDUCTION_BARRIER | |||||||
491 | } | |||||||
492 | ||||||||
493 | /* Print out the storage map for the major kmp_team_t team data structures | |||||||
494 | that are allocated together. */ | |||||||
495 | ||||||||
496 | static void __kmp_print_team_storage_map(const char *header, kmp_team_t *team, | |||||||
497 | int team_id, int num_thr) { | |||||||
498 | int num_disp_buff = team->t.t_max_nproc > 1 ? __kmp_dispatch_num_buffers : 2; | |||||||
499 | __kmp_print_storage_map_gtid(-1, team, team + 1, sizeof(kmp_team_t), "%s_%d", | |||||||
500 | header, team_id); | |||||||
501 | ||||||||
502 | __kmp_print_storage_map_gtid(-1, &team->t.t_bar[0], | |||||||
503 | &team->t.t_bar[bs_last_barrier], | |||||||
504 | sizeof(kmp_balign_team_t) * bs_last_barrier, | |||||||
505 | "%s_%d.t_bar", header, team_id); | |||||||
506 | ||||||||
507 | __kmp_print_storage_map_gtid(-1, &team->t.t_bar[bs_plain_barrier], | |||||||
508 | &team->t.t_bar[bs_plain_barrier + 1], | |||||||
509 | sizeof(kmp_balign_team_t), "%s_%d.t_bar[plain]", | |||||||
510 | header, team_id); | |||||||
511 | ||||||||
512 | __kmp_print_storage_map_gtid(-1, &team->t.t_bar[bs_forkjoin_barrier], | |||||||
513 | &team->t.t_bar[bs_forkjoin_barrier + 1], | |||||||
514 | sizeof(kmp_balign_team_t), | |||||||
515 | "%s_%d.t_bar[forkjoin]", header, team_id); | |||||||
516 | ||||||||
517 | #if KMP_FAST_REDUCTION_BARRIER1 | |||||||
518 | __kmp_print_storage_map_gtid(-1, &team->t.t_bar[bs_reduction_barrier], | |||||||
519 | &team->t.t_bar[bs_reduction_barrier + 1], | |||||||
520 | sizeof(kmp_balign_team_t), | |||||||
521 | "%s_%d.t_bar[reduction]", header, team_id); | |||||||
522 | #endif // KMP_FAST_REDUCTION_BARRIER | |||||||
523 | ||||||||
524 | __kmp_print_storage_map_gtid( | |||||||
525 | -1, &team->t.t_dispatch[0], &team->t.t_dispatch[num_thr], | |||||||
526 | sizeof(kmp_disp_t) * num_thr, "%s_%d.t_dispatch", header, team_id); | |||||||
527 | ||||||||
528 | __kmp_print_storage_map_gtid( | |||||||
529 | -1, &team->t.t_threads[0], &team->t.t_threads[num_thr], | |||||||
530 | sizeof(kmp_info_t *) * num_thr, "%s_%d.t_threads", header, team_id); | |||||||
531 | ||||||||
532 | __kmp_print_storage_map_gtid(-1, &team->t.t_disp_buffer[0], | |||||||
533 | &team->t.t_disp_buffer[num_disp_buff], | |||||||
534 | sizeof(dispatch_shared_info_t) * num_disp_buff, | |||||||
535 | "%s_%d.t_disp_buffer", header, team_id); | |||||||
536 | ||||||||
537 | __kmp_print_storage_map_gtid(-1, &team->t.t_taskq, &team->t.t_copypriv_data, | |||||||
538 | sizeof(kmp_taskq_t), "%s_%d.t_taskq", header, | |||||||
539 | team_id); | |||||||
540 | } | |||||||
541 | ||||||||
542 | static void __kmp_init_allocator() {} | |||||||
543 | static void __kmp_fini_allocator() {} | |||||||
544 | ||||||||
545 | /* ------------------------------------------------------------------------ */ | |||||||
546 | ||||||||
547 | #ifdef KMP_DYNAMIC_LIB1 | |||||||
548 | #if KMP_OS_WINDOWS0 | |||||||
549 | ||||||||
550 | static void __kmp_reset_lock(kmp_bootstrap_lock_t *lck) { | |||||||
551 | // TODO: Change to __kmp_break_bootstrap_lock(). | |||||||
552 | __kmp_init_bootstrap_lock(lck); // make the lock released | |||||||
553 | } | |||||||
554 | ||||||||
555 | static void __kmp_reset_locks_on_process_detach(int gtid_req) { | |||||||
556 | int i; | |||||||
557 | int thread_count; | |||||||
558 | ||||||||
559 | // PROCESS_DETACH is expected to be called by a thread that executes | |||||||
560 | // ProcessExit() or FreeLibrary(). OS terminates other threads (except the one | |||||||
561 | // calling ProcessExit or FreeLibrary). So, it might be safe to access the | |||||||
562 | // __kmp_threads[] without taking the forkjoin_lock. However, in fact, some | |||||||
563 | // threads can be still alive here, although being about to be terminated. The | |||||||
564 | // threads in the array with ds_thread==0 are most suspicious. Actually, it | |||||||
565 | // can be not safe to access the __kmp_threads[]. | |||||||
566 | ||||||||
567 | // TODO: does it make sense to check __kmp_roots[] ? | |||||||
568 | ||||||||
569 | // Let's check that there are no other alive threads registered with the OMP | |||||||
570 | // lib. | |||||||
571 | while (1) { | |||||||
572 | thread_count = 0; | |||||||
573 | for (i = 0; i < __kmp_threads_capacity; ++i) { | |||||||
574 | if (!__kmp_threads) | |||||||
575 | continue; | |||||||
576 | kmp_info_t *th = __kmp_threads[i]; | |||||||
577 | if (th == NULL__null) | |||||||
578 | continue; | |||||||
579 | int gtid = th->th.th_info.ds.ds_gtid; | |||||||
580 | if (gtid == gtid_req) | |||||||
581 | continue; | |||||||
582 | if (gtid < 0) | |||||||
583 | continue; | |||||||
584 | DWORD exit_val; | |||||||
585 | int alive = __kmp_is_thread_alive(th, &exit_val); | |||||||
586 | if (alive) { | |||||||
587 | ++thread_count; | |||||||
588 | } | |||||||
589 | } | |||||||
590 | if (thread_count == 0) | |||||||
591 | break; // success | |||||||
592 | } | |||||||
593 | ||||||||
594 | // Assume that I'm alone. Now it might be safe to check and reset locks. | |||||||
595 | // __kmp_forkjoin_lock and __kmp_stdio_lock are expected to be reset. | |||||||
596 | __kmp_reset_lock(&__kmp_forkjoin_lock); | |||||||
597 | #ifdef KMP_DEBUG1 | |||||||
598 | __kmp_reset_lock(&__kmp_stdio_lock); | |||||||
599 | #endif // KMP_DEBUG | |||||||
600 | } | |||||||
601 | ||||||||
602 | BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpReserved) { | |||||||
603 | //__kmp_acquire_bootstrap_lock( &__kmp_initz_lock ); | |||||||
604 | ||||||||
605 | switch (fdwReason) { | |||||||
606 | ||||||||
607 | case DLL_PROCESS_ATTACH: | |||||||
608 | KA_TRACE(10, ("DllMain: PROCESS_ATTACH\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("DllMain: PROCESS_ATTACH\n" ); }; | |||||||
609 | ||||||||
610 | return TRUE(!0); | |||||||
611 | ||||||||
612 | case DLL_PROCESS_DETACH: | |||||||
613 | KA_TRACE(10, ("DllMain: PROCESS_DETACH T#%d\n", __kmp_gtid_get_specific()))if (kmp_a_debug >= 10) { __kmp_debug_printf ("DllMain: PROCESS_DETACH T#%d\n" , __kmp_gtid_get_specific()); }; | |||||||
614 | ||||||||
615 | if (lpReserved != NULL__null) { | |||||||
616 | // lpReserved is used for telling the difference: | |||||||
617 | // lpReserved == NULL when FreeLibrary() was called, | |||||||
618 | // lpReserved != NULL when the process terminates. | |||||||
619 | // When FreeLibrary() is called, worker threads remain alive. So they will | |||||||
620 | // release the forkjoin lock by themselves. When the process terminates, | |||||||
621 | // worker threads disappear triggering the problem of unreleased forkjoin | |||||||
622 | // lock as described below. | |||||||
623 | ||||||||
624 | // A worker thread can take the forkjoin lock. The problem comes up if | |||||||
625 | // that worker thread becomes dead before it releases the forkjoin lock. | |||||||
626 | // The forkjoin lock remains taken, while the thread executing | |||||||
627 | // DllMain()->PROCESS_DETACH->__kmp_internal_end_library() below will try | |||||||
628 | // to take the forkjoin lock and will always fail, so that the application | |||||||
629 | // will never finish [normally]. This scenario is possible if | |||||||
630 | // __kmpc_end() has not been executed. It looks like it's not a corner | |||||||
631 | // case, but common cases: | |||||||
632 | // - the main function was compiled by an alternative compiler; | |||||||
633 | // - the main function was compiled by icl but without /Qopenmp | |||||||
634 | // (application with plugins); | |||||||
635 | // - application terminates by calling C exit(), Fortran CALL EXIT() or | |||||||
636 | // Fortran STOP. | |||||||
637 | // - alive foreign thread prevented __kmpc_end from doing cleanup. | |||||||
638 | // | |||||||
639 | // This is a hack to work around the problem. | |||||||
640 | // TODO: !!! figure out something better. | |||||||
641 | __kmp_reset_locks_on_process_detach(__kmp_gtid_get_specific()); | |||||||
642 | } | |||||||
643 | ||||||||
644 | __kmp_internal_end_library(__kmp_gtid_get_specific()); | |||||||
645 | ||||||||
646 | return TRUE(!0); | |||||||
647 | ||||||||
648 | case DLL_THREAD_ATTACH: | |||||||
649 | KA_TRACE(10, ("DllMain: THREAD_ATTACH\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("DllMain: THREAD_ATTACH\n" ); }; | |||||||
650 | ||||||||
651 | /* if we want to register new siblings all the time here call | |||||||
652 | * __kmp_get_gtid(); */ | |||||||
653 | return TRUE(!0); | |||||||
654 | ||||||||
655 | case DLL_THREAD_DETACH: | |||||||
656 | KA_TRACE(10, ("DllMain: THREAD_DETACH T#%d\n", __kmp_gtid_get_specific()))if (kmp_a_debug >= 10) { __kmp_debug_printf ("DllMain: THREAD_DETACH T#%d\n" , __kmp_gtid_get_specific()); }; | |||||||
657 | ||||||||
658 | __kmp_internal_end_thread(__kmp_gtid_get_specific()); | |||||||
659 | return TRUE(!0); | |||||||
660 | } | |||||||
661 | ||||||||
662 | return TRUE(!0); | |||||||
663 | } | |||||||
664 | ||||||||
665 | #endif /* KMP_OS_WINDOWS */ | |||||||
666 | #endif /* KMP_DYNAMIC_LIB */ | |||||||
667 | ||||||||
668 | /* Change the library type to "status" and return the old type */ | |||||||
669 | /* called from within initialization routines where __kmp_initz_lock is held */ | |||||||
670 | int __kmp_change_library(int status) { | |||||||
671 | int old_status; | |||||||
672 | ||||||||
673 | old_status = __kmp_yield_init & | |||||||
674 | 1; // check whether KMP_LIBRARY=throughput (even init count) | |||||||
675 | ||||||||
676 | if (status) { | |||||||
677 | __kmp_yield_init |= 1; // throughput => turnaround (odd init count) | |||||||
678 | } else { | |||||||
679 | __kmp_yield_init &= ~1; // turnaround => throughput (even init count) | |||||||
680 | } | |||||||
681 | ||||||||
682 | return old_status; // return previous setting of whether | |||||||
683 | // KMP_LIBRARY=throughput | |||||||
684 | } | |||||||
685 | ||||||||
686 | /* __kmp_parallel_deo -- Wait until it's our turn. */ | |||||||
687 | void __kmp_parallel_deo(int *gtid_ref, int *cid_ref, ident_t *loc_ref) { | |||||||
688 | int gtid = *gtid_ref; | |||||||
689 | #ifdef BUILD_PARALLEL_ORDERED1 | |||||||
690 | kmp_team_t *team = __kmp_team_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 690)), __kmp_threads[(gtid)]->th.th_team); | |||||||
691 | #endif /* BUILD_PARALLEL_ORDERED */ | |||||||
692 | ||||||||
693 | if (__kmp_env_consistency_check) { | |||||||
694 | if (__kmp_threads[gtid]->th.th_root->r.r_active) | |||||||
695 | #if KMP_USE_DYNAMIC_LOCK1 | |||||||
696 | __kmp_push_sync(gtid, ct_ordered_in_parallel, loc_ref, NULL__null, 0); | |||||||
697 | #else | |||||||
698 | __kmp_push_sync(gtid, ct_ordered_in_parallel, loc_ref, NULL__null); | |||||||
699 | #endif | |||||||
700 | } | |||||||
701 | #ifdef BUILD_PARALLEL_ORDERED1 | |||||||
702 | if (!team->t.t_serialized) { | |||||||
703 | KMP_MB(); | |||||||
704 | KMP_WAIT_YIELD__kmp_wait_yield_4(&team->t.t_ordered.dt.t_value, __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 704)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid), | |||||||
705 | KMP_EQ__kmp_eq_4, NULL__null); | |||||||
706 | KMP_MB(); | |||||||
707 | } | |||||||
708 | #endif /* BUILD_PARALLEL_ORDERED */ | |||||||
709 | } | |||||||
710 | ||||||||
711 | /* __kmp_parallel_dxo -- Signal the next task. */ | |||||||
712 | void __kmp_parallel_dxo(int *gtid_ref, int *cid_ref, ident_t *loc_ref) { | |||||||
713 | int gtid = *gtid_ref; | |||||||
714 | #ifdef BUILD_PARALLEL_ORDERED1 | |||||||
715 | int tid = __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 715)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid); | |||||||
716 | kmp_team_t *team = __kmp_team_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 716)), __kmp_threads[(gtid)]->th.th_team); | |||||||
717 | #endif /* BUILD_PARALLEL_ORDERED */ | |||||||
718 | ||||||||
719 | if (__kmp_env_consistency_check) { | |||||||
720 | if (__kmp_threads[gtid]->th.th_root->r.r_active) | |||||||
721 | __kmp_pop_sync(gtid, ct_ordered_in_parallel, loc_ref); | |||||||
722 | } | |||||||
723 | #ifdef BUILD_PARALLEL_ORDERED1 | |||||||
724 | if (!team->t.t_serialized) { | |||||||
725 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
726 | ||||||||
727 | /* use the tid of the next thread in this team */ | |||||||
728 | /* TODO replace with general release procedure */ | |||||||
729 | team->t.t_ordered.dt.t_value = ((tid + 1) % team->t.t_nproc); | |||||||
730 | ||||||||
731 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
732 | } | |||||||
733 | #endif /* BUILD_PARALLEL_ORDERED */ | |||||||
734 | } | |||||||
735 | ||||||||
736 | /* ------------------------------------------------------------------------ */ | |||||||
737 | /* The BARRIER for a SINGLE process section is always explicit */ | |||||||
738 | ||||||||
739 | int __kmp_enter_single(int gtid, ident_t *id_ref, int push_ws) { | |||||||
740 | int status; | |||||||
741 | kmp_info_t *th; | |||||||
742 | kmp_team_t *team; | |||||||
743 | ||||||||
744 | if (!TCR_4(__kmp_init_parallel)(__kmp_init_parallel)) | |||||||
745 | __kmp_parallel_initialize(); | |||||||
746 | ||||||||
747 | th = __kmp_threads[gtid]; | |||||||
748 | team = th->th.th_team; | |||||||
749 | status = 0; | |||||||
750 | ||||||||
751 | th->th.th_ident = id_ref; | |||||||
752 | ||||||||
753 | if (team->t.t_serialized) { | |||||||
754 | status = 1; | |||||||
755 | } else { | |||||||
756 | kmp_int32 old_this = th->th.th_local.this_construct; | |||||||
757 | ||||||||
758 | ++th->th.th_local.this_construct; | |||||||
759 | /* try to set team count to thread count--success means thread got the | |||||||
760 | single block */ | |||||||
761 | /* TODO: Should this be acquire or release? */ | |||||||
762 | if (team->t.t_construct == old_this) { | |||||||
763 | status = __kmp_atomic_compare_store_acq(&team->t.t_construct, old_this, | |||||||
764 | th->th.th_local.this_construct); | |||||||
765 | } | |||||||
766 | #if USE_ITT_BUILD1 | |||||||
767 | if (__itt_metadata_add_ptr__kmp_itt_metadata_add_ptr__3_0 && __kmp_forkjoin_frames_mode == 3 && | |||||||
768 | KMP_MASTER_GTID(gtid)((((((gtid)) >= 0) ? 0 : __kmp_debug_assert("((gtid)) >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 768)), __kmp_threads[((gtid))]->th.th_info.ds.ds_tid) == 0) && | |||||||
769 | #if OMP_40_ENABLED(50 >= 40) | |||||||
770 | th->th.th_teams_microtask == NULL__null && | |||||||
771 | #endif | |||||||
772 | team->t.t_active_level == | |||||||
773 | 1) { // Only report metadata by master of active team at level 1 | |||||||
774 | __kmp_itt_metadata_single(id_ref); | |||||||
775 | } | |||||||
776 | #endif /* USE_ITT_BUILD */ | |||||||
777 | } | |||||||
778 | ||||||||
779 | if (__kmp_env_consistency_check) { | |||||||
780 | if (status && push_ws) { | |||||||
781 | __kmp_push_workshare(gtid, ct_psingle, id_ref); | |||||||
782 | } else { | |||||||
783 | __kmp_check_workshare(gtid, ct_psingle, id_ref); | |||||||
784 | } | |||||||
785 | } | |||||||
786 | #if USE_ITT_BUILD1 | |||||||
787 | if (status) { | |||||||
788 | __kmp_itt_single_start(gtid); | |||||||
789 | } | |||||||
790 | #endif /* USE_ITT_BUILD */ | |||||||
791 | return status; | |||||||
792 | } | |||||||
793 | ||||||||
794 | void __kmp_exit_single(int gtid) { | |||||||
795 | #if USE_ITT_BUILD1 | |||||||
796 | __kmp_itt_single_end(gtid); | |||||||
797 | #endif /* USE_ITT_BUILD */ | |||||||
798 | if (__kmp_env_consistency_check) | |||||||
799 | __kmp_pop_workshare(gtid, ct_psingle, NULL__null); | |||||||
800 | } | |||||||
801 | ||||||||
802 | /* determine if we can go parallel or must use a serialized parallel region and | |||||||
803 | * how many threads we can use | |||||||
804 | * set_nproc is the number of threads requested for the team | |||||||
805 | * returns 0 if we should serialize or only use one thread, | |||||||
806 | * otherwise the number of threads to use | |||||||
807 | * The forkjoin lock is held by the caller. */ | |||||||
808 | static int __kmp_reserve_threads(kmp_root_t *root, kmp_team_t *parent_team, | |||||||
809 | int master_tid, int set_nthreads | |||||||
810 | #if OMP_40_ENABLED(50 >= 40) | |||||||
811 | , | |||||||
812 | int enter_teams | |||||||
813 | #endif /* OMP_40_ENABLED */ | |||||||
814 | ) { | |||||||
815 | int capacity; | |||||||
816 | int new_nthreads; | |||||||
817 | KMP_DEBUG_ASSERT(__kmp_init_serial)((__kmp_init_serial) ? 0 : __kmp_debug_assert("__kmp_init_serial" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 817)); | |||||||
818 | KMP_DEBUG_ASSERT(root && parent_team)((root && parent_team) ? 0 : __kmp_debug_assert("root && parent_team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 818)); | |||||||
819 | ||||||||
820 | // If dyn-var is set, dynamically adjust the number of desired threads, | |||||||
821 | // according to the method specified by dynamic_mode. | |||||||
822 | new_nthreads = set_nthreads; | |||||||
823 | if (!get__dynamic_2(parent_team, master_tid)((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.dynamic)) { | |||||||
824 | ; | |||||||
825 | } | |||||||
826 | #ifdef USE_LOAD_BALANCE1 | |||||||
827 | else if (__kmp_global.g.g_dynamic_mode == dynamic_load_balance) { | |||||||
828 | new_nthreads = __kmp_load_balance_nproc(root, set_nthreads); | |||||||
829 | if (new_nthreads == 1) { | |||||||
830 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d load balance reduced "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d load balance reduced " "reservation to 1 thread\n", master_tid); } | |||||||
831 | "reservation to 1 thread\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d load balance reduced " "reservation to 1 thread\n", master_tid); } | |||||||
832 | master_tid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d load balance reduced " "reservation to 1 thread\n", master_tid); }; | |||||||
833 | return 1; | |||||||
834 | } | |||||||
835 | if (new_nthreads < set_nthreads) { | |||||||
836 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d load balance reduced "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d load balance reduced " "reservation to %d threads\n", master_tid, new_nthreads); } | |||||||
837 | "reservation to %d threads\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d load balance reduced " "reservation to %d threads\n", master_tid, new_nthreads); } | |||||||
838 | master_tid, new_nthreads))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d load balance reduced " "reservation to %d threads\n", master_tid, new_nthreads); }; | |||||||
839 | } | |||||||
840 | } | |||||||
841 | #endif /* USE_LOAD_BALANCE */ | |||||||
842 | else if (__kmp_global.g.g_dynamic_mode == dynamic_thread_limit) { | |||||||
843 | new_nthreads = __kmp_avail_proc - __kmp_nth + | |||||||
844 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc); | |||||||
845 | if (new_nthreads <= 1) { | |||||||
846 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d thread limit reduced "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d thread limit reduced " "reservation to 1 thread\n", master_tid); } | |||||||
847 | "reservation to 1 thread\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d thread limit reduced " "reservation to 1 thread\n", master_tid); } | |||||||
848 | master_tid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d thread limit reduced " "reservation to 1 thread\n", master_tid); }; | |||||||
849 | return 1; | |||||||
850 | } | |||||||
851 | if (new_nthreads < set_nthreads) { | |||||||
852 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d thread limit reduced "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d thread limit reduced " "reservation to %d threads\n", master_tid, new_nthreads); } | |||||||
853 | "reservation to %d threads\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d thread limit reduced " "reservation to %d threads\n", master_tid, new_nthreads); } | |||||||
854 | master_tid, new_nthreads))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d thread limit reduced " "reservation to %d threads\n", master_tid, new_nthreads); }; | |||||||
855 | } else { | |||||||
856 | new_nthreads = set_nthreads; | |||||||
857 | } | |||||||
858 | } else if (__kmp_global.g.g_dynamic_mode == dynamic_random) { | |||||||
859 | if (set_nthreads > 2) { | |||||||
860 | new_nthreads = __kmp_get_random(parent_team->t.t_threads[master_tid]); | |||||||
861 | new_nthreads = (new_nthreads % set_nthreads) + 1; | |||||||
862 | if (new_nthreads == 1) { | |||||||
863 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d dynamic random reduced "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d dynamic random reduced " "reservation to 1 thread\n", master_tid); } | |||||||
864 | "reservation to 1 thread\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d dynamic random reduced " "reservation to 1 thread\n", master_tid); } | |||||||
865 | master_tid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d dynamic random reduced " "reservation to 1 thread\n", master_tid); }; | |||||||
866 | return 1; | |||||||
867 | } | |||||||
868 | if (new_nthreads < set_nthreads) { | |||||||
869 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d dynamic random reduced "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d dynamic random reduced " "reservation to %d threads\n", master_tid, new_nthreads); } | |||||||
870 | "reservation to %d threads\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d dynamic random reduced " "reservation to %d threads\n", master_tid, new_nthreads); } | |||||||
871 | master_tid, new_nthreads))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d dynamic random reduced " "reservation to %d threads\n", master_tid, new_nthreads); }; | |||||||
872 | } | |||||||
873 | } | |||||||
874 | } else { | |||||||
875 | KMP_ASSERT(0)((0) ? 0 : __kmp_debug_assert("0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 875)); | |||||||
876 | } | |||||||
877 | ||||||||
878 | // Respect KMP_ALL_THREADS/KMP_DEVICE_THREAD_LIMIT. | |||||||
879 | if (__kmp_nth + new_nthreads - | |||||||
880 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc) > | |||||||
881 | __kmp_max_nth) { | |||||||
882 | int tl_nthreads = __kmp_max_nth - __kmp_nth + | |||||||
883 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc); | |||||||
884 | if (tl_nthreads <= 0) { | |||||||
885 | tl_nthreads = 1; | |||||||
886 | } | |||||||
887 | ||||||||
888 | // If dyn-var is false, emit a 1-time warning. | |||||||
889 | if (!get__dynamic_2(parent_team, master_tid)((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.dynamic) && (!__kmp_reserve_warn)) { | |||||||
890 | __kmp_reserve_warn = 1; | |||||||
891 | __kmp_msg(kmp_ms_warning, | |||||||
892 | KMP_MSG(CantFormThrTeam, set_nthreads, tl_nthreads)__kmp_msg_format(kmp_i18n_msg_CantFormThrTeam, set_nthreads, tl_nthreads ), | |||||||
893 | KMP_HNT(Unset_ALL_THREADS)__kmp_msg_format(kmp_i18n_hnt_Unset_ALL_THREADS), __kmp_msg_null); | |||||||
894 | } | |||||||
895 | if (tl_nthreads == 1) { | |||||||
896 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d KMP_DEVICE_THREAD_LIMIT "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d KMP_DEVICE_THREAD_LIMIT " "reduced reservation to 1 thread\n", master_tid); } | |||||||
897 | "reduced reservation to 1 thread\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d KMP_DEVICE_THREAD_LIMIT " "reduced reservation to 1 thread\n", master_tid); } | |||||||
898 | master_tid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d KMP_DEVICE_THREAD_LIMIT " "reduced reservation to 1 thread\n", master_tid); }; | |||||||
899 | return 1; | |||||||
900 | } | |||||||
901 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d KMP_DEVICE_THREAD_LIMIT reduced "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d KMP_DEVICE_THREAD_LIMIT reduced " "reservation to %d threads\n", master_tid, tl_nthreads); } | |||||||
902 | "reservation to %d threads\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d KMP_DEVICE_THREAD_LIMIT reduced " "reservation to %d threads\n", master_tid, tl_nthreads); } | |||||||
903 | master_tid, tl_nthreads))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d KMP_DEVICE_THREAD_LIMIT reduced " "reservation to %d threads\n", master_tid, tl_nthreads); }; | |||||||
904 | new_nthreads = tl_nthreads; | |||||||
905 | } | |||||||
906 | ||||||||
907 | // Respect OMP_THREAD_LIMIT | |||||||
908 | if (root->r.r_cg_nthreads + new_nthreads - | |||||||
909 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc) > | |||||||
910 | __kmp_cg_max_nth) { | |||||||
911 | int tl_nthreads = __kmp_cg_max_nth - root->r.r_cg_nthreads + | |||||||
912 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc); | |||||||
913 | if (tl_nthreads <= 0) { | |||||||
914 | tl_nthreads = 1; | |||||||
915 | } | |||||||
916 | ||||||||
917 | // If dyn-var is false, emit a 1-time warning. | |||||||
918 | if (!get__dynamic_2(parent_team, master_tid)((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.dynamic) && (!__kmp_reserve_warn)) { | |||||||
919 | __kmp_reserve_warn = 1; | |||||||
920 | __kmp_msg(kmp_ms_warning, | |||||||
921 | KMP_MSG(CantFormThrTeam, set_nthreads, tl_nthreads)__kmp_msg_format(kmp_i18n_msg_CantFormThrTeam, set_nthreads, tl_nthreads ), | |||||||
922 | KMP_HNT(Unset_ALL_THREADS)__kmp_msg_format(kmp_i18n_hnt_Unset_ALL_THREADS), __kmp_msg_null); | |||||||
923 | } | |||||||
924 | if (tl_nthreads == 1) { | |||||||
925 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d OMP_THREAD_LIMIT "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d OMP_THREAD_LIMIT " "reduced reservation to 1 thread\n", master_tid); } | |||||||
926 | "reduced reservation to 1 thread\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d OMP_THREAD_LIMIT " "reduced reservation to 1 thread\n", master_tid); } | |||||||
927 | master_tid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d OMP_THREAD_LIMIT " "reduced reservation to 1 thread\n", master_tid); }; | |||||||
928 | return 1; | |||||||
929 | } | |||||||
930 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d OMP_THREAD_LIMIT reduced "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d OMP_THREAD_LIMIT reduced " "reservation to %d threads\n", master_tid, tl_nthreads); } | |||||||
931 | "reservation to %d threads\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d OMP_THREAD_LIMIT reduced " "reservation to %d threads\n", master_tid, tl_nthreads); } | |||||||
932 | master_tid, tl_nthreads))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d OMP_THREAD_LIMIT reduced " "reservation to %d threads\n", master_tid, tl_nthreads); }; | |||||||
933 | new_nthreads = tl_nthreads; | |||||||
934 | } | |||||||
935 | ||||||||
936 | // Check if the threads array is large enough, or needs expanding. | |||||||
937 | // See comment in __kmp_register_root() about the adjustment if | |||||||
938 | // __kmp_threads[0] == NULL. | |||||||
939 | capacity = __kmp_threads_capacity; | |||||||
940 | if (TCR_PTR(__kmp_threads[0])((void *)(__kmp_threads[0])) == NULL__null) { | |||||||
941 | --capacity; | |||||||
942 | } | |||||||
943 | if (__kmp_nth + new_nthreads - | |||||||
944 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc) > | |||||||
945 | capacity) { | |||||||
946 | // Expand the threads array. | |||||||
947 | int slotsRequired = __kmp_nth + new_nthreads - | |||||||
948 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc) - | |||||||
949 | capacity; | |||||||
950 | int slotsAdded = __kmp_expand_threads(slotsRequired); | |||||||
951 | if (slotsAdded < slotsRequired) { | |||||||
952 | // The threads array was not expanded enough. | |||||||
953 | new_nthreads -= (slotsRequired - slotsAdded); | |||||||
954 | KMP_ASSERT(new_nthreads >= 1)((new_nthreads >= 1) ? 0 : __kmp_debug_assert("new_nthreads >= 1" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 954)); | |||||||
955 | ||||||||
956 | // If dyn-var is false, emit a 1-time warning. | |||||||
957 | if (!get__dynamic_2(parent_team, master_tid)((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.dynamic) && (!__kmp_reserve_warn)) { | |||||||
958 | __kmp_reserve_warn = 1; | |||||||
959 | if (__kmp_tp_cached) { | |||||||
960 | __kmp_msg(kmp_ms_warning, | |||||||
961 | KMP_MSG(CantFormThrTeam, set_nthreads, new_nthreads)__kmp_msg_format(kmp_i18n_msg_CantFormThrTeam, set_nthreads, new_nthreads ), | |||||||
962 | KMP_HNT(Set_ALL_THREADPRIVATE, __kmp_tp_capacity)__kmp_msg_format(kmp_i18n_hnt_Set_ALL_THREADPRIVATE, __kmp_tp_capacity ), | |||||||
963 | KMP_HNT(PossibleSystemLimitOnThreads)__kmp_msg_format(kmp_i18n_hnt_PossibleSystemLimitOnThreads), __kmp_msg_null); | |||||||
964 | } else { | |||||||
965 | __kmp_msg(kmp_ms_warning, | |||||||
966 | KMP_MSG(CantFormThrTeam, set_nthreads, new_nthreads)__kmp_msg_format(kmp_i18n_msg_CantFormThrTeam, set_nthreads, new_nthreads ), | |||||||
967 | KMP_HNT(SystemLimitOnThreads)__kmp_msg_format(kmp_i18n_hnt_SystemLimitOnThreads), __kmp_msg_null); | |||||||
968 | } | |||||||
969 | } | |||||||
970 | } | |||||||
971 | } | |||||||
972 | ||||||||
973 | #ifdef KMP_DEBUG1 | |||||||
974 | if (new_nthreads == 1) { | |||||||
975 | KC_TRACE(10,if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d serializing team after reclaiming " "dead roots and rechecking; requested %d threads\n", __kmp_get_global_thread_id (), set_nthreads); } | |||||||
976 | ("__kmp_reserve_threads: T#%d serializing team after reclaiming "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d serializing team after reclaiming " "dead roots and rechecking; requested %d threads\n", __kmp_get_global_thread_id (), set_nthreads); } | |||||||
977 | "dead roots and rechecking; requested %d threads\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d serializing team after reclaiming " "dead roots and rechecking; requested %d threads\n", __kmp_get_global_thread_id (), set_nthreads); } | |||||||
978 | __kmp_get_gtid(), set_nthreads))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d serializing team after reclaiming " "dead roots and rechecking; requested %d threads\n", __kmp_get_global_thread_id (), set_nthreads); }; | |||||||
979 | } else { | |||||||
980 | KC_TRACE(10, ("__kmp_reserve_threads: T#%d allocating %d threads; requested"if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d allocating %d threads; requested" " %d threads\n", __kmp_get_global_thread_id(), new_nthreads, set_nthreads); } | |||||||
981 | " %d threads\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d allocating %d threads; requested" " %d threads\n", __kmp_get_global_thread_id(), new_nthreads, set_nthreads); } | |||||||
982 | __kmp_get_gtid(), new_nthreads, set_nthreads))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_reserve_threads: T#%d allocating %d threads; requested" " %d threads\n", __kmp_get_global_thread_id(), new_nthreads, set_nthreads); }; | |||||||
983 | } | |||||||
984 | #endif // KMP_DEBUG | |||||||
985 | return new_nthreads; | |||||||
986 | } | |||||||
987 | ||||||||
988 | /* Allocate threads from the thread pool and assign them to the new team. We are | |||||||
989 | assured that there are enough threads available, because we checked on that | |||||||
990 | earlier within critical section forkjoin */ | |||||||
991 | static void __kmp_fork_team_threads(kmp_root_t *root, kmp_team_t *team, | |||||||
992 | kmp_info_t *master_th, int master_gtid) { | |||||||
993 | int i; | |||||||
994 | int use_hot_team; | |||||||
995 | ||||||||
996 | KA_TRACE(10, ("__kmp_fork_team_threads: new_nprocs = %d\n", team->t.t_nproc))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_fork_team_threads: new_nprocs = %d\n" , team->t.t_nproc); }; | |||||||
997 | KMP_DEBUG_ASSERT(master_gtid == __kmp_get_gtid())((master_gtid == __kmp_get_global_thread_id()) ? 0 : __kmp_debug_assert ("master_gtid == __kmp_get_global_thread_id()", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 997)); | |||||||
998 | KMP_MB(); | |||||||
999 | ||||||||
1000 | /* first, let's setup the master thread */ | |||||||
1001 | master_th->th.th_info.ds.ds_tid = 0; | |||||||
1002 | master_th->th.th_team = team; | |||||||
1003 | master_th->th.th_team_nproc = team->t.t_nproc; | |||||||
1004 | master_th->th.th_team_master = master_th; | |||||||
1005 | master_th->th.th_team_serialized = FALSE0; | |||||||
1006 | master_th->th.th_dispatch = &team->t.t_dispatch[0]; | |||||||
1007 | ||||||||
1008 | /* make sure we are not the optimized hot team */ | |||||||
1009 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
1010 | use_hot_team = 0; | |||||||
1011 | kmp_hot_team_ptr_t *hot_teams = master_th->th.th_hot_teams; | |||||||
1012 | if (hot_teams) { // hot teams array is not allocated if | |||||||
1013 | // KMP_HOT_TEAMS_MAX_LEVEL=0 | |||||||
1014 | int level = team->t.t_active_level - 1; // index in array of hot teams | |||||||
1015 | if (master_th->th.th_teams_microtask) { // are we inside the teams? | |||||||
1016 | if (master_th->th.th_teams_size.nteams > 1) { | |||||||
1017 | ++level; // level was not increased in teams construct for | |||||||
1018 | // team_of_masters | |||||||
1019 | } | |||||||
1020 | if (team->t.t_pkfn != (microtask_t)__kmp_teams_master && | |||||||
1021 | master_th->th.th_teams_level == team->t.t_level) { | |||||||
1022 | ++level; // level was not increased in teams construct for | |||||||
1023 | // team_of_workers before the parallel | |||||||
1024 | } // team->t.t_level will be increased inside parallel | |||||||
1025 | } | |||||||
1026 | if (level < __kmp_hot_teams_max_level) { | |||||||
1027 | if (hot_teams[level].hot_team) { | |||||||
1028 | // hot team has already been allocated for given level | |||||||
1029 | KMP_DEBUG_ASSERT(hot_teams[level].hot_team == team)((hot_teams[level].hot_team == team) ? 0 : __kmp_debug_assert ("hot_teams[level].hot_team == team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1029)); | |||||||
1030 | use_hot_team = 1; // the team is ready to use | |||||||
1031 | } else { | |||||||
1032 | use_hot_team = 0; // AC: threads are not allocated yet | |||||||
1033 | hot_teams[level].hot_team = team; // remember new hot team | |||||||
1034 | hot_teams[level].hot_team_nth = team->t.t_nproc; | |||||||
1035 | } | |||||||
1036 | } else { | |||||||
1037 | use_hot_team = 0; | |||||||
1038 | } | |||||||
1039 | } | |||||||
1040 | #else | |||||||
1041 | use_hot_team = team == root->r.r_hot_team; | |||||||
1042 | #endif | |||||||
1043 | if (!use_hot_team) { | |||||||
1044 | ||||||||
1045 | /* install the master thread */ | |||||||
1046 | team->t.t_threads[0] = master_th; | |||||||
1047 | __kmp_initialize_info(master_th, team, 0, master_gtid); | |||||||
1048 | ||||||||
1049 | /* now, install the worker threads */ | |||||||
1050 | for (i = 1; i < team->t.t_nproc; i++) { | |||||||
1051 | ||||||||
1052 | /* fork or reallocate a new thread and install it in team */ | |||||||
1053 | kmp_info_t *thr = __kmp_allocate_thread(root, team, i); | |||||||
1054 | team->t.t_threads[i] = thr; | |||||||
1055 | KMP_DEBUG_ASSERT(thr)((thr) ? 0 : __kmp_debug_assert("thr", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1055)); | |||||||
1056 | KMP_DEBUG_ASSERT(thr->th.th_team == team)((thr->th.th_team == team) ? 0 : __kmp_debug_assert("thr->th.th_team == team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1056)); | |||||||
1057 | /* align team and thread arrived states */ | |||||||
1058 | KA_TRACE(20, ("__kmp_fork_team_threads: T#%d(%d:%d) init arrived "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_team_threads: T#%d(%d:%d) init arrived " "T#%d(%d:%d) join =%llu, plain=%llu\n", ((((0) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1060)), team->t.t_threads[(0)]->th.th_info.ds.ds_gtid ), team->t.t_id, 0, ((((i) >= 0 && (team) != __null ) ? 0 : __kmp_debug_assert("(i) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1061)), team->t.t_threads[(i)]->th.th_info.ds.ds_gtid ), team->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); } | |||||||
1059 | "T#%d(%d:%d) join =%llu, plain=%llu\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_team_threads: T#%d(%d:%d) init arrived " "T#%d(%d:%d) join =%llu, plain=%llu\n", ((((0) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1060)), team->t.t_threads[(0)]->th.th_info.ds.ds_gtid ), team->t.t_id, 0, ((((i) >= 0 && (team) != __null ) ? 0 : __kmp_debug_assert("(i) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1061)), team->t.t_threads[(i)]->th.th_info.ds.ds_gtid ), team->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); } | |||||||
1060 | __kmp_gtid_from_tid(0, team), team->t.t_id, 0,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_team_threads: T#%d(%d:%d) init arrived " "T#%d(%d:%d) join =%llu, plain=%llu\n", ((((0) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1060)), team->t.t_threads[(0)]->th.th_info.ds.ds_gtid ), team->t.t_id, 0, ((((i) >= 0 && (team) != __null ) ? 0 : __kmp_debug_assert("(i) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1061)), team->t.t_threads[(i)]->th.th_info.ds.ds_gtid ), team->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); } | |||||||
1061 | __kmp_gtid_from_tid(i, team), team->t.t_id, i,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_team_threads: T#%d(%d:%d) init arrived " "T#%d(%d:%d) join =%llu, plain=%llu\n", ((((0) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1060)), team->t.t_threads[(0)]->th.th_info.ds.ds_gtid ), team->t.t_id, 0, ((((i) >= 0 && (team) != __null ) ? 0 : __kmp_debug_assert("(i) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1061)), team->t.t_threads[(i)]->th.th_info.ds.ds_gtid ), team->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); } | |||||||
1062 | team->t.t_bar[bs_forkjoin_barrier].b_arrived,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_team_threads: T#%d(%d:%d) init arrived " "T#%d(%d:%d) join =%llu, plain=%llu\n", ((((0) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1060)), team->t.t_threads[(0)]->th.th_info.ds.ds_gtid ), team->t.t_id, 0, ((((i) >= 0 && (team) != __null ) ? 0 : __kmp_debug_assert("(i) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1061)), team->t.t_threads[(i)]->th.th_info.ds.ds_gtid ), team->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); } | |||||||
1063 | team->t.t_bar[bs_plain_barrier].b_arrived))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_team_threads: T#%d(%d:%d) init arrived " "T#%d(%d:%d) join =%llu, plain=%llu\n", ((((0) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1060)), team->t.t_threads[(0)]->th.th_info.ds.ds_gtid ), team->t.t_id, 0, ((((i) >= 0 && (team) != __null ) ? 0 : __kmp_debug_assert("(i) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1061)), team->t.t_threads[(i)]->th.th_info.ds.ds_gtid ), team->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); }; | |||||||
1064 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1065 | thr->th.th_teams_microtask = master_th->th.th_teams_microtask; | |||||||
1066 | thr->th.th_teams_level = master_th->th.th_teams_level; | |||||||
1067 | thr->th.th_teams_size = master_th->th.th_teams_size; | |||||||
1068 | #endif | |||||||
1069 | { // Initialize threads' barrier data. | |||||||
1070 | int b; | |||||||
1071 | kmp_balign_t *balign = team->t.t_threads[i]->th.th_bar; | |||||||
1072 | for (b = 0; b < bs_last_barrier; ++b) { | |||||||
1073 | balign[b].bb.b_arrived = team->t.t_bar[b].b_arrived; | |||||||
1074 | KMP_DEBUG_ASSERT(balign[b].bb.wait_flag != KMP_BARRIER_PARENT_FLAG)((balign[b].bb.wait_flag != 2) ? 0 : __kmp_debug_assert("balign[b].bb.wait_flag != 2" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1074)); | |||||||
1075 | #if USE_DEBUGGER0 | |||||||
1076 | balign[b].bb.b_worker_arrived = team->t.t_bar[b].b_team_arrived; | |||||||
1077 | #endif | |||||||
1078 | } | |||||||
1079 | } | |||||||
1080 | } | |||||||
1081 | ||||||||
1082 | #if OMP_40_ENABLED(50 >= 40) && KMP_AFFINITY_SUPPORTED1 | |||||||
1083 | __kmp_partition_places(team); | |||||||
1084 | #endif | |||||||
1085 | } | |||||||
1086 | ||||||||
1087 | KMP_MB(); | |||||||
1088 | } | |||||||
1089 | ||||||||
1090 | #if KMP_ARCH_X860 || KMP_ARCH_X86_641 | |||||||
1091 | // Propagate any changes to the floating point control registers out to the team | |||||||
1092 | // We try to avoid unnecessary writes to the relevant cache line in the team | |||||||
1093 | // structure, so we don't make changes unless they are needed. | |||||||
1094 | inline static void propagateFPControl(kmp_team_t *team) { | |||||||
1095 | if (__kmp_inherit_fp_control) { | |||||||
1096 | kmp_int16 x87_fpu_control_word; | |||||||
1097 | kmp_uint32 mxcsr; | |||||||
1098 | ||||||||
1099 | // Get master values of FPU control flags (both X87 and vector) | |||||||
1100 | __kmp_store_x87_fpu_control_word(&x87_fpu_control_word); | |||||||
1101 | __kmp_store_mxcsr(&mxcsr); | |||||||
1102 | mxcsr &= KMP_X86_MXCSR_MASK0xffffffc0; | |||||||
1103 | ||||||||
1104 | // There is no point looking at t_fp_control_saved here. | |||||||
1105 | // If it is TRUE, we still have to update the values if they are different | |||||||
1106 | // from those we now have. If it is FALSE we didn't save anything yet, but | |||||||
1107 | // our objective is the same. We have to ensure that the values in the team | |||||||
1108 | // are the same as those we have. | |||||||
1109 | // So, this code achieves what we need whether or not t_fp_control_saved is | |||||||
1110 | // true. By checking whether the value needs updating we avoid unnecessary | |||||||
1111 | // writes that would put the cache-line into a written state, causing all | |||||||
1112 | // threads in the team to have to read it again. | |||||||
1113 | KMP_CHECK_UPDATE(team->t.t_x87_fpu_control_word, x87_fpu_control_word)if ((team->t.t_x87_fpu_control_word) != (x87_fpu_control_word )) (team->t.t_x87_fpu_control_word) = (x87_fpu_control_word ); | |||||||
1114 | KMP_CHECK_UPDATE(team->t.t_mxcsr, mxcsr)if ((team->t.t_mxcsr) != (mxcsr)) (team->t.t_mxcsr) = ( mxcsr); | |||||||
1115 | // Although we don't use this value, other code in the runtime wants to know | |||||||
1116 | // whether it should restore them. So we must ensure it is correct. | |||||||
1117 | KMP_CHECK_UPDATE(team->t.t_fp_control_saved, TRUE)if ((team->t.t_fp_control_saved) != ((!0))) (team->t.t_fp_control_saved ) = ((!0)); | |||||||
1118 | } else { | |||||||
1119 | // Similarly here. Don't write to this cache-line in the team structure | |||||||
1120 | // unless we have to. | |||||||
1121 | KMP_CHECK_UPDATE(team->t.t_fp_control_saved, FALSE)if ((team->t.t_fp_control_saved) != (0)) (team->t.t_fp_control_saved ) = (0); | |||||||
1122 | } | |||||||
1123 | } | |||||||
1124 | ||||||||
1125 | // Do the opposite, setting the hardware registers to the updated values from | |||||||
1126 | // the team. | |||||||
1127 | inline static void updateHWFPControl(kmp_team_t *team) { | |||||||
1128 | if (__kmp_inherit_fp_control && team->t.t_fp_control_saved) { | |||||||
1129 | // Only reset the fp control regs if they have been changed in the team. | |||||||
1130 | // the parallel region that we are exiting. | |||||||
1131 | kmp_int16 x87_fpu_control_word; | |||||||
1132 | kmp_uint32 mxcsr; | |||||||
1133 | __kmp_store_x87_fpu_control_word(&x87_fpu_control_word); | |||||||
1134 | __kmp_store_mxcsr(&mxcsr); | |||||||
1135 | mxcsr &= KMP_X86_MXCSR_MASK0xffffffc0; | |||||||
1136 | ||||||||
1137 | if (team->t.t_x87_fpu_control_word != x87_fpu_control_word) { | |||||||
1138 | __kmp_clear_x87_fpu_status_word(); | |||||||
1139 | __kmp_load_x87_fpu_control_word(&team->t.t_x87_fpu_control_word); | |||||||
1140 | } | |||||||
1141 | ||||||||
1142 | if (team->t.t_mxcsr != mxcsr) { | |||||||
1143 | __kmp_load_mxcsr(&team->t.t_mxcsr)_mm_setcsr(*(&team->t.t_mxcsr)); | |||||||
1144 | } | |||||||
1145 | } | |||||||
1146 | } | |||||||
1147 | #else | |||||||
1148 | #define propagateFPControl(x) ((void)0) | |||||||
1149 | #define updateHWFPControl(x) ((void)0) | |||||||
1150 | #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */ | |||||||
1151 | ||||||||
1152 | static void __kmp_alloc_argv_entries(int argc, kmp_team_t *team, | |||||||
1153 | int realloc); // forward declaration | |||||||
1154 | ||||||||
1155 | /* Run a parallel region that has been serialized, so runs only in a team of the | |||||||
1156 | single master thread. */ | |||||||
1157 | void __kmp_serialized_parallel(ident_t *loc, kmp_int32 global_tid) { | |||||||
1158 | kmp_info_t *this_thr; | |||||||
1159 | kmp_team_t *serial_team; | |||||||
1160 | ||||||||
1161 | KC_TRACE(10, ("__kmpc_serialized_parallel: called by T#%d\n", global_tid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: called by T#%d\n" , global_tid); }; | |||||||
1162 | ||||||||
1163 | /* Skip all this code for autopar serialized loops since it results in | |||||||
1164 | unacceptable overhead */ | |||||||
1165 | if (loc != NULL__null && (loc->flags & KMP_IDENT_AUTOPAR0x08)) | |||||||
1166 | return; | |||||||
1167 | ||||||||
1168 | if (!TCR_4(__kmp_init_parallel)(__kmp_init_parallel)) | |||||||
1169 | __kmp_parallel_initialize(); | |||||||
1170 | ||||||||
1171 | this_thr = __kmp_threads[global_tid]; | |||||||
1172 | serial_team = this_thr->th.th_serial_team; | |||||||
1173 | ||||||||
1174 | /* utilize the serialized team held by this thread */ | |||||||
1175 | KMP_DEBUG_ASSERT(serial_team)((serial_team) ? 0 : __kmp_debug_assert("serial_team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1175)); | |||||||
1176 | KMP_MB(); | |||||||
1177 | ||||||||
1178 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
1179 | KMP_DEBUG_ASSERT(((this_thr->th.th_task_team == this_thr->th.th_team-> t.t_task_team[this_thr->th.th_task_state]) ? 0 : __kmp_debug_assert ("this_thr->th.th_task_team == this_thr->th.th_team->t.t_task_team[this_thr->th.th_task_state]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1181)) | |||||||
1180 | this_thr->th.th_task_team ==((this_thr->th.th_task_team == this_thr->th.th_team-> t.t_task_team[this_thr->th.th_task_state]) ? 0 : __kmp_debug_assert ("this_thr->th.th_task_team == this_thr->th.th_team->t.t_task_team[this_thr->th.th_task_state]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1181)) | |||||||
1181 | this_thr->th.th_team->t.t_task_team[this_thr->th.th_task_state])((this_thr->th.th_task_team == this_thr->th.th_team-> t.t_task_team[this_thr->th.th_task_state]) ? 0 : __kmp_debug_assert ("this_thr->th.th_task_team == this_thr->th.th_team->t.t_task_team[this_thr->th.th_task_state]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1181)); | |||||||
1182 | KMP_DEBUG_ASSERT(serial_team->t.t_task_team[this_thr->th.th_task_state] ==((serial_team->t.t_task_team[this_thr->th.th_task_state ] == __null) ? 0 : __kmp_debug_assert("serial_team->t.t_task_team[this_thr->th.th_task_state] == __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1183)) | |||||||
1183 | NULL)((serial_team->t.t_task_team[this_thr->th.th_task_state ] == __null) ? 0 : __kmp_debug_assert("serial_team->t.t_task_team[this_thr->th.th_task_state] == __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1183)); | |||||||
1184 | KA_TRACE(20, ("__kmpc_serialized_parallel: T#%d pushing task_team %p / "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d pushing task_team %p / " "team %p, new task_team = NULL\n", global_tid, this_thr-> th.th_task_team, this_thr->th.th_team); } | |||||||
1185 | "team %p, new task_team = NULL\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d pushing task_team %p / " "team %p, new task_team = NULL\n", global_tid, this_thr-> th.th_task_team, this_thr->th.th_team); } | |||||||
1186 | global_tid, this_thr->th.th_task_team, this_thr->th.th_team))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d pushing task_team %p / " "team %p, new task_team = NULL\n", global_tid, this_thr-> th.th_task_team, this_thr->th.th_team); }; | |||||||
1187 | this_thr->th.th_task_team = NULL__null; | |||||||
1188 | } | |||||||
1189 | ||||||||
1190 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1191 | kmp_proc_bind_t proc_bind = this_thr->th.th_set_proc_bind; | |||||||
1192 | if (this_thr->th.th_current_task->td_icvs.proc_bind == proc_bind_false) { | |||||||
1193 | proc_bind = proc_bind_false; | |||||||
1194 | } else if (proc_bind == proc_bind_default) { | |||||||
1195 | // No proc_bind clause was specified, so use the current value | |||||||
1196 | // of proc-bind-var for this parallel region. | |||||||
1197 | proc_bind = this_thr->th.th_current_task->td_icvs.proc_bind; | |||||||
1198 | } | |||||||
1199 | // Reset for next parallel region | |||||||
1200 | this_thr->th.th_set_proc_bind = proc_bind_default; | |||||||
1201 | #endif /* OMP_40_ENABLED */ | |||||||
1202 | ||||||||
1203 | #if OMPT_SUPPORT1 | |||||||
1204 | ompt_data_t ompt_parallel_data; | |||||||
1205 | ompt_parallel_data.ptr = NULL__null; | |||||||
1206 | ompt_data_t *implicit_task_data; | |||||||
1207 | void *codeptr = OMPT_LOAD_RETURN_ADDRESS(global_tid)__ompt_load_return_address(global_tid); | |||||||
1208 | if (ompt_enabled.enabled && | |||||||
1209 | this_thr->th.ompt_thread_info.state != omp_state_overhead) { | |||||||
1210 | ||||||||
1211 | ompt_task_info_t *parent_task_info; | |||||||
1212 | parent_task_info = OMPT_CUR_TASK_INFO(this_thr)(&(this_thr->th.th_current_task->ompt_task_info)); | |||||||
1213 | ||||||||
1214 | parent_task_info->frame.enter_frame = OMPT_GET_FRAME_ADDRESS(1)__builtin_frame_address(1); | |||||||
1215 | if (ompt_enabled.ompt_callback_parallel_begin) { | |||||||
1216 | int team_size = 1; | |||||||
1217 | ||||||||
1218 | ompt_callbacks.ompt_callback(ompt_callback_parallel_begin)ompt_callback_parallel_begin_callback( | |||||||
1219 | &(parent_task_info->task_data), &(parent_task_info->frame), | |||||||
1220 | &ompt_parallel_data, team_size, ompt_invoker_program, codeptr); | |||||||
1221 | } | |||||||
1222 | } | |||||||
1223 | #endif // OMPT_SUPPORT | |||||||
1224 | ||||||||
1225 | if (this_thr->th.th_team != serial_team) { | |||||||
1226 | // Nested level will be an index in the nested nthreads array | |||||||
1227 | int level = this_thr->th.th_team->t.t_level; | |||||||
1228 | ||||||||
1229 | if (serial_team->t.t_serialized) { | |||||||
1230 | /* this serial team was already used | |||||||
1231 | TODO increase performance by making this locks more specific */ | |||||||
1232 | kmp_team_t *new_team; | |||||||
1233 | ||||||||
1234 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
1235 | ||||||||
1236 | new_team = __kmp_allocate_team(this_thr->th.th_root, 1, 1, | |||||||
1237 | #if OMPT_SUPPORT1 | |||||||
1238 | ompt_parallel_data, | |||||||
1239 | #endif | |||||||
1240 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1241 | proc_bind, | |||||||
1242 | #endif | |||||||
1243 | &this_thr->th.th_current_task->td_icvs, | |||||||
1244 | 0 USE_NESTED_HOT_ARG(NULL), __null); | |||||||
1245 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
1246 | KMP_ASSERT(new_team)((new_team) ? 0 : __kmp_debug_assert("new_team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1246)); | |||||||
1247 | ||||||||
1248 | /* setup new serialized team and install it */ | |||||||
1249 | new_team->t.t_threads[0] = this_thr; | |||||||
1250 | new_team->t.t_parent = this_thr->th.th_team; | |||||||
1251 | serial_team = new_team; | |||||||
1252 | this_thr->th.th_serial_team = serial_team; | |||||||
1253 | ||||||||
1254 | KF_TRACE(if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d allocated new serial team %p\n" , global_tid, serial_team); } | |||||||
1255 | 10,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d allocated new serial team %p\n" , global_tid, serial_team); } | |||||||
1256 | ("__kmpc_serialized_parallel: T#%d allocated new serial team %p\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d allocated new serial team %p\n" , global_tid, serial_team); } | |||||||
1257 | global_tid, serial_team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d allocated new serial team %p\n" , global_tid, serial_team); }; | |||||||
1258 | ||||||||
1259 | /* TODO the above breaks the requirement that if we run out of resources, | |||||||
1260 | then we can still guarantee that serialized teams are ok, since we may | |||||||
1261 | need to allocate a new one */ | |||||||
1262 | } else { | |||||||
1263 | KF_TRACE(if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d reusing cached serial team %p\n" , global_tid, serial_team); } | |||||||
1264 | 10,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d reusing cached serial team %p\n" , global_tid, serial_team); } | |||||||
1265 | ("__kmpc_serialized_parallel: T#%d reusing cached serial team %p\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d reusing cached serial team %p\n" , global_tid, serial_team); } | |||||||
1266 | global_tid, serial_team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d reusing cached serial team %p\n" , global_tid, serial_team); }; | |||||||
1267 | } | |||||||
1268 | ||||||||
1269 | /* we have to initialize this serial team */ | |||||||
1270 | KMP_DEBUG_ASSERT(serial_team->t.t_threads)((serial_team->t.t_threads) ? 0 : __kmp_debug_assert("serial_team->t.t_threads" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1270)); | |||||||
1271 | KMP_DEBUG_ASSERT(serial_team->t.t_threads[0] == this_thr)((serial_team->t.t_threads[0] == this_thr) ? 0 : __kmp_debug_assert ("serial_team->t.t_threads[0] == this_thr", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1271)); | |||||||
1272 | KMP_DEBUG_ASSERT(this_thr->th.th_team != serial_team)((this_thr->th.th_team != serial_team) ? 0 : __kmp_debug_assert ("this_thr->th.th_team != serial_team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1272)); | |||||||
1273 | serial_team->t.t_ident = loc; | |||||||
1274 | serial_team->t.t_serialized = 1; | |||||||
1275 | serial_team->t.t_nproc = 1; | |||||||
1276 | serial_team->t.t_parent = this_thr->th.th_team; | |||||||
1277 | serial_team->t.t_sched.sched = this_thr->th.th_team->t.t_sched.sched; | |||||||
1278 | this_thr->th.th_team = serial_team; | |||||||
1279 | serial_team->t.t_master_tid = this_thr->th.th_info.ds.ds_tid; | |||||||
1280 | ||||||||
1281 | KF_TRACE(10, ("__kmpc_serialized_parallel: T#d curtask=%p\n", global_tid,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#d curtask=%p\n" , global_tid, this_thr->th.th_current_task); } | |||||||
1282 | this_thr->th.th_current_task))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#d curtask=%p\n" , global_tid, this_thr->th.th_current_task); }; | |||||||
1283 | KMP_ASSERT(this_thr->th.th_current_task->td_flags.executing == 1)((this_thr->th.th_current_task->td_flags.executing == 1 ) ? 0 : __kmp_debug_assert("this_thr->th.th_current_task->td_flags.executing == 1" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1283)); | |||||||
1284 | this_thr->th.th_current_task->td_flags.executing = 0; | |||||||
1285 | ||||||||
1286 | __kmp_push_current_task_to_thread(this_thr, serial_team, 0); | |||||||
1287 | ||||||||
1288 | /* TODO: GEH: do ICVs work for nested serialized teams? Don't we need an | |||||||
1289 | implicit task for each serialized task represented by | |||||||
1290 | team->t.t_serialized? */ | |||||||
1291 | copy_icvs(&this_thr->th.th_current_task->td_icvs, | |||||||
1292 | &this_thr->th.th_current_task->td_parent->td_icvs); | |||||||
1293 | ||||||||
1294 | // Thread value exists in the nested nthreads array for the next nested | |||||||
1295 | // level | |||||||
1296 | if (__kmp_nested_nth.used && (level + 1 < __kmp_nested_nth.used)) { | |||||||
1297 | this_thr->th.th_current_task->td_icvs.nproc = | |||||||
1298 | __kmp_nested_nth.nth[level + 1]; | |||||||
1299 | } | |||||||
1300 | ||||||||
1301 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1302 | if (__kmp_nested_proc_bind.used && | |||||||
1303 | (level + 1 < __kmp_nested_proc_bind.used)) { | |||||||
1304 | this_thr->th.th_current_task->td_icvs.proc_bind = | |||||||
1305 | __kmp_nested_proc_bind.bind_types[level + 1]; | |||||||
1306 | } | |||||||
1307 | #endif /* OMP_40_ENABLED */ | |||||||
1308 | ||||||||
1309 | #if USE_DEBUGGER0 | |||||||
1310 | serial_team->t.t_pkfn = (microtask_t)(~0); // For the debugger. | |||||||
1311 | #endif | |||||||
1312 | this_thr->th.th_info.ds.ds_tid = 0; | |||||||
1313 | ||||||||
1314 | /* set thread cache values */ | |||||||
1315 | this_thr->th.th_team_nproc = 1; | |||||||
1316 | this_thr->th.th_team_master = this_thr; | |||||||
1317 | this_thr->th.th_team_serialized = 1; | |||||||
1318 | ||||||||
1319 | serial_team->t.t_level = serial_team->t.t_parent->t.t_level + 1; | |||||||
1320 | serial_team->t.t_active_level = serial_team->t.t_parent->t.t_active_level; | |||||||
1321 | ||||||||
1322 | propagateFPControl(serial_team); | |||||||
1323 | ||||||||
1324 | /* check if we need to allocate dispatch buffers stack */ | |||||||
1325 | KMP_DEBUG_ASSERT(serial_team->t.t_dispatch)((serial_team->t.t_dispatch) ? 0 : __kmp_debug_assert("serial_team->t.t_dispatch" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1325)); | |||||||
1326 | if (!serial_team->t.t_dispatch->th_disp_buffer) { | |||||||
1327 | serial_team->t.t_dispatch->th_disp_buffer = | |||||||
1328 | (dispatch_private_info_t *)__kmp_allocate(___kmp_allocate((sizeof(dispatch_private_info_t)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1329) | |||||||
1329 | sizeof(dispatch_private_info_t))___kmp_allocate((sizeof(dispatch_private_info_t)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1329); | |||||||
1330 | } | |||||||
1331 | this_thr->th.th_dispatch = serial_team->t.t_dispatch; | |||||||
1332 | ||||||||
1333 | KMP_MB(); | |||||||
1334 | ||||||||
1335 | } else { | |||||||
1336 | /* this serialized team is already being used, | |||||||
1337 | * that's fine, just add another nested level */ | |||||||
1338 | KMP_DEBUG_ASSERT(this_thr->th.th_team == serial_team)((this_thr->th.th_team == serial_team) ? 0 : __kmp_debug_assert ("this_thr->th.th_team == serial_team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1338)); | |||||||
1339 | KMP_DEBUG_ASSERT(serial_team->t.t_threads)((serial_team->t.t_threads) ? 0 : __kmp_debug_assert("serial_team->t.t_threads" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1339)); | |||||||
1340 | KMP_DEBUG_ASSERT(serial_team->t.t_threads[0] == this_thr)((serial_team->t.t_threads[0] == this_thr) ? 0 : __kmp_debug_assert ("serial_team->t.t_threads[0] == this_thr", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1340)); | |||||||
1341 | ++serial_team->t.t_serialized; | |||||||
1342 | this_thr->th.th_team_serialized = serial_team->t.t_serialized; | |||||||
1343 | ||||||||
1344 | // Nested level will be an index in the nested nthreads array | |||||||
1345 | int level = this_thr->th.th_team->t.t_level; | |||||||
1346 | // Thread value exists in the nested nthreads array for the next nested | |||||||
1347 | // level | |||||||
1348 | if (__kmp_nested_nth.used && (level + 1 < __kmp_nested_nth.used)) { | |||||||
1349 | this_thr->th.th_current_task->td_icvs.nproc = | |||||||
1350 | __kmp_nested_nth.nth[level + 1]; | |||||||
1351 | } | |||||||
1352 | serial_team->t.t_level++; | |||||||
1353 | KF_TRACE(10, ("__kmpc_serialized_parallel: T#%d increasing nesting level "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d increasing nesting level " "of serial team %p to %d\n", global_tid, serial_team, serial_team ->t.t_level); } | |||||||
1354 | "of serial team %p to %d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d increasing nesting level " "of serial team %p to %d\n", global_tid, serial_team, serial_team ->t.t_level); } | |||||||
1355 | global_tid, serial_team, serial_team->t.t_level))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d increasing nesting level " "of serial team %p to %d\n", global_tid, serial_team, serial_team ->t.t_level); }; | |||||||
1356 | ||||||||
1357 | /* allocate/push dispatch buffers stack */ | |||||||
1358 | KMP_DEBUG_ASSERT(serial_team->t.t_dispatch)((serial_team->t.t_dispatch) ? 0 : __kmp_debug_assert("serial_team->t.t_dispatch" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1358)); | |||||||
1359 | { | |||||||
1360 | dispatch_private_info_t *disp_buffer = | |||||||
1361 | (dispatch_private_info_t *)__kmp_allocate(___kmp_allocate((sizeof(dispatch_private_info_t)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1362) | |||||||
1362 | sizeof(dispatch_private_info_t))___kmp_allocate((sizeof(dispatch_private_info_t)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1362); | |||||||
1363 | disp_buffer->next = serial_team->t.t_dispatch->th_disp_buffer; | |||||||
1364 | serial_team->t.t_dispatch->th_disp_buffer = disp_buffer; | |||||||
1365 | } | |||||||
1366 | this_thr->th.th_dispatch = serial_team->t.t_dispatch; | |||||||
1367 | ||||||||
1368 | KMP_MB(); | |||||||
1369 | } | |||||||
1370 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1371 | KMP_CHECK_UPDATE(serial_team->t.t_cancel_request, cancel_noreq)if ((serial_team->t.t_cancel_request) != (cancel_noreq)) ( serial_team->t.t_cancel_request) = (cancel_noreq); | |||||||
1372 | #endif | |||||||
1373 | ||||||||
1374 | if (__kmp_env_consistency_check) | |||||||
1375 | __kmp_push_parallel(global_tid, NULL__null); | |||||||
1376 | #if OMPT_SUPPORT1 | |||||||
1377 | serial_team->t.ompt_team_info.master_return_address = codeptr; | |||||||
1378 | if (ompt_enabled.enabled && | |||||||
1379 | this_thr->th.ompt_thread_info.state != omp_state_overhead) { | |||||||
1380 | OMPT_CUR_TASK_INFO(this_thr)(&(this_thr->th.th_current_task->ompt_task_info))->frame.exit_frame = OMPT_GET_FRAME_ADDRESS(1)__builtin_frame_address(1); | |||||||
1381 | ||||||||
1382 | ompt_lw_taskteam_t lw_taskteam; | |||||||
1383 | __ompt_lw_taskteam_init(&lw_taskteam, this_thr, global_tid, | |||||||
1384 | &ompt_parallel_data, codeptr); | |||||||
1385 | ||||||||
1386 | __ompt_lw_taskteam_link(&lw_taskteam, this_thr, 1); | |||||||
1387 | // don't use lw_taskteam after linking. content was swaped | |||||||
1388 | ||||||||
1389 | /* OMPT implicit task begin */ | |||||||
1390 | implicit_task_data = OMPT_CUR_TASK_DATA(this_thr)(&(this_thr->th.th_current_task->ompt_task_info.task_data )); | |||||||
1391 | if (ompt_enabled.ompt_callback_implicit_task) { | |||||||
1392 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||||||
1393 | ompt_scope_begin, OMPT_CUR_TEAM_DATA(this_thr)(&(this_thr->th.th_team->t.ompt_team_info.parallel_data )), | |||||||
1394 | OMPT_CUR_TASK_DATA(this_thr)(&(this_thr->th.th_current_task->ompt_task_info.task_data )), 1, __kmp_tid_from_gtid(global_tid)((((global_tid) >= 0) ? 0 : __kmp_debug_assert("(global_tid) >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1394)), __kmp_threads[(global_tid)]->th.th_info.ds.ds_tid )); | |||||||
1395 | OMPT_CUR_TASK_INFO(this_thr)(&(this_thr->th.th_current_task->ompt_task_info)) | |||||||
1396 | ->thread_num = __kmp_tid_from_gtid(global_tid)((((global_tid) >= 0) ? 0 : __kmp_debug_assert("(global_tid) >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1396)), __kmp_threads[(global_tid)]->th.th_info.ds.ds_tid ); | |||||||
1397 | } | |||||||
1398 | ||||||||
1399 | /* OMPT state */ | |||||||
1400 | this_thr->th.ompt_thread_info.state = omp_state_work_parallel; | |||||||
1401 | OMPT_CUR_TASK_INFO(this_thr)(&(this_thr->th.th_current_task->ompt_task_info))->frame.exit_frame = OMPT_GET_FRAME_ADDRESS(1)__builtin_frame_address(1); | |||||||
1402 | } | |||||||
1403 | #endif | |||||||
1404 | } | |||||||
1405 | ||||||||
1406 | /* most of the work for a fork */ | |||||||
1407 | /* return true if we really went parallel, false if serialized */ | |||||||
1408 | int __kmp_fork_call(ident_t *loc, int gtid, | |||||||
1409 | enum fork_context_e call_context, // Intel, GNU, ... | |||||||
1410 | kmp_int32 argc, microtask_t microtask, launch_t invoker, | |||||||
1411 | /* TODO: revert workaround for Intel(R) 64 tracker #96 */ | |||||||
1412 | #if (KMP_ARCH_X86_641 || KMP_ARCH_ARM || KMP_ARCH_AARCH640) && KMP_OS_LINUX1 | |||||||
1413 | va_list *ap | |||||||
1414 | #else | |||||||
1415 | va_list ap | |||||||
1416 | #endif | |||||||
1417 | ) { | |||||||
1418 | void **argv; | |||||||
1419 | int i; | |||||||
1420 | int master_tid; | |||||||
1421 | int master_this_cons; | |||||||
1422 | kmp_team_t *team; | |||||||
1423 | kmp_team_t *parent_team; | |||||||
1424 | kmp_info_t *master_th; | |||||||
1425 | kmp_root_t *root; | |||||||
1426 | int nthreads; | |||||||
1427 | int master_active; | |||||||
1428 | int master_set_numthreads; | |||||||
1429 | int level; | |||||||
1430 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1431 | int active_level; | |||||||
1432 | int teams_level; | |||||||
1433 | #endif | |||||||
1434 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
1435 | kmp_hot_team_ptr_t **p_hot_teams; | |||||||
1436 | #endif | |||||||
1437 | { // KMP_TIME_BLOCK | |||||||
1438 | KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(KMP_fork_call)((void)0); | |||||||
1439 | KMP_COUNT_VALUE(OMP_PARALLEL_args, argc)((void)0); | |||||||
1440 | ||||||||
1441 | KA_TRACE(20, ("__kmp_fork_call: enter T#%d\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: enter T#%d\n" , gtid); }; | |||||||
1442 | if (__kmp_stkpadding > 0 && __kmp_root[gtid] != NULL__null) { | |||||||
1443 | /* Some systems prefer the stack for the root thread(s) to start with */ | |||||||
1444 | /* some gap from the parent stack to prevent false sharing. */ | |||||||
1445 | void *dummy = KMP_ALLOCA(__kmp_stkpadding)__builtin_alloca (__kmp_stkpadding); | |||||||
1446 | /* These 2 lines below are so this does not get optimized out */ | |||||||
1447 | if (__kmp_stkpadding > KMP_MAX_STKPADDING(2 * 1024 * 1024)) | |||||||
1448 | __kmp_stkpadding += (short)((kmp_int64)dummy); | |||||||
1449 | } | |||||||
1450 | ||||||||
1451 | /* initialize if needed */ | |||||||
1452 | KMP_DEBUG_ASSERT(((__kmp_init_serial) ? 0 : __kmp_debug_assert("__kmp_init_serial" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1453)) | |||||||
1453 | __kmp_init_serial)((__kmp_init_serial) ? 0 : __kmp_debug_assert("__kmp_init_serial" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1453)); // AC: potentially unsafe, not in sync with shutdown | |||||||
1454 | if (!TCR_4(__kmp_init_parallel)(__kmp_init_parallel)) | |||||||
1455 | __kmp_parallel_initialize(); | |||||||
1456 | ||||||||
1457 | /* setup current data */ | |||||||
1458 | master_th = __kmp_threads[gtid]; // AC: potentially unsafe, not in sync with | |||||||
1459 | // shutdown | |||||||
1460 | parent_team = master_th->th.th_team; | |||||||
1461 | master_tid = master_th->th.th_info.ds.ds_tid; | |||||||
1462 | master_this_cons = master_th->th.th_local.this_construct; | |||||||
1463 | root = master_th->th.th_root; | |||||||
1464 | master_active = root->r.r_active; | |||||||
1465 | master_set_numthreads = master_th->th.th_set_nproc; | |||||||
1466 | ||||||||
1467 | #if OMPT_SUPPORT1 | |||||||
1468 | ompt_data_t ompt_parallel_data; | |||||||
1469 | ompt_parallel_data.ptr = NULL__null; | |||||||
1470 | ompt_data_t *parent_task_data; | |||||||
1471 | omp_frame_t *ompt_frame; | |||||||
1472 | ompt_data_t *implicit_task_data; | |||||||
1473 | void *return_address = NULL__null; | |||||||
1474 | ||||||||
1475 | if (ompt_enabled.enabled) { | |||||||
1476 | __ompt_get_task_info_internal(0, NULL__null, &parent_task_data, &ompt_frame, | |||||||
1477 | NULL__null, NULL__null); | |||||||
1478 | return_address = OMPT_LOAD_RETURN_ADDRESS(gtid)__ompt_load_return_address(gtid); | |||||||
1479 | } | |||||||
1480 | #endif | |||||||
1481 | ||||||||
1482 | // Nested level will be an index in the nested nthreads array | |||||||
1483 | level = parent_team->t.t_level; | |||||||
1484 | // used to launch non-serial teams even if nested is not allowed | |||||||
1485 | active_level = parent_team->t.t_active_level; | |||||||
1486 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1487 | // needed to check nesting inside the teams | |||||||
1488 | teams_level = master_th->th.th_teams_level; | |||||||
1489 | #endif | |||||||
1490 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
1491 | p_hot_teams = &master_th->th.th_hot_teams; | |||||||
1492 | if (*p_hot_teams == NULL__null && __kmp_hot_teams_max_level > 0) { | |||||||
1493 | *p_hot_teams = (kmp_hot_team_ptr_t *)__kmp_allocate(___kmp_allocate((sizeof(kmp_hot_team_ptr_t) * __kmp_hot_teams_max_level ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1494) | |||||||
1494 | sizeof(kmp_hot_team_ptr_t) * __kmp_hot_teams_max_level)___kmp_allocate((sizeof(kmp_hot_team_ptr_t) * __kmp_hot_teams_max_level ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1494); | |||||||
1495 | (*p_hot_teams)[0].hot_team = root->r.r_hot_team; | |||||||
1496 | // it is either actual or not needed (when active_level > 0) | |||||||
1497 | (*p_hot_teams)[0].hot_team_nth = 1; | |||||||
1498 | } | |||||||
1499 | #endif | |||||||
1500 | ||||||||
1501 | #if OMPT_SUPPORT1 | |||||||
1502 | if (ompt_enabled.enabled) { | |||||||
1503 | if (ompt_enabled.ompt_callback_parallel_begin) { | |||||||
1504 | int team_size = master_set_numthreads | |||||||
1505 | ? master_set_numthreads | |||||||
1506 | : get__nproc_2(parent_team, master_tid)((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.nproc); | |||||||
1507 | ompt_callbacks.ompt_callback(ompt_callback_parallel_begin)ompt_callback_parallel_begin_callback( | |||||||
1508 | parent_task_data, ompt_frame, &ompt_parallel_data, team_size, | |||||||
1509 | OMPT_INVOKER(call_context)((call_context == fork_context_gnu) ? ompt_invoker_program : ompt_invoker_runtime ), return_address); | |||||||
1510 | } | |||||||
1511 | master_th->th.ompt_thread_info.state = omp_state_overhead; | |||||||
1512 | } | |||||||
1513 | #endif | |||||||
1514 | ||||||||
1515 | master_th->th.th_ident = loc; | |||||||
1516 | ||||||||
1517 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1518 | if (master_th->th.th_teams_microtask && ap && | |||||||
1519 | microtask != (microtask_t)__kmp_teams_master && level == teams_level) { | |||||||
1520 | // AC: This is start of parallel that is nested inside teams construct. | |||||||
1521 | // The team is actual (hot), all workers are ready at the fork barrier. | |||||||
1522 | // No lock needed to initialize the team a bit, then free workers. | |||||||
1523 | parent_team->t.t_ident = loc; | |||||||
1524 | __kmp_alloc_argv_entries(argc, parent_team, TRUE(!0)); | |||||||
1525 | parent_team->t.t_argc = argc; | |||||||
1526 | argv = (void **)parent_team->t.t_argv; | |||||||
1527 | for (i = argc - 1; i >= 0; --i) | |||||||
1528 | /* TODO: revert workaround for Intel(R) 64 tracker #96 */ | |||||||
1529 | #if (KMP_ARCH_X86_641 || KMP_ARCH_ARM || KMP_ARCH_AARCH640) && KMP_OS_LINUX1 | |||||||
1530 | *argv++ = va_arg(*ap, void *)__builtin_va_arg(*ap, void *); | |||||||
1531 | #else | |||||||
1532 | *argv++ = va_arg(ap, void *)__builtin_va_arg(ap, void *); | |||||||
1533 | #endif | |||||||
1534 | // Increment our nested depth levels, but not increase the serialization | |||||||
1535 | if (parent_team == master_th->th.th_serial_team) { | |||||||
1536 | // AC: we are in serialized parallel | |||||||
1537 | __kmpc_serialized_parallel(loc, gtid); | |||||||
1538 | KMP_DEBUG_ASSERT(parent_team->t.t_serialized > 1)((parent_team->t.t_serialized > 1) ? 0 : __kmp_debug_assert ("parent_team->t.t_serialized > 1", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1538)); | |||||||
1539 | // AC: need this in order enquiry functions work | |||||||
1540 | // correctly, will restore at join time | |||||||
1541 | parent_team->t.t_serialized--; | |||||||
1542 | #if OMPT_SUPPORT1 | |||||||
1543 | void *dummy; | |||||||
1544 | void **exit_runtime_p; | |||||||
1545 | ||||||||
1546 | ompt_lw_taskteam_t lw_taskteam; | |||||||
1547 | ||||||||
1548 | if (ompt_enabled.enabled) { | |||||||
1549 | __ompt_lw_taskteam_init(&lw_taskteam, master_th, gtid, | |||||||
1550 | &ompt_parallel_data, return_address); | |||||||
1551 | exit_runtime_p = &(lw_taskteam.ompt_task_info.frame.exit_frame); | |||||||
1552 | ||||||||
1553 | __ompt_lw_taskteam_link(&lw_taskteam, master_th, 0); | |||||||
1554 | // don't use lw_taskteam after linking. content was swaped | |||||||
1555 | ||||||||
1556 | /* OMPT implicit task begin */ | |||||||
1557 | implicit_task_data = OMPT_CUR_TASK_DATA(master_th)(&(master_th->th.th_current_task->ompt_task_info.task_data )); | |||||||
1558 | if (ompt_enabled.ompt_callback_implicit_task) { | |||||||
1559 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||||||
1560 | ompt_scope_begin, OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )), | |||||||
1561 | implicit_task_data, 1, __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1561)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid)); | |||||||
1562 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info)) | |||||||
1563 | ->thread_num = __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1563)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid); | |||||||
1564 | } | |||||||
1565 | ||||||||
1566 | /* OMPT state */ | |||||||
1567 | master_th->th.ompt_thread_info.state = omp_state_work_parallel; | |||||||
1568 | } else { | |||||||
1569 | exit_runtime_p = &dummy; | |||||||
1570 | } | |||||||
1571 | #endif | |||||||
1572 | ||||||||
1573 | { | |||||||
1574 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||||||
1575 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||||||
1576 | __kmp_invoke_microtask(microtask, gtid, 0, argc, parent_team->t.t_argv | |||||||
1577 | #if OMPT_SUPPORT1 | |||||||
1578 | , | |||||||
1579 | exit_runtime_p | |||||||
1580 | #endif | |||||||
1581 | ); | |||||||
1582 | } | |||||||
1583 | ||||||||
1584 | #if OMPT_SUPPORT1 | |||||||
1585 | *exit_runtime_p = NULL__null; | |||||||
1586 | if (ompt_enabled.enabled) { | |||||||
1587 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->frame.exit_frame = NULL__null; | |||||||
1588 | if (ompt_enabled.ompt_callback_implicit_task) { | |||||||
1589 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||||||
1590 | ompt_scope_end, NULL__null, implicit_task_data, 1, | |||||||
1591 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num); | |||||||
1592 | } | |||||||
1593 | __ompt_lw_taskteam_unlink(master_th); | |||||||
1594 | ||||||||
1595 | if (ompt_enabled.ompt_callback_parallel_end) { | |||||||
1596 | ompt_callbacks.ompt_callback(ompt_callback_parallel_end)ompt_callback_parallel_end_callback( | |||||||
1597 | OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )), OMPT_CUR_TASK_DATA(master_th)(&(master_th->th.th_current_task->ompt_task_info.task_data )), | |||||||
1598 | OMPT_INVOKER(call_context)((call_context == fork_context_gnu) ? ompt_invoker_program : ompt_invoker_runtime ), return_address); | |||||||
1599 | } | |||||||
1600 | master_th->th.ompt_thread_info.state = omp_state_overhead; | |||||||
1601 | } | |||||||
1602 | #endif | |||||||
1603 | return TRUE(!0); | |||||||
1604 | } | |||||||
1605 | ||||||||
1606 | parent_team->t.t_pkfn = microtask; | |||||||
1607 | parent_team->t.t_invoke = invoker; | |||||||
1608 | KMP_ATOMIC_INC(&root->r.r_in_parallel)(&root->r.r_in_parallel)->fetch_add(1, std::memory_order_acq_rel ); | |||||||
1609 | parent_team->t.t_active_level++; | |||||||
1610 | parent_team->t.t_level++; | |||||||
1611 | ||||||||
1612 | /* Change number of threads in the team if requested */ | |||||||
1613 | if (master_set_numthreads) { // The parallel has num_threads clause | |||||||
1614 | if (master_set_numthreads < master_th->th.th_teams_size.nth) { | |||||||
1615 | // AC: only can reduce number of threads dynamically, can't increase | |||||||
1616 | kmp_info_t **other_threads = parent_team->t.t_threads; | |||||||
1617 | parent_team->t.t_nproc = master_set_numthreads; | |||||||
1618 | for (i = 0; i < master_set_numthreads; ++i) { | |||||||
1619 | other_threads[i]->th.th_team_nproc = master_set_numthreads; | |||||||
1620 | } | |||||||
1621 | // Keep extra threads hot in the team for possible next parallels | |||||||
1622 | } | |||||||
1623 | master_th->th.th_set_nproc = 0; | |||||||
1624 | } | |||||||
1625 | ||||||||
1626 | #if USE_DEBUGGER0 | |||||||
1627 | if (__kmp_debugging) { // Let debugger override number of threads. | |||||||
1628 | int nth = __kmp_omp_num_threads(loc); | |||||||
1629 | if (nth > 0) { // 0 means debugger doesn't want to change num threads | |||||||
1630 | master_set_numthreads = nth; | |||||||
1631 | } | |||||||
1632 | } | |||||||
1633 | #endif | |||||||
1634 | ||||||||
1635 | KF_TRACE(10, ("__kmp_fork_call: before internal fork: root=%p, team=%p, "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: before internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); } | |||||||
1636 | "master_th=%p, gtid=%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: before internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); } | |||||||
1637 | root, parent_team, master_th, gtid))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: before internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); }; | |||||||
1638 | __kmp_internal_fork(loc, gtid, parent_team); | |||||||
1639 | KF_TRACE(10, ("__kmp_fork_call: after internal fork: root=%p, team=%p, "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: after internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); } | |||||||
1640 | "master_th=%p, gtid=%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: after internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); } | |||||||
1641 | root, parent_team, master_th, gtid))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: after internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); }; | |||||||
1642 | ||||||||
1643 | /* Invoke microtask for MASTER thread */ | |||||||
1644 | KA_TRACE(20, ("__kmp_fork_call: T#%d(%d:0) invoke microtask = %p\n", gtid,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:0) invoke microtask = %p\n" , gtid, parent_team->t.t_id, parent_team->t.t_pkfn); } | |||||||
1645 | parent_team->t.t_id, parent_team->t.t_pkfn))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:0) invoke microtask = %p\n" , gtid, parent_team->t.t_id, parent_team->t.t_pkfn); }; | |||||||
1646 | ||||||||
1647 | { | |||||||
1648 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||||||
1649 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||||||
1650 | if (!parent_team->t.t_invoke(gtid)) { | |||||||
1651 | KMP_ASSERT2(0, "cannot invoke microtask for MASTER thread")((0) ? 0 : __kmp_debug_assert(("cannot invoke microtask for MASTER thread" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1651)); | |||||||
1652 | } | |||||||
1653 | } | |||||||
1654 | KA_TRACE(20, ("__kmp_fork_call: T#%d(%d:0) done microtask = %p\n", gtid,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:0) done microtask = %p\n" , gtid, parent_team->t.t_id, parent_team->t.t_pkfn); } | |||||||
1655 | parent_team->t.t_id, parent_team->t.t_pkfn))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:0) done microtask = %p\n" , gtid, parent_team->t.t_id, parent_team->t.t_pkfn); }; | |||||||
1656 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
1657 | ||||||||
1658 | KA_TRACE(20, ("__kmp_fork_call: parallel exit T#%d\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: parallel exit T#%d\n" , gtid); }; | |||||||
1659 | ||||||||
1660 | return TRUE(!0); | |||||||
1661 | } // Parallel closely nested in teams construct | |||||||
1662 | #endif /* OMP_40_ENABLED */ | |||||||
1663 | ||||||||
1664 | #if KMP_DEBUG1 | |||||||
1665 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
1666 | KMP_DEBUG_ASSERT(master_th->th.th_task_team ==((master_th->th.th_task_team == parent_team->t.t_task_team [master_th->th.th_task_state]) ? 0 : __kmp_debug_assert("master_th->th.th_task_team == parent_team->t.t_task_team[master_th->th.th_task_state]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1667)) | |||||||
1667 | parent_team->t.t_task_team[master_th->th.th_task_state])((master_th->th.th_task_team == parent_team->t.t_task_team [master_th->th.th_task_state]) ? 0 : __kmp_debug_assert("master_th->th.th_task_team == parent_team->t.t_task_team[master_th->th.th_task_state]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1667)); | |||||||
1668 | } | |||||||
1669 | #endif | |||||||
1670 | ||||||||
1671 | if (parent_team->t.t_active_level >= | |||||||
1672 | master_th->th.th_current_task->td_icvs.max_active_levels) { | |||||||
1673 | nthreads = 1; | |||||||
1674 | } else { | |||||||
1675 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1676 | int enter_teams = ((ap == NULL__null && active_level == 0) || | |||||||
1677 | (ap && teams_level > 0 && teams_level == level)); | |||||||
1678 | #endif | |||||||
1679 | nthreads = | |||||||
1680 | master_set_numthreads | |||||||
1681 | ? master_set_numthreads | |||||||
1682 | : get__nproc_2(((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.nproc) | |||||||
1683 | parent_team,((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.nproc) | |||||||
1684 | master_tid)((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.nproc); // TODO: get nproc directly from current task | |||||||
1685 | ||||||||
1686 | // Check if we need to take forkjoin lock? (no need for serialized | |||||||
1687 | // parallel out of teams construct). This code moved here from | |||||||
1688 | // __kmp_reserve_threads() to speedup nested serialized parallels. | |||||||
1689 | if (nthreads > 1) { | |||||||
1690 | if ((!get__nested(master_th)(((master_th)->th.th_current_task->td_icvs.nested) ? (( !0)) : (0)) && (root->r.r_in_parallel | |||||||
1691 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1692 | && !enter_teams | |||||||
1693 | #endif /* OMP_40_ENABLED */ | |||||||
1694 | )) || | |||||||
1695 | (__kmp_library == library_serial)) { | |||||||
1696 | KC_TRACE(10, ("__kmp_fork_call: T#%d serializing team; requested %d"if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: T#%d serializing team; requested %d" " threads\n", gtid, nthreads); } | |||||||
1697 | " threads\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: T#%d serializing team; requested %d" " threads\n", gtid, nthreads); } | |||||||
1698 | gtid, nthreads))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: T#%d serializing team; requested %d" " threads\n", gtid, nthreads); }; | |||||||
1699 | nthreads = 1; | |||||||
1700 | } | |||||||
1701 | } | |||||||
1702 | if (nthreads > 1) { | |||||||
1703 | /* determine how many new threads we can use */ | |||||||
1704 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
1705 | nthreads = __kmp_reserve_threads( | |||||||
1706 | root, parent_team, master_tid, nthreads | |||||||
1707 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1708 | /* AC: If we execute teams from parallel region (on host), then | |||||||
1709 | teams should be created but each can only have 1 thread if | |||||||
1710 | nesting is disabled. If teams called from serial region, then | |||||||
1711 | teams and their threads should be created regardless of the | |||||||
1712 | nesting setting. */ | |||||||
1713 | , | |||||||
1714 | enter_teams | |||||||
1715 | #endif /* OMP_40_ENABLED */ | |||||||
1716 | ); | |||||||
1717 | if (nthreads == 1) { | |||||||
1718 | // Free lock for single thread execution here; for multi-thread | |||||||
1719 | // execution it will be freed later after team of threads created | |||||||
1720 | // and initialized | |||||||
1721 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
1722 | } | |||||||
1723 | } | |||||||
1724 | } | |||||||
1725 | KMP_DEBUG_ASSERT(nthreads > 0)((nthreads > 0) ? 0 : __kmp_debug_assert("nthreads > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1725)); | |||||||
1726 | ||||||||
1727 | // If we temporarily changed the set number of threads then restore it now | |||||||
1728 | master_th->th.th_set_nproc = 0; | |||||||
1729 | ||||||||
1730 | /* create a serialized parallel region? */ | |||||||
1731 | if (nthreads == 1) { | |||||||
1732 | /* josh todo: hypothetical question: what do we do for OS X*? */ | |||||||
1733 | #if KMP_OS_LINUX1 && \ | |||||||
1734 | (KMP_ARCH_X860 || KMP_ARCH_X86_641 || KMP_ARCH_ARM || KMP_ARCH_AARCH640) | |||||||
1735 | void *args[argc]; | |||||||
1736 | #else | |||||||
1737 | void **args = (void **)KMP_ALLOCA(argc * sizeof(void *))__builtin_alloca (argc * sizeof(void *)); | |||||||
1738 | #endif /* KMP_OS_LINUX && ( KMP_ARCH_X86 || KMP_ARCH_X86_64 || KMP_ARCH_ARM || \ | |||||||
1739 | KMP_ARCH_AARCH64) */ | |||||||
1740 | ||||||||
1741 | KA_TRACE(20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d serializing parallel region\n" , gtid); } | |||||||
1742 | ("__kmp_fork_call: T#%d serializing parallel region\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d serializing parallel region\n" , gtid); }; | |||||||
1743 | ||||||||
1744 | __kmpc_serialized_parallel(loc, gtid); | |||||||
1745 | ||||||||
1746 | if (call_context == fork_context_intel) { | |||||||
1747 | /* TODO this sucks, use the compiler itself to pass args! :) */ | |||||||
1748 | master_th->th.th_serial_team->t.t_ident = loc; | |||||||
1749 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1750 | if (!ap) { | |||||||
1751 | // revert change made in __kmpc_serialized_parallel() | |||||||
1752 | master_th->th.th_serial_team->t.t_level--; | |||||||
1753 | // Get args from parent team for teams construct | |||||||
1754 | ||||||||
1755 | #if OMPT_SUPPORT1 | |||||||
1756 | void *dummy; | |||||||
1757 | void **exit_runtime_p; | |||||||
1758 | ompt_task_info_t *task_info; | |||||||
1759 | ||||||||
1760 | ompt_lw_taskteam_t lw_taskteam; | |||||||
1761 | ||||||||
1762 | if (ompt_enabled.enabled) { | |||||||
1763 | __ompt_lw_taskteam_init(&lw_taskteam, master_th, gtid, | |||||||
1764 | &ompt_parallel_data, return_address); | |||||||
1765 | ||||||||
1766 | __ompt_lw_taskteam_link(&lw_taskteam, master_th, 0); | |||||||
1767 | // don't use lw_taskteam after linking. content was swaped | |||||||
1768 | ||||||||
1769 | task_info = OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info)); | |||||||
1770 | exit_runtime_p = &(task_info->frame.exit_frame); | |||||||
1771 | if (ompt_enabled.ompt_callback_implicit_task) { | |||||||
1772 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||||||
1773 | ompt_scope_begin, OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )), | |||||||
1774 | &(task_info->task_data), 1, __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1774)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid)); | |||||||
1775 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info)) | |||||||
1776 | ->thread_num = __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1776)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid); | |||||||
1777 | } | |||||||
1778 | ||||||||
1779 | /* OMPT state */ | |||||||
1780 | master_th->th.ompt_thread_info.state = omp_state_work_parallel; | |||||||
1781 | } else { | |||||||
1782 | exit_runtime_p = &dummy; | |||||||
1783 | } | |||||||
1784 | #endif | |||||||
1785 | ||||||||
1786 | { | |||||||
1787 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||||||
1788 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||||||
1789 | __kmp_invoke_microtask(microtask, gtid, 0, argc, | |||||||
1790 | parent_team->t.t_argv | |||||||
1791 | #if OMPT_SUPPORT1 | |||||||
1792 | , | |||||||
1793 | exit_runtime_p | |||||||
1794 | #endif | |||||||
1795 | ); | |||||||
1796 | } | |||||||
1797 | ||||||||
1798 | #if OMPT_SUPPORT1 | |||||||
1799 | if (ompt_enabled.enabled) { | |||||||
1800 | exit_runtime_p = NULL__null; | |||||||
1801 | if (ompt_enabled.ompt_callback_implicit_task) { | |||||||
1802 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||||||
1803 | ompt_scope_end, NULL__null, &(task_info->task_data), 1, | |||||||
1804 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num); | |||||||
1805 | } | |||||||
1806 | ||||||||
1807 | __ompt_lw_taskteam_unlink(master_th); | |||||||
1808 | if (ompt_enabled.ompt_callback_parallel_end) { | |||||||
1809 | ompt_callbacks.ompt_callback(ompt_callback_parallel_end)ompt_callback_parallel_end_callback( | |||||||
1810 | OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )), parent_task_data, | |||||||
1811 | OMPT_INVOKER(call_context)((call_context == fork_context_gnu) ? ompt_invoker_program : ompt_invoker_runtime ), return_address); | |||||||
1812 | } | |||||||
1813 | master_th->th.ompt_thread_info.state = omp_state_overhead; | |||||||
1814 | } | |||||||
1815 | #endif | |||||||
1816 | } else if (microtask == (microtask_t)__kmp_teams_master) { | |||||||
1817 | KMP_DEBUG_ASSERT(master_th->th.th_team ==((master_th->th.th_team == master_th->th.th_serial_team ) ? 0 : __kmp_debug_assert("master_th->th.th_team == master_th->th.th_serial_team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1818)) | |||||||
1818 | master_th->th.th_serial_team)((master_th->th.th_team == master_th->th.th_serial_team ) ? 0 : __kmp_debug_assert("master_th->th.th_team == master_th->th.th_serial_team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1818)); | |||||||
1819 | team = master_th->th.th_team; | |||||||
1820 | // team->t.t_pkfn = microtask; | |||||||
1821 | team->t.t_invoke = invoker; | |||||||
1822 | __kmp_alloc_argv_entries(argc, team, TRUE(!0)); | |||||||
1823 | team->t.t_argc = argc; | |||||||
1824 | argv = (void **)team->t.t_argv; | |||||||
1825 | if (ap) { | |||||||
1826 | for (i = argc - 1; i >= 0; --i) | |||||||
1827 | // TODO: revert workaround for Intel(R) 64 tracker #96 | |||||||
1828 | #if (KMP_ARCH_X86_641 || KMP_ARCH_ARM || KMP_ARCH_AARCH640) && KMP_OS_LINUX1 | |||||||
1829 | *argv++ = va_arg(*ap, void *)__builtin_va_arg(*ap, void *); | |||||||
1830 | #else | |||||||
1831 | *argv++ = va_arg(ap, void *)__builtin_va_arg(ap, void *); | |||||||
1832 | #endif | |||||||
1833 | } else { | |||||||
1834 | for (i = 0; i < argc; ++i) | |||||||
1835 | // Get args from parent team for teams construct | |||||||
1836 | argv[i] = parent_team->t.t_argv[i]; | |||||||
1837 | } | |||||||
1838 | // AC: revert change made in __kmpc_serialized_parallel() | |||||||
1839 | // because initial code in teams should have level=0 | |||||||
1840 | team->t.t_level--; | |||||||
1841 | // AC: call special invoker for outer "parallel" of teams construct | |||||||
1842 | { | |||||||
1843 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||||||
1844 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||||||
1845 | invoker(gtid); | |||||||
1846 | } | |||||||
1847 | } else { | |||||||
1848 | #endif /* OMP_40_ENABLED */ | |||||||
1849 | argv = args; | |||||||
1850 | for (i = argc - 1; i >= 0; --i) | |||||||
1851 | // TODO: revert workaround for Intel(R) 64 tracker #96 | |||||||
1852 | #if (KMP_ARCH_X86_641 || KMP_ARCH_ARM || KMP_ARCH_AARCH640) && KMP_OS_LINUX1 | |||||||
1853 | *argv++ = va_arg(*ap, void *)__builtin_va_arg(*ap, void *); | |||||||
1854 | #else | |||||||
1855 | *argv++ = va_arg(ap, void *)__builtin_va_arg(ap, void *); | |||||||
1856 | #endif | |||||||
1857 | KMP_MB(); | |||||||
1858 | ||||||||
1859 | #if OMPT_SUPPORT1 | |||||||
1860 | void *dummy; | |||||||
1861 | void **exit_runtime_p; | |||||||
1862 | ompt_task_info_t *task_info; | |||||||
1863 | ||||||||
1864 | ompt_lw_taskteam_t lw_taskteam; | |||||||
1865 | ||||||||
1866 | if (ompt_enabled.enabled) { | |||||||
1867 | __ompt_lw_taskteam_init(&lw_taskteam, master_th, gtid, | |||||||
1868 | &ompt_parallel_data, return_address); | |||||||
1869 | __ompt_lw_taskteam_link(&lw_taskteam, master_th, 0); | |||||||
1870 | // don't use lw_taskteam after linking. content was swaped | |||||||
1871 | task_info = OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info)); | |||||||
1872 | exit_runtime_p = &(task_info->frame.exit_frame); | |||||||
1873 | ||||||||
1874 | /* OMPT implicit task begin */ | |||||||
1875 | implicit_task_data = OMPT_CUR_TASK_DATA(master_th)(&(master_th->th.th_current_task->ompt_task_info.task_data )); | |||||||
1876 | if (ompt_enabled.ompt_callback_implicit_task) { | |||||||
1877 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||||||
1878 | ompt_scope_begin, OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )), | |||||||
1879 | implicit_task_data, 1, __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1879)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid)); | |||||||
1880 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info)) | |||||||
1881 | ->thread_num = __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1881)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid); | |||||||
1882 | } | |||||||
1883 | ||||||||
1884 | /* OMPT state */ | |||||||
1885 | master_th->th.ompt_thread_info.state = omp_state_work_parallel; | |||||||
1886 | } else { | |||||||
1887 | exit_runtime_p = &dummy; | |||||||
1888 | } | |||||||
1889 | #endif | |||||||
1890 | ||||||||
1891 | { | |||||||
1892 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||||||
1893 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||||||
1894 | __kmp_invoke_microtask(microtask, gtid, 0, argc, args | |||||||
1895 | #if OMPT_SUPPORT1 | |||||||
1896 | , | |||||||
1897 | exit_runtime_p | |||||||
1898 | #endif | |||||||
1899 | ); | |||||||
1900 | } | |||||||
1901 | ||||||||
1902 | #if OMPT_SUPPORT1 | |||||||
1903 | if (ompt_enabled.enabled) { | |||||||
1904 | *exit_runtime_p = NULL__null; | |||||||
1905 | if (ompt_enabled.ompt_callback_implicit_task) { | |||||||
1906 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||||||
1907 | ompt_scope_end, NULL__null, &(task_info->task_data), 1, | |||||||
1908 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num); | |||||||
1909 | } | |||||||
1910 | ||||||||
1911 | ompt_parallel_data = *OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )); | |||||||
1912 | __ompt_lw_taskteam_unlink(master_th); | |||||||
1913 | if (ompt_enabled.ompt_callback_parallel_end) { | |||||||
1914 | ompt_callbacks.ompt_callback(ompt_callback_parallel_end)ompt_callback_parallel_end_callback( | |||||||
1915 | &ompt_parallel_data, parent_task_data, | |||||||
1916 | OMPT_INVOKER(call_context)((call_context == fork_context_gnu) ? ompt_invoker_program : ompt_invoker_runtime ), return_address); | |||||||
1917 | } | |||||||
1918 | master_th->th.ompt_thread_info.state = omp_state_overhead; | |||||||
1919 | } | |||||||
1920 | #endif | |||||||
1921 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1922 | } | |||||||
1923 | #endif /* OMP_40_ENABLED */ | |||||||
1924 | } else if (call_context == fork_context_gnu) { | |||||||
1925 | #if OMPT_SUPPORT1 | |||||||
1926 | ompt_lw_taskteam_t lwt; | |||||||
1927 | __ompt_lw_taskteam_init(&lwt, master_th, gtid, &ompt_parallel_data, | |||||||
1928 | return_address); | |||||||
1929 | ||||||||
1930 | lwt.ompt_task_info.frame.exit_frame = NULL__null; | |||||||
1931 | __ompt_lw_taskteam_link(&lwt, master_th, 1); | |||||||
1932 | // don't use lw_taskteam after linking. content was swaped | |||||||
1933 | #endif | |||||||
1934 | ||||||||
1935 | // we were called from GNU native code | |||||||
1936 | KA_TRACE(20, ("__kmp_fork_call: T#%d serial exit\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d serial exit\n" , gtid); }; | |||||||
1937 | return FALSE0; | |||||||
1938 | } else { | |||||||
1939 | KMP_ASSERT2(call_context < fork_context_last,((call_context < fork_context_last) ? 0 : __kmp_debug_assert (("__kmp_fork_call: unknown fork_context parameter"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1940)) | |||||||
1940 | "__kmp_fork_call: unknown fork_context parameter")((call_context < fork_context_last) ? 0 : __kmp_debug_assert (("__kmp_fork_call: unknown fork_context parameter"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 1940)); | |||||||
1941 | } | |||||||
1942 | ||||||||
1943 | KA_TRACE(20, ("__kmp_fork_call: T#%d serial exit\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d serial exit\n" , gtid); }; | |||||||
1944 | KMP_MB(); | |||||||
1945 | return FALSE0; | |||||||
1946 | } | |||||||
1947 | ||||||||
1948 | // GEH: only modify the executing flag in the case when not serialized | |||||||
1949 | // serialized case is handled in kmpc_serialized_parallel | |||||||
1950 | KF_TRACE(10, ("__kmp_fork_call: parent_team_aclevel=%d, master_th=%p, "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: parent_team_aclevel=%d, master_th=%p, " "curtask=%p, curtask_max_aclevel=%d\n", parent_team->t.t_active_level , master_th, master_th->th.th_current_task, master_th-> th.th_current_task->td_icvs.max_active_levels); } | |||||||
1951 | "curtask=%p, curtask_max_aclevel=%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: parent_team_aclevel=%d, master_th=%p, " "curtask=%p, curtask_max_aclevel=%d\n", parent_team->t.t_active_level , master_th, master_th->th.th_current_task, master_th-> th.th_current_task->td_icvs.max_active_levels); } | |||||||
1952 | parent_team->t.t_active_level, master_th,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: parent_team_aclevel=%d, master_th=%p, " "curtask=%p, curtask_max_aclevel=%d\n", parent_team->t.t_active_level , master_th, master_th->th.th_current_task, master_th-> th.th_current_task->td_icvs.max_active_levels); } | |||||||
1953 | master_th->th.th_current_task,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: parent_team_aclevel=%d, master_th=%p, " "curtask=%p, curtask_max_aclevel=%d\n", parent_team->t.t_active_level , master_th, master_th->th.th_current_task, master_th-> th.th_current_task->td_icvs.max_active_levels); } | |||||||
1954 | master_th->th.th_current_task->td_icvs.max_active_levels))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: parent_team_aclevel=%d, master_th=%p, " "curtask=%p, curtask_max_aclevel=%d\n", parent_team->t.t_active_level , master_th, master_th->th.th_current_task, master_th-> th.th_current_task->td_icvs.max_active_levels); }; | |||||||
1955 | // TODO: GEH - cannot do this assertion because root thread not set up as | |||||||
1956 | // executing | |||||||
1957 | // KMP_ASSERT( master_th->th.th_current_task->td_flags.executing == 1 ); | |||||||
1958 | master_th->th.th_current_task->td_flags.executing = 0; | |||||||
1959 | ||||||||
1960 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1961 | if (!master_th->th.th_teams_microtask || level > teams_level) | |||||||
1962 | #endif /* OMP_40_ENABLED */ | |||||||
1963 | { | |||||||
1964 | /* Increment our nested depth level */ | |||||||
1965 | KMP_ATOMIC_INC(&root->r.r_in_parallel)(&root->r.r_in_parallel)->fetch_add(1, std::memory_order_acq_rel ); | |||||||
1966 | } | |||||||
1967 | ||||||||
1968 | // See if we need to make a copy of the ICVs. | |||||||
1969 | int nthreads_icv = master_th->th.th_current_task->td_icvs.nproc; | |||||||
1970 | if ((level + 1 < __kmp_nested_nth.used) && | |||||||
1971 | (__kmp_nested_nth.nth[level + 1] != nthreads_icv)) { | |||||||
1972 | nthreads_icv = __kmp_nested_nth.nth[level + 1]; | |||||||
1973 | } else { | |||||||
1974 | nthreads_icv = 0; // don't update | |||||||
1975 | } | |||||||
1976 | ||||||||
1977 | #if OMP_40_ENABLED(50 >= 40) | |||||||
1978 | // Figure out the proc_bind_policy for the new team. | |||||||
1979 | kmp_proc_bind_t proc_bind = master_th->th.th_set_proc_bind; | |||||||
1980 | kmp_proc_bind_t proc_bind_icv = | |||||||
1981 | proc_bind_default; // proc_bind_default means don't update | |||||||
1982 | if (master_th->th.th_current_task->td_icvs.proc_bind == proc_bind_false) { | |||||||
1983 | proc_bind = proc_bind_false; | |||||||
1984 | } else { | |||||||
1985 | if (proc_bind == proc_bind_default) { | |||||||
1986 | // No proc_bind clause specified; use current proc-bind-var for this | |||||||
1987 | // parallel region | |||||||
1988 | proc_bind = master_th->th.th_current_task->td_icvs.proc_bind; | |||||||
1989 | } | |||||||
1990 | /* else: The proc_bind policy was specified explicitly on parallel clause. | |||||||
1991 | This overrides proc-bind-var for this parallel region, but does not | |||||||
1992 | change proc-bind-var. */ | |||||||
1993 | // Figure the value of proc-bind-var for the child threads. | |||||||
1994 | if ((level + 1 < __kmp_nested_proc_bind.used) && | |||||||
1995 | (__kmp_nested_proc_bind.bind_types[level + 1] != | |||||||
1996 | master_th->th.th_current_task->td_icvs.proc_bind)) { | |||||||
1997 | proc_bind_icv = __kmp_nested_proc_bind.bind_types[level + 1]; | |||||||
1998 | } | |||||||
1999 | } | |||||||
2000 | ||||||||
2001 | // Reset for next parallel region | |||||||
2002 | master_th->th.th_set_proc_bind = proc_bind_default; | |||||||
2003 | #endif /* OMP_40_ENABLED */ | |||||||
2004 | ||||||||
2005 | if ((nthreads_icv > 0) | |||||||
2006 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2007 | || (proc_bind_icv != proc_bind_default) | |||||||
2008 | #endif /* OMP_40_ENABLED */ | |||||||
2009 | ) { | |||||||
2010 | kmp_internal_control_t new_icvs; | |||||||
2011 | copy_icvs(&new_icvs, &master_th->th.th_current_task->td_icvs); | |||||||
2012 | new_icvs.next = NULL__null; | |||||||
2013 | if (nthreads_icv > 0) { | |||||||
2014 | new_icvs.nproc = nthreads_icv; | |||||||
2015 | } | |||||||
2016 | ||||||||
2017 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2018 | if (proc_bind_icv != proc_bind_default) { | |||||||
2019 | new_icvs.proc_bind = proc_bind_icv; | |||||||
2020 | } | |||||||
2021 | #endif /* OMP_40_ENABLED */ | |||||||
2022 | ||||||||
2023 | /* allocate a new parallel team */ | |||||||
2024 | KF_TRACE(10, ("__kmp_fork_call: before __kmp_allocate_team\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: before __kmp_allocate_team\n" ); }; | |||||||
2025 | team = __kmp_allocate_team(root, nthreads, nthreads, | |||||||
2026 | #if OMPT_SUPPORT1 | |||||||
2027 | ompt_parallel_data, | |||||||
2028 | #endif | |||||||
2029 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2030 | proc_bind, | |||||||
2031 | #endif | |||||||
2032 | &new_icvs, argc USE_NESTED_HOT_ARG(master_th), master_th); | |||||||
2033 | } else { | |||||||
2034 | /* allocate a new parallel team */ | |||||||
2035 | KF_TRACE(10, ("__kmp_fork_call: before __kmp_allocate_team\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: before __kmp_allocate_team\n" ); }; | |||||||
2036 | team = __kmp_allocate_team(root, nthreads, nthreads, | |||||||
2037 | #if OMPT_SUPPORT1 | |||||||
2038 | ompt_parallel_data, | |||||||
2039 | #endif | |||||||
2040 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2041 | proc_bind, | |||||||
2042 | #endif | |||||||
2043 | &master_th->th.th_current_task->td_icvs, | |||||||
2044 | argc USE_NESTED_HOT_ARG(master_th), master_th); | |||||||
2045 | } | |||||||
2046 | KF_TRACE(if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: after __kmp_allocate_team - team = %p\n" , team); } | |||||||
2047 | 10, ("__kmp_fork_call: after __kmp_allocate_team - team = %p\n", team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: after __kmp_allocate_team - team = %p\n" , team); }; | |||||||
2048 | ||||||||
2049 | /* setup the new team */ | |||||||
2050 | KMP_CHECK_UPDATE(team->t.t_master_tid, master_tid)if ((team->t.t_master_tid) != (master_tid)) (team->t.t_master_tid ) = (master_tid); | |||||||
2051 | KMP_CHECK_UPDATE(team->t.t_master_this_cons, master_this_cons)if ((team->t.t_master_this_cons) != (master_this_cons)) (team ->t.t_master_this_cons) = (master_this_cons); | |||||||
2052 | KMP_CHECK_UPDATE(team->t.t_ident, loc)if ((team->t.t_ident) != (loc)) (team->t.t_ident) = (loc ); | |||||||
2053 | KMP_CHECK_UPDATE(team->t.t_parent, parent_team)if ((team->t.t_parent) != (parent_team)) (team->t.t_parent ) = (parent_team); | |||||||
2054 | KMP_CHECK_UPDATE_SYNC(team->t.t_pkfn, microtask)if ((team->t.t_pkfn) != (microtask)) (((team->t.t_pkfn) )) = (((microtask))); | |||||||
2055 | #if OMPT_SUPPORT1 | |||||||
2056 | KMP_CHECK_UPDATE_SYNC(team->t.ompt_team_info.master_return_address,if ((team->t.ompt_team_info.master_return_address) != (return_address )) (((team->t.ompt_team_info.master_return_address))) = (( (return_address))) | |||||||
2057 | return_address)if ((team->t.ompt_team_info.master_return_address) != (return_address )) (((team->t.ompt_team_info.master_return_address))) = (( (return_address))); | |||||||
2058 | #endif | |||||||
2059 | KMP_CHECK_UPDATE(team->t.t_invoke, invoker)if ((team->t.t_invoke) != (invoker)) (team->t.t_invoke) = (invoker); // TODO move to root, maybe | |||||||
2060 | // TODO: parent_team->t.t_level == INT_MAX ??? | |||||||
2061 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2062 | if (!master_th->th.th_teams_microtask || level > teams_level) { | |||||||
2063 | #endif /* OMP_40_ENABLED */ | |||||||
2064 | int new_level = parent_team->t.t_level + 1; | |||||||
2065 | KMP_CHECK_UPDATE(team->t.t_level, new_level)if ((team->t.t_level) != (new_level)) (team->t.t_level) = (new_level); | |||||||
2066 | new_level = parent_team->t.t_active_level + 1; | |||||||
2067 | KMP_CHECK_UPDATE(team->t.t_active_level, new_level)if ((team->t.t_active_level) != (new_level)) (team->t.t_active_level ) = (new_level); | |||||||
2068 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2069 | } else { | |||||||
2070 | // AC: Do not increase parallel level at start of the teams construct | |||||||
2071 | int new_level = parent_team->t.t_level; | |||||||
2072 | KMP_CHECK_UPDATE(team->t.t_level, new_level)if ((team->t.t_level) != (new_level)) (team->t.t_level) = (new_level); | |||||||
2073 | new_level = parent_team->t.t_active_level; | |||||||
2074 | KMP_CHECK_UPDATE(team->t.t_active_level, new_level)if ((team->t.t_active_level) != (new_level)) (team->t.t_active_level ) = (new_level); | |||||||
2075 | } | |||||||
2076 | #endif /* OMP_40_ENABLED */ | |||||||
2077 | kmp_r_sched_t new_sched = get__sched_2(parent_team, master_tid)((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.sched); | |||||||
2078 | // set master's schedule as new run-time schedule | |||||||
2079 | KMP_CHECK_UPDATE(team->t.t_sched.sched, new_sched.sched)if ((team->t.t_sched.sched) != (new_sched.sched)) (team-> t.t_sched.sched) = (new_sched.sched); | |||||||
2080 | ||||||||
2081 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2082 | KMP_CHECK_UPDATE(team->t.t_cancel_request, cancel_noreq)if ((team->t.t_cancel_request) != (cancel_noreq)) (team-> t.t_cancel_request) = (cancel_noreq); | |||||||
2083 | #endif | |||||||
2084 | ||||||||
2085 | // Update the floating point rounding in the team if required. | |||||||
2086 | propagateFPControl(team); | |||||||
2087 | ||||||||
2088 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
2089 | // Set master's task team to team's task team. Unless this is hot team, it | |||||||
2090 | // should be NULL. | |||||||
2091 | KMP_DEBUG_ASSERT(master_th->th.th_task_team ==((master_th->th.th_task_team == parent_team->t.t_task_team [master_th->th.th_task_state]) ? 0 : __kmp_debug_assert("master_th->th.th_task_team == parent_team->t.t_task_team[master_th->th.th_task_state]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2092)) | |||||||
2092 | parent_team->t.t_task_team[master_th->th.th_task_state])((master_th->th.th_task_team == parent_team->t.t_task_team [master_th->th.th_task_state]) ? 0 : __kmp_debug_assert("master_th->th.th_task_team == parent_team->t.t_task_team[master_th->th.th_task_state]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2092)); | |||||||
2093 | KA_TRACE(20, ("__kmp_fork_call: Master T#%d pushing task_team %p / team "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: Master T#%d pushing task_team %p / team " "%p, new task_team %p / team %p\n", ((((master_th) != __null ) ? 0 : __kmp_debug_assert("(master_th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2095)), (master_th)->th.th_info.ds.ds_gtid), master_th-> th.th_task_team, parent_team, team->t.t_task_team[master_th ->th.th_task_state], team); } | |||||||
2094 | "%p, new task_team %p / team %p\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: Master T#%d pushing task_team %p / team " "%p, new task_team %p / team %p\n", ((((master_th) != __null ) ? 0 : __kmp_debug_assert("(master_th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2095)), (master_th)->th.th_info.ds.ds_gtid), master_th-> th.th_task_team, parent_team, team->t.t_task_team[master_th ->th.th_task_state], team); } | |||||||
2095 | __kmp_gtid_from_thread(master_th),if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: Master T#%d pushing task_team %p / team " "%p, new task_team %p / team %p\n", ((((master_th) != __null ) ? 0 : __kmp_debug_assert("(master_th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2095)), (master_th)->th.th_info.ds.ds_gtid), master_th-> th.th_task_team, parent_team, team->t.t_task_team[master_th ->th.th_task_state], team); } | |||||||
2096 | master_th->th.th_task_team, parent_team,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: Master T#%d pushing task_team %p / team " "%p, new task_team %p / team %p\n", ((((master_th) != __null ) ? 0 : __kmp_debug_assert("(master_th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2095)), (master_th)->th.th_info.ds.ds_gtid), master_th-> th.th_task_team, parent_team, team->t.t_task_team[master_th ->th.th_task_state], team); } | |||||||
2097 | team->t.t_task_team[master_th->th.th_task_state], team))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: Master T#%d pushing task_team %p / team " "%p, new task_team %p / team %p\n", ((((master_th) != __null ) ? 0 : __kmp_debug_assert("(master_th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2095)), (master_th)->th.th_info.ds.ds_gtid), master_th-> th.th_task_team, parent_team, team->t.t_task_team[master_th ->th.th_task_state], team); }; | |||||||
2098 | ||||||||
2099 | if (active_level || master_th->th.th_task_team) { | |||||||
2100 | // Take a memo of master's task_state | |||||||
2101 | KMP_DEBUG_ASSERT(master_th->th.th_task_state_memo_stack)((master_th->th.th_task_state_memo_stack) ? 0 : __kmp_debug_assert ("master_th->th.th_task_state_memo_stack", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2101)); | |||||||
2102 | if (master_th->th.th_task_state_top >= | |||||||
2103 | master_th->th.th_task_state_stack_sz) { // increase size | |||||||
2104 | kmp_uint32 new_size = 2 * master_th->th.th_task_state_stack_sz; | |||||||
2105 | kmp_uint8 *old_stack, *new_stack; | |||||||
2106 | kmp_uint32 i; | |||||||
2107 | new_stack = (kmp_uint8 *)__kmp_allocate(new_size)___kmp_allocate((new_size), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2107); | |||||||
2108 | for (i = 0; i < master_th->th.th_task_state_stack_sz; ++i) { | |||||||
2109 | new_stack[i] = master_th->th.th_task_state_memo_stack[i]; | |||||||
2110 | } | |||||||
2111 | for (i = master_th->th.th_task_state_stack_sz; i < new_size; | |||||||
2112 | ++i) { // zero-init rest of stack | |||||||
2113 | new_stack[i] = 0; | |||||||
2114 | } | |||||||
2115 | old_stack = master_th->th.th_task_state_memo_stack; | |||||||
2116 | master_th->th.th_task_state_memo_stack = new_stack; | |||||||
2117 | master_th->th.th_task_state_stack_sz = new_size; | |||||||
2118 | __kmp_free(old_stack)___kmp_free((old_stack), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2118); | |||||||
2119 | } | |||||||
2120 | // Store master's task_state on stack | |||||||
2121 | master_th->th | |||||||
2122 | .th_task_state_memo_stack[master_th->th.th_task_state_top] = | |||||||
2123 | master_th->th.th_task_state; | |||||||
2124 | master_th->th.th_task_state_top++; | |||||||
2125 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
2126 | if (team == master_th->th.th_hot_teams[active_level].hot_team) { | |||||||
2127 | // Restore master's nested state if nested hot team | |||||||
2128 | master_th->th.th_task_state = | |||||||
2129 | master_th->th | |||||||
2130 | .th_task_state_memo_stack[master_th->th.th_task_state_top]; | |||||||
2131 | } else { | |||||||
2132 | #endif | |||||||
2133 | master_th->th.th_task_state = 0; | |||||||
2134 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
2135 | } | |||||||
2136 | #endif | |||||||
2137 | } | |||||||
2138 | #if !KMP_NESTED_HOT_TEAMS1 | |||||||
2139 | KMP_DEBUG_ASSERT((master_th->th.th_task_team == NULL) ||(((master_th->th.th_task_team == __null) || (team == root-> r.r_hot_team)) ? 0 : __kmp_debug_assert("(master_th->th.th_task_team == __null) || (team == root->r.r_hot_team)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2140)) | |||||||
2140 | (team == root->r.r_hot_team))(((master_th->th.th_task_team == __null) || (team == root-> r.r_hot_team)) ? 0 : __kmp_debug_assert("(master_th->th.th_task_team == __null) || (team == root->r.r_hot_team)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2140)); | |||||||
2141 | #endif | |||||||
2142 | } | |||||||
2143 | ||||||||
2144 | KA_TRACE(if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:%d)->(%d:0) created a team of %d threads\n" , gtid, parent_team->t.t_id, team->t.t_master_tid, team ->t.t_id, team->t.t_nproc); } | |||||||
2145 | 20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:%d)->(%d:0) created a team of %d threads\n" , gtid, parent_team->t.t_id, team->t.t_master_tid, team ->t.t_id, team->t.t_nproc); } | |||||||
2146 | ("__kmp_fork_call: T#%d(%d:%d)->(%d:0) created a team of %d threads\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:%d)->(%d:0) created a team of %d threads\n" , gtid, parent_team->t.t_id, team->t.t_master_tid, team ->t.t_id, team->t.t_nproc); } | |||||||
2147 | gtid, parent_team->t.t_id, team->t.t_master_tid, team->t.t_id,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:%d)->(%d:0) created a team of %d threads\n" , gtid, parent_team->t.t_id, team->t.t_master_tid, team ->t.t_id, team->t.t_nproc); } | |||||||
2148 | team->t.t_nproc))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:%d)->(%d:0) created a team of %d threads\n" , gtid, parent_team->t.t_id, team->t.t_master_tid, team ->t.t_id, team->t.t_nproc); }; | |||||||
2149 | KMP_DEBUG_ASSERT(team != root->r.r_hot_team ||((team != root->r.r_hot_team || (team->t.t_master_tid == 0 && (team->t.t_parent == root->r.r_root_team || team->t.t_parent->t.t_serialized))) ? 0 : __kmp_debug_assert ("team != root->r.r_hot_team || (team->t.t_master_tid == 0 && (team->t.t_parent == root->r.r_root_team || team->t.t_parent->t.t_serialized))" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2152)) | |||||||
2150 | (team->t.t_master_tid == 0 &&((team != root->r.r_hot_team || (team->t.t_master_tid == 0 && (team->t.t_parent == root->r.r_root_team || team->t.t_parent->t.t_serialized))) ? 0 : __kmp_debug_assert ("team != root->r.r_hot_team || (team->t.t_master_tid == 0 && (team->t.t_parent == root->r.r_root_team || team->t.t_parent->t.t_serialized))" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2152)) | |||||||
2151 | (team->t.t_parent == root->r.r_root_team ||((team != root->r.r_hot_team || (team->t.t_master_tid == 0 && (team->t.t_parent == root->r.r_root_team || team->t.t_parent->t.t_serialized))) ? 0 : __kmp_debug_assert ("team != root->r.r_hot_team || (team->t.t_master_tid == 0 && (team->t.t_parent == root->r.r_root_team || team->t.t_parent->t.t_serialized))" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2152)) | |||||||
2152 | team->t.t_parent->t.t_serialized)))((team != root->r.r_hot_team || (team->t.t_master_tid == 0 && (team->t.t_parent == root->r.r_root_team || team->t.t_parent->t.t_serialized))) ? 0 : __kmp_debug_assert ("team != root->r.r_hot_team || (team->t.t_master_tid == 0 && (team->t.t_parent == root->r.r_root_team || team->t.t_parent->t.t_serialized))" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2152)); | |||||||
2153 | KMP_MB(); | |||||||
2154 | ||||||||
2155 | /* now, setup the arguments */ | |||||||
2156 | argv = (void **)team->t.t_argv; | |||||||
2157 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2158 | if (ap) { | |||||||
2159 | #endif /* OMP_40_ENABLED */ | |||||||
2160 | for (i = argc - 1; i >= 0; --i) { | |||||||
2161 | // TODO: revert workaround for Intel(R) 64 tracker #96 | |||||||
2162 | #if (KMP_ARCH_X86_641 || KMP_ARCH_ARM || KMP_ARCH_AARCH640) && KMP_OS_LINUX1 | |||||||
2163 | void *new_argv = va_arg(*ap, void *)__builtin_va_arg(*ap, void *); | |||||||
2164 | #else | |||||||
2165 | void *new_argv = va_arg(ap, void *)__builtin_va_arg(ap, void *); | |||||||
2166 | #endif | |||||||
2167 | KMP_CHECK_UPDATE(*argv, new_argv)if ((*argv) != (new_argv)) (*argv) = (new_argv); | |||||||
2168 | argv++; | |||||||
2169 | } | |||||||
2170 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2171 | } else { | |||||||
2172 | for (i = 0; i < argc; ++i) { | |||||||
2173 | // Get args from parent team for teams construct | |||||||
2174 | KMP_CHECK_UPDATE(argv[i], team->t.t_parent->t.t_argv[i])if ((argv[i]) != (team->t.t_parent->t.t_argv[i])) (argv [i]) = (team->t.t_parent->t.t_argv[i]); | |||||||
2175 | } | |||||||
2176 | } | |||||||
2177 | #endif /* OMP_40_ENABLED */ | |||||||
2178 | ||||||||
2179 | /* now actually fork the threads */ | |||||||
2180 | KMP_CHECK_UPDATE(team->t.t_master_active, master_active)if ((team->t.t_master_active) != (master_active)) (team-> t.t_master_active) = (master_active); | |||||||
2181 | if (!root->r.r_active) // Only do assignment if it prevents cache ping-pong | |||||||
2182 | root->r.r_active = TRUE(!0); | |||||||
2183 | ||||||||
2184 | __kmp_fork_team_threads(root, team, master_th, gtid); | |||||||
2185 | __kmp_setup_icv_copy(team, nthreads, | |||||||
2186 | &master_th->th.th_current_task->td_icvs, loc); | |||||||
2187 | ||||||||
2188 | #if OMPT_SUPPORT1 | |||||||
2189 | master_th->th.ompt_thread_info.state = omp_state_work_parallel; | |||||||
2190 | #endif | |||||||
2191 | ||||||||
2192 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
2193 | ||||||||
2194 | #if USE_ITT_BUILD1 | |||||||
2195 | if (team->t.t_active_level == 1 // only report frames at level 1 | |||||||
2196 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2197 | && !master_th->th.th_teams_microtask // not in teams construct | |||||||
2198 | #endif /* OMP_40_ENABLED */ | |||||||
2199 | ) { | |||||||
2200 | #if USE_ITT_NOTIFY1 | |||||||
2201 | if ((__itt_frame_submit_v3_ptr__kmp_itt_frame_submit_v3_ptr__3_0 || KMP_ITT_DEBUG0) && | |||||||
2202 | (__kmp_forkjoin_frames_mode == 3 || | |||||||
2203 | __kmp_forkjoin_frames_mode == 1)) { | |||||||
2204 | kmp_uint64 tmp_time = 0; | |||||||
2205 | if (__itt_get_timestamp_ptr__kmp_itt_get_timestamp_ptr__3_0) | |||||||
2206 | tmp_time = __itt_get_timestamp(!__kmp_itt_get_timestamp_ptr__3_0) ? 0 : __kmp_itt_get_timestamp_ptr__3_0(); | |||||||
2207 | // Internal fork - report frame begin | |||||||
2208 | master_th->th.th_frame_time = tmp_time; | |||||||
2209 | if (__kmp_forkjoin_frames_mode == 3) | |||||||
2210 | team->t.t_region_time = tmp_time; | |||||||
2211 | } else | |||||||
2212 | // only one notification scheme (either "submit" or "forking/joined", not both) | |||||||
2213 | #endif /* USE_ITT_NOTIFY */ | |||||||
2214 | if ((__itt_frame_begin_v3_ptr__kmp_itt_frame_begin_v3_ptr__3_0 || KMP_ITT_DEBUG0) && | |||||||
2215 | __kmp_forkjoin_frames && !__kmp_forkjoin_frames_mode) { | |||||||
2216 | // Mark start of "parallel" region for Intel(R) VTune(TM) analyzer. | |||||||
2217 | __kmp_itt_region_forking(gtid, team->t.t_nproc, 0); | |||||||
2218 | } | |||||||
2219 | } | |||||||
2220 | #endif /* USE_ITT_BUILD */ | |||||||
2221 | ||||||||
2222 | /* now go on and do the work */ | |||||||
2223 | KMP_DEBUG_ASSERT(team == __kmp_threads[gtid]->th.th_team)((team == __kmp_threads[gtid]->th.th_team) ? 0 : __kmp_debug_assert ("team == __kmp_threads[gtid]->th.th_team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2223)); | |||||||
2224 | KMP_MB(); | |||||||
2225 | KF_TRACE(10,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_internal_fork : root=%p, team=%p, master_th=%p, gtid=%d\n" , root, team, master_th, gtid); } | |||||||
2226 | ("__kmp_internal_fork : root=%p, team=%p, master_th=%p, gtid=%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_internal_fork : root=%p, team=%p, master_th=%p, gtid=%d\n" , root, team, master_th, gtid); } | |||||||
2227 | root, team, master_th, gtid))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_internal_fork : root=%p, team=%p, master_th=%p, gtid=%d\n" , root, team, master_th, gtid); }; | |||||||
2228 | ||||||||
2229 | #if USE_ITT_BUILD1 | |||||||
2230 | if (__itt_stack_caller_create_ptr__kmp_itt_stack_caller_create_ptr__3_0) { | |||||||
2231 | team->t.t_stack_id = | |||||||
2232 | __kmp_itt_stack_caller_create(); // create new stack stitching id | |||||||
2233 | // before entering fork barrier | |||||||
2234 | } | |||||||
2235 | #endif /* USE_ITT_BUILD */ | |||||||
2236 | ||||||||
2237 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2238 | // AC: skip __kmp_internal_fork at teams construct, let only master | |||||||
2239 | // threads execute | |||||||
2240 | if (ap) | |||||||
2241 | #endif /* OMP_40_ENABLED */ | |||||||
2242 | { | |||||||
2243 | __kmp_internal_fork(loc, gtid, team); | |||||||
2244 | KF_TRACE(10, ("__kmp_internal_fork : after : root=%p, team=%p, "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_internal_fork : after : root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, team, master_th, gtid); } | |||||||
2245 | "master_th=%p, gtid=%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_internal_fork : after : root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, team, master_th, gtid); } | |||||||
2246 | root, team, master_th, gtid))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_internal_fork : after : root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, team, master_th, gtid); }; | |||||||
2247 | } | |||||||
2248 | ||||||||
2249 | if (call_context == fork_context_gnu) { | |||||||
2250 | KA_TRACE(20, ("__kmp_fork_call: parallel exit T#%d\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: parallel exit T#%d\n" , gtid); }; | |||||||
2251 | return TRUE(!0); | |||||||
2252 | } | |||||||
2253 | ||||||||
2254 | /* Invoke microtask for MASTER thread */ | |||||||
2255 | KA_TRACE(20, ("__kmp_fork_call: T#%d(%d:0) invoke microtask = %p\n", gtid,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:0) invoke microtask = %p\n" , gtid, team->t.t_id, team->t.t_pkfn); } | |||||||
2256 | team->t.t_id, team->t.t_pkfn))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:0) invoke microtask = %p\n" , gtid, team->t.t_id, team->t.t_pkfn); }; | |||||||
2257 | } // END of timer KMP_fork_call block | |||||||
2258 | ||||||||
2259 | { | |||||||
2260 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||||||
2261 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||||||
2262 | if (!team->t.t_invoke(gtid)) { | |||||||
2263 | KMP_ASSERT2(0, "cannot invoke microtask for MASTER thread")((0) ? 0 : __kmp_debug_assert(("cannot invoke microtask for MASTER thread" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2263)); | |||||||
2264 | } | |||||||
2265 | } | |||||||
2266 | KA_TRACE(20, ("__kmp_fork_call: T#%d(%d:0) done microtask = %p\n", gtid,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:0) done microtask = %p\n" , gtid, team->t.t_id, team->t.t_pkfn); } | |||||||
2267 | team->t.t_id, team->t.t_pkfn))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: T#%d(%d:0) done microtask = %p\n" , gtid, team->t.t_id, team->t.t_pkfn); }; | |||||||
2268 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
2269 | ||||||||
2270 | KA_TRACE(20, ("__kmp_fork_call: parallel exit T#%d\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: parallel exit T#%d\n" , gtid); }; | |||||||
2271 | ||||||||
2272 | #if OMPT_SUPPORT1 | |||||||
2273 | if (ompt_enabled.enabled) { | |||||||
2274 | master_th->th.ompt_thread_info.state = omp_state_overhead; | |||||||
2275 | } | |||||||
2276 | #endif | |||||||
2277 | ||||||||
2278 | return TRUE(!0); | |||||||
2279 | } | |||||||
2280 | ||||||||
2281 | #if OMPT_SUPPORT1 | |||||||
2282 | static inline void __kmp_join_restore_state(kmp_info_t *thread, | |||||||
2283 | kmp_team_t *team) { | |||||||
2284 | // restore state outside the region | |||||||
2285 | thread->th.ompt_thread_info.state = | |||||||
2286 | ((team->t.t_serialized) ? omp_state_work_serial | |||||||
2287 | : omp_state_work_parallel); | |||||||
2288 | } | |||||||
2289 | ||||||||
2290 | static inline void __kmp_join_ompt(int gtid, kmp_info_t *thread, | |||||||
2291 | kmp_team_t *team, ompt_data_t *parallel_data, | |||||||
2292 | fork_context_e fork_context, void *codeptr) { | |||||||
2293 | ompt_task_info_t *task_info = __ompt_get_task_info_object(0); | |||||||
2294 | if (ompt_enabled.ompt_callback_parallel_end) { | |||||||
2295 | ompt_callbacks.ompt_callback(ompt_callback_parallel_end)ompt_callback_parallel_end_callback( | |||||||
2296 | parallel_data, &(task_info->task_data), OMPT_INVOKER(fork_context)((fork_context == fork_context_gnu) ? ompt_invoker_program : ompt_invoker_runtime ), | |||||||
2297 | codeptr); | |||||||
2298 | } | |||||||
2299 | ||||||||
2300 | task_info->frame.enter_frame = NULL__null; | |||||||
2301 | __kmp_join_restore_state(thread, team); | |||||||
2302 | } | |||||||
2303 | #endif | |||||||
2304 | ||||||||
2305 | void __kmp_join_call(ident_t *loc, int gtid | |||||||
2306 | #if OMPT_SUPPORT1 | |||||||
2307 | , | |||||||
2308 | enum fork_context_e fork_context | |||||||
2309 | #endif | |||||||
2310 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2311 | , | |||||||
2312 | int exit_teams | |||||||
2313 | #endif /* OMP_40_ENABLED */ | |||||||
2314 | ) { | |||||||
2315 | KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(KMP_join_call)((void)0); | |||||||
2316 | kmp_team_t *team; | |||||||
2317 | kmp_team_t *parent_team; | |||||||
2318 | kmp_info_t *master_th; | |||||||
2319 | kmp_root_t *root; | |||||||
2320 | int master_active; | |||||||
2321 | int i; | |||||||
2322 | ||||||||
2323 | KA_TRACE(20, ("__kmp_join_call: enter T#%d\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: enter T#%d\n" , gtid); }; | |||||||
2324 | ||||||||
2325 | /* setup current data */ | |||||||
2326 | master_th = __kmp_threads[gtid]; | |||||||
2327 | root = master_th->th.th_root; | |||||||
2328 | team = master_th->th.th_team; | |||||||
2329 | parent_team = team->t.t_parent; | |||||||
2330 | ||||||||
2331 | master_th->th.th_ident = loc; | |||||||
2332 | ||||||||
2333 | #if OMPT_SUPPORT1 | |||||||
2334 | if (ompt_enabled.enabled) { | |||||||
2335 | master_th->th.ompt_thread_info.state = omp_state_overhead; | |||||||
2336 | } | |||||||
2337 | #endif | |||||||
2338 | ||||||||
2339 | #if KMP_DEBUG1 | |||||||
2340 | if (__kmp_tasking_mode != tskm_immediate_exec && !exit_teams) { | |||||||
2341 | KA_TRACE(20, ("__kmp_join_call: T#%d, old team = %p old task_team = %p, "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: T#%d, old team = %p old task_team = %p, " "th_task_team = %p\n", ((((master_th) != __null) ? 0 : __kmp_debug_assert ("(master_th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2343)), (master_th)->th.th_info.ds.ds_gtid), team, team-> t.t_task_team[master_th->th.th_task_state], master_th-> th.th_task_team); } | |||||||
2342 | "th_task_team = %p\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: T#%d, old team = %p old task_team = %p, " "th_task_team = %p\n", ((((master_th) != __null) ? 0 : __kmp_debug_assert ("(master_th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2343)), (master_th)->th.th_info.ds.ds_gtid), team, team-> t.t_task_team[master_th->th.th_task_state], master_th-> th.th_task_team); } | |||||||
2343 | __kmp_gtid_from_thread(master_th), team,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: T#%d, old team = %p old task_team = %p, " "th_task_team = %p\n", ((((master_th) != __null) ? 0 : __kmp_debug_assert ("(master_th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2343)), (master_th)->th.th_info.ds.ds_gtid), team, team-> t.t_task_team[master_th->th.th_task_state], master_th-> th.th_task_team); } | |||||||
2344 | team->t.t_task_team[master_th->th.th_task_state],if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: T#%d, old team = %p old task_team = %p, " "th_task_team = %p\n", ((((master_th) != __null) ? 0 : __kmp_debug_assert ("(master_th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2343)), (master_th)->th.th_info.ds.ds_gtid), team, team-> t.t_task_team[master_th->th.th_task_state], master_th-> th.th_task_team); } | |||||||
2345 | master_th->th.th_task_team))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: T#%d, old team = %p old task_team = %p, " "th_task_team = %p\n", ((((master_th) != __null) ? 0 : __kmp_debug_assert ("(master_th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2343)), (master_th)->th.th_info.ds.ds_gtid), team, team-> t.t_task_team[master_th->th.th_task_state], master_th-> th.th_task_team); }; | |||||||
2346 | KMP_DEBUG_ASSERT(master_th->th.th_task_team ==((master_th->th.th_task_team == team->t.t_task_team[master_th ->th.th_task_state]) ? 0 : __kmp_debug_assert("master_th->th.th_task_team == team->t.t_task_team[master_th->th.th_task_state]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2347)) | |||||||
2347 | team->t.t_task_team[master_th->th.th_task_state])((master_th->th.th_task_team == team->t.t_task_team[master_th ->th.th_task_state]) ? 0 : __kmp_debug_assert("master_th->th.th_task_team == team->t.t_task_team[master_th->th.th_task_state]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2347)); | |||||||
2348 | } | |||||||
2349 | #endif | |||||||
2350 | ||||||||
2351 | if (team->t.t_serialized) { | |||||||
2352 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2353 | if (master_th->th.th_teams_microtask) { | |||||||
2354 | // We are in teams construct | |||||||
2355 | int level = team->t.t_level; | |||||||
2356 | int tlevel = master_th->th.th_teams_level; | |||||||
2357 | if (level == tlevel) { | |||||||
2358 | // AC: we haven't incremented it earlier at start of teams construct, | |||||||
2359 | // so do it here - at the end of teams construct | |||||||
2360 | team->t.t_level++; | |||||||
2361 | } else if (level == tlevel + 1) { | |||||||
2362 | // AC: we are exiting parallel inside teams, need to increment | |||||||
2363 | // serialization in order to restore it in the next call to | |||||||
2364 | // __kmpc_end_serialized_parallel | |||||||
2365 | team->t.t_serialized++; | |||||||
2366 | } | |||||||
2367 | } | |||||||
2368 | #endif /* OMP_40_ENABLED */ | |||||||
2369 | __kmpc_end_serialized_parallel(loc, gtid); | |||||||
2370 | ||||||||
2371 | #if OMPT_SUPPORT1 | |||||||
2372 | if (ompt_enabled.enabled) { | |||||||
2373 | __kmp_join_restore_state(master_th, parent_team); | |||||||
2374 | } | |||||||
2375 | #endif | |||||||
2376 | ||||||||
2377 | return; | |||||||
2378 | } | |||||||
2379 | ||||||||
2380 | master_active = team->t.t_master_active; | |||||||
2381 | ||||||||
2382 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2383 | if (!exit_teams) | |||||||
2384 | #endif /* OMP_40_ENABLED */ | |||||||
2385 | { | |||||||
2386 | // AC: No barrier for internal teams at exit from teams construct. | |||||||
2387 | // But there is barrier for external team (league). | |||||||
2388 | __kmp_internal_join(loc, gtid, team); | |||||||
2389 | } | |||||||
2390 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2391 | else { | |||||||
2392 | master_th->th.th_task_state = | |||||||
2393 | 0; // AC: no tasking in teams (out of any parallel) | |||||||
2394 | } | |||||||
2395 | #endif /* OMP_40_ENABLED */ | |||||||
2396 | ||||||||
2397 | KMP_MB(); | |||||||
2398 | ||||||||
2399 | #if OMPT_SUPPORT1 | |||||||
2400 | ompt_data_t *parallel_data = &(team->t.ompt_team_info.parallel_data); | |||||||
2401 | void *codeptr = team->t.ompt_team_info.master_return_address; | |||||||
2402 | #endif | |||||||
2403 | ||||||||
2404 | #if USE_ITT_BUILD1 | |||||||
2405 | if (__itt_stack_caller_create_ptr__kmp_itt_stack_caller_create_ptr__3_0) { | |||||||
2406 | __kmp_itt_stack_caller_destroy( | |||||||
2407 | (__itt_caller)team->t | |||||||
2408 | .t_stack_id); // destroy the stack stitching id after join barrier | |||||||
2409 | } | |||||||
2410 | ||||||||
2411 | // Mark end of "parallel" region for Intel(R) VTune(TM) analyzer. | |||||||
2412 | if (team->t.t_active_level == 1 | |||||||
2413 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2414 | && !master_th->th.th_teams_microtask /* not in teams construct */ | |||||||
2415 | #endif /* OMP_40_ENABLED */ | |||||||
2416 | ) { | |||||||
2417 | master_th->th.th_ident = loc; | |||||||
2418 | // only one notification scheme (either "submit" or "forking/joined", not | |||||||
2419 | // both) | |||||||
2420 | if ((__itt_frame_submit_v3_ptr__kmp_itt_frame_submit_v3_ptr__3_0 || KMP_ITT_DEBUG0) && | |||||||
2421 | __kmp_forkjoin_frames_mode == 3) | |||||||
2422 | __kmp_itt_frame_submit(gtid, team->t.t_region_time, | |||||||
2423 | master_th->th.th_frame_time, 0, loc, | |||||||
2424 | master_th->th.th_team_nproc, 1); | |||||||
2425 | else if ((__itt_frame_end_v3_ptr__kmp_itt_frame_end_v3_ptr__3_0 || KMP_ITT_DEBUG0) && | |||||||
2426 | !__kmp_forkjoin_frames_mode && __kmp_forkjoin_frames) | |||||||
2427 | __kmp_itt_region_joined(gtid); | |||||||
2428 | } // active_level == 1 | |||||||
2429 | #endif /* USE_ITT_BUILD */ | |||||||
2430 | ||||||||
2431 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2432 | if (master_th->th.th_teams_microtask && !exit_teams && | |||||||
2433 | team->t.t_pkfn != (microtask_t)__kmp_teams_master && | |||||||
2434 | team->t.t_level == master_th->th.th_teams_level + 1) { | |||||||
2435 | // AC: We need to leave the team structure intact at the end of parallel | |||||||
2436 | // inside the teams construct, so that at the next parallel same (hot) team | |||||||
2437 | // works, only adjust nesting levels | |||||||
2438 | ||||||||
2439 | /* Decrement our nested depth level */ | |||||||
2440 | team->t.t_level--; | |||||||
2441 | team->t.t_active_level--; | |||||||
2442 | KMP_ATOMIC_DEC(&root->r.r_in_parallel)(&root->r.r_in_parallel)->fetch_sub(1, std::memory_order_acq_rel ); | |||||||
2443 | ||||||||
2444 | /* Restore number of threads in the team if needed */ | |||||||
2445 | if (master_th->th.th_team_nproc < master_th->th.th_teams_size.nth) { | |||||||
2446 | int old_num = master_th->th.th_team_nproc; | |||||||
2447 | int new_num = master_th->th.th_teams_size.nth; | |||||||
2448 | kmp_info_t **other_threads = team->t.t_threads; | |||||||
2449 | team->t.t_nproc = new_num; | |||||||
2450 | for (i = 0; i < old_num; ++i) { | |||||||
2451 | other_threads[i]->th.th_team_nproc = new_num; | |||||||
2452 | } | |||||||
2453 | // Adjust states of non-used threads of the team | |||||||
2454 | for (i = old_num; i < new_num; ++i) { | |||||||
2455 | // Re-initialize thread's barrier data. | |||||||
2456 | int b; | |||||||
2457 | kmp_balign_t *balign = other_threads[i]->th.th_bar; | |||||||
2458 | for (b = 0; b < bs_last_barrier; ++b) { | |||||||
2459 | balign[b].bb.b_arrived = team->t.t_bar[b].b_arrived; | |||||||
2460 | KMP_DEBUG_ASSERT(balign[b].bb.wait_flag != KMP_BARRIER_PARENT_FLAG)((balign[b].bb.wait_flag != 2) ? 0 : __kmp_debug_assert("balign[b].bb.wait_flag != 2" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2460)); | |||||||
2461 | #if USE_DEBUGGER0 | |||||||
2462 | balign[b].bb.b_worker_arrived = team->t.t_bar[b].b_team_arrived; | |||||||
2463 | #endif | |||||||
2464 | } | |||||||
2465 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
2466 | // Synchronize thread's task state | |||||||
2467 | other_threads[i]->th.th_task_state = master_th->th.th_task_state; | |||||||
2468 | } | |||||||
2469 | } | |||||||
2470 | } | |||||||
2471 | ||||||||
2472 | #if OMPT_SUPPORT1 | |||||||
2473 | if (ompt_enabled.enabled) { | |||||||
2474 | __kmp_join_ompt(gtid, master_th, parent_team, parallel_data, fork_context, | |||||||
2475 | codeptr); | |||||||
2476 | } | |||||||
2477 | #endif | |||||||
2478 | ||||||||
2479 | return; | |||||||
2480 | } | |||||||
2481 | #endif /* OMP_40_ENABLED */ | |||||||
2482 | ||||||||
2483 | /* do cleanup and restore the parent team */ | |||||||
2484 | master_th->th.th_info.ds.ds_tid = team->t.t_master_tid; | |||||||
2485 | master_th->th.th_local.this_construct = team->t.t_master_this_cons; | |||||||
2486 | ||||||||
2487 | master_th->th.th_dispatch = &parent_team->t.t_dispatch[team->t.t_master_tid]; | |||||||
2488 | ||||||||
2489 | /* jc: The following lock has instructions with REL and ACQ semantics, | |||||||
2490 | separating the parallel user code called in this parallel region | |||||||
2491 | from the serial user code called after this function returns. */ | |||||||
2492 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
2493 | ||||||||
2494 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2495 | if (!master_th->th.th_teams_microtask || | |||||||
2496 | team->t.t_level > master_th->th.th_teams_level) | |||||||
2497 | #endif /* OMP_40_ENABLED */ | |||||||
2498 | { | |||||||
2499 | /* Decrement our nested depth level */ | |||||||
2500 | KMP_ATOMIC_DEC(&root->r.r_in_parallel)(&root->r.r_in_parallel)->fetch_sub(1, std::memory_order_acq_rel ); | |||||||
2501 | } | |||||||
2502 | KMP_DEBUG_ASSERT(root->r.r_in_parallel >= 0)((root->r.r_in_parallel >= 0) ? 0 : __kmp_debug_assert( "root->r.r_in_parallel >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2502)); | |||||||
2503 | ||||||||
2504 | #if OMPT_SUPPORT1 | |||||||
2505 | if (ompt_enabled.enabled) { | |||||||
2506 | ompt_task_info_t *task_info = __ompt_get_task_info_object(0); | |||||||
2507 | if (ompt_enabled.ompt_callback_implicit_task) { | |||||||
2508 | int ompt_team_size = team->t.t_nproc; | |||||||
2509 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||||||
2510 | ompt_scope_end, NULL__null, &(task_info->task_data), ompt_team_size, | |||||||
2511 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num); | |||||||
2512 | } | |||||||
2513 | ||||||||
2514 | task_info->frame.exit_frame = NULL__null; | |||||||
2515 | task_info->task_data = ompt_data_none; | |||||||
2516 | } | |||||||
2517 | #endif | |||||||
2518 | ||||||||
2519 | KF_TRACE(10, ("__kmp_join_call1: T#%d, this_thread=%p team=%p\n", 0,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_join_call1: T#%d, this_thread=%p team=%p\n" , 0, master_th, team); } | |||||||
2520 | master_th, team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_join_call1: T#%d, this_thread=%p team=%p\n" , 0, master_th, team); }; | |||||||
2521 | __kmp_pop_current_task_from_thread(master_th); | |||||||
2522 | ||||||||
2523 | #if OMP_40_ENABLED(50 >= 40) && KMP_AFFINITY_SUPPORTED1 | |||||||
2524 | // Restore master thread's partition. | |||||||
2525 | master_th->th.th_first_place = team->t.t_first_place; | |||||||
2526 | master_th->th.th_last_place = team->t.t_last_place; | |||||||
2527 | #endif /* OMP_40_ENABLED */ | |||||||
2528 | ||||||||
2529 | updateHWFPControl(team); | |||||||
2530 | ||||||||
2531 | if (root->r.r_active != master_active) | |||||||
2532 | root->r.r_active = master_active; | |||||||
2533 | ||||||||
2534 | __kmp_free_team(root, team USE_NESTED_HOT_ARG(, master_th | |||||||
2535 | master_th), master_th); // this will free worker threads | |||||||
2536 | ||||||||
2537 | /* this race was fun to find. make sure the following is in the critical | |||||||
2538 | region otherwise assertions may fail occasionally since the old team may be | |||||||
2539 | reallocated and the hierarchy appears inconsistent. it is actually safe to | |||||||
2540 | run and won't cause any bugs, but will cause those assertion failures. it's | |||||||
2541 | only one deref&assign so might as well put this in the critical region */ | |||||||
2542 | master_th->th.th_team = parent_team; | |||||||
2543 | master_th->th.th_team_nproc = parent_team->t.t_nproc; | |||||||
2544 | master_th->th.th_team_master = parent_team->t.t_threads[0]; | |||||||
2545 | master_th->th.th_team_serialized = parent_team->t.t_serialized; | |||||||
2546 | ||||||||
2547 | /* restore serialized team, if need be */ | |||||||
2548 | if (parent_team->t.t_serialized && | |||||||
2549 | parent_team != master_th->th.th_serial_team && | |||||||
2550 | parent_team != root->r.r_root_team) { | |||||||
2551 | __kmp_free_team(root, | |||||||
2552 | master_th->th.th_serial_team USE_NESTED_HOT_ARG(NULL), __null); | |||||||
2553 | master_th->th.th_serial_team = parent_team; | |||||||
2554 | } | |||||||
2555 | ||||||||
2556 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
2557 | if (master_th->th.th_task_state_top > | |||||||
2558 | 0) { // Restore task state from memo stack | |||||||
2559 | KMP_DEBUG_ASSERT(master_th->th.th_task_state_memo_stack)((master_th->th.th_task_state_memo_stack) ? 0 : __kmp_debug_assert ("master_th->th.th_task_state_memo_stack", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2559)); | |||||||
2560 | // Remember master's state if we re-use this nested hot team | |||||||
2561 | master_th->th.th_task_state_memo_stack[master_th->th.th_task_state_top] = | |||||||
2562 | master_th->th.th_task_state; | |||||||
2563 | --master_th->th.th_task_state_top; // pop | |||||||
2564 | // Now restore state at this level | |||||||
2565 | master_th->th.th_task_state = | |||||||
2566 | master_th->th | |||||||
2567 | .th_task_state_memo_stack[master_th->th.th_task_state_top]; | |||||||
2568 | } | |||||||
2569 | // Copy the task team from the parent team to the master thread | |||||||
2570 | master_th->th.th_task_team = | |||||||
2571 | parent_team->t.t_task_team[master_th->th.th_task_state]; | |||||||
2572 | KA_TRACE(20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: Master T#%d restoring task_team %p / team %p\n" , ((((master_th) != __null) ? 0 : __kmp_debug_assert("(master_th) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2574)), (master_th)->th.th_info.ds.ds_gtid), master_th-> th.th_task_team, parent_team); } | |||||||
2573 | ("__kmp_join_call: Master T#%d restoring task_team %p / team %p\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: Master T#%d restoring task_team %p / team %p\n" , ((((master_th) != __null) ? 0 : __kmp_debug_assert("(master_th) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2574)), (master_th)->th.th_info.ds.ds_gtid), master_th-> th.th_task_team, parent_team); } | |||||||
2574 | __kmp_gtid_from_thread(master_th), master_th->th.th_task_team,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: Master T#%d restoring task_team %p / team %p\n" , ((((master_th) != __null) ? 0 : __kmp_debug_assert("(master_th) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2574)), (master_th)->th.th_info.ds.ds_gtid), master_th-> th.th_task_team, parent_team); } | |||||||
2575 | parent_team))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: Master T#%d restoring task_team %p / team %p\n" , ((((master_th) != __null) ? 0 : __kmp_debug_assert("(master_th) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2574)), (master_th)->th.th_info.ds.ds_gtid), master_th-> th.th_task_team, parent_team); }; | |||||||
2576 | } | |||||||
2577 | ||||||||
2578 | // TODO: GEH - cannot do this assertion because root thread not set up as | |||||||
2579 | // executing | |||||||
2580 | // KMP_ASSERT( master_th->th.th_current_task->td_flags.executing == 0 ); | |||||||
2581 | master_th->th.th_current_task->td_flags.executing = 1; | |||||||
2582 | ||||||||
2583 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
2584 | ||||||||
2585 | #if OMPT_SUPPORT1 | |||||||
2586 | if (ompt_enabled.enabled) { | |||||||
2587 | __kmp_join_ompt(gtid, master_th, parent_team, parallel_data, fork_context, | |||||||
2588 | codeptr); | |||||||
2589 | } | |||||||
2590 | #endif | |||||||
2591 | ||||||||
2592 | KMP_MB(); | |||||||
2593 | KA_TRACE(20, ("__kmp_join_call: exit T#%d\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: exit T#%d\n" , gtid); }; | |||||||
2594 | } | |||||||
2595 | ||||||||
2596 | /* Check whether we should push an internal control record onto the | |||||||
2597 | serial team stack. If so, do it. */ | |||||||
2598 | void __kmp_save_internal_controls(kmp_info_t *thread) { | |||||||
2599 | ||||||||
2600 | if (thread->th.th_team != thread->th.th_serial_team) { | |||||||
2601 | return; | |||||||
2602 | } | |||||||
2603 | if (thread->th.th_team->t.t_serialized > 1) { | |||||||
2604 | int push = 0; | |||||||
2605 | ||||||||
2606 | if (thread->th.th_team->t.t_control_stack_top == NULL__null) { | |||||||
2607 | push = 1; | |||||||
2608 | } else { | |||||||
2609 | if (thread->th.th_team->t.t_control_stack_top->serial_nesting_level != | |||||||
2610 | thread->th.th_team->t.t_serialized) { | |||||||
2611 | push = 1; | |||||||
2612 | } | |||||||
2613 | } | |||||||
2614 | if (push) { /* push a record on the serial team's stack */ | |||||||
2615 | kmp_internal_control_t *control = | |||||||
2616 | (kmp_internal_control_t *)__kmp_allocate(___kmp_allocate((sizeof(kmp_internal_control_t)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2617) | |||||||
2617 | sizeof(kmp_internal_control_t))___kmp_allocate((sizeof(kmp_internal_control_t)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2617); | |||||||
2618 | ||||||||
2619 | copy_icvs(control, &thread->th.th_current_task->td_icvs); | |||||||
2620 | ||||||||
2621 | control->serial_nesting_level = thread->th.th_team->t.t_serialized; | |||||||
2622 | ||||||||
2623 | control->next = thread->th.th_team->t.t_control_stack_top; | |||||||
2624 | thread->th.th_team->t.t_control_stack_top = control; | |||||||
2625 | } | |||||||
2626 | } | |||||||
2627 | } | |||||||
2628 | ||||||||
2629 | /* Changes set_nproc */ | |||||||
2630 | void __kmp_set_num_threads(int new_nth, int gtid) { | |||||||
2631 | kmp_info_t *thread; | |||||||
2632 | kmp_root_t *root; | |||||||
2633 | ||||||||
2634 | KF_TRACE(10, ("__kmp_set_num_threads: new __kmp_nth = %d\n", new_nth))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_num_threads: new __kmp_nth = %d\n" , new_nth); }; | |||||||
2635 | KMP_DEBUG_ASSERT(__kmp_init_serial)((__kmp_init_serial) ? 0 : __kmp_debug_assert("__kmp_init_serial" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2635)); | |||||||
2636 | ||||||||
2637 | if (new_nth < 1) | |||||||
2638 | new_nth = 1; | |||||||
2639 | else if (new_nth > __kmp_max_nth) | |||||||
2640 | new_nth = __kmp_max_nth; | |||||||
2641 | ||||||||
2642 | KMP_COUNT_VALUE(OMP_set_numthreads, new_nth)((void)0); | |||||||
2643 | thread = __kmp_threads[gtid]; | |||||||
2644 | ||||||||
2645 | __kmp_save_internal_controls(thread); | |||||||
2646 | ||||||||
2647 | set__nproc(thread, new_nth)(((thread)->th.th_current_task->td_icvs.nproc) = (new_nth )); | |||||||
2648 | ||||||||
2649 | // If this omp_set_num_threads() call will cause the hot team size to be | |||||||
2650 | // reduced (in the absence of a num_threads clause), then reduce it now, | |||||||
2651 | // rather than waiting for the next parallel region. | |||||||
2652 | root = thread->th.th_root; | |||||||
2653 | if (__kmp_init_parallel && (!root->r.r_active) && | |||||||
2654 | (root->r.r_hot_team->t.t_nproc > new_nth) | |||||||
2655 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
2656 | && __kmp_hot_teams_max_level && !__kmp_hot_teams_mode | |||||||
2657 | #endif | |||||||
2658 | ) { | |||||||
2659 | kmp_team_t *hot_team = root->r.r_hot_team; | |||||||
2660 | int f; | |||||||
2661 | ||||||||
2662 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
2663 | ||||||||
2664 | // Release the extra threads we don't need any more. | |||||||
2665 | for (f = new_nth; f < hot_team->t.t_nproc; f++) { | |||||||
2666 | KMP_DEBUG_ASSERT(hot_team->t.t_threads[f] != NULL)((hot_team->t.t_threads[f] != __null) ? 0 : __kmp_debug_assert ("hot_team->t.t_threads[f] != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2666)); | |||||||
2667 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
2668 | // When decreasing team size, threads no longer in the team should unref | |||||||
2669 | // task team. | |||||||
2670 | hot_team->t.t_threads[f]->th.th_task_team = NULL__null; | |||||||
2671 | } | |||||||
2672 | __kmp_free_thread(hot_team->t.t_threads[f]); | |||||||
2673 | hot_team->t.t_threads[f] = NULL__null; | |||||||
2674 | } | |||||||
2675 | hot_team->t.t_nproc = new_nth; | |||||||
2676 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
2677 | if (thread->th.th_hot_teams) { | |||||||
2678 | KMP_DEBUG_ASSERT(hot_team == thread->th.th_hot_teams[0].hot_team)((hot_team == thread->th.th_hot_teams[0].hot_team) ? 0 : __kmp_debug_assert ("hot_team == thread->th.th_hot_teams[0].hot_team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2678)); | |||||||
2679 | thread->th.th_hot_teams[0].hot_team_nth = new_nth; | |||||||
2680 | } | |||||||
2681 | #endif | |||||||
2682 | ||||||||
2683 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
2684 | ||||||||
2685 | // Update the t_nproc field in the threads that are still active. | |||||||
2686 | for (f = 0; f < new_nth; f++) { | |||||||
2687 | KMP_DEBUG_ASSERT(hot_team->t.t_threads[f] != NULL)((hot_team->t.t_threads[f] != __null) ? 0 : __kmp_debug_assert ("hot_team->t.t_threads[f] != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2687)); | |||||||
2688 | hot_team->t.t_threads[f]->th.th_team_nproc = new_nth; | |||||||
2689 | } | |||||||
2690 | // Special flag in case omp_set_num_threads() call | |||||||
2691 | hot_team->t.t_size_changed = -1; | |||||||
2692 | } | |||||||
2693 | } | |||||||
2694 | ||||||||
2695 | /* Changes max_active_levels */ | |||||||
2696 | void __kmp_set_max_active_levels(int gtid, int max_active_levels) { | |||||||
2697 | kmp_info_t *thread; | |||||||
2698 | ||||||||
2699 | KF_TRACE(10, ("__kmp_set_max_active_levels: new max_active_levels for thread "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_max_active_levels: new max_active_levels for thread " "%d = (%d)\n", gtid, max_active_levels); } | |||||||
2700 | "%d = (%d)\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_max_active_levels: new max_active_levels for thread " "%d = (%d)\n", gtid, max_active_levels); } | |||||||
2701 | gtid, max_active_levels))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_max_active_levels: new max_active_levels for thread " "%d = (%d)\n", gtid, max_active_levels); }; | |||||||
2702 | KMP_DEBUG_ASSERT(__kmp_init_serial)((__kmp_init_serial) ? 0 : __kmp_debug_assert("__kmp_init_serial" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2702)); | |||||||
2703 | ||||||||
2704 | // validate max_active_levels | |||||||
2705 | if (max_active_levels < 0) { | |||||||
2706 | KMP_WARNING(ActiveLevelsNegative, max_active_levels)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_ActiveLevelsNegative , max_active_levels), __kmp_msg_null); | |||||||
2707 | // We ignore this call if the user has specified a negative value. | |||||||
2708 | // The current setting won't be changed. The last valid setting will be | |||||||
2709 | // used. A warning will be issued (if warnings are allowed as controlled by | |||||||
2710 | // the KMP_WARNINGS env var). | |||||||
2711 | KF_TRACE(10, ("__kmp_set_max_active_levels: the call is ignored: new "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_max_active_levels: the call is ignored: new " "max_active_levels for thread %d = (%d)\n", gtid, max_active_levels ); } | |||||||
2712 | "max_active_levels for thread %d = (%d)\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_max_active_levels: the call is ignored: new " "max_active_levels for thread %d = (%d)\n", gtid, max_active_levels ); } | |||||||
2713 | gtid, max_active_levels))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_max_active_levels: the call is ignored: new " "max_active_levels for thread %d = (%d)\n", gtid, max_active_levels ); }; | |||||||
2714 | return; | |||||||
2715 | } | |||||||
2716 | if (max_active_levels <= KMP_MAX_ACTIVE_LEVELS_LIMIT2147483647) { | |||||||
2717 | // it's OK, the max_active_levels is within the valid range: [ 0; | |||||||
2718 | // KMP_MAX_ACTIVE_LEVELS_LIMIT ] | |||||||
2719 | // We allow a zero value. (implementation defined behavior) | |||||||
2720 | } else { | |||||||
2721 | KMP_WARNING(ActiveLevelsExceedLimit, max_active_levels,__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_ActiveLevelsExceedLimit , max_active_levels, 2147483647), __kmp_msg_null) | |||||||
2722 | KMP_MAX_ACTIVE_LEVELS_LIMIT)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_ActiveLevelsExceedLimit , max_active_levels, 2147483647), __kmp_msg_null); | |||||||
2723 | max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT2147483647; | |||||||
2724 | // Current upper limit is MAX_INT. (implementation defined behavior) | |||||||
2725 | // If the input exceeds the upper limit, we correct the input to be the | |||||||
2726 | // upper limit. (implementation defined behavior) | |||||||
2727 | // Actually, the flow should never get here until we use MAX_INT limit. | |||||||
2728 | } | |||||||
2729 | KF_TRACE(10, ("__kmp_set_max_active_levels: after validation: new "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_max_active_levels: after validation: new " "max_active_levels for thread %d = (%d)\n", gtid, max_active_levels ); } | |||||||
2730 | "max_active_levels for thread %d = (%d)\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_max_active_levels: after validation: new " "max_active_levels for thread %d = (%d)\n", gtid, max_active_levels ); } | |||||||
2731 | gtid, max_active_levels))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_max_active_levels: after validation: new " "max_active_levels for thread %d = (%d)\n", gtid, max_active_levels ); }; | |||||||
2732 | ||||||||
2733 | thread = __kmp_threads[gtid]; | |||||||
2734 | ||||||||
2735 | __kmp_save_internal_controls(thread); | |||||||
2736 | ||||||||
2737 | set__max_active_levels(thread, max_active_levels)(((thread)->th.th_current_task->td_icvs.max_active_levels ) = (max_active_levels)); | |||||||
2738 | } | |||||||
2739 | ||||||||
2740 | /* Gets max_active_levels */ | |||||||
2741 | int __kmp_get_max_active_levels(int gtid) { | |||||||
2742 | kmp_info_t *thread; | |||||||
2743 | ||||||||
2744 | KF_TRACE(10, ("__kmp_get_max_active_levels: thread %d\n", gtid))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_get_max_active_levels: thread %d\n" , gtid); }; | |||||||
2745 | KMP_DEBUG_ASSERT(__kmp_init_serial)((__kmp_init_serial) ? 0 : __kmp_debug_assert("__kmp_init_serial" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2745)); | |||||||
2746 | ||||||||
2747 | thread = __kmp_threads[gtid]; | |||||||
2748 | KMP_DEBUG_ASSERT(thread->th.th_current_task)((thread->th.th_current_task) ? 0 : __kmp_debug_assert("thread->th.th_current_task" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2748)); | |||||||
2749 | KF_TRACE(10, ("__kmp_get_max_active_levels: thread %d, curtask=%p, "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_get_max_active_levels: thread %d, curtask=%p, " "curtask_maxaclevel=%d\n", gtid, thread->th.th_current_task , thread->th.th_current_task->td_icvs.max_active_levels ); } | |||||||
2750 | "curtask_maxaclevel=%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_get_max_active_levels: thread %d, curtask=%p, " "curtask_maxaclevel=%d\n", gtid, thread->th.th_current_task , thread->th.th_current_task->td_icvs.max_active_levels ); } | |||||||
2751 | gtid, thread->th.th_current_task,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_get_max_active_levels: thread %d, curtask=%p, " "curtask_maxaclevel=%d\n", gtid, thread->th.th_current_task , thread->th.th_current_task->td_icvs.max_active_levels ); } | |||||||
2752 | thread->th.th_current_task->td_icvs.max_active_levels))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_get_max_active_levels: thread %d, curtask=%p, " "curtask_maxaclevel=%d\n", gtid, thread->th.th_current_task , thread->th.th_current_task->td_icvs.max_active_levels ); }; | |||||||
2753 | return thread->th.th_current_task->td_icvs.max_active_levels; | |||||||
2754 | } | |||||||
2755 | ||||||||
2756 | /* Changes def_sched_var ICV values (run-time schedule kind and chunk) */ | |||||||
2757 | void __kmp_set_schedule(int gtid, kmp_sched_t kind, int chunk) { | |||||||
2758 | kmp_info_t *thread; | |||||||
2759 | // kmp_team_t *team; | |||||||
2760 | ||||||||
2761 | KF_TRACE(10, ("__kmp_set_schedule: new schedule for thread %d = (%d, %d)\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_schedule: new schedule for thread %d = (%d, %d)\n" , gtid, (int)kind, chunk); } | |||||||
2762 | gtid, (int)kind, chunk))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_set_schedule: new schedule for thread %d = (%d, %d)\n" , gtid, (int)kind, chunk); }; | |||||||
2763 | KMP_DEBUG_ASSERT(__kmp_init_serial)((__kmp_init_serial) ? 0 : __kmp_debug_assert("__kmp_init_serial" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2763)); | |||||||
2764 | ||||||||
2765 | // Check if the kind parameter is valid, correct if needed. | |||||||
2766 | // Valid parameters should fit in one of two intervals - standard or extended: | |||||||
2767 | // <lower>, <valid>, <upper_std>, <lower_ext>, <valid>, <upper> | |||||||
2768 | // 2008-01-25: 0, 1 - 4, 5, 100, 101 - 102, 103 | |||||||
2769 | if (kind <= kmp_sched_lower || kind >= kmp_sched_upper || | |||||||
2770 | (kind <= kmp_sched_lower_ext && kind >= kmp_sched_upper_std)) { | |||||||
2771 | // TODO: Hint needs attention in case we change the default schedule. | |||||||
2772 | __kmp_msg(kmp_ms_warning, KMP_MSG(ScheduleKindOutOfRange, kind)__kmp_msg_format(kmp_i18n_msg_ScheduleKindOutOfRange, kind), | |||||||
2773 | KMP_HNT(DefaultScheduleKindUsed, "static, no chunk")__kmp_msg_format(kmp_i18n_hnt_DefaultScheduleKindUsed, "static, no chunk" ), | |||||||
2774 | __kmp_msg_null); | |||||||
2775 | kind = kmp_sched_default; | |||||||
2776 | chunk = 0; // ignore chunk value in case of bad kind | |||||||
2777 | } | |||||||
2778 | ||||||||
2779 | thread = __kmp_threads[gtid]; | |||||||
2780 | ||||||||
2781 | __kmp_save_internal_controls(thread); | |||||||
2782 | ||||||||
2783 | if (kind < kmp_sched_upper_std) { | |||||||
2784 | if (kind == kmp_sched_static && chunk < KMP_DEFAULT_CHUNK1) { | |||||||
2785 | // differ static chunked vs. unchunked: chunk should be invalid to | |||||||
2786 | // indicate unchunked schedule (which is the default) | |||||||
2787 | thread->th.th_current_task->td_icvs.sched.r_sched_type = kmp_sch_static; | |||||||
2788 | } else { | |||||||
2789 | thread->th.th_current_task->td_icvs.sched.r_sched_type = | |||||||
2790 | __kmp_sch_map[kind - kmp_sched_lower - 1]; | |||||||
2791 | } | |||||||
2792 | } else { | |||||||
2793 | // __kmp_sch_map[ kind - kmp_sched_lower_ext + kmp_sched_upper_std - | |||||||
2794 | // kmp_sched_lower - 2 ]; | |||||||
2795 | thread->th.th_current_task->td_icvs.sched.r_sched_type = | |||||||
2796 | __kmp_sch_map[kind - kmp_sched_lower_ext + kmp_sched_upper_std - | |||||||
2797 | kmp_sched_lower - 2]; | |||||||
2798 | } | |||||||
2799 | if (kind == kmp_sched_auto || chunk < 1) { | |||||||
2800 | // ignore parameter chunk for schedule auto | |||||||
2801 | thread->th.th_current_task->td_icvs.sched.chunk = KMP_DEFAULT_CHUNK1; | |||||||
2802 | } else { | |||||||
2803 | thread->th.th_current_task->td_icvs.sched.chunk = chunk; | |||||||
2804 | } | |||||||
2805 | } | |||||||
2806 | ||||||||
2807 | /* Gets def_sched_var ICV values */ | |||||||
2808 | void __kmp_get_schedule(int gtid, kmp_sched_t *kind, int *chunk) { | |||||||
2809 | kmp_info_t *thread; | |||||||
2810 | enum sched_type th_type; | |||||||
2811 | ||||||||
2812 | KF_TRACE(10, ("__kmp_get_schedule: thread %d\n", gtid))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_get_schedule: thread %d\n" , gtid); }; | |||||||
2813 | KMP_DEBUG_ASSERT(__kmp_init_serial)((__kmp_init_serial) ? 0 : __kmp_debug_assert("__kmp_init_serial" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2813)); | |||||||
2814 | ||||||||
2815 | thread = __kmp_threads[gtid]; | |||||||
2816 | ||||||||
2817 | th_type = thread->th.th_current_task->td_icvs.sched.r_sched_type; | |||||||
2818 | ||||||||
2819 | switch (th_type) { | |||||||
2820 | case kmp_sch_static: | |||||||
2821 | case kmp_sch_static_greedy: | |||||||
2822 | case kmp_sch_static_balanced: | |||||||
2823 | *kind = kmp_sched_static; | |||||||
2824 | *chunk = 0; // chunk was not set, try to show this fact via zero value | |||||||
2825 | return; | |||||||
2826 | case kmp_sch_static_chunked: | |||||||
2827 | *kind = kmp_sched_static; | |||||||
2828 | break; | |||||||
2829 | case kmp_sch_dynamic_chunked: | |||||||
2830 | *kind = kmp_sched_dynamic; | |||||||
2831 | break; | |||||||
2832 | case kmp_sch_guided_chunked: | |||||||
2833 | case kmp_sch_guided_iterative_chunked: | |||||||
2834 | case kmp_sch_guided_analytical_chunked: | |||||||
2835 | *kind = kmp_sched_guided; | |||||||
2836 | break; | |||||||
2837 | case kmp_sch_auto: | |||||||
2838 | *kind = kmp_sched_auto; | |||||||
2839 | break; | |||||||
2840 | case kmp_sch_trapezoidal: | |||||||
2841 | *kind = kmp_sched_trapezoidal; | |||||||
2842 | break; | |||||||
2843 | #if KMP_STATIC_STEAL_ENABLED1 | |||||||
2844 | case kmp_sch_static_steal: | |||||||
2845 | *kind = kmp_sched_static_steal; | |||||||
2846 | break; | |||||||
2847 | #endif | |||||||
2848 | default: | |||||||
2849 | KMP_FATAL(UnknownSchedulingType, th_type)__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_UnknownSchedulingType , th_type), __kmp_msg_null); | |||||||
2850 | } | |||||||
2851 | ||||||||
2852 | *chunk = thread->th.th_current_task->td_icvs.sched.chunk; | |||||||
2853 | } | |||||||
2854 | ||||||||
2855 | int __kmp_get_ancestor_thread_num(int gtid, int level) { | |||||||
2856 | ||||||||
2857 | int ii, dd; | |||||||
2858 | kmp_team_t *team; | |||||||
2859 | kmp_info_t *thr; | |||||||
2860 | ||||||||
2861 | KF_TRACE(10, ("__kmp_get_ancestor_thread_num: thread %d %d\n", gtid, level))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_get_ancestor_thread_num: thread %d %d\n" , gtid, level); }; | |||||||
2862 | KMP_DEBUG_ASSERT(__kmp_init_serial)((__kmp_init_serial) ? 0 : __kmp_debug_assert("__kmp_init_serial" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2862)); | |||||||
2863 | ||||||||
2864 | // validate level | |||||||
2865 | if (level == 0) | |||||||
2866 | return 0; | |||||||
2867 | if (level < 0) | |||||||
2868 | return -1; | |||||||
2869 | thr = __kmp_threads[gtid]; | |||||||
2870 | team = thr->th.th_team; | |||||||
2871 | ii = team->t.t_level; | |||||||
2872 | if (level > ii) | |||||||
2873 | return -1; | |||||||
2874 | ||||||||
2875 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2876 | if (thr->th.th_teams_microtask) { | |||||||
2877 | // AC: we are in teams region where multiple nested teams have same level | |||||||
2878 | int tlevel = thr->th.th_teams_level; // the level of the teams construct | |||||||
2879 | if (level <= | |||||||
2880 | tlevel) { // otherwise usual algorithm works (will not touch the teams) | |||||||
2881 | KMP_DEBUG_ASSERT(ii >= tlevel)((ii >= tlevel) ? 0 : __kmp_debug_assert("ii >= tlevel" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2881)); | |||||||
2882 | // AC: As we need to pass by the teams league, we need to artificially | |||||||
2883 | // increase ii | |||||||
2884 | if (ii == tlevel) { | |||||||
2885 | ii += 2; // three teams have same level | |||||||
2886 | } else { | |||||||
2887 | ii++; // two teams have same level | |||||||
2888 | } | |||||||
2889 | } | |||||||
2890 | } | |||||||
2891 | #endif | |||||||
2892 | ||||||||
2893 | if (ii == level) | |||||||
2894 | return __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2894)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid); | |||||||
2895 | ||||||||
2896 | dd = team->t.t_serialized; | |||||||
2897 | level++; | |||||||
2898 | while (ii > level) { | |||||||
2899 | for (dd = team->t.t_serialized; (dd > 0) && (ii > level); dd--, ii--) { | |||||||
2900 | } | |||||||
2901 | if ((team->t.t_serialized) && (!dd)) { | |||||||
2902 | team = team->t.t_parent; | |||||||
2903 | continue; | |||||||
2904 | } | |||||||
2905 | if (ii > level) { | |||||||
2906 | team = team->t.t_parent; | |||||||
2907 | dd = team->t.t_serialized; | |||||||
2908 | ii--; | |||||||
2909 | } | |||||||
2910 | } | |||||||
2911 | ||||||||
2912 | return (dd > 1) ? (0) : (team->t.t_master_tid); | |||||||
2913 | } | |||||||
2914 | ||||||||
2915 | int __kmp_get_team_size(int gtid, int level) { | |||||||
2916 | ||||||||
2917 | int ii, dd; | |||||||
2918 | kmp_team_t *team; | |||||||
2919 | kmp_info_t *thr; | |||||||
2920 | ||||||||
2921 | KF_TRACE(10, ("__kmp_get_team_size: thread %d %d\n", gtid, level))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_get_team_size: thread %d %d\n" , gtid, level); }; | |||||||
2922 | KMP_DEBUG_ASSERT(__kmp_init_serial)((__kmp_init_serial) ? 0 : __kmp_debug_assert("__kmp_init_serial" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2922)); | |||||||
2923 | ||||||||
2924 | // validate level | |||||||
2925 | if (level == 0) | |||||||
2926 | return 1; | |||||||
2927 | if (level < 0) | |||||||
2928 | return -1; | |||||||
2929 | thr = __kmp_threads[gtid]; | |||||||
2930 | team = thr->th.th_team; | |||||||
2931 | ii = team->t.t_level; | |||||||
2932 | if (level > ii) | |||||||
2933 | return -1; | |||||||
2934 | ||||||||
2935 | #if OMP_40_ENABLED(50 >= 40) | |||||||
2936 | if (thr->th.th_teams_microtask) { | |||||||
2937 | // AC: we are in teams region where multiple nested teams have same level | |||||||
2938 | int tlevel = thr->th.th_teams_level; // the level of the teams construct | |||||||
2939 | if (level <= | |||||||
2940 | tlevel) { // otherwise usual algorithm works (will not touch the teams) | |||||||
2941 | KMP_DEBUG_ASSERT(ii >= tlevel)((ii >= tlevel) ? 0 : __kmp_debug_assert("ii >= tlevel" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 2941)); | |||||||
2942 | // AC: As we need to pass by the teams league, we need to artificially | |||||||
2943 | // increase ii | |||||||
2944 | if (ii == tlevel) { | |||||||
2945 | ii += 2; // three teams have same level | |||||||
2946 | } else { | |||||||
2947 | ii++; // two teams have same level | |||||||
2948 | } | |||||||
2949 | } | |||||||
2950 | } | |||||||
2951 | #endif | |||||||
2952 | ||||||||
2953 | while (ii > level) { | |||||||
2954 | for (dd = team->t.t_serialized; (dd > 0) && (ii > level); dd--, ii--) { | |||||||
2955 | } | |||||||
2956 | if (team->t.t_serialized && (!dd)) { | |||||||
2957 | team = team->t.t_parent; | |||||||
2958 | continue; | |||||||
2959 | } | |||||||
2960 | if (ii > level) { | |||||||
2961 | team = team->t.t_parent; | |||||||
2962 | ii--; | |||||||
2963 | } | |||||||
2964 | } | |||||||
2965 | ||||||||
2966 | return team->t.t_nproc; | |||||||
2967 | } | |||||||
2968 | ||||||||
2969 | kmp_r_sched_t __kmp_get_schedule_global() { | |||||||
2970 | // This routine created because pairs (__kmp_sched, __kmp_chunk) and | |||||||
2971 | // (__kmp_static, __kmp_guided) may be changed by kmp_set_defaults | |||||||
2972 | // independently. So one can get the updated schedule here. | |||||||
2973 | ||||||||
2974 | kmp_r_sched_t r_sched; | |||||||
2975 | ||||||||
2976 | // create schedule from 4 globals: __kmp_sched, __kmp_chunk, __kmp_static, | |||||||
2977 | // __kmp_guided. __kmp_sched should keep original value, so that user can set | |||||||
2978 | // KMP_SCHEDULE multiple times, and thus have different run-time schedules in | |||||||
2979 | // different roots (even in OMP 2.5) | |||||||
2980 | if (__kmp_sched == kmp_sch_static) { | |||||||
2981 | // replace STATIC with more detailed schedule (balanced or greedy) | |||||||
2982 | r_sched.r_sched_type = __kmp_static; | |||||||
2983 | } else if (__kmp_sched == kmp_sch_guided_chunked) { | |||||||
2984 | // replace GUIDED with more detailed schedule (iterative or analytical) | |||||||
2985 | r_sched.r_sched_type = __kmp_guided; | |||||||
2986 | } else { // (STATIC_CHUNKED), or (DYNAMIC_CHUNKED), or other | |||||||
2987 | r_sched.r_sched_type = __kmp_sched; | |||||||
2988 | } | |||||||
2989 | ||||||||
2990 | if (__kmp_chunk < KMP_DEFAULT_CHUNK1) { | |||||||
2991 | // __kmp_chunk may be wrong here (if it was not ever set) | |||||||
2992 | r_sched.chunk = KMP_DEFAULT_CHUNK1; | |||||||
2993 | } else { | |||||||
2994 | r_sched.chunk = __kmp_chunk; | |||||||
2995 | } | |||||||
2996 | ||||||||
2997 | return r_sched; | |||||||
2998 | } | |||||||
2999 | ||||||||
3000 | /* Allocate (realloc == FALSE) * or reallocate (realloc == TRUE) | |||||||
3001 | at least argc number of *t_argv entries for the requested team. */ | |||||||
3002 | static void __kmp_alloc_argv_entries(int argc, kmp_team_t *team, int realloc) { | |||||||
3003 | ||||||||
3004 | KMP_DEBUG_ASSERT(team)((team) ? 0 : __kmp_debug_assert("team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3004)); | |||||||
3005 | if (!realloc || argc > team->t.t_max_argc) { | |||||||
3006 | ||||||||
3007 | KA_TRACE(100, ("__kmp_alloc_argv_entries: team %d: needed entries=%d, "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_alloc_argv_entries: team %d: needed entries=%d, " "current entries=%d\n", team->t.t_id, argc, (realloc) ? team ->t.t_max_argc : 0); } | |||||||
3008 | "current entries=%d\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_alloc_argv_entries: team %d: needed entries=%d, " "current entries=%d\n", team->t.t_id, argc, (realloc) ? team ->t.t_max_argc : 0); } | |||||||
3009 | team->t.t_id, argc, (realloc) ? team->t.t_max_argc : 0))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_alloc_argv_entries: team %d: needed entries=%d, " "current entries=%d\n", team->t.t_id, argc, (realloc) ? team ->t.t_max_argc : 0); }; | |||||||
3010 | /* if previously allocated heap space for args, free them */ | |||||||
3011 | if (realloc && team->t.t_argv != &team->t.t_inline_argv[0]) | |||||||
3012 | __kmp_free((void *)team->t.t_argv)___kmp_free(((void *)team->t.t_argv), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3012); | |||||||
3013 | ||||||||
3014 | if (argc <= KMP_INLINE_ARGV_ENTRIES(int)((4 * 64 - ((3 * (sizeof(void *)) + 2 * sizeof(int) + 2 * sizeof(kmp_int8) + sizeof(kmp_int16) + sizeof(kmp_uint32)) % 64)) / (sizeof(void *)))) { | |||||||
3015 | /* use unused space in the cache line for arguments */ | |||||||
3016 | team->t.t_max_argc = KMP_INLINE_ARGV_ENTRIES(int)((4 * 64 - ((3 * (sizeof(void *)) + 2 * sizeof(int) + 2 * sizeof(kmp_int8) + sizeof(kmp_int16) + sizeof(kmp_uint32)) % 64)) / (sizeof(void *))); | |||||||
3017 | KA_TRACE(100, ("__kmp_alloc_argv_entries: team %d: inline allocate %d "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_alloc_argv_entries: team %d: inline allocate %d " "argv entries\n", team->t.t_id, team->t.t_max_argc); } | |||||||
3018 | "argv entries\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_alloc_argv_entries: team %d: inline allocate %d " "argv entries\n", team->t.t_id, team->t.t_max_argc); } | |||||||
3019 | team->t.t_id, team->t.t_max_argc))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_alloc_argv_entries: team %d: inline allocate %d " "argv entries\n", team->t.t_id, team->t.t_max_argc); }; | |||||||
3020 | team->t.t_argv = &team->t.t_inline_argv[0]; | |||||||
3021 | if (__kmp_storage_map) { | |||||||
3022 | __kmp_print_storage_map_gtid( | |||||||
3023 | -1, &team->t.t_inline_argv[0], | |||||||
3024 | &team->t.t_inline_argv[KMP_INLINE_ARGV_ENTRIES(int)((4 * 64 - ((3 * (sizeof(void *)) + 2 * sizeof(int) + 2 * sizeof(kmp_int8) + sizeof(kmp_int16) + sizeof(kmp_uint32)) % 64)) / (sizeof(void *)))], | |||||||
3025 | (sizeof(void *) * KMP_INLINE_ARGV_ENTRIES(int)((4 * 64 - ((3 * (sizeof(void *)) + 2 * sizeof(int) + 2 * sizeof(kmp_int8) + sizeof(kmp_int16) + sizeof(kmp_uint32)) % 64)) / (sizeof(void *)))), "team_%d.t_inline_argv", | |||||||
3026 | team->t.t_id); | |||||||
3027 | } | |||||||
3028 | } else { | |||||||
3029 | /* allocate space for arguments in the heap */ | |||||||
3030 | team->t.t_max_argc = (argc <= (KMP_MIN_MALLOC_ARGV_ENTRIES100 >> 1)) | |||||||
3031 | ? KMP_MIN_MALLOC_ARGV_ENTRIES100 | |||||||
3032 | : 2 * argc; | |||||||
3033 | KA_TRACE(100, ("__kmp_alloc_argv_entries: team %d: dynamic allocate %d "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_alloc_argv_entries: team %d: dynamic allocate %d " "argv entries\n", team->t.t_id, team->t.t_max_argc); } | |||||||
3034 | "argv entries\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_alloc_argv_entries: team %d: dynamic allocate %d " "argv entries\n", team->t.t_id, team->t.t_max_argc); } | |||||||
3035 | team->t.t_id, team->t.t_max_argc))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_alloc_argv_entries: team %d: dynamic allocate %d " "argv entries\n", team->t.t_id, team->t.t_max_argc); }; | |||||||
3036 | team->t.t_argv = | |||||||
3037 | (void **)__kmp_page_allocate(sizeof(void *) * team->t.t_max_argc)___kmp_page_allocate((sizeof(void *) * team->t.t_max_argc) , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3037); | |||||||
3038 | if (__kmp_storage_map) { | |||||||
3039 | __kmp_print_storage_map_gtid(-1, &team->t.t_argv[0], | |||||||
3040 | &team->t.t_argv[team->t.t_max_argc], | |||||||
3041 | sizeof(void *) * team->t.t_max_argc, | |||||||
3042 | "team_%d.t_argv", team->t.t_id); | |||||||
3043 | } | |||||||
3044 | } | |||||||
3045 | } | |||||||
3046 | } | |||||||
3047 | ||||||||
3048 | static void __kmp_allocate_team_arrays(kmp_team_t *team, int max_nth) { | |||||||
3049 | int i; | |||||||
3050 | int num_disp_buff = max_nth > 1 ? __kmp_dispatch_num_buffers : 2; | |||||||
3051 | team->t.t_threads = | |||||||
3052 | (kmp_info_t **)__kmp_allocate(sizeof(kmp_info_t *) * max_nth)___kmp_allocate((sizeof(kmp_info_t *) * max_nth), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3052); | |||||||
3053 | team->t.t_disp_buffer = (dispatch_shared_info_t *)__kmp_allocate(___kmp_allocate((sizeof(dispatch_shared_info_t) * num_disp_buff ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3054) | |||||||
3054 | sizeof(dispatch_shared_info_t) * num_disp_buff)___kmp_allocate((sizeof(dispatch_shared_info_t) * num_disp_buff ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3054); | |||||||
3055 | team->t.t_dispatch = | |||||||
3056 | (kmp_disp_t *)__kmp_allocate(sizeof(kmp_disp_t) * max_nth)___kmp_allocate((sizeof(kmp_disp_t) * max_nth), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3056); | |||||||
3057 | team->t.t_implicit_task_taskdata = | |||||||
3058 | (kmp_taskdata_t *)__kmp_allocate(sizeof(kmp_taskdata_t) * max_nth)___kmp_allocate((sizeof(kmp_taskdata_t) * max_nth), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3058); | |||||||
3059 | team->t.t_max_nproc = max_nth; | |||||||
3060 | ||||||||
3061 | /* setup dispatch buffers */ | |||||||
3062 | for (i = 0; i < num_disp_buff; ++i) { | |||||||
3063 | team->t.t_disp_buffer[i].buffer_index = i; | |||||||
3064 | #if OMP_45_ENABLED(50 >= 45) | |||||||
3065 | team->t.t_disp_buffer[i].doacross_buf_idx = i; | |||||||
3066 | #endif | |||||||
3067 | } | |||||||
3068 | } | |||||||
3069 | ||||||||
3070 | static void __kmp_free_team_arrays(kmp_team_t *team) { | |||||||
3071 | /* Note: this does not free the threads in t_threads (__kmp_free_threads) */ | |||||||
3072 | int i; | |||||||
3073 | for (i = 0; i < team->t.t_max_nproc; ++i) { | |||||||
3074 | if (team->t.t_dispatch[i].th_disp_buffer != NULL__null) { | |||||||
3075 | __kmp_free(team->t.t_dispatch[i].th_disp_buffer)___kmp_free((team->t.t_dispatch[i].th_disp_buffer), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3075); | |||||||
3076 | team->t.t_dispatch[i].th_disp_buffer = NULL__null; | |||||||
3077 | } | |||||||
3078 | } | |||||||
3079 | #if KMP_USE_HIER_SCHED0 | |||||||
3080 | __kmp_dispatch_free_hierarchies(team); | |||||||
3081 | #endif | |||||||
3082 | __kmp_free(team->t.t_threads)___kmp_free((team->t.t_threads), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3082); | |||||||
3083 | __kmp_free(team->t.t_disp_buffer)___kmp_free((team->t.t_disp_buffer), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3083); | |||||||
3084 | __kmp_free(team->t.t_dispatch)___kmp_free((team->t.t_dispatch), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3084); | |||||||
3085 | __kmp_free(team->t.t_implicit_task_taskdata)___kmp_free((team->t.t_implicit_task_taskdata), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3085); | |||||||
3086 | team->t.t_threads = NULL__null; | |||||||
3087 | team->t.t_disp_buffer = NULL__null; | |||||||
3088 | team->t.t_dispatch = NULL__null; | |||||||
3089 | team->t.t_implicit_task_taskdata = 0; | |||||||
3090 | } | |||||||
3091 | ||||||||
3092 | static void __kmp_reallocate_team_arrays(kmp_team_t *team, int max_nth) { | |||||||
3093 | kmp_info_t **oldThreads = team->t.t_threads; | |||||||
3094 | ||||||||
3095 | __kmp_free(team->t.t_disp_buffer)___kmp_free((team->t.t_disp_buffer), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3095); | |||||||
3096 | __kmp_free(team->t.t_dispatch)___kmp_free((team->t.t_dispatch), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3096); | |||||||
3097 | __kmp_free(team->t.t_implicit_task_taskdata)___kmp_free((team->t.t_implicit_task_taskdata), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3097); | |||||||
3098 | __kmp_allocate_team_arrays(team, max_nth); | |||||||
3099 | ||||||||
3100 | KMP_MEMCPYmemcpy(team->t.t_threads, oldThreads, | |||||||
3101 | team->t.t_nproc * sizeof(kmp_info_t *)); | |||||||
3102 | ||||||||
3103 | __kmp_free(oldThreads)___kmp_free((oldThreads), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3103); | |||||||
3104 | } | |||||||
3105 | ||||||||
3106 | static kmp_internal_control_t __kmp_get_global_icvs(void) { | |||||||
3107 | ||||||||
3108 | kmp_r_sched_t r_sched = | |||||||
3109 | __kmp_get_schedule_global(); // get current state of scheduling globals | |||||||
3110 | ||||||||
3111 | #if OMP_40_ENABLED(50 >= 40) | |||||||
3112 | KMP_DEBUG_ASSERT(__kmp_nested_proc_bind.used > 0)((__kmp_nested_proc_bind.used > 0) ? 0 : __kmp_debug_assert ("__kmp_nested_proc_bind.used > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3112)); | |||||||
3113 | #endif /* OMP_40_ENABLED */ | |||||||
3114 | ||||||||
3115 | kmp_internal_control_t g_icvs = { | |||||||
3116 | 0, // int serial_nesting_level; //corresponds to value of th_team_serialized | |||||||
3117 | (kmp_int8)__kmp_dflt_nested, // int nested; //internal control | |||||||
3118 | // for nested parallelism (per thread) | |||||||
3119 | (kmp_int8)__kmp_global.g.g_dynamic, // internal control for dynamic | |||||||
3120 | // adjustment of threads (per thread) | |||||||
3121 | (kmp_int8)__kmp_env_blocktime, // int bt_set; //internal control for | |||||||
3122 | // whether blocktime is explicitly set | |||||||
3123 | __kmp_dflt_blocktime, // int blocktime; //internal control for blocktime | |||||||
3124 | #if KMP_USE_MONITOR | |||||||
3125 | __kmp_bt_intervals, // int bt_intervals; //internal control for blocktime | |||||||
3126 | // intervals | |||||||
3127 | #endif | |||||||
3128 | __kmp_dflt_team_nth, // int nproc; //internal control for # of threads for | |||||||
3129 | // next parallel region (per thread) | |||||||
3130 | // (use a max ub on value if __kmp_parallel_initialize not called yet) | |||||||
3131 | __kmp_dflt_max_active_levels, // int max_active_levels; //internal control | |||||||
3132 | // for max_active_levels | |||||||
3133 | r_sched, // kmp_r_sched_t sched; //internal control for runtime schedule | |||||||
3134 | // {sched,chunk} pair | |||||||
3135 | #if OMP_40_ENABLED(50 >= 40) | |||||||
3136 | __kmp_nested_proc_bind.bind_types[0], | |||||||
3137 | __kmp_default_device, | |||||||
3138 | #endif /* OMP_40_ENABLED */ | |||||||
3139 | NULL__null // struct kmp_internal_control *next; | |||||||
3140 | }; | |||||||
3141 | ||||||||
3142 | return g_icvs; | |||||||
3143 | } | |||||||
3144 | ||||||||
3145 | static kmp_internal_control_t __kmp_get_x_global_icvs(const kmp_team_t *team) { | |||||||
3146 | ||||||||
3147 | kmp_internal_control_t gx_icvs; | |||||||
3148 | gx_icvs.serial_nesting_level = | |||||||
3149 | 0; // probably =team->t.t_serial like in save_inter_controls | |||||||
3150 | copy_icvs(&gx_icvs, &team->t.t_threads[0]->th.th_current_task->td_icvs); | |||||||
3151 | gx_icvs.next = NULL__null; | |||||||
3152 | ||||||||
3153 | return gx_icvs; | |||||||
3154 | } | |||||||
3155 | ||||||||
3156 | static void __kmp_initialize_root(kmp_root_t *root) { | |||||||
3157 | int f; | |||||||
3158 | kmp_team_t *root_team; | |||||||
3159 | kmp_team_t *hot_team; | |||||||
3160 | int hot_team_max_nth; | |||||||
3161 | kmp_r_sched_t r_sched = | |||||||
3162 | __kmp_get_schedule_global(); // get current state of scheduling globals | |||||||
3163 | kmp_internal_control_t r_icvs = __kmp_get_global_icvs(); | |||||||
3164 | KMP_DEBUG_ASSERT(root)((root) ? 0 : __kmp_debug_assert("root", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3164)); | |||||||
3165 | KMP_ASSERT(!root->r.r_begin)((!root->r.r_begin) ? 0 : __kmp_debug_assert("!root->r.r_begin" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3165)); | |||||||
3166 | ||||||||
3167 | /* setup the root state structure */ | |||||||
3168 | __kmp_init_lock(&root->r.r_begin_lock); | |||||||
3169 | root->r.r_begin = FALSE0; | |||||||
3170 | root->r.r_active = FALSE0; | |||||||
3171 | root->r.r_in_parallel = 0; | |||||||
3172 | root->r.r_blocktime = __kmp_dflt_blocktime; | |||||||
3173 | root->r.r_nested = __kmp_dflt_nested; | |||||||
3174 | root->r.r_cg_nthreads = 1; | |||||||
3175 | ||||||||
3176 | /* setup the root team for this task */ | |||||||
3177 | /* allocate the root team structure */ | |||||||
3178 | KF_TRACE(10, ("__kmp_initialize_root: before root_team\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_root: before root_team\n" ); }; | |||||||
3179 | ||||||||
3180 | root_team = | |||||||
3181 | __kmp_allocate_team(root, | |||||||
3182 | 1, // new_nproc | |||||||
3183 | 1, // max_nproc | |||||||
3184 | #if OMPT_SUPPORT1 | |||||||
3185 | ompt_data_none, // root parallel id | |||||||
3186 | #endif | |||||||
3187 | #if OMP_40_ENABLED(50 >= 40) | |||||||
3188 | __kmp_nested_proc_bind.bind_types[0], | |||||||
3189 | #endif | |||||||
3190 | &r_icvs, | |||||||
3191 | 0 // argc | |||||||
3192 | USE_NESTED_HOT_ARG(NULL), __null // master thread is unknown | |||||||
3193 | ); | |||||||
3194 | #if USE_DEBUGGER0 | |||||||
3195 | // Non-NULL value should be assigned to make the debugger display the root | |||||||
3196 | // team. | |||||||
3197 | TCW_SYNC_PTR(root_team->t.t_pkfn, (microtask_t)(~0))((root_team->t.t_pkfn)) = (((microtask_t)(~0))); | |||||||
3198 | #endif | |||||||
3199 | ||||||||
3200 | KF_TRACE(10, ("__kmp_initialize_root: after root_team = %p\n", root_team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_root: after root_team = %p\n" , root_team); }; | |||||||
3201 | ||||||||
3202 | root->r.r_root_team = root_team; | |||||||
3203 | root_team->t.t_control_stack_top = NULL__null; | |||||||
3204 | ||||||||
3205 | /* initialize root team */ | |||||||
3206 | root_team->t.t_threads[0] = NULL__null; | |||||||
3207 | root_team->t.t_nproc = 1; | |||||||
3208 | root_team->t.t_serialized = 1; | |||||||
3209 | // TODO???: root_team->t.t_max_active_levels = __kmp_dflt_max_active_levels; | |||||||
3210 | root_team->t.t_sched.sched = r_sched.sched; | |||||||
3211 | KA_TRACE(if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_initialize_root: init root team %d arrived: join=%u, plain=%u\n" , root_team->t.t_id, 0, 0); } | |||||||
3212 | 20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_initialize_root: init root team %d arrived: join=%u, plain=%u\n" , root_team->t.t_id, 0, 0); } | |||||||
3213 | ("__kmp_initialize_root: init root team %d arrived: join=%u, plain=%u\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_initialize_root: init root team %d arrived: join=%u, plain=%u\n" , root_team->t.t_id, 0, 0); } | |||||||
3214 | root_team->t.t_id, KMP_INIT_BARRIER_STATE, KMP_INIT_BARRIER_STATE))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_initialize_root: init root team %d arrived: join=%u, plain=%u\n" , root_team->t.t_id, 0, 0); }; | |||||||
3215 | ||||||||
3216 | /* setup the hot team for this task */ | |||||||
3217 | /* allocate the hot team structure */ | |||||||
3218 | KF_TRACE(10, ("__kmp_initialize_root: before hot_team\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_root: before hot_team\n" ); }; | |||||||
3219 | ||||||||
3220 | hot_team = | |||||||
3221 | __kmp_allocate_team(root, | |||||||
3222 | 1, // new_nproc | |||||||
3223 | __kmp_dflt_team_nth_ub * 2, // max_nproc | |||||||
3224 | #if OMPT_SUPPORT1 | |||||||
3225 | ompt_data_none, // root parallel id | |||||||
3226 | #endif | |||||||
3227 | #if OMP_40_ENABLED(50 >= 40) | |||||||
3228 | __kmp_nested_proc_bind.bind_types[0], | |||||||
3229 | #endif | |||||||
3230 | &r_icvs, | |||||||
3231 | 0 // argc | |||||||
3232 | USE_NESTED_HOT_ARG(NULL), __null // master thread is unknown | |||||||
3233 | ); | |||||||
3234 | KF_TRACE(10, ("__kmp_initialize_root: after hot_team = %p\n", hot_team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_root: after hot_team = %p\n" , hot_team); }; | |||||||
3235 | ||||||||
3236 | root->r.r_hot_team = hot_team; | |||||||
3237 | root_team->t.t_control_stack_top = NULL__null; | |||||||
3238 | ||||||||
3239 | /* first-time initialization */ | |||||||
3240 | hot_team->t.t_parent = root_team; | |||||||
3241 | ||||||||
3242 | /* initialize hot team */ | |||||||
3243 | hot_team_max_nth = hot_team->t.t_max_nproc; | |||||||
3244 | for (f = 0; f < hot_team_max_nth; ++f) { | |||||||
3245 | hot_team->t.t_threads[f] = NULL__null; | |||||||
3246 | } | |||||||
3247 | hot_team->t.t_nproc = 1; | |||||||
3248 | // TODO???: hot_team->t.t_max_active_levels = __kmp_dflt_max_active_levels; | |||||||
3249 | hot_team->t.t_sched.sched = r_sched.sched; | |||||||
3250 | hot_team->t.t_size_changed = 0; | |||||||
3251 | } | |||||||
3252 | ||||||||
3253 | #ifdef KMP_DEBUG1 | |||||||
3254 | ||||||||
3255 | typedef struct kmp_team_list_item { | |||||||
3256 | kmp_team_p const *entry; | |||||||
3257 | struct kmp_team_list_item *next; | |||||||
3258 | } kmp_team_list_item_t; | |||||||
3259 | typedef kmp_team_list_item_t *kmp_team_list_t; | |||||||
3260 | ||||||||
3261 | static void __kmp_print_structure_team_accum( // Add team to list of teams. | |||||||
3262 | kmp_team_list_t list, // List of teams. | |||||||
3263 | kmp_team_p const *team // Team to add. | |||||||
3264 | ) { | |||||||
3265 | ||||||||
3266 | // List must terminate with item where both entry and next are NULL. | |||||||
3267 | // Team is added to the list only once. | |||||||
3268 | // List is sorted in ascending order by team id. | |||||||
3269 | // Team id is *not* a key. | |||||||
3270 | ||||||||
3271 | kmp_team_list_t l; | |||||||
3272 | ||||||||
3273 | KMP_DEBUG_ASSERT(list != NULL)((list != __null) ? 0 : __kmp_debug_assert("list != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3273)); | |||||||
3274 | if (team == NULL__null) { | |||||||
3275 | return; | |||||||
3276 | } | |||||||
3277 | ||||||||
3278 | __kmp_print_structure_team_accum(list, team->t.t_parent); | |||||||
3279 | __kmp_print_structure_team_accum(list, team->t.t_next_pool); | |||||||
3280 | ||||||||
3281 | // Search list for the team. | |||||||
3282 | l = list; | |||||||
3283 | while (l->next != NULL__null && l->entry != team) { | |||||||
3284 | l = l->next; | |||||||
3285 | } | |||||||
3286 | if (l->next != NULL__null) { | |||||||
3287 | return; // Team has been added before, exit. | |||||||
3288 | } | |||||||
3289 | ||||||||
3290 | // Team is not found. Search list again for insertion point. | |||||||
3291 | l = list; | |||||||
3292 | while (l->next != NULL__null && l->entry->t.t_id <= team->t.t_id) { | |||||||
3293 | l = l->next; | |||||||
3294 | } | |||||||
3295 | ||||||||
3296 | // Insert team. | |||||||
3297 | { | |||||||
3298 | kmp_team_list_item_t *item = (kmp_team_list_item_t *)KMP_INTERNAL_MALLOC(malloc(sizeof(kmp_team_list_item_t)) | |||||||
3299 | sizeof(kmp_team_list_item_t))malloc(sizeof(kmp_team_list_item_t)); | |||||||
3300 | *item = *l; | |||||||
3301 | l->entry = team; | |||||||
3302 | l->next = item; | |||||||
3303 | } | |||||||
3304 | } | |||||||
3305 | ||||||||
3306 | static void __kmp_print_structure_team(char const *title, kmp_team_p const *team | |||||||
3307 | ||||||||
3308 | ) { | |||||||
3309 | __kmp_printf("%s", title); | |||||||
3310 | if (team != NULL__null) { | |||||||
3311 | __kmp_printf("%2x %p\n", team->t.t_id, team); | |||||||
3312 | } else { | |||||||
3313 | __kmp_printf(" - (nil)\n"); | |||||||
3314 | } | |||||||
3315 | } | |||||||
3316 | ||||||||
3317 | static void __kmp_print_structure_thread(char const *title, | |||||||
3318 | kmp_info_p const *thread) { | |||||||
3319 | __kmp_printf("%s", title); | |||||||
3320 | if (thread != NULL__null) { | |||||||
3321 | __kmp_printf("%2d %p\n", thread->th.th_info.ds.ds_gtid, thread); | |||||||
3322 | } else { | |||||||
3323 | __kmp_printf(" - (nil)\n"); | |||||||
3324 | } | |||||||
3325 | } | |||||||
3326 | ||||||||
3327 | void __kmp_print_structure(void) { | |||||||
3328 | ||||||||
3329 | kmp_team_list_t list; | |||||||
3330 | ||||||||
3331 | // Initialize list of teams. | |||||||
3332 | list = | |||||||
3333 | (kmp_team_list_item_t *)KMP_INTERNAL_MALLOC(sizeof(kmp_team_list_item_t))malloc(sizeof(kmp_team_list_item_t)); | |||||||
3334 | list->entry = NULL__null; | |||||||
3335 | list->next = NULL__null; | |||||||
3336 | ||||||||
3337 | __kmp_printf("\n------------------------------\nGlobal Thread " | |||||||
3338 | "Table\n------------------------------\n"); | |||||||
3339 | { | |||||||
3340 | int gtid; | |||||||
3341 | for (gtid = 0; gtid < __kmp_threads_capacity; ++gtid) { | |||||||
3342 | __kmp_printf("%2d", gtid); | |||||||
3343 | if (__kmp_threads != NULL__null) { | |||||||
3344 | __kmp_printf(" %p", __kmp_threads[gtid]); | |||||||
3345 | } | |||||||
3346 | if (__kmp_root != NULL__null) { | |||||||
3347 | __kmp_printf(" %p", __kmp_root[gtid]); | |||||||
3348 | } | |||||||
3349 | __kmp_printf("\n"); | |||||||
3350 | } | |||||||
3351 | } | |||||||
3352 | ||||||||
3353 | // Print out __kmp_threads array. | |||||||
3354 | __kmp_printf("\n------------------------------\nThreads\n--------------------" | |||||||
3355 | "----------\n"); | |||||||
3356 | if (__kmp_threads != NULL__null) { | |||||||
3357 | int gtid; | |||||||
3358 | for (gtid = 0; gtid < __kmp_threads_capacity; ++gtid) { | |||||||
3359 | kmp_info_t const *thread = __kmp_threads[gtid]; | |||||||
3360 | if (thread != NULL__null) { | |||||||
3361 | __kmp_printf("GTID %2d %p:\n", gtid, thread); | |||||||
3362 | __kmp_printf(" Our Root: %p\n", thread->th.th_root); | |||||||
3363 | __kmp_print_structure_team(" Our Team: ", thread->th.th_team); | |||||||
3364 | __kmp_print_structure_team(" Serial Team: ", | |||||||
3365 | thread->th.th_serial_team); | |||||||
3366 | __kmp_printf(" Threads: %2d\n", thread->th.th_team_nproc); | |||||||
3367 | __kmp_print_structure_thread(" Master: ", | |||||||
3368 | thread->th.th_team_master); | |||||||
3369 | __kmp_printf(" Serialized?: %2d\n", thread->th.th_team_serialized); | |||||||
3370 | __kmp_printf(" Set NProc: %2d\n", thread->th.th_set_nproc); | |||||||
3371 | #if OMP_40_ENABLED(50 >= 40) | |||||||
3372 | __kmp_printf(" Set Proc Bind: %2d\n", thread->th.th_set_proc_bind); | |||||||
3373 | #endif | |||||||
3374 | __kmp_print_structure_thread(" Next in pool: ", | |||||||
3375 | thread->th.th_next_pool); | |||||||
3376 | __kmp_printf("\n"); | |||||||
3377 | __kmp_print_structure_team_accum(list, thread->th.th_team); | |||||||
3378 | __kmp_print_structure_team_accum(list, thread->th.th_serial_team); | |||||||
3379 | } | |||||||
3380 | } | |||||||
3381 | } else { | |||||||
3382 | __kmp_printf("Threads array is not allocated.\n"); | |||||||
3383 | } | |||||||
3384 | ||||||||
3385 | // Print out __kmp_root array. | |||||||
3386 | __kmp_printf("\n------------------------------\nUbers\n----------------------" | |||||||
3387 | "--------\n"); | |||||||
3388 | if (__kmp_root != NULL__null) { | |||||||
3389 | int gtid; | |||||||
3390 | for (gtid = 0; gtid < __kmp_threads_capacity; ++gtid) { | |||||||
3391 | kmp_root_t const *root = __kmp_root[gtid]; | |||||||
3392 | if (root != NULL__null) { | |||||||
3393 | __kmp_printf("GTID %2d %p:\n", gtid, root); | |||||||
3394 | __kmp_print_structure_team(" Root Team: ", root->r.r_root_team); | |||||||
3395 | __kmp_print_structure_team(" Hot Team: ", root->r.r_hot_team); | |||||||
3396 | __kmp_print_structure_thread(" Uber Thread: ", | |||||||
3397 | root->r.r_uber_thread); | |||||||
3398 | __kmp_printf(" Active?: %2d\n", root->r.r_active); | |||||||
3399 | __kmp_printf(" Nested?: %2d\n", root->r.r_nested); | |||||||
3400 | __kmp_printf(" In Parallel: %2d\n", | |||||||
3401 | KMP_ATOMIC_LD_RLX(&root->r.r_in_parallel)(&root->r.r_in_parallel)->load(std::memory_order_relaxed )); | |||||||
3402 | __kmp_printf("\n"); | |||||||
3403 | __kmp_print_structure_team_accum(list, root->r.r_root_team); | |||||||
3404 | __kmp_print_structure_team_accum(list, root->r.r_hot_team); | |||||||
3405 | } | |||||||
3406 | } | |||||||
3407 | } else { | |||||||
3408 | __kmp_printf("Ubers array is not allocated.\n"); | |||||||
3409 | } | |||||||
3410 | ||||||||
3411 | __kmp_printf("\n------------------------------\nTeams\n----------------------" | |||||||
3412 | "--------\n"); | |||||||
3413 | while (list->next != NULL__null) { | |||||||
3414 | kmp_team_p const *team = list->entry; | |||||||
3415 | int i; | |||||||
3416 | __kmp_printf("Team %2x %p:\n", team->t.t_id, team); | |||||||
3417 | __kmp_print_structure_team(" Parent Team: ", team->t.t_parent); | |||||||
3418 | __kmp_printf(" Master TID: %2d\n", team->t.t_master_tid); | |||||||
3419 | __kmp_printf(" Max threads: %2d\n", team->t.t_max_nproc); | |||||||
3420 | __kmp_printf(" Levels of serial: %2d\n", team->t.t_serialized); | |||||||
3421 | __kmp_printf(" Number threads: %2d\n", team->t.t_nproc); | |||||||
3422 | for (i = 0; i < team->t.t_nproc; ++i) { | |||||||
3423 | __kmp_printf(" Thread %2d: ", i); | |||||||
3424 | __kmp_print_structure_thread("", team->t.t_threads[i]); | |||||||
3425 | } | |||||||
3426 | __kmp_print_structure_team(" Next in pool: ", team->t.t_next_pool); | |||||||
3427 | __kmp_printf("\n"); | |||||||
3428 | list = list->next; | |||||||
3429 | } | |||||||
3430 | ||||||||
3431 | // Print out __kmp_thread_pool and __kmp_team_pool. | |||||||
3432 | __kmp_printf("\n------------------------------\nPools\n----------------------" | |||||||
3433 | "--------\n"); | |||||||
3434 | __kmp_print_structure_thread("Thread pool: ", | |||||||
3435 | CCAST(kmp_info_t *, __kmp_thread_pool)const_cast<kmp_info_t *>(__kmp_thread_pool)); | |||||||
3436 | __kmp_print_structure_team("Team pool: ", | |||||||
3437 | CCAST(kmp_team_t *, __kmp_team_pool)const_cast<kmp_team_t *>(__kmp_team_pool)); | |||||||
3438 | __kmp_printf("\n"); | |||||||
3439 | ||||||||
3440 | // Free team list. | |||||||
3441 | while (list != NULL__null) { | |||||||
3442 | kmp_team_list_item_t *item = list; | |||||||
3443 | list = list->next; | |||||||
3444 | KMP_INTERNAL_FREE(item)free(item); | |||||||
3445 | } | |||||||
3446 | } | |||||||
3447 | ||||||||
3448 | #endif | |||||||
3449 | ||||||||
3450 | //--------------------------------------------------------------------------- | |||||||
3451 | // Stuff for per-thread fast random number generator | |||||||
3452 | // Table of primes | |||||||
3453 | static const unsigned __kmp_primes[] = { | |||||||
3454 | 0x9e3779b1, 0xffe6cc59, 0x2109f6dd, 0x43977ab5, 0xba5703f5, 0xb495a877, | |||||||
3455 | 0xe1626741, 0x79695e6b, 0xbc98c09f, 0xd5bee2b3, 0x287488f9, 0x3af18231, | |||||||
3456 | 0x9677cd4d, 0xbe3a6929, 0xadc6a877, 0xdcf0674b, 0xbe4d6fe9, 0x5f15e201, | |||||||
3457 | 0x99afc3fd, 0xf3f16801, 0xe222cfff, 0x24ba5fdb, 0x0620452d, 0x79f149e3, | |||||||
3458 | 0xc8b93f49, 0x972702cd, 0xb07dd827, 0x6c97d5ed, 0x085a3d61, 0x46eb5ea7, | |||||||
3459 | 0x3d9910ed, 0x2e687b5b, 0x29609227, 0x6eb081f1, 0x0954c4e1, 0x9d114db9, | |||||||
3460 | 0x542acfa9, 0xb3e6bd7b, 0x0742d917, 0xe9f3ffa7, 0x54581edb, 0xf2480f45, | |||||||
3461 | 0x0bb9288f, 0xef1affc7, 0x85fa0ca7, 0x3ccc14db, 0xe6baf34b, 0x343377f7, | |||||||
3462 | 0x5ca19031, 0xe6d9293b, 0xf0a9f391, 0x5d2e980b, 0xfc411073, 0xc3749363, | |||||||
3463 | 0xb892d829, 0x3549366b, 0x629750ad, 0xb98294e5, 0x892d9483, 0xc235baf3, | |||||||
3464 | 0x3d2402a3, 0x6bdef3c9, 0xbec333cd, 0x40c9520f}; | |||||||
3465 | ||||||||
3466 | //--------------------------------------------------------------------------- | |||||||
3467 | // __kmp_get_random: Get a random number using a linear congruential method. | |||||||
3468 | unsigned short __kmp_get_random(kmp_info_t *thread) { | |||||||
3469 | unsigned x = thread->th.th_x; | |||||||
3470 | unsigned short r = x >> 16; | |||||||
3471 | ||||||||
3472 | thread->th.th_x = x * thread->th.th_a + 1; | |||||||
3473 | ||||||||
3474 | KA_TRACE(30, ("__kmp_get_random: THREAD: %d, RETURN: %u\n",if (kmp_a_debug >= 30) { __kmp_debug_printf ("__kmp_get_random: THREAD: %d, RETURN: %u\n" , thread->th.th_info.ds.ds_tid, r); } | |||||||
3475 | thread->th.th_info.ds.ds_tid, r))if (kmp_a_debug >= 30) { __kmp_debug_printf ("__kmp_get_random: THREAD: %d, RETURN: %u\n" , thread->th.th_info.ds.ds_tid, r); }; | |||||||
3476 | ||||||||
3477 | return r; | |||||||
3478 | } | |||||||
3479 | //-------------------------------------------------------- | |||||||
3480 | // __kmp_init_random: Initialize a random number generator | |||||||
3481 | void __kmp_init_random(kmp_info_t *thread) { | |||||||
3482 | unsigned seed = thread->th.th_info.ds.ds_tid; | |||||||
3483 | ||||||||
3484 | thread->th.th_a = | |||||||
3485 | __kmp_primes[seed % (sizeof(__kmp_primes) / sizeof(__kmp_primes[0]))]; | |||||||
3486 | thread->th.th_x = (seed + 1) * thread->th.th_a + 1; | |||||||
3487 | KA_TRACE(30,if (kmp_a_debug >= 30) { __kmp_debug_printf ("__kmp_init_random: THREAD: %u; A: %u\n" , seed, thread->th.th_a); } | |||||||
3488 | ("__kmp_init_random: THREAD: %u; A: %u\n", seed, thread->th.th_a))if (kmp_a_debug >= 30) { __kmp_debug_printf ("__kmp_init_random: THREAD: %u; A: %u\n" , seed, thread->th.th_a); }; | |||||||
3489 | } | |||||||
3490 | ||||||||
3491 | #if KMP_OS_WINDOWS0 | |||||||
3492 | /* reclaim array entries for root threads that are already dead, returns number | |||||||
3493 | * reclaimed */ | |||||||
3494 | static int __kmp_reclaim_dead_roots(void) { | |||||||
3495 | int i, r = 0; | |||||||
3496 | ||||||||
3497 | for (i = 0; i < __kmp_threads_capacity; ++i) { | |||||||
3498 | if (KMP_UBER_GTID(i)((((i) >= (-6)) ? 0 : __kmp_debug_assert("(i) >= (-6)", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3498)), (((i) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(i) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3498)), (i) >= 0 && __kmp_root[(i)] && __kmp_threads [(i)] && (__kmp_threads[(i)] == __kmp_root[(i)]->r .r_uber_thread)) && | |||||||
3499 | !__kmp_still_running((kmp_info_t *)TCR_SYNC_PTR(__kmp_threads[i])((void *)(__kmp_threads[i]))) && | |||||||
3500 | !__kmp_root[i] | |||||||
3501 | ->r.r_active) { // AC: reclaim only roots died in non-active state | |||||||
3502 | r += __kmp_unregister_root_other_thread(i); | |||||||
3503 | } | |||||||
3504 | } | |||||||
3505 | return r; | |||||||
3506 | } | |||||||
3507 | #endif | |||||||
3508 | ||||||||
3509 | /* This function attempts to create free entries in __kmp_threads and | |||||||
3510 | __kmp_root, and returns the number of free entries generated. | |||||||
3511 | ||||||||
3512 | For Windows* OS static library, the first mechanism used is to reclaim array | |||||||
3513 | entries for root threads that are already dead. | |||||||
3514 | ||||||||
3515 | On all platforms, expansion is attempted on the arrays __kmp_threads_ and | |||||||
3516 | __kmp_root, with appropriate update to __kmp_threads_capacity. Array | |||||||
3517 | capacity is increased by doubling with clipping to __kmp_tp_capacity, if | |||||||
3518 | threadprivate cache array has been created. Synchronization with | |||||||
3519 | __kmpc_threadprivate_cached is done using __kmp_tp_cached_lock. | |||||||
3520 | ||||||||
3521 | After any dead root reclamation, if the clipping value allows array expansion | |||||||
3522 | to result in the generation of a total of nNeed free slots, the function does | |||||||
3523 | that expansion. If not, nothing is done beyond the possible initial root | |||||||
3524 | thread reclamation. | |||||||
3525 | ||||||||
3526 | If any argument is negative, the behavior is undefined. */ | |||||||
3527 | static int __kmp_expand_threads(int nNeed) { | |||||||
3528 | int added = 0; | |||||||
3529 | int minimumRequiredCapacity; | |||||||
3530 | int newCapacity; | |||||||
3531 | kmp_info_t **newThreads; | |||||||
3532 | kmp_root_t **newRoot; | |||||||
3533 | ||||||||
3534 | // All calls to __kmp_expand_threads should be under __kmp_forkjoin_lock, so | |||||||
3535 | // resizing __kmp_threads does not need additional protection if foreign | |||||||
3536 | // threads are present | |||||||
3537 | ||||||||
3538 | #if KMP_OS_WINDOWS0 && !defined KMP_DYNAMIC_LIB1 | |||||||
3539 | /* only for Windows static library */ | |||||||
3540 | /* reclaim array entries for root threads that are already dead */ | |||||||
3541 | added = __kmp_reclaim_dead_roots(); | |||||||
3542 | ||||||||
3543 | if (nNeed) { | |||||||
3544 | nNeed -= added; | |||||||
3545 | if (nNeed < 0) | |||||||
3546 | nNeed = 0; | |||||||
3547 | } | |||||||
3548 | #endif | |||||||
3549 | if (nNeed <= 0) | |||||||
3550 | return added; | |||||||
3551 | ||||||||
3552 | // Note that __kmp_threads_capacity is not bounded by __kmp_max_nth. If | |||||||
3553 | // __kmp_max_nth is set to some value less than __kmp_sys_max_nth by the | |||||||
3554 | // user via KMP_DEVICE_THREAD_LIMIT, then __kmp_threads_capacity may become | |||||||
3555 | // > __kmp_max_nth in one of two ways: | |||||||
3556 | // | |||||||
3557 | // 1) The initialization thread (gtid = 0) exits. __kmp_threads[0] | |||||||
3558 | // may not be resused by another thread, so we may need to increase | |||||||
3559 | // __kmp_threads_capacity to __kmp_max_nth + 1. | |||||||
3560 | // | |||||||
3561 | // 2) New foreign root(s) are encountered. We always register new foreign | |||||||
3562 | // roots. This may cause a smaller # of threads to be allocated at | |||||||
3563 | // subsequent parallel regions, but the worker threads hang around (and | |||||||
3564 | // eventually go to sleep) and need slots in the __kmp_threads[] array. | |||||||
3565 | // | |||||||
3566 | // Anyway, that is the reason for moving the check to see if | |||||||
3567 | // __kmp_max_nth was exceeded into __kmp_reserve_threads() | |||||||
3568 | // instead of having it performed here. -BB | |||||||
3569 | ||||||||
3570 | KMP_DEBUG_ASSERT(__kmp_sys_max_nth >= __kmp_threads_capacity)((__kmp_sys_max_nth >= __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("__kmp_sys_max_nth >= __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3570)); | |||||||
3571 | ||||||||
3572 | /* compute expansion headroom to check if we can expand */ | |||||||
3573 | if (__kmp_sys_max_nth - __kmp_threads_capacity < nNeed) { | |||||||
3574 | /* possible expansion too small -- give up */ | |||||||
3575 | return added; | |||||||
3576 | } | |||||||
3577 | minimumRequiredCapacity = __kmp_threads_capacity + nNeed; | |||||||
3578 | ||||||||
3579 | newCapacity = __kmp_threads_capacity; | |||||||
3580 | do { | |||||||
3581 | newCapacity = newCapacity <= (__kmp_sys_max_nth >> 1) ? (newCapacity << 1) | |||||||
3582 | : __kmp_sys_max_nth; | |||||||
3583 | } while (newCapacity < minimumRequiredCapacity); | |||||||
3584 | newThreads = (kmp_info_t **)__kmp_allocate(___kmp_allocate(((sizeof(kmp_info_t *) + sizeof(kmp_root_t *) ) * newCapacity + 64), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3585) | |||||||
3585 | (sizeof(kmp_info_t *) + sizeof(kmp_root_t *)) * newCapacity + CACHE_LINE)___kmp_allocate(((sizeof(kmp_info_t *) + sizeof(kmp_root_t *) ) * newCapacity + 64), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3585); | |||||||
3586 | newRoot = | |||||||
3587 | (kmp_root_t **)((char *)newThreads + sizeof(kmp_info_t *) * newCapacity); | |||||||
3588 | KMP_MEMCPYmemcpy(newThreads, __kmp_threads, | |||||||
3589 | __kmp_threads_capacity * sizeof(kmp_info_t *)); | |||||||
3590 | KMP_MEMCPYmemcpy(newRoot, __kmp_root, | |||||||
3591 | __kmp_threads_capacity * sizeof(kmp_root_t *)); | |||||||
3592 | ||||||||
3593 | kmp_info_t **temp_threads = __kmp_threads; | |||||||
3594 | *(kmp_info_t * *volatile *)&__kmp_threads = newThreads; | |||||||
3595 | *(kmp_root_t * *volatile *)&__kmp_root = newRoot; | |||||||
3596 | __kmp_free(temp_threads)___kmp_free((temp_threads), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3596); | |||||||
3597 | added += newCapacity - __kmp_threads_capacity; | |||||||
3598 | *(volatile int *)&__kmp_threads_capacity = newCapacity; | |||||||
3599 | ||||||||
3600 | if (newCapacity > __kmp_tp_capacity) { | |||||||
3601 | __kmp_acquire_bootstrap_lock(&__kmp_tp_cached_lock); | |||||||
3602 | if (__kmp_tp_cached && newCapacity > __kmp_tp_capacity) { | |||||||
3603 | __kmp_threadprivate_resize_cache(newCapacity); | |||||||
3604 | } else { // increase __kmp_tp_capacity to correspond with kmp_threads size | |||||||
3605 | *(volatile int *)&__kmp_tp_capacity = newCapacity; | |||||||
3606 | } | |||||||
3607 | __kmp_release_bootstrap_lock(&__kmp_tp_cached_lock); | |||||||
3608 | } | |||||||
3609 | ||||||||
3610 | return added; | |||||||
3611 | } | |||||||
3612 | ||||||||
3613 | /* Register the current thread as a root thread and obtain our gtid. We must | |||||||
3614 | have the __kmp_initz_lock held at this point. Argument TRUE only if are the | |||||||
3615 | thread that calls from __kmp_do_serial_initialize() */ | |||||||
3616 | int __kmp_register_root(int initial_thread) { | |||||||
3617 | kmp_info_t *root_thread; | |||||||
3618 | kmp_root_t *root; | |||||||
3619 | int gtid; | |||||||
3620 | int capacity; | |||||||
3621 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
3622 | KA_TRACE(20, ("__kmp_register_root: entered\n"))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_register_root: entered\n" ); }; | |||||||
3623 | KMP_MB(); | |||||||
3624 | ||||||||
3625 | /* 2007-03-02: | |||||||
3626 | If initial thread did not invoke OpenMP RTL yet, and this thread is not an | |||||||
3627 | initial one, "__kmp_all_nth >= __kmp_threads_capacity" condition does not | |||||||
3628 | work as expected -- it may return false (that means there is at least one | |||||||
3629 | empty slot in __kmp_threads array), but it is possible the only free slot | |||||||
3630 | is #0, which is reserved for initial thread and so cannot be used for this | |||||||
3631 | one. Following code workarounds this bug. | |||||||
3632 | ||||||||
3633 | However, right solution seems to be not reserving slot #0 for initial | |||||||
3634 | thread because: | |||||||
3635 | (1) there is no magic in slot #0, | |||||||
3636 | (2) we cannot detect initial thread reliably (the first thread which does | |||||||
3637 | serial initialization may be not a real initial thread). | |||||||
3638 | */ | |||||||
3639 | capacity = __kmp_threads_capacity; | |||||||
3640 | if (!initial_thread && TCR_PTR(__kmp_threads[0])((void *)(__kmp_threads[0])) == NULL__null) { | |||||||
3641 | --capacity; | |||||||
3642 | } | |||||||
3643 | ||||||||
3644 | /* see if there are too many threads */ | |||||||
3645 | if (__kmp_all_nth >= capacity && !__kmp_expand_threads(1)) { | |||||||
3646 | if (__kmp_tp_cached) { | |||||||
3647 | __kmp_fatal(KMP_MSG(CantRegisterNewThread)__kmp_msg_format(kmp_i18n_msg_CantRegisterNewThread), | |||||||
3648 | KMP_HNT(Set_ALL_THREADPRIVATE, __kmp_tp_capacity)__kmp_msg_format(kmp_i18n_hnt_Set_ALL_THREADPRIVATE, __kmp_tp_capacity ), | |||||||
3649 | KMP_HNT(PossibleSystemLimitOnThreads)__kmp_msg_format(kmp_i18n_hnt_PossibleSystemLimitOnThreads), __kmp_msg_null); | |||||||
3650 | } else { | |||||||
3651 | __kmp_fatal(KMP_MSG(CantRegisterNewThread)__kmp_msg_format(kmp_i18n_msg_CantRegisterNewThread), KMP_HNT(SystemLimitOnThreads)__kmp_msg_format(kmp_i18n_hnt_SystemLimitOnThreads), | |||||||
3652 | __kmp_msg_null); | |||||||
3653 | } | |||||||
3654 | } | |||||||
3655 | ||||||||
3656 | /* find an available thread slot */ | |||||||
3657 | /* Don't reassign the zero slot since we need that to only be used by initial | |||||||
3658 | thread */ | |||||||
3659 | for (gtid = (initial_thread ? 0 : 1); TCR_PTR(__kmp_threads[gtid])((void *)(__kmp_threads[gtid])) != NULL__null; | |||||||
3660 | gtid++) | |||||||
3661 | ; | |||||||
3662 | KA_TRACE(1,if (kmp_a_debug >= 1) { __kmp_debug_printf ("__kmp_register_root: found slot in threads array: T#%d\n" , gtid); } | |||||||
3663 | ("__kmp_register_root: found slot in threads array: T#%d\n", gtid))if (kmp_a_debug >= 1) { __kmp_debug_printf ("__kmp_register_root: found slot in threads array: T#%d\n" , gtid); }; | |||||||
3664 | KMP_ASSERT(gtid < __kmp_threads_capacity)((gtid < __kmp_threads_capacity) ? 0 : __kmp_debug_assert( "gtid < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3664)); | |||||||
3665 | ||||||||
3666 | /* update global accounting */ | |||||||
3667 | __kmp_all_nth++; | |||||||
3668 | TCW_4(__kmp_nth, __kmp_nth + 1)(__kmp_nth) = (__kmp_nth + 1); | |||||||
3669 | ||||||||
3670 | // if __kmp_adjust_gtid_mode is set, then we use method #1 (sp search) for low | |||||||
3671 | // numbers of procs, and method #2 (keyed API call) for higher numbers. | |||||||
3672 | if (__kmp_adjust_gtid_mode) { | |||||||
3673 | if (__kmp_all_nth >= __kmp_tls_gtid_min) { | |||||||
3674 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) != 2) { | |||||||
3675 | TCW_4(__kmp_gtid_mode, 2)(__kmp_gtid_mode) = (2); | |||||||
3676 | } | |||||||
3677 | } else { | |||||||
3678 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) != 1) { | |||||||
3679 | TCW_4(__kmp_gtid_mode, 1)(__kmp_gtid_mode) = (1); | |||||||
3680 | } | |||||||
3681 | } | |||||||
3682 | } | |||||||
3683 | ||||||||
3684 | #ifdef KMP_ADJUST_BLOCKTIME1 | |||||||
3685 | /* Adjust blocktime to zero if necessary */ | |||||||
3686 | /* Middle initialization might not have occurred yet */ | |||||||
3687 | if (!__kmp_env_blocktime && (__kmp_avail_proc > 0)) { | |||||||
3688 | if (__kmp_nth > __kmp_avail_proc) { | |||||||
3689 | __kmp_zero_bt = TRUE(!0); | |||||||
3690 | } | |||||||
3691 | } | |||||||
3692 | #endif /* KMP_ADJUST_BLOCKTIME */ | |||||||
3693 | ||||||||
3694 | /* setup this new hierarchy */ | |||||||
3695 | if (!(root = __kmp_root[gtid])) { | |||||||
3696 | root = __kmp_root[gtid] = (kmp_root_t *)__kmp_allocate(sizeof(kmp_root_t))___kmp_allocate((sizeof(kmp_root_t)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3696); | |||||||
3697 | KMP_DEBUG_ASSERT(!root->r.r_root_team)((!root->r.r_root_team) ? 0 : __kmp_debug_assert("!root->r.r_root_team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3697)); | |||||||
3698 | } | |||||||
3699 | ||||||||
3700 | #if KMP_STATS_ENABLED0 | |||||||
3701 | // Initialize stats as soon as possible (right after gtid assignment). | |||||||
3702 | __kmp_stats_thread_ptr = __kmp_stats_list->push_back(gtid); | |||||||
3703 | KMP_START_EXPLICIT_TIMER(OMP_worker_thread_life)((void)0); | |||||||
3704 | KMP_SET_THREAD_STATE(SERIAL_REGION)((void)0); | |||||||
3705 | KMP_INIT_PARTITIONED_TIMERS(OMP_serial)((void)0); | |||||||
3706 | #endif | |||||||
3707 | __kmp_initialize_root(root); | |||||||
3708 | ||||||||
3709 | /* setup new root thread structure */ | |||||||
3710 | if (root->r.r_uber_thread) { | |||||||
3711 | root_thread = root->r.r_uber_thread; | |||||||
3712 | } else { | |||||||
3713 | root_thread = (kmp_info_t *)__kmp_allocate(sizeof(kmp_info_t))___kmp_allocate((sizeof(kmp_info_t)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3713); | |||||||
3714 | if (__kmp_storage_map) { | |||||||
3715 | __kmp_print_thread_storage_map(root_thread, gtid); | |||||||
3716 | } | |||||||
3717 | root_thread->th.th_info.ds.ds_gtid = gtid; | |||||||
3718 | #if OMPT_SUPPORT1 | |||||||
3719 | root_thread->th.ompt_thread_info.thread_data.ptr = NULL__null; | |||||||
3720 | #endif | |||||||
3721 | root_thread->th.th_root = root; | |||||||
3722 | if (__kmp_env_consistency_check) { | |||||||
3723 | root_thread->th.th_cons = __kmp_allocate_cons_stack(gtid); | |||||||
3724 | } | |||||||
3725 | #if USE_FAST_MEMORY3 | |||||||
3726 | __kmp_initialize_fast_memory(root_thread); | |||||||
3727 | #endif /* USE_FAST_MEMORY */ | |||||||
3728 | ||||||||
3729 | #if KMP_USE_BGET1 | |||||||
3730 | KMP_DEBUG_ASSERT(root_thread->th.th_local.bget_data == NULL)((root_thread->th.th_local.bget_data == __null) ? 0 : __kmp_debug_assert ("root_thread->th.th_local.bget_data == __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3730)); | |||||||
3731 | __kmp_initialize_bget(root_thread); | |||||||
3732 | #endif | |||||||
3733 | __kmp_init_random(root_thread); // Initialize random number generator | |||||||
3734 | } | |||||||
3735 | ||||||||
3736 | /* setup the serial team held in reserve by the root thread */ | |||||||
3737 | if (!root_thread->th.th_serial_team) { | |||||||
3738 | kmp_internal_control_t r_icvs = __kmp_get_global_icvs(); | |||||||
3739 | KF_TRACE(10, ("__kmp_register_root: before serial_team\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_register_root: before serial_team\n" ); }; | |||||||
3740 | root_thread->th.th_serial_team = | |||||||
3741 | __kmp_allocate_team(root, 1, 1, | |||||||
3742 | #if OMPT_SUPPORT1 | |||||||
3743 | ompt_data_none, // root parallel id | |||||||
3744 | #endif | |||||||
3745 | #if OMP_40_ENABLED(50 >= 40) | |||||||
3746 | proc_bind_default, | |||||||
3747 | #endif | |||||||
3748 | &r_icvs, 0 USE_NESTED_HOT_ARG(NULL), __null); | |||||||
3749 | } | |||||||
3750 | KMP_ASSERT(root_thread->th.th_serial_team)((root_thread->th.th_serial_team) ? 0 : __kmp_debug_assert ("root_thread->th.th_serial_team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3750)); | |||||||
3751 | KF_TRACE(10, ("__kmp_register_root: after serial_team = %p\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_register_root: after serial_team = %p\n" , root_thread->th.th_serial_team); } | |||||||
3752 | root_thread->th.th_serial_team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_register_root: after serial_team = %p\n" , root_thread->th.th_serial_team); }; | |||||||
3753 | ||||||||
3754 | /* drop root_thread into place */ | |||||||
3755 | TCW_SYNC_PTR(__kmp_threads[gtid], root_thread)((__kmp_threads[gtid])) = ((root_thread)); | |||||||
3756 | ||||||||
3757 | root->r.r_root_team->t.t_threads[0] = root_thread; | |||||||
3758 | root->r.r_hot_team->t.t_threads[0] = root_thread; | |||||||
3759 | root_thread->th.th_serial_team->t.t_threads[0] = root_thread; | |||||||
3760 | // AC: the team created in reserve, not for execution (it is unused for now). | |||||||
3761 | root_thread->th.th_serial_team->t.t_serialized = 0; | |||||||
3762 | root->r.r_uber_thread = root_thread; | |||||||
3763 | ||||||||
3764 | /* initialize the thread, get it ready to go */ | |||||||
3765 | __kmp_initialize_info(root_thread, root->r.r_root_team, 0, gtid); | |||||||
3766 | TCW_4(__kmp_init_gtid, TRUE)(__kmp_init_gtid) = ((!0)); | |||||||
3767 | ||||||||
3768 | /* prepare the master thread for get_gtid() */ | |||||||
3769 | __kmp_gtid_set_specific(gtid); | |||||||
3770 | ||||||||
3771 | #if USE_ITT_BUILD1 | |||||||
3772 | __kmp_itt_thread_name(gtid); | |||||||
3773 | #endif /* USE_ITT_BUILD */ | |||||||
3774 | ||||||||
3775 | #ifdef KMP_TDATA_GTID1 | |||||||
3776 | __kmp_gtid = gtid; | |||||||
3777 | #endif | |||||||
3778 | __kmp_create_worker(gtid, root_thread, __kmp_stksize); | |||||||
3779 | KMP_DEBUG_ASSERT(__kmp_gtid_get_specific() == gtid)((__kmp_gtid_get_specific() == gtid) ? 0 : __kmp_debug_assert ("__kmp_gtid_get_specific() == gtid", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3779)); | |||||||
3780 | ||||||||
3781 | KA_TRACE(20, ("__kmp_register_root: T#%d init T#%d(%d:%d) arrived: join=%u, "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_register_root: T#%d init T#%d(%d:%d) arrived: join=%u, " "plain=%u\n", gtid, ((((0) >= 0 && (root->r.r_hot_team ) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (root->r.r_hot_team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3783)), root->r.r_hot_team->t.t_threads[(0)]->th.th_info .ds.ds_gtid), root->r.r_hot_team->t.t_id, 0, 0, 0); } | |||||||
3782 | "plain=%u\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_register_root: T#%d init T#%d(%d:%d) arrived: join=%u, " "plain=%u\n", gtid, ((((0) >= 0 && (root->r.r_hot_team ) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (root->r.r_hot_team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3783)), root->r.r_hot_team->t.t_threads[(0)]->th.th_info .ds.ds_gtid), root->r.r_hot_team->t.t_id, 0, 0, 0); } | |||||||
3783 | gtid, __kmp_gtid_from_tid(0, root->r.r_hot_team),if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_register_root: T#%d init T#%d(%d:%d) arrived: join=%u, " "plain=%u\n", gtid, ((((0) >= 0 && (root->r.r_hot_team ) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (root->r.r_hot_team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3783)), root->r.r_hot_team->t.t_threads[(0)]->th.th_info .ds.ds_gtid), root->r.r_hot_team->t.t_id, 0, 0, 0); } | |||||||
3784 | root->r.r_hot_team->t.t_id, 0, KMP_INIT_BARRIER_STATE,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_register_root: T#%d init T#%d(%d:%d) arrived: join=%u, " "plain=%u\n", gtid, ((((0) >= 0 && (root->r.r_hot_team ) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (root->r.r_hot_team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3783)), root->r.r_hot_team->t.t_threads[(0)]->th.th_info .ds.ds_gtid), root->r.r_hot_team->t.t_id, 0, 0, 0); } | |||||||
3785 | KMP_INIT_BARRIER_STATE))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_register_root: T#%d init T#%d(%d:%d) arrived: join=%u, " "plain=%u\n", gtid, ((((0) >= 0 && (root->r.r_hot_team ) != __null) ? 0 : __kmp_debug_assert("(0) >= 0 && (root->r.r_hot_team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3783)), root->r.r_hot_team->t.t_threads[(0)]->th.th_info .ds.ds_gtid), root->r.r_hot_team->t.t_id, 0, 0, 0); }; | |||||||
3786 | { // Initialize barrier data. | |||||||
3787 | int b; | |||||||
3788 | for (b = 0; b < bs_last_barrier; ++b) { | |||||||
3789 | root_thread->th.th_bar[b].bb.b_arrived = KMP_INIT_BARRIER_STATE0; | |||||||
3790 | #if USE_DEBUGGER0 | |||||||
3791 | root_thread->th.th_bar[b].bb.b_worker_arrived = 0; | |||||||
3792 | #endif | |||||||
3793 | } | |||||||
3794 | } | |||||||
3795 | KMP_DEBUG_ASSERT(root->r.r_hot_team->t.t_bar[bs_forkjoin_barrier].b_arrived ==((root->r.r_hot_team->t.t_bar[bs_forkjoin_barrier].b_arrived == 0) ? 0 : __kmp_debug_assert("root->r.r_hot_team->t.t_bar[bs_forkjoin_barrier].b_arrived == 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3796)) | |||||||
3796 | KMP_INIT_BARRIER_STATE)((root->r.r_hot_team->t.t_bar[bs_forkjoin_barrier].b_arrived == 0) ? 0 : __kmp_debug_assert("root->r.r_hot_team->t.t_bar[bs_forkjoin_barrier].b_arrived == 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3796)); | |||||||
3797 | ||||||||
3798 | #if KMP_AFFINITY_SUPPORTED1 | |||||||
3799 | #if OMP_40_ENABLED(50 >= 40) | |||||||
3800 | root_thread->th.th_current_place = KMP_PLACE_UNDEFINED(-2); | |||||||
3801 | root_thread->th.th_new_place = KMP_PLACE_UNDEFINED(-2); | |||||||
3802 | root_thread->th.th_first_place = KMP_PLACE_UNDEFINED(-2); | |||||||
3803 | root_thread->th.th_last_place = KMP_PLACE_UNDEFINED(-2); | |||||||
3804 | #endif | |||||||
3805 | ||||||||
3806 | if (TCR_4(__kmp_init_middle)(__kmp_init_middle)) { | |||||||
3807 | __kmp_affinity_set_init_mask(gtid, TRUE(!0)); | |||||||
3808 | } | |||||||
3809 | #endif /* KMP_AFFINITY_SUPPORTED */ | |||||||
3810 | ||||||||
3811 | __kmp_root_counter++; | |||||||
3812 | ||||||||
3813 | #if OMPT_SUPPORT1 | |||||||
3814 | if (!initial_thread && ompt_enabled.enabled) { | |||||||
3815 | ||||||||
3816 | ompt_thread_t *root_thread = ompt_get_thread(); | |||||||
3817 | ||||||||
3818 | ompt_set_thread_state(root_thread, omp_state_overhead); | |||||||
3819 | ||||||||
3820 | if (ompt_enabled.ompt_callback_thread_begin) { | |||||||
3821 | ompt_callbacks.ompt_callback(ompt_callback_thread_begin)ompt_callback_thread_begin_callback( | |||||||
3822 | ompt_thread_initial, __ompt_get_thread_data_internal()); | |||||||
3823 | } | |||||||
3824 | ompt_data_t *task_data; | |||||||
3825 | __ompt_get_task_info_internal(0, NULL__null, &task_data, NULL__null, NULL__null, NULL__null); | |||||||
3826 | if (ompt_enabled.ompt_callback_task_create) { | |||||||
3827 | ompt_callbacks.ompt_callback(ompt_callback_task_create)ompt_callback_task_create_callback( | |||||||
3828 | NULL__null, NULL__null, task_data, ompt_task_initial, 0, NULL__null); | |||||||
3829 | // initial task has nothing to return to | |||||||
3830 | } | |||||||
3831 | ||||||||
3832 | ompt_set_thread_state(root_thread, omp_state_work_serial); | |||||||
3833 | } | |||||||
3834 | #endif | |||||||
3835 | ||||||||
3836 | KMP_MB(); | |||||||
3837 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
3838 | ||||||||
3839 | return gtid; | |||||||
3840 | } | |||||||
3841 | ||||||||
3842 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
3843 | static int __kmp_free_hot_teams(kmp_root_t *root, kmp_info_t *thr, int level, | |||||||
3844 | const int max_level) { | |||||||
3845 | int i, n, nth; | |||||||
3846 | kmp_hot_team_ptr_t *hot_teams = thr->th.th_hot_teams; | |||||||
3847 | if (!hot_teams || !hot_teams[level].hot_team) { | |||||||
3848 | return 0; | |||||||
3849 | } | |||||||
3850 | KMP_DEBUG_ASSERT(level < max_level)((level < max_level) ? 0 : __kmp_debug_assert("level < max_level" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3850)); | |||||||
3851 | kmp_team_t *team = hot_teams[level].hot_team; | |||||||
3852 | nth = hot_teams[level].hot_team_nth; | |||||||
3853 | n = nth - 1; // master is not freed | |||||||
3854 | if (level < max_level - 1) { | |||||||
3855 | for (i = 0; i < nth; ++i) { | |||||||
3856 | kmp_info_t *th = team->t.t_threads[i]; | |||||||
3857 | n += __kmp_free_hot_teams(root, th, level + 1, max_level); | |||||||
3858 | if (i > 0 && th->th.th_hot_teams) { | |||||||
3859 | __kmp_free(th->th.th_hot_teams)___kmp_free((th->th.th_hot_teams), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3859); | |||||||
3860 | th->th.th_hot_teams = NULL__null; | |||||||
3861 | } | |||||||
3862 | } | |||||||
3863 | } | |||||||
3864 | __kmp_free_team(root, team, NULL__null); | |||||||
3865 | return n; | |||||||
3866 | } | |||||||
3867 | #endif | |||||||
3868 | ||||||||
3869 | // Resets a root thread and clear its root and hot teams. | |||||||
3870 | // Returns the number of __kmp_threads entries directly and indirectly freed. | |||||||
3871 | static int __kmp_reset_root(int gtid, kmp_root_t *root) { | |||||||
3872 | kmp_team_t *root_team = root->r.r_root_team; | |||||||
3873 | kmp_team_t *hot_team = root->r.r_hot_team; | |||||||
3874 | int n = hot_team->t.t_nproc; | |||||||
3875 | int i; | |||||||
3876 | ||||||||
3877 | KMP_DEBUG_ASSERT(!root->r.r_active)((!root->r.r_active) ? 0 : __kmp_debug_assert("!root->r.r_active" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3877)); | |||||||
3878 | ||||||||
3879 | root->r.r_root_team = NULL__null; | |||||||
3880 | root->r.r_hot_team = NULL__null; | |||||||
3881 | // __kmp_free_team() does not free hot teams, so we have to clear r_hot_team | |||||||
3882 | // before call to __kmp_free_team(). | |||||||
3883 | __kmp_free_team(root, root_team USE_NESTED_HOT_ARG(NULL), __null); | |||||||
3884 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
3885 | if (__kmp_hot_teams_max_level > | |||||||
3886 | 0) { // need to free nested hot teams and their threads if any | |||||||
3887 | for (i = 0; i < hot_team->t.t_nproc; ++i) { | |||||||
3888 | kmp_info_t *th = hot_team->t.t_threads[i]; | |||||||
3889 | if (__kmp_hot_teams_max_level > 1) { | |||||||
3890 | n += __kmp_free_hot_teams(root, th, 1, __kmp_hot_teams_max_level); | |||||||
3891 | } | |||||||
3892 | if (th->th.th_hot_teams) { | |||||||
3893 | __kmp_free(th->th.th_hot_teams)___kmp_free((th->th.th_hot_teams), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3893); | |||||||
3894 | th->th.th_hot_teams = NULL__null; | |||||||
3895 | } | |||||||
3896 | } | |||||||
3897 | } | |||||||
3898 | #endif | |||||||
3899 | __kmp_free_team(root, hot_team USE_NESTED_HOT_ARG(NULL), __null); | |||||||
3900 | ||||||||
3901 | // Before we can reap the thread, we need to make certain that all other | |||||||
3902 | // threads in the teams that had this root as ancestor have stopped trying to | |||||||
3903 | // steal tasks. | |||||||
3904 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
3905 | __kmp_wait_to_unref_task_teams(); | |||||||
3906 | } | |||||||
3907 | ||||||||
3908 | #if KMP_OS_WINDOWS0 | |||||||
3909 | /* Close Handle of root duplicated in __kmp_create_worker (tr #62919) */ | |||||||
3910 | KA_TRACE(if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_reset_root: free handle, th = %p, handle = %" "lu" "\n", (LPVOID) & (root->r.r_uber_thread->th), root->r.r_uber_thread->th.th_info.ds.ds_thread); } | |||||||
3911 | 10, ("__kmp_reset_root: free handle, th = %p, handle = %" KMP_UINTPTR_SPECif (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_reset_root: free handle, th = %p, handle = %" "lu" "\n", (LPVOID) & (root->r.r_uber_thread->th), root->r.r_uber_thread->th.th_info.ds.ds_thread); } | |||||||
3912 | "\n",if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_reset_root: free handle, th = %p, handle = %" "lu" "\n", (LPVOID) & (root->r.r_uber_thread->th), root->r.r_uber_thread->th.th_info.ds.ds_thread); } | |||||||
3913 | (LPVOID) & (root->r.r_uber_thread->th),if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_reset_root: free handle, th = %p, handle = %" "lu" "\n", (LPVOID) & (root->r.r_uber_thread->th), root->r.r_uber_thread->th.th_info.ds.ds_thread); } | |||||||
3914 | root->r.r_uber_thread->th.th_info.ds.ds_thread))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_reset_root: free handle, th = %p, handle = %" "lu" "\n", (LPVOID) & (root->r.r_uber_thread->th), root->r.r_uber_thread->th.th_info.ds.ds_thread); }; | |||||||
3915 | __kmp_free_handle(root->r.r_uber_thread->th.th_info.ds.ds_thread); | |||||||
3916 | #endif /* KMP_OS_WINDOWS */ | |||||||
3917 | ||||||||
3918 | #if OMPT_SUPPORT1 | |||||||
3919 | if (ompt_enabled.ompt_callback_thread_end) { | |||||||
3920 | ompt_callbacks.ompt_callback(ompt_callback_thread_end)ompt_callback_thread_end_callback( | |||||||
3921 | &(root->r.r_uber_thread->th.ompt_thread_info.thread_data)); | |||||||
3922 | } | |||||||
3923 | #endif | |||||||
3924 | ||||||||
3925 | TCW_4(__kmp_nth,(__kmp_nth) = (__kmp_nth - 1) | |||||||
3926 | __kmp_nth - 1)(__kmp_nth) = (__kmp_nth - 1); // __kmp_reap_thread will decrement __kmp_all_nth. | |||||||
3927 | root->r.r_cg_nthreads--; | |||||||
3928 | ||||||||
3929 | __kmp_reap_thread(root->r.r_uber_thread, 1); | |||||||
3930 | ||||||||
3931 | // We canot put root thread to __kmp_thread_pool, so we have to reap it istead | |||||||
3932 | // of freeing. | |||||||
3933 | root->r.r_uber_thread = NULL__null; | |||||||
3934 | /* mark root as no longer in use */ | |||||||
3935 | root->r.r_begin = FALSE0; | |||||||
3936 | ||||||||
3937 | return n; | |||||||
3938 | } | |||||||
3939 | ||||||||
3940 | void __kmp_unregister_root_current_thread(int gtid) { | |||||||
3941 | KA_TRACE(1, ("__kmp_unregister_root_current_thread: enter T#%d\n", gtid))if (kmp_a_debug >= 1) { __kmp_debug_printf ("__kmp_unregister_root_current_thread: enter T#%d\n" , gtid); }; | |||||||
3942 | /* this lock should be ok, since unregister_root_current_thread is never | |||||||
3943 | called during an abort, only during a normal close. furthermore, if you | |||||||
3944 | have the forkjoin lock, you should never try to get the initz lock */ | |||||||
3945 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
3946 | if (TCR_4(__kmp_global.g.g_done)(__kmp_global.g.g_done) || !__kmp_init_serial) { | |||||||
3947 | KC_TRACE(10, ("__kmp_unregister_root_current_thread: already finished, "if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_current_thread: already finished, " "exiting T#%d\n", gtid); } | |||||||
3948 | "exiting T#%d\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_current_thread: already finished, " "exiting T#%d\n", gtid); } | |||||||
3949 | gtid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_current_thread: already finished, " "exiting T#%d\n", gtid); }; | |||||||
3950 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
3951 | return; | |||||||
3952 | } | |||||||
3953 | kmp_root_t *root = __kmp_root[gtid]; | |||||||
3954 | ||||||||
3955 | KMP_DEBUG_ASSERT(__kmp_threads && __kmp_threads[gtid])((__kmp_threads && __kmp_threads[gtid]) ? 0 : __kmp_debug_assert ("__kmp_threads && __kmp_threads[gtid]", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3955)); | |||||||
3956 | KMP_ASSERT(KMP_UBER_GTID(gtid))((((((gtid) >= (-6)) ? 0 : __kmp_debug_assert("(gtid) >= (-6)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3956)), (((gtid) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(gtid) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3956)), (gtid) >= 0 && __kmp_root[(gtid)] && __kmp_threads[(gtid)] && (__kmp_threads[(gtid)] == __kmp_root [(gtid)]->r.r_uber_thread))) ? 0 : __kmp_debug_assert("KMP_UBER_GTID(gtid)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3956)); | |||||||
3957 | KMP_ASSERT(root == __kmp_threads[gtid]->th.th_root)((root == __kmp_threads[gtid]->th.th_root) ? 0 : __kmp_debug_assert ("root == __kmp_threads[gtid]->th.th_root", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3957)); | |||||||
3958 | KMP_ASSERT(root->r.r_active == FALSE)((root->r.r_active == 0) ? 0 : __kmp_debug_assert("root->r.r_active == FALSE" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 3958)); | |||||||
3959 | ||||||||
3960 | KMP_MB(); | |||||||
3961 | ||||||||
3962 | #if OMP_45_ENABLED(50 >= 45) | |||||||
3963 | kmp_info_t *thread = __kmp_threads[gtid]; | |||||||
3964 | kmp_team_t *team = thread->th.th_team; | |||||||
3965 | kmp_task_team_t *task_team = thread->th.th_task_team; | |||||||
3966 | ||||||||
3967 | // we need to wait for the proxy tasks before finishing the thread | |||||||
3968 | if (task_team != NULL__null && task_team->tt.tt_found_proxy_tasks) { | |||||||
3969 | #if OMPT_SUPPORT1 | |||||||
3970 | // the runtime is shutting down so we won't report any events | |||||||
3971 | thread->th.ompt_thread_info.state = omp_state_undefined; | |||||||
3972 | #endif | |||||||
3973 | __kmp_task_team_wait(thread, team USE_ITT_BUILD_ARG(NULL), __null); | |||||||
3974 | } | |||||||
3975 | #endif | |||||||
3976 | ||||||||
3977 | __kmp_reset_root(gtid, root); | |||||||
3978 | ||||||||
3979 | /* free up this thread slot */ | |||||||
3980 | __kmp_gtid_set_specific(KMP_GTID_DNE(-2)); | |||||||
3981 | #ifdef KMP_TDATA_GTID1 | |||||||
3982 | __kmp_gtid = KMP_GTID_DNE(-2); | |||||||
3983 | #endif | |||||||
3984 | ||||||||
3985 | KMP_MB(); | |||||||
3986 | KC_TRACE(10,if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_current_thread: T#%d unregistered\n" , gtid); } | |||||||
3987 | ("__kmp_unregister_root_current_thread: T#%d unregistered\n", gtid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_current_thread: T#%d unregistered\n" , gtid); }; | |||||||
3988 | ||||||||
3989 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
3990 | } | |||||||
3991 | ||||||||
3992 | #if KMP_OS_WINDOWS0 | |||||||
3993 | /* __kmp_forkjoin_lock must be already held | |||||||
3994 | Unregisters a root thread that is not the current thread. Returns the number | |||||||
3995 | of __kmp_threads entries freed as a result. */ | |||||||
3996 | static int __kmp_unregister_root_other_thread(int gtid) { | |||||||
3997 | kmp_root_t *root = __kmp_root[gtid]; | |||||||
3998 | int r; | |||||||
3999 | ||||||||
4000 | KA_TRACE(1, ("__kmp_unregister_root_other_thread: enter T#%d\n", gtid))if (kmp_a_debug >= 1) { __kmp_debug_printf ("__kmp_unregister_root_other_thread: enter T#%d\n" , gtid); }; | |||||||
4001 | KMP_DEBUG_ASSERT(__kmp_threads && __kmp_threads[gtid])((__kmp_threads && __kmp_threads[gtid]) ? 0 : __kmp_debug_assert ("__kmp_threads && __kmp_threads[gtid]", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4001)); | |||||||
4002 | KMP_ASSERT(KMP_UBER_GTID(gtid))((((((gtid) >= (-6)) ? 0 : __kmp_debug_assert("(gtid) >= (-6)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4002)), (((gtid) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(gtid) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4002)), (gtid) >= 0 && __kmp_root[(gtid)] && __kmp_threads[(gtid)] && (__kmp_threads[(gtid)] == __kmp_root [(gtid)]->r.r_uber_thread))) ? 0 : __kmp_debug_assert("KMP_UBER_GTID(gtid)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4002)); | |||||||
4003 | KMP_ASSERT(root == __kmp_threads[gtid]->th.th_root)((root == __kmp_threads[gtid]->th.th_root) ? 0 : __kmp_debug_assert ("root == __kmp_threads[gtid]->th.th_root", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4003)); | |||||||
4004 | KMP_ASSERT(root->r.r_active == FALSE)((root->r.r_active == 0) ? 0 : __kmp_debug_assert("root->r.r_active == FALSE" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4004)); | |||||||
4005 | ||||||||
4006 | r = __kmp_reset_root(gtid, root); | |||||||
4007 | KC_TRACE(10,if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_other_thread: T#%d unregistered\n" , gtid); } | |||||||
4008 | ("__kmp_unregister_root_other_thread: T#%d unregistered\n", gtid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_other_thread: T#%d unregistered\n" , gtid); }; | |||||||
4009 | return r; | |||||||
4010 | } | |||||||
4011 | #endif | |||||||
4012 | ||||||||
4013 | #if KMP_DEBUG1 | |||||||
4014 | void __kmp_task_info() { | |||||||
4015 | ||||||||
4016 | kmp_int32 gtid = __kmp_entry_gtid()__kmp_get_global_thread_id_reg(); | |||||||
4017 | kmp_int32 tid = __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4017)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid); | |||||||
4018 | kmp_info_t *this_thr = __kmp_threads[gtid]; | |||||||
4019 | kmp_team_t *steam = this_thr->th.th_serial_team; | |||||||
4020 | kmp_team_t *team = this_thr->th.th_team; | |||||||
4021 | ||||||||
4022 | __kmp_printf("__kmp_task_info: gtid=%d tid=%d t_thread=%p team=%p curtask=%p " | |||||||
4023 | "ptask=%p\n", | |||||||
4024 | gtid, tid, this_thr, team, this_thr->th.th_current_task, | |||||||
4025 | team->t.t_implicit_task_taskdata[tid].td_parent); | |||||||
4026 | } | |||||||
4027 | #endif // KMP_DEBUG | |||||||
4028 | ||||||||
4029 | /* TODO optimize with one big memclr, take out what isn't needed, split | |||||||
4030 | responsibility to workers as much as possible, and delay initialization of | |||||||
4031 | features as much as possible */ | |||||||
4032 | static void __kmp_initialize_info(kmp_info_t *this_thr, kmp_team_t *team, | |||||||
4033 | int tid, int gtid) { | |||||||
4034 | /* this_thr->th.th_info.ds.ds_gtid is setup in | |||||||
4035 | kmp_allocate_thread/create_worker. | |||||||
4036 | this_thr->th.th_serial_team is setup in __kmp_allocate_thread */ | |||||||
4037 | kmp_info_t *master = team->t.t_threads[0]; | |||||||
4038 | KMP_DEBUG_ASSERT(this_thr != NULL)((this_thr != __null) ? 0 : __kmp_debug_assert("this_thr != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4038)); | |||||||
4039 | KMP_DEBUG_ASSERT(this_thr->th.th_serial_team)((this_thr->th.th_serial_team) ? 0 : __kmp_debug_assert("this_thr->th.th_serial_team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4039)); | |||||||
4040 | KMP_DEBUG_ASSERT(team)((team) ? 0 : __kmp_debug_assert("team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4040)); | |||||||
4041 | KMP_DEBUG_ASSERT(team->t.t_threads)((team->t.t_threads) ? 0 : __kmp_debug_assert("team->t.t_threads" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4041)); | |||||||
4042 | KMP_DEBUG_ASSERT(team->t.t_dispatch)((team->t.t_dispatch) ? 0 : __kmp_debug_assert("team->t.t_dispatch" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4042)); | |||||||
4043 | KMP_DEBUG_ASSERT(master)((master) ? 0 : __kmp_debug_assert("master", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4043)); | |||||||
4044 | KMP_DEBUG_ASSERT(master->th.th_root)((master->th.th_root) ? 0 : __kmp_debug_assert("master->th.th_root" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4044)); | |||||||
4045 | ||||||||
4046 | KMP_MB(); | |||||||
4047 | ||||||||
4048 | TCW_SYNC_PTR(this_thr->th.th_team, team)((this_thr->th.th_team)) = ((team)); | |||||||
4049 | ||||||||
4050 | this_thr->th.th_info.ds.ds_tid = tid; | |||||||
4051 | this_thr->th.th_set_nproc = 0; | |||||||
4052 | if (__kmp_tasking_mode != tskm_immediate_exec) | |||||||
4053 | // When tasking is possible, threads are not safe to reap until they are | |||||||
4054 | // done tasking; this will be set when tasking code is exited in wait | |||||||
4055 | this_thr->th.th_reap_state = KMP_NOT_SAFE_TO_REAP0; | |||||||
4056 | else // no tasking --> always safe to reap | |||||||
4057 | this_thr->th.th_reap_state = KMP_SAFE_TO_REAP1; | |||||||
4058 | #if OMP_40_ENABLED(50 >= 40) | |||||||
4059 | this_thr->th.th_set_proc_bind = proc_bind_default; | |||||||
4060 | #if KMP_AFFINITY_SUPPORTED1 | |||||||
4061 | this_thr->th.th_new_place = this_thr->th.th_current_place; | |||||||
4062 | #endif | |||||||
4063 | #endif | |||||||
4064 | this_thr->th.th_root = master->th.th_root; | |||||||
4065 | ||||||||
4066 | /* setup the thread's cache of the team structure */ | |||||||
4067 | this_thr->th.th_team_nproc = team->t.t_nproc; | |||||||
4068 | this_thr->th.th_team_master = master; | |||||||
4069 | this_thr->th.th_team_serialized = team->t.t_serialized; | |||||||
4070 | TCW_PTR(this_thr->th.th_sleep_loc, NULL)((this_thr->th.th_sleep_loc)) = ((__null)); | |||||||
4071 | ||||||||
4072 | KMP_DEBUG_ASSERT(team->t.t_implicit_task_taskdata)((team->t.t_implicit_task_taskdata) ? 0 : __kmp_debug_assert ("team->t.t_implicit_task_taskdata", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4072)); | |||||||
4073 | ||||||||
4074 | KF_TRACE(10, ("__kmp_initialize_info1: T#%d:%d this_thread=%p curtask=%p\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_info1: T#%d:%d this_thread=%p curtask=%p\n" , tid, gtid, this_thr, this_thr->th.th_current_task); } | |||||||
4075 | tid, gtid, this_thr, this_thr->th.th_current_task))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_info1: T#%d:%d this_thread=%p curtask=%p\n" , tid, gtid, this_thr, this_thr->th.th_current_task); }; | |||||||
4076 | ||||||||
4077 | __kmp_init_implicit_task(this_thr->th.th_team_master->th.th_ident, this_thr, | |||||||
4078 | team, tid, TRUE(!0)); | |||||||
4079 | ||||||||
4080 | KF_TRACE(10, ("__kmp_initialize_info2: T#%d:%d this_thread=%p curtask=%p\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_info2: T#%d:%d this_thread=%p curtask=%p\n" , tid, gtid, this_thr, this_thr->th.th_current_task); } | |||||||
4081 | tid, gtid, this_thr, this_thr->th.th_current_task))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_info2: T#%d:%d this_thread=%p curtask=%p\n" , tid, gtid, this_thr, this_thr->th.th_current_task); }; | |||||||
4082 | // TODO: Initialize ICVs from parent; GEH - isn't that already done in | |||||||
4083 | // __kmp_initialize_team()? | |||||||
4084 | ||||||||
4085 | /* TODO no worksharing in speculative threads */ | |||||||
4086 | this_thr->th.th_dispatch = &team->t.t_dispatch[tid]; | |||||||
4087 | ||||||||
4088 | this_thr->th.th_local.this_construct = 0; | |||||||
4089 | ||||||||
4090 | if (!this_thr->th.th_pri_common) { | |||||||
4091 | this_thr->th.th_pri_common = | |||||||
4092 | (struct common_table *)__kmp_allocate(sizeof(struct common_table))___kmp_allocate((sizeof(struct common_table)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4092); | |||||||
4093 | if (__kmp_storage_map) { | |||||||
4094 | __kmp_print_storage_map_gtid( | |||||||
4095 | gtid, this_thr->th.th_pri_common, this_thr->th.th_pri_common + 1, | |||||||
4096 | sizeof(struct common_table), "th_%d.th_pri_common\n", gtid); | |||||||
4097 | } | |||||||
4098 | this_thr->th.th_pri_head = NULL__null; | |||||||
4099 | } | |||||||
4100 | ||||||||
4101 | /* Initialize dynamic dispatch */ | |||||||
4102 | { | |||||||
4103 | volatile kmp_disp_t *dispatch = this_thr->th.th_dispatch; | |||||||
4104 | // Use team max_nproc since this will never change for the team. | |||||||
4105 | size_t disp_size = | |||||||
4106 | sizeof(dispatch_private_info_t) * | |||||||
4107 | (team->t.t_max_nproc == 1 ? 1 : __kmp_dispatch_num_buffers); | |||||||
4108 | KD_TRACE(10, ("__kmp_initialize_info: T#%d max_nproc: %d\n", gtid,if (kmp_d_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_info: T#%d max_nproc: %d\n" , gtid, team->t.t_max_nproc); } | |||||||
4109 | team->t.t_max_nproc))if (kmp_d_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_info: T#%d max_nproc: %d\n" , gtid, team->t.t_max_nproc); }; | |||||||
4110 | KMP_ASSERT(dispatch)((dispatch) ? 0 : __kmp_debug_assert("dispatch", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4110)); | |||||||
4111 | KMP_DEBUG_ASSERT(team->t.t_dispatch)((team->t.t_dispatch) ? 0 : __kmp_debug_assert("team->t.t_dispatch" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4111)); | |||||||
4112 | KMP_DEBUG_ASSERT(dispatch == &team->t.t_dispatch[tid])((dispatch == &team->t.t_dispatch[tid]) ? 0 : __kmp_debug_assert ("dispatch == &team->t.t_dispatch[tid]", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4112)); | |||||||
4113 | ||||||||
4114 | dispatch->th_disp_index = 0; | |||||||
4115 | #if OMP_45_ENABLED(50 >= 45) | |||||||
4116 | dispatch->th_doacross_buf_idx = 0; | |||||||
4117 | #endif | |||||||
4118 | if (!dispatch->th_disp_buffer) { | |||||||
4119 | dispatch->th_disp_buffer = | |||||||
4120 | (dispatch_private_info_t *)__kmp_allocate(disp_size)___kmp_allocate((disp_size), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4120); | |||||||
4121 | ||||||||
4122 | if (__kmp_storage_map) { | |||||||
4123 | __kmp_print_storage_map_gtid( | |||||||
4124 | gtid, &dispatch->th_disp_buffer[0], | |||||||
4125 | &dispatch->th_disp_buffer[team->t.t_max_nproc == 1 | |||||||
4126 | ? 1 | |||||||
4127 | : __kmp_dispatch_num_buffers], | |||||||
4128 | disp_size, "th_%d.th_dispatch.th_disp_buffer " | |||||||
4129 | "(team_%d.t_dispatch[%d].th_disp_buffer)", | |||||||
4130 | gtid, team->t.t_id, gtid); | |||||||
4131 | } | |||||||
4132 | } else { | |||||||
4133 | memset(&dispatch->th_disp_buffer[0], '\0', disp_size); | |||||||
4134 | } | |||||||
4135 | ||||||||
4136 | dispatch->th_dispatch_pr_current = 0; | |||||||
4137 | dispatch->th_dispatch_sh_current = 0; | |||||||
4138 | ||||||||
4139 | dispatch->th_deo_fcn = 0; /* ORDERED */ | |||||||
4140 | dispatch->th_dxo_fcn = 0; /* END ORDERED */ | |||||||
4141 | } | |||||||
4142 | ||||||||
4143 | this_thr->th.th_next_pool = NULL__null; | |||||||
4144 | ||||||||
4145 | if (!this_thr->th.th_task_state_memo_stack) { | |||||||
4146 | size_t i; | |||||||
4147 | this_thr->th.th_task_state_memo_stack = | |||||||
4148 | (kmp_uint8 *)__kmp_allocate(4 * sizeof(kmp_uint8))___kmp_allocate((4 * sizeof(kmp_uint8)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4148); | |||||||
4149 | this_thr->th.th_task_state_top = 0; | |||||||
4150 | this_thr->th.th_task_state_stack_sz = 4; | |||||||
4151 | for (i = 0; i < this_thr->th.th_task_state_stack_sz; | |||||||
4152 | ++i) // zero init the stack | |||||||
4153 | this_thr->th.th_task_state_memo_stack[i] = 0; | |||||||
4154 | } | |||||||
4155 | ||||||||
4156 | KMP_DEBUG_ASSERT(!this_thr->th.th_spin_here)((!this_thr->th.th_spin_here) ? 0 : __kmp_debug_assert("!this_thr->th.th_spin_here" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4156)); | |||||||
4157 | KMP_DEBUG_ASSERT(this_thr->th.th_next_waiting == 0)((this_thr->th.th_next_waiting == 0) ? 0 : __kmp_debug_assert ("this_thr->th.th_next_waiting == 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4157)); | |||||||
4158 | ||||||||
4159 | KMP_MB(); | |||||||
4160 | } | |||||||
4161 | ||||||||
4162 | /* allocate a new thread for the requesting team. this is only called from | |||||||
4163 | within a forkjoin critical section. we will first try to get an available | |||||||
4164 | thread from the thread pool. if none is available, we will fork a new one | |||||||
4165 | assuming we are able to create a new one. this should be assured, as the | |||||||
4166 | caller should check on this first. */ | |||||||
4167 | kmp_info_t *__kmp_allocate_thread(kmp_root_t *root, kmp_team_t *team, | |||||||
4168 | int new_tid) { | |||||||
4169 | kmp_team_t *serial_team; | |||||||
4170 | kmp_info_t *new_thr; | |||||||
4171 | int new_gtid; | |||||||
4172 | ||||||||
4173 | KA_TRACE(20, ("__kmp_allocate_thread: T#%d\n", __kmp_get_gtid()))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_thread: T#%d\n" , __kmp_get_global_thread_id()); }; | |||||||
4174 | KMP_DEBUG_ASSERT(root && team)((root && team) ? 0 : __kmp_debug_assert("root && team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4174)); | |||||||
4175 | #if !KMP_NESTED_HOT_TEAMS1 | |||||||
4176 | KMP_DEBUG_ASSERT(KMP_MASTER_GTID(__kmp_get_gtid()))((((((((__kmp_get_global_thread_id())) >= 0) ? 0 : __kmp_debug_assert ("((__kmp_get_global_thread_id())) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4176)), __kmp_threads[((__kmp_get_global_thread_id()))]-> th.th_info.ds.ds_tid) == 0)) ? 0 : __kmp_debug_assert("((((((__kmp_get_global_thread_id())) >= 0) ? 0 : __kmp_debug_assert(\"((__kmp_get_global_thread_id())) >= 0\", \"/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp\", 4176)), __kmp_threads[((__kmp_get_global_thread_id()))]->th.th_info.ds.ds_tid) == 0)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4176)); | |||||||
4177 | #endif | |||||||
4178 | KMP_MB(); | |||||||
4179 | ||||||||
4180 | /* first, try to get one from the thread pool */ | |||||||
4181 | if (__kmp_thread_pool) { | |||||||
4182 | ||||||||
4183 | new_thr = CCAST(kmp_info_t *, __kmp_thread_pool)const_cast<kmp_info_t *>(__kmp_thread_pool); | |||||||
4184 | __kmp_thread_pool = (volatile kmp_info_t *)new_thr->th.th_next_pool; | |||||||
4185 | if (new_thr == __kmp_thread_pool_insert_pt) { | |||||||
4186 | __kmp_thread_pool_insert_pt = NULL__null; | |||||||
4187 | } | |||||||
4188 | TCW_4(new_thr->th.th_in_pool, FALSE)(new_thr->th.th_in_pool) = (0); | |||||||
4189 | // Don't touch th_active_in_pool or th_active. | |||||||
4190 | // The worker thread adjusts those flags as it sleeps/awakens. | |||||||
4191 | __kmp_thread_pool_nth--; | |||||||
4192 | ||||||||
4193 | KA_TRACE(20, ("__kmp_allocate_thread: T#%d using thread T#%d\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_thread: T#%d using thread T#%d\n" , __kmp_get_global_thread_id(), new_thr->th.th_info.ds.ds_gtid ); } | |||||||
4194 | __kmp_get_gtid(), new_thr->th.th_info.ds.ds_gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_thread: T#%d using thread T#%d\n" , __kmp_get_global_thread_id(), new_thr->th.th_info.ds.ds_gtid ); }; | |||||||
4195 | KMP_ASSERT(!new_thr->th.th_team)((!new_thr->th.th_team) ? 0 : __kmp_debug_assert("!new_thr->th.th_team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4195)); | |||||||
4196 | KMP_DEBUG_ASSERT(__kmp_nth < __kmp_threads_capacity)((__kmp_nth < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("__kmp_nth < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4196)); | |||||||
4197 | KMP_DEBUG_ASSERT(__kmp_thread_pool_nth >= 0)((__kmp_thread_pool_nth >= 0) ? 0 : __kmp_debug_assert("__kmp_thread_pool_nth >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4197)); | |||||||
4198 | ||||||||
4199 | /* setup the thread structure */ | |||||||
4200 | __kmp_initialize_info(new_thr, team, new_tid, | |||||||
4201 | new_thr->th.th_info.ds.ds_gtid); | |||||||
4202 | KMP_DEBUG_ASSERT(new_thr->th.th_serial_team)((new_thr->th.th_serial_team) ? 0 : __kmp_debug_assert("new_thr->th.th_serial_team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4202)); | |||||||
4203 | ||||||||
4204 | TCW_4(__kmp_nth, __kmp_nth + 1)(__kmp_nth) = (__kmp_nth + 1); | |||||||
4205 | root->r.r_cg_nthreads++; | |||||||
4206 | ||||||||
4207 | new_thr->th.th_task_state = 0; | |||||||
4208 | new_thr->th.th_task_state_top = 0; | |||||||
4209 | new_thr->th.th_task_state_stack_sz = 4; | |||||||
4210 | ||||||||
4211 | #ifdef KMP_ADJUST_BLOCKTIME1 | |||||||
4212 | /* Adjust blocktime back to zero if necessary */ | |||||||
4213 | /* Middle initialization might not have occurred yet */ | |||||||
4214 | if (!__kmp_env_blocktime && (__kmp_avail_proc > 0)) { | |||||||
4215 | if (__kmp_nth > __kmp_avail_proc) { | |||||||
4216 | __kmp_zero_bt = TRUE(!0); | |||||||
4217 | } | |||||||
4218 | } | |||||||
4219 | #endif /* KMP_ADJUST_BLOCKTIME */ | |||||||
4220 | ||||||||
4221 | #if KMP_DEBUG1 | |||||||
4222 | // If thread entered pool via __kmp_free_thread, wait_flag should != | |||||||
4223 | // KMP_BARRIER_PARENT_FLAG. | |||||||
4224 | int b; | |||||||
4225 | kmp_balign_t *balign = new_thr->th.th_bar; | |||||||
4226 | for (b = 0; b < bs_last_barrier; ++b) | |||||||
4227 | KMP_DEBUG_ASSERT(balign[b].bb.wait_flag != KMP_BARRIER_PARENT_FLAG)((balign[b].bb.wait_flag != 2) ? 0 : __kmp_debug_assert("balign[b].bb.wait_flag != 2" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4227)); | |||||||
4228 | #endif | |||||||
4229 | ||||||||
4230 | KF_TRACE(10, ("__kmp_allocate_thread: T#%d using thread %p T#%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: T#%d using thread %p T#%d\n" , __kmp_get_global_thread_id(), new_thr, new_thr->th.th_info .ds.ds_gtid); } | |||||||
4231 | __kmp_get_gtid(), new_thr, new_thr->th.th_info.ds.ds_gtid))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: T#%d using thread %p T#%d\n" , __kmp_get_global_thread_id(), new_thr, new_thr->th.th_info .ds.ds_gtid); }; | |||||||
4232 | ||||||||
4233 | KMP_MB(); | |||||||
4234 | return new_thr; | |||||||
4235 | } | |||||||
4236 | ||||||||
4237 | /* no, well fork a new one */ | |||||||
4238 | KMP_ASSERT(__kmp_nth == __kmp_all_nth)((__kmp_nth == __kmp_all_nth) ? 0 : __kmp_debug_assert("__kmp_nth == __kmp_all_nth" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4238)); | |||||||
4239 | KMP_ASSERT(__kmp_all_nth < __kmp_threads_capacity)((__kmp_all_nth < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("__kmp_all_nth < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4239)); | |||||||
4240 | ||||||||
4241 | #if KMP_USE_MONITOR | |||||||
4242 | // If this is the first worker thread the RTL is creating, then also | |||||||
4243 | // launch the monitor thread. We try to do this as early as possible. | |||||||
4244 | if (!TCR_4(__kmp_init_monitor)(__kmp_init_monitor)) { | |||||||
4245 | __kmp_acquire_bootstrap_lock(&__kmp_monitor_lock); | |||||||
4246 | if (!TCR_4(__kmp_init_monitor)(__kmp_init_monitor)) { | |||||||
4247 | KF_TRACE(10, ("before __kmp_create_monitor\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("before __kmp_create_monitor\n" ); }; | |||||||
4248 | TCW_4(__kmp_init_monitor, 1)(__kmp_init_monitor) = (1); | |||||||
4249 | __kmp_create_monitor(&__kmp_monitor); | |||||||
4250 | KF_TRACE(10, ("after __kmp_create_monitor\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("after __kmp_create_monitor\n" ); }; | |||||||
4251 | #if KMP_OS_WINDOWS0 | |||||||
4252 | // AC: wait until monitor has started. This is a fix for CQ232808. | |||||||
4253 | // The reason is that if the library is loaded/unloaded in a loop with | |||||||
4254 | // small (parallel) work in between, then there is high probability that | |||||||
4255 | // monitor thread started after the library shutdown. At shutdown it is | |||||||
4256 | // too late to cope with the problem, because when the master is in | |||||||
4257 | // DllMain (process detach) the monitor has no chances to start (it is | |||||||
4258 | // blocked), and master has no means to inform the monitor that the | |||||||
4259 | // library has gone, because all the memory which the monitor can access | |||||||
4260 | // is going to be released/reset. | |||||||
4261 | while (TCR_4(__kmp_init_monitor)(__kmp_init_monitor) < 2) { | |||||||
4262 | KMP_YIELD(TRUE){ __kmp_x86_pause(); __kmp_yield(((!0))); }; | |||||||
4263 | } | |||||||
4264 | KF_TRACE(10, ("after monitor thread has started\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("after monitor thread has started\n" ); }; | |||||||
4265 | #endif | |||||||
4266 | } | |||||||
4267 | __kmp_release_bootstrap_lock(&__kmp_monitor_lock); | |||||||
4268 | } | |||||||
4269 | #endif | |||||||
4270 | ||||||||
4271 | KMP_MB(); | |||||||
4272 | for (new_gtid = 1; TCR_PTR(__kmp_threads[new_gtid])((void *)(__kmp_threads[new_gtid])) != NULL__null; ++new_gtid) { | |||||||
4273 | KMP_DEBUG_ASSERT(new_gtid < __kmp_threads_capacity)((new_gtid < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("new_gtid < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4273)); | |||||||
4274 | } | |||||||
4275 | ||||||||
4276 | /* allocate space for it. */ | |||||||
4277 | new_thr = (kmp_info_t *)__kmp_allocate(sizeof(kmp_info_t))___kmp_allocate((sizeof(kmp_info_t)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4277); | |||||||
4278 | ||||||||
4279 | TCW_SYNC_PTR(__kmp_threads[new_gtid], new_thr)((__kmp_threads[new_gtid])) = ((new_thr)); | |||||||
4280 | ||||||||
4281 | if (__kmp_storage_map) { | |||||||
4282 | __kmp_print_thread_storage_map(new_thr, new_gtid); | |||||||
4283 | } | |||||||
4284 | ||||||||
4285 | // add the reserve serialized team, initialized from the team's master thread | |||||||
4286 | { | |||||||
4287 | kmp_internal_control_t r_icvs = __kmp_get_x_global_icvs(team); | |||||||
4288 | KF_TRACE(10, ("__kmp_allocate_thread: before th_serial/serial_team\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: before th_serial/serial_team\n" ); }; | |||||||
4289 | new_thr->th.th_serial_team = serial_team = | |||||||
4290 | (kmp_team_t *)__kmp_allocate_team(root, 1, 1, | |||||||
4291 | #if OMPT_SUPPORT1 | |||||||
4292 | ompt_data_none, // root parallel id | |||||||
4293 | #endif | |||||||
4294 | #if OMP_40_ENABLED(50 >= 40) | |||||||
4295 | proc_bind_default, | |||||||
4296 | #endif | |||||||
4297 | &r_icvs, 0 USE_NESTED_HOT_ARG(NULL), __null); | |||||||
4298 | } | |||||||
4299 | KMP_ASSERT(serial_team)((serial_team) ? 0 : __kmp_debug_assert("serial_team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4299)); | |||||||
4300 | serial_team->t.t_serialized = 0; // AC: the team created in reserve, not for | |||||||
4301 | // execution (it is unused for now). | |||||||
4302 | serial_team->t.t_threads[0] = new_thr; | |||||||
4303 | KF_TRACE(10,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: after th_serial/serial_team : new_thr=%p\n" , new_thr); } | |||||||
4304 | ("__kmp_allocate_thread: after th_serial/serial_team : new_thr=%p\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: after th_serial/serial_team : new_thr=%p\n" , new_thr); } | |||||||
4305 | new_thr))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: after th_serial/serial_team : new_thr=%p\n" , new_thr); }; | |||||||
4306 | ||||||||
4307 | /* setup the thread structures */ | |||||||
4308 | __kmp_initialize_info(new_thr, team, new_tid, new_gtid); | |||||||
4309 | ||||||||
4310 | #if USE_FAST_MEMORY3 | |||||||
4311 | __kmp_initialize_fast_memory(new_thr); | |||||||
4312 | #endif /* USE_FAST_MEMORY */ | |||||||
4313 | ||||||||
4314 | #if KMP_USE_BGET1 | |||||||
4315 | KMP_DEBUG_ASSERT(new_thr->th.th_local.bget_data == NULL)((new_thr->th.th_local.bget_data == __null) ? 0 : __kmp_debug_assert ("new_thr->th.th_local.bget_data == __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4315)); | |||||||
4316 | __kmp_initialize_bget(new_thr); | |||||||
4317 | #endif | |||||||
4318 | ||||||||
4319 | __kmp_init_random(new_thr); // Initialize random number generator | |||||||
4320 | ||||||||
4321 | /* Initialize these only once when thread is grabbed for a team allocation */ | |||||||
4322 | KA_TRACE(20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_thread: T#%d init go fork=%u, plain=%u\n" , __kmp_get_global_thread_id(), 0, 0); } | |||||||
4323 | ("__kmp_allocate_thread: T#%d init go fork=%u, plain=%u\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_thread: T#%d init go fork=%u, plain=%u\n" , __kmp_get_global_thread_id(), 0, 0); } | |||||||
4324 | __kmp_get_gtid(), KMP_INIT_BARRIER_STATE, KMP_INIT_BARRIER_STATE))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_thread: T#%d init go fork=%u, plain=%u\n" , __kmp_get_global_thread_id(), 0, 0); }; | |||||||
4325 | ||||||||
4326 | int b; | |||||||
4327 | kmp_balign_t *balign = new_thr->th.th_bar; | |||||||
4328 | for (b = 0; b < bs_last_barrier; ++b) { | |||||||
4329 | balign[b].bb.b_go = KMP_INIT_BARRIER_STATE0; | |||||||
4330 | balign[b].bb.team = NULL__null; | |||||||
4331 | balign[b].bb.wait_flag = KMP_BARRIER_NOT_WAITING0; | |||||||
4332 | balign[b].bb.use_oncore_barrier = 0; | |||||||
4333 | } | |||||||
4334 | ||||||||
4335 | new_thr->th.th_spin_here = FALSE0; | |||||||
4336 | new_thr->th.th_next_waiting = 0; | |||||||
4337 | #if KMP_OS_UNIX1 | |||||||
4338 | new_thr->th.th_blocking = false; | |||||||
4339 | #endif | |||||||
4340 | ||||||||
4341 | #if OMP_40_ENABLED(50 >= 40) && KMP_AFFINITY_SUPPORTED1 | |||||||
4342 | new_thr->th.th_current_place = KMP_PLACE_UNDEFINED(-2); | |||||||
4343 | new_thr->th.th_new_place = KMP_PLACE_UNDEFINED(-2); | |||||||
4344 | new_thr->th.th_first_place = KMP_PLACE_UNDEFINED(-2); | |||||||
4345 | new_thr->th.th_last_place = KMP_PLACE_UNDEFINED(-2); | |||||||
4346 | #endif | |||||||
4347 | ||||||||
4348 | TCW_4(new_thr->th.th_in_pool, FALSE)(new_thr->th.th_in_pool) = (0); | |||||||
4349 | new_thr->th.th_active_in_pool = FALSE0; | |||||||
4350 | TCW_4(new_thr->th.th_active, TRUE)(new_thr->th.th_active) = ((!0)); | |||||||
4351 | ||||||||
4352 | /* adjust the global counters */ | |||||||
4353 | __kmp_all_nth++; | |||||||
4354 | __kmp_nth++; | |||||||
4355 | ||||||||
4356 | root->r.r_cg_nthreads++; | |||||||
4357 | ||||||||
4358 | // if __kmp_adjust_gtid_mode is set, then we use method #1 (sp search) for low | |||||||
4359 | // numbers of procs, and method #2 (keyed API call) for higher numbers. | |||||||
4360 | if (__kmp_adjust_gtid_mode) { | |||||||
4361 | if (__kmp_all_nth >= __kmp_tls_gtid_min) { | |||||||
4362 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) != 2) { | |||||||
4363 | TCW_4(__kmp_gtid_mode, 2)(__kmp_gtid_mode) = (2); | |||||||
4364 | } | |||||||
4365 | } else { | |||||||
4366 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) != 1) { | |||||||
4367 | TCW_4(__kmp_gtid_mode, 1)(__kmp_gtid_mode) = (1); | |||||||
4368 | } | |||||||
4369 | } | |||||||
4370 | } | |||||||
4371 | ||||||||
4372 | #ifdef KMP_ADJUST_BLOCKTIME1 | |||||||
4373 | /* Adjust blocktime back to zero if necessary */ | |||||||
4374 | /* Middle initialization might not have occurred yet */ | |||||||
4375 | if (!__kmp_env_blocktime && (__kmp_avail_proc > 0)) { | |||||||
4376 | if (__kmp_nth > __kmp_avail_proc) { | |||||||
4377 | __kmp_zero_bt = TRUE(!0); | |||||||
4378 | } | |||||||
4379 | } | |||||||
4380 | #endif /* KMP_ADJUST_BLOCKTIME */ | |||||||
4381 | ||||||||
4382 | /* actually fork it and create the new worker thread */ | |||||||
4383 | KF_TRACE(if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: before __kmp_create_worker: %p\n" , new_thr); } | |||||||
4384 | 10, ("__kmp_allocate_thread: before __kmp_create_worker: %p\n", new_thr))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: before __kmp_create_worker: %p\n" , new_thr); }; | |||||||
4385 | __kmp_create_worker(new_gtid, new_thr, __kmp_stksize); | |||||||
4386 | KF_TRACE(10,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: after __kmp_create_worker: %p\n" , new_thr); } | |||||||
4387 | ("__kmp_allocate_thread: after __kmp_create_worker: %p\n", new_thr))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: after __kmp_create_worker: %p\n" , new_thr); }; | |||||||
4388 | ||||||||
4389 | KA_TRACE(20, ("__kmp_allocate_thread: T#%d forked T#%d\n", __kmp_get_gtid(),if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_thread: T#%d forked T#%d\n" , __kmp_get_global_thread_id(), new_gtid); } | |||||||
4390 | new_gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_thread: T#%d forked T#%d\n" , __kmp_get_global_thread_id(), new_gtid); }; | |||||||
4391 | KMP_MB(); | |||||||
4392 | return new_thr; | |||||||
4393 | } | |||||||
4394 | ||||||||
4395 | /* Reinitialize team for reuse. | |||||||
4396 | The hot team code calls this case at every fork barrier, so EPCC barrier | |||||||
4397 | test are extremely sensitive to changes in it, esp. writes to the team | |||||||
4398 | struct, which cause a cache invalidation in all threads. | |||||||
4399 | IF YOU TOUCH THIS ROUTINE, RUN EPCC C SYNCBENCH ON A BIG-IRON MACHINE!!! */ | |||||||
4400 | static void __kmp_reinitialize_team(kmp_team_t *team, | |||||||
4401 | kmp_internal_control_t *new_icvs, | |||||||
4402 | ident_t *loc) { | |||||||
4403 | KF_TRACE(10, ("__kmp_reinitialize_team: enter this_thread=%p team=%p\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_reinitialize_team: enter this_thread=%p team=%p\n" , team->t.t_threads[0], team); } | |||||||
4404 | team->t.t_threads[0], team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_reinitialize_team: enter this_thread=%p team=%p\n" , team->t.t_threads[0], team); }; | |||||||
4405 | KMP_DEBUG_ASSERT(team && new_icvs)((team && new_icvs) ? 0 : __kmp_debug_assert("team && new_icvs" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4405)); | |||||||
4406 | KMP_DEBUG_ASSERT((!TCR_4(__kmp_init_parallel)) || new_icvs->nproc)(((!(__kmp_init_parallel)) || new_icvs->nproc) ? 0 : __kmp_debug_assert ("(!(__kmp_init_parallel)) || new_icvs->nproc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4406)); | |||||||
4407 | KMP_CHECK_UPDATE(team->t.t_ident, loc)if ((team->t.t_ident) != (loc)) (team->t.t_ident) = (loc ); | |||||||
4408 | ||||||||
4409 | KMP_CHECK_UPDATE(team->t.t_id, KMP_GEN_TEAM_ID())if ((team->t.t_id) != ((~0))) (team->t.t_id) = ((~0)); | |||||||
4410 | // Copy ICVs to the master thread's implicit taskdata | |||||||
4411 | __kmp_init_implicit_task(loc, team->t.t_threads[0], team, 0, FALSE0); | |||||||
4412 | copy_icvs(&team->t.t_implicit_task_taskdata[0].td_icvs, new_icvs); | |||||||
4413 | ||||||||
4414 | KF_TRACE(10, ("__kmp_reinitialize_team: exit this_thread=%p team=%p\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_reinitialize_team: exit this_thread=%p team=%p\n" , team->t.t_threads[0], team); } | |||||||
4415 | team->t.t_threads[0], team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_reinitialize_team: exit this_thread=%p team=%p\n" , team->t.t_threads[0], team); }; | |||||||
4416 | } | |||||||
4417 | ||||||||
4418 | /* Initialize the team data structure. | |||||||
4419 | This assumes the t_threads and t_max_nproc are already set. | |||||||
4420 | Also, we don't touch the arguments */ | |||||||
4421 | static void __kmp_initialize_team(kmp_team_t *team, int new_nproc, | |||||||
4422 | kmp_internal_control_t *new_icvs, | |||||||
4423 | ident_t *loc) { | |||||||
4424 | KF_TRACE(10, ("__kmp_initialize_team: enter: team=%p\n", team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_team: enter: team=%p\n" , team); }; | |||||||
4425 | ||||||||
4426 | /* verify */ | |||||||
4427 | KMP_DEBUG_ASSERT(team)((team) ? 0 : __kmp_debug_assert("team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4427)); | |||||||
4428 | KMP_DEBUG_ASSERT(new_nproc <= team->t.t_max_nproc)((new_nproc <= team->t.t_max_nproc) ? 0 : __kmp_debug_assert ("new_nproc <= team->t.t_max_nproc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4428)); | |||||||
4429 | KMP_DEBUG_ASSERT(team->t.t_threads)((team->t.t_threads) ? 0 : __kmp_debug_assert("team->t.t_threads" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4429)); | |||||||
4430 | KMP_MB(); | |||||||
4431 | ||||||||
4432 | team->t.t_master_tid = 0; /* not needed */ | |||||||
4433 | /* team->t.t_master_bar; not needed */ | |||||||
4434 | team->t.t_serialized = new_nproc > 1 ? 0 : 1; | |||||||
4435 | team->t.t_nproc = new_nproc; | |||||||
4436 | ||||||||
4437 | /* team->t.t_parent = NULL; TODO not needed & would mess up hot team */ | |||||||
4438 | team->t.t_next_pool = NULL__null; | |||||||
4439 | /* memset( team->t.t_threads, 0, sizeof(kmp_info_t*)*new_nproc ); would mess | |||||||
4440 | * up hot team */ | |||||||
4441 | ||||||||
4442 | TCW_SYNC_PTR(team->t.t_pkfn, NULL)((team->t.t_pkfn)) = ((__null)); /* not needed */ | |||||||
4443 | team->t.t_invoke = NULL__null; /* not needed */ | |||||||
4444 | ||||||||
4445 | // TODO???: team->t.t_max_active_levels = new_max_active_levels; | |||||||
4446 | team->t.t_sched.sched = new_icvs->sched.sched; | |||||||
4447 | ||||||||
4448 | #if KMP_ARCH_X860 || KMP_ARCH_X86_641 | |||||||
4449 | team->t.t_fp_control_saved = FALSE0; /* not needed */ | |||||||
4450 | team->t.t_x87_fpu_control_word = 0; /* not needed */ | |||||||
4451 | team->t.t_mxcsr = 0; /* not needed */ | |||||||
4452 | #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */ | |||||||
4453 | ||||||||
4454 | team->t.t_construct = 0; | |||||||
4455 | ||||||||
4456 | team->t.t_ordered.dt.t_value = 0; | |||||||
4457 | team->t.t_master_active = FALSE0; | |||||||
4458 | ||||||||
4459 | memset(&team->t.t_taskq, '\0', sizeof(kmp_taskq_t)); | |||||||
4460 | ||||||||
4461 | #ifdef KMP_DEBUG1 | |||||||
4462 | team->t.t_copypriv_data = NULL__null; /* not necessary, but nice for debugging */ | |||||||
4463 | #endif | |||||||
4464 | #if KMP_OS_WINDOWS0 | |||||||
4465 | team->t.t_copyin_counter = 0; /* for barrier-free copyin implementation */ | |||||||
4466 | #endif | |||||||
4467 | ||||||||
4468 | team->t.t_control_stack_top = NULL__null; | |||||||
4469 | ||||||||
4470 | __kmp_reinitialize_team(team, new_icvs, loc); | |||||||
4471 | ||||||||
4472 | KMP_MB(); | |||||||
4473 | KF_TRACE(10, ("__kmp_initialize_team: exit: team=%p\n", team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_initialize_team: exit: team=%p\n" , team); }; | |||||||
4474 | } | |||||||
4475 | ||||||||
4476 | #if KMP_OS_LINUX1 && KMP_AFFINITY_SUPPORTED1 | |||||||
4477 | /* Sets full mask for thread and returns old mask, no changes to structures. */ | |||||||
4478 | static void | |||||||
4479 | __kmp_set_thread_affinity_mask_full_tmp(kmp_affin_mask_t *old_mask) { | |||||||
4480 | if (KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { | |||||||
4481 | int status; | |||||||
4482 | if (old_mask != NULL__null) { | |||||||
4483 | status = __kmp_get_system_affinity(old_mask, TRUE)(old_mask)->get_system_affinity((!0)); | |||||||
4484 | int error = errno(*__errno_location ()); | |||||||
4485 | if (status != 0) { | |||||||
4486 | __kmp_fatal(KMP_MSG(ChangeThreadAffMaskError)__kmp_msg_format(kmp_i18n_msg_ChangeThreadAffMaskError), KMP_ERR(error)__kmp_msg_error_code(error), | |||||||
4487 | __kmp_msg_null); | |||||||
4488 | } | |||||||
4489 | } | |||||||
4490 | __kmp_set_system_affinity(__kmp_affin_fullMask, TRUE)(__kmp_affin_fullMask)->set_system_affinity((!0)); | |||||||
4491 | } | |||||||
4492 | } | |||||||
4493 | #endif | |||||||
4494 | ||||||||
4495 | #if OMP_40_ENABLED(50 >= 40) && KMP_AFFINITY_SUPPORTED1 | |||||||
4496 | ||||||||
4497 | // __kmp_partition_places() is the heart of the OpenMP 4.0 affinity mechanism. | |||||||
4498 | // It calculats the worker + master thread's partition based upon the parent | |||||||
4499 | // thread's partition, and binds each worker to a thread in their partition. | |||||||
4500 | // The master thread's partition should already include its current binding. | |||||||
4501 | static void __kmp_partition_places(kmp_team_t *team, int update_master_only) { | |||||||
4502 | // Copy the master thread's place partion to the team struct | |||||||
4503 | kmp_info_t *master_th = team->t.t_threads[0]; | |||||||
4504 | KMP_DEBUG_ASSERT(master_th != NULL)((master_th != __null) ? 0 : __kmp_debug_assert("master_th != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4504)); | |||||||
4505 | kmp_proc_bind_t proc_bind = team->t.t_proc_bind; | |||||||
4506 | int first_place = master_th->th.th_first_place; | |||||||
4507 | int last_place = master_th->th.th_last_place; | |||||||
4508 | int masters_place = master_th->th.th_current_place; | |||||||
4509 | team->t.t_first_place = first_place; | |||||||
4510 | team->t.t_last_place = last_place; | |||||||
4511 | ||||||||
4512 | KA_TRACE(20, ("__kmp_partition_places: enter: proc_bind = %d T#%d(%d:0) "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_partition_places: enter: proc_bind = %d T#%d(%d:0) " "bound to place %d partition = [%d,%d]\n", proc_bind, ((((team ->t.t_threads[0]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[0]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4514)), (team->t.t_threads[0])->th.th_info.ds.ds_gtid ), team->t.t_id, masters_place, first_place, last_place); } | |||||||
4513 | "bound to place %d partition = [%d,%d]\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_partition_places: enter: proc_bind = %d T#%d(%d:0) " "bound to place %d partition = [%d,%d]\n", proc_bind, ((((team ->t.t_threads[0]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[0]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4514)), (team->t.t_threads[0])->th.th_info.ds.ds_gtid ), team->t.t_id, masters_place, first_place, last_place); } | |||||||
4514 | proc_bind, __kmp_gtid_from_thread(team->t.t_threads[0]),if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_partition_places: enter: proc_bind = %d T#%d(%d:0) " "bound to place %d partition = [%d,%d]\n", proc_bind, ((((team ->t.t_threads[0]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[0]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4514)), (team->t.t_threads[0])->th.th_info.ds.ds_gtid ), team->t.t_id, masters_place, first_place, last_place); } | |||||||
4515 | team->t.t_id, masters_place, first_place, last_place))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_partition_places: enter: proc_bind = %d T#%d(%d:0) " "bound to place %d partition = [%d,%d]\n", proc_bind, ((((team ->t.t_threads[0]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[0]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4514)), (team->t.t_threads[0])->th.th_info.ds.ds_gtid ), team->t.t_id, masters_place, first_place, last_place); }; | |||||||
4516 | ||||||||
4517 | switch (proc_bind) { | |||||||
4518 | ||||||||
4519 | case proc_bind_default: | |||||||
4520 | // serial teams might have the proc_bind policy set to proc_bind_default. It | |||||||
4521 | // doesn't matter, as we don't rebind master thread for any proc_bind policy | |||||||
4522 | KMP_DEBUG_ASSERT(team->t.t_nproc == 1)((team->t.t_nproc == 1) ? 0 : __kmp_debug_assert("team->t.t_nproc == 1" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4522)); | |||||||
4523 | break; | |||||||
4524 | ||||||||
4525 | case proc_bind_master: { | |||||||
4526 | int f; | |||||||
4527 | int n_th = team->t.t_nproc; | |||||||
4528 | for (f = 1; f < n_th; f++) { | |||||||
4529 | kmp_info_t *th = team->t.t_threads[f]; | |||||||
4530 | KMP_DEBUG_ASSERT(th != NULL)((th != __null) ? 0 : __kmp_debug_assert("th != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4530)); | |||||||
4531 | th->th.th_first_place = first_place; | |||||||
4532 | th->th.th_last_place = last_place; | |||||||
4533 | th->th.th_new_place = masters_place; | |||||||
4534 | ||||||||
4535 | KA_TRACE(100, ("__kmp_partition_places: master: T#%d(%d:%d) place %d "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: master: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4537)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, masters_place, first_place, last_place ); } | |||||||
4536 | "partition = [%d,%d]\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: master: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4537)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, masters_place, first_place, last_place ); } | |||||||
4537 | __kmp_gtid_from_thread(team->t.t_threads[f]), team->t.t_id,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: master: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4537)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, masters_place, first_place, last_place ); } | |||||||
4538 | f, masters_place, first_place, last_place))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: master: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4537)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, masters_place, first_place, last_place ); }; | |||||||
4539 | } | |||||||
4540 | } break; | |||||||
4541 | ||||||||
4542 | case proc_bind_close: { | |||||||
4543 | int f; | |||||||
4544 | int n_th = team->t.t_nproc; | |||||||
4545 | int n_places; | |||||||
4546 | if (first_place <= last_place) { | |||||||
4547 | n_places = last_place - first_place + 1; | |||||||
4548 | } else { | |||||||
4549 | n_places = __kmp_affinity_num_masks - first_place + last_place + 1; | |||||||
4550 | } | |||||||
4551 | if (n_th <= n_places) { | |||||||
4552 | int place = masters_place; | |||||||
4553 | for (f = 1; f < n_th; f++) { | |||||||
4554 | kmp_info_t *th = team->t.t_threads[f]; | |||||||
4555 | KMP_DEBUG_ASSERT(th != NULL)((th != __null) ? 0 : __kmp_debug_assert("th != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4555)); | |||||||
4556 | ||||||||
4557 | if (place == last_place) { | |||||||
4558 | place = first_place; | |||||||
4559 | } else if (place == (int)(__kmp_affinity_num_masks - 1)) { | |||||||
4560 | place = 0; | |||||||
4561 | } else { | |||||||
4562 | place++; | |||||||
4563 | } | |||||||
4564 | th->th.th_first_place = first_place; | |||||||
4565 | th->th.th_last_place = last_place; | |||||||
4566 | th->th.th_new_place = place; | |||||||
4567 | ||||||||
4568 | KA_TRACE(100, ("__kmp_partition_places: close: T#%d(%d:%d) place %d "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: close: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4570)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, place, first_place, last_place); } | |||||||
4569 | "partition = [%d,%d]\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: close: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4570)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, place, first_place, last_place); } | |||||||
4570 | __kmp_gtid_from_thread(team->t.t_threads[f]),if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: close: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4570)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, place, first_place, last_place); } | |||||||
4571 | team->t.t_id, f, place, first_place, last_place))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: close: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4570)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, place, first_place, last_place); }; | |||||||
4572 | } | |||||||
4573 | } else { | |||||||
4574 | int S, rem, gap, s_count; | |||||||
4575 | S = n_th / n_places; | |||||||
4576 | s_count = 0; | |||||||
4577 | rem = n_th - (S * n_places); | |||||||
4578 | gap = rem > 0 ? n_places / rem : n_places; | |||||||
4579 | int place = masters_place; | |||||||
4580 | int gap_ct = gap; | |||||||
4581 | for (f = 0; f < n_th; f++) { | |||||||
4582 | kmp_info_t *th = team->t.t_threads[f]; | |||||||
4583 | KMP_DEBUG_ASSERT(th != NULL)((th != __null) ? 0 : __kmp_debug_assert("th != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4583)); | |||||||
4584 | ||||||||
4585 | th->th.th_first_place = first_place; | |||||||
4586 | th->th.th_last_place = last_place; | |||||||
4587 | th->th.th_new_place = place; | |||||||
4588 | s_count++; | |||||||
4589 | ||||||||
4590 | if ((s_count == S) && rem && (gap_ct == gap)) { | |||||||
4591 | // do nothing, add an extra thread to place on next iteration | |||||||
4592 | } else if ((s_count == S + 1) && rem && (gap_ct == gap)) { | |||||||
4593 | // we added an extra thread to this place; move to next place | |||||||
4594 | if (place == last_place) { | |||||||
4595 | place = first_place; | |||||||
4596 | } else if (place == (int)(__kmp_affinity_num_masks - 1)) { | |||||||
4597 | place = 0; | |||||||
4598 | } else { | |||||||
4599 | place++; | |||||||
4600 | } | |||||||
4601 | s_count = 0; | |||||||
4602 | gap_ct = 1; | |||||||
4603 | rem--; | |||||||
4604 | } else if (s_count == S) { // place full; don't add extra | |||||||
4605 | if (place == last_place) { | |||||||
4606 | place = first_place; | |||||||
4607 | } else if (place == (int)(__kmp_affinity_num_masks - 1)) { | |||||||
4608 | place = 0; | |||||||
4609 | } else { | |||||||
4610 | place++; | |||||||
4611 | } | |||||||
4612 | gap_ct++; | |||||||
4613 | s_count = 0; | |||||||
4614 | } | |||||||
4615 | ||||||||
4616 | KA_TRACE(100,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: close: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4619)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, first_place, last_place ); } | |||||||
4617 | ("__kmp_partition_places: close: T#%d(%d:%d) place %d "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: close: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4619)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, first_place, last_place ); } | |||||||
4618 | "partition = [%d,%d]\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: close: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4619)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, first_place, last_place ); } | |||||||
4619 | __kmp_gtid_from_thread(team->t.t_threads[f]), team->t.t_id, f,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: close: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4619)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, first_place, last_place ); } | |||||||
4620 | th->th.th_new_place, first_place, last_place))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: close: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4619)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, first_place, last_place ); }; | |||||||
4621 | } | |||||||
4622 | KMP_DEBUG_ASSERT(place == masters_place)((place == masters_place) ? 0 : __kmp_debug_assert("place == masters_place" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4622)); | |||||||
4623 | } | |||||||
4624 | } break; | |||||||
4625 | ||||||||
4626 | case proc_bind_spread: { | |||||||
4627 | int f; | |||||||
4628 | int n_th = team->t.t_nproc; | |||||||
4629 | int n_places; | |||||||
4630 | int thidx; | |||||||
4631 | if (first_place <= last_place) { | |||||||
4632 | n_places = last_place - first_place + 1; | |||||||
4633 | } else { | |||||||
4634 | n_places = __kmp_affinity_num_masks - first_place + last_place + 1; | |||||||
4635 | } | |||||||
4636 | if (n_th <= n_places) { | |||||||
4637 | int place = -1; | |||||||
4638 | ||||||||
4639 | if (n_places != static_cast<int>(__kmp_affinity_num_masks)) { | |||||||
4640 | int S = n_places / n_th; | |||||||
4641 | int s_count, rem, gap, gap_ct; | |||||||
4642 | ||||||||
4643 | place = masters_place; | |||||||
4644 | rem = n_places - n_th * S; | |||||||
4645 | gap = rem ? n_th / rem : 1; | |||||||
4646 | gap_ct = gap; | |||||||
4647 | thidx = n_th; | |||||||
4648 | if (update_master_only == 1) | |||||||
4649 | thidx = 1; | |||||||
4650 | for (f = 0; f < thidx; f++) { | |||||||
4651 | kmp_info_t *th = team->t.t_threads[f]; | |||||||
4652 | KMP_DEBUG_ASSERT(th != NULL)((th != __null) ? 0 : __kmp_debug_assert("th != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4652)); | |||||||
4653 | ||||||||
4654 | th->th.th_first_place = place; | |||||||
4655 | th->th.th_new_place = place; | |||||||
4656 | s_count = 1; | |||||||
4657 | while (s_count < S) { | |||||||
4658 | if (place == last_place) { | |||||||
4659 | place = first_place; | |||||||
4660 | } else if (place == (int)(__kmp_affinity_num_masks - 1)) { | |||||||
4661 | place = 0; | |||||||
4662 | } else { | |||||||
4663 | place++; | |||||||
4664 | } | |||||||
4665 | s_count++; | |||||||
4666 | } | |||||||
4667 | if (rem && (gap_ct == gap)) { | |||||||
4668 | if (place == last_place) { | |||||||
4669 | place = first_place; | |||||||
4670 | } else if (place == (int)(__kmp_affinity_num_masks - 1)) { | |||||||
4671 | place = 0; | |||||||
4672 | } else { | |||||||
4673 | place++; | |||||||
4674 | } | |||||||
4675 | rem--; | |||||||
4676 | gap_ct = 0; | |||||||
4677 | } | |||||||
4678 | th->th.th_last_place = place; | |||||||
4679 | gap_ct++; | |||||||
4680 | ||||||||
4681 | if (place == last_place) { | |||||||
4682 | place = first_place; | |||||||
4683 | } else if (place == (int)(__kmp_affinity_num_masks - 1)) { | |||||||
4684 | place = 0; | |||||||
4685 | } else { | |||||||
4686 | place++; | |||||||
4687 | } | |||||||
4688 | ||||||||
4689 | KA_TRACE(100,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], __kmp_affinity_num_masks: %u\n", ((((team ->t.t_threads[f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4692)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, __kmp_affinity_num_masks); } | |||||||
4690 | ("__kmp_partition_places: spread: T#%d(%d:%d) place %d "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], __kmp_affinity_num_masks: %u\n", ((((team ->t.t_threads[f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4692)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, __kmp_affinity_num_masks); } | |||||||
4691 | "partition = [%d,%d], __kmp_affinity_num_masks: %u\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], __kmp_affinity_num_masks: %u\n", ((((team ->t.t_threads[f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4692)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, __kmp_affinity_num_masks); } | |||||||
4692 | __kmp_gtid_from_thread(team->t.t_threads[f]), team->t.t_id,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], __kmp_affinity_num_masks: %u\n", ((((team ->t.t_threads[f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4692)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, __kmp_affinity_num_masks); } | |||||||
4693 | f, th->th.th_new_place, th->th.th_first_place,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], __kmp_affinity_num_masks: %u\n", ((((team ->t.t_threads[f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4692)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, __kmp_affinity_num_masks); } | |||||||
4694 | th->th.th_last_place, __kmp_affinity_num_masks))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], __kmp_affinity_num_masks: %u\n", ((((team ->t.t_threads[f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4692)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, __kmp_affinity_num_masks); }; | |||||||
4695 | } | |||||||
4696 | } else { | |||||||
4697 | /* Having uniform space of available computation places I can create | |||||||
4698 | T partitions of round(P/T) size and put threads into the first | |||||||
4699 | place of each partition. */ | |||||||
4700 | double current = static_cast<double>(masters_place); | |||||||
4701 | double spacing = | |||||||
4702 | (static_cast<double>(n_places + 1) / static_cast<double>(n_th)); | |||||||
4703 | int first, last; | |||||||
4704 | kmp_info_t *th; | |||||||
4705 | ||||||||
4706 | thidx = n_th + 1; | |||||||
4707 | if (update_master_only == 1) | |||||||
4708 | thidx = 1; | |||||||
4709 | for (f = 0; f < thidx; f++) { | |||||||
4710 | first = static_cast<int>(current); | |||||||
4711 | last = static_cast<int>(current + spacing) - 1; | |||||||
4712 | KMP_DEBUG_ASSERT(last >= first)((last >= first) ? 0 : __kmp_debug_assert("last >= first" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4712)); | |||||||
4713 | if (first >= n_places) { | |||||||
4714 | if (masters_place) { | |||||||
4715 | first -= n_places; | |||||||
4716 | last -= n_places; | |||||||
4717 | if (first == (masters_place + 1)) { | |||||||
4718 | KMP_DEBUG_ASSERT(f == n_th)((f == n_th) ? 0 : __kmp_debug_assert("f == n_th", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4718)); | |||||||
4719 | first--; | |||||||
4720 | } | |||||||
4721 | if (last == masters_place) { | |||||||
4722 | KMP_DEBUG_ASSERT(f == (n_th - 1))((f == (n_th - 1)) ? 0 : __kmp_debug_assert("f == (n_th - 1)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4722)); | |||||||
4723 | last--; | |||||||
4724 | } | |||||||
4725 | } else { | |||||||
4726 | KMP_DEBUG_ASSERT(f == n_th)((f == n_th) ? 0 : __kmp_debug_assert("f == n_th", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4726)); | |||||||
4727 | first = 0; | |||||||
4728 | last = 0; | |||||||
4729 | } | |||||||
4730 | } | |||||||
4731 | if (last >= n_places) { | |||||||
4732 | last = (n_places - 1); | |||||||
4733 | } | |||||||
4734 | place = first; | |||||||
4735 | current += spacing; | |||||||
4736 | if (f < n_th) { | |||||||
4737 | KMP_DEBUG_ASSERT(0 <= first)((0 <= first) ? 0 : __kmp_debug_assert("0 <= first", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4737)); | |||||||
4738 | KMP_DEBUG_ASSERT(n_places > first)((n_places > first) ? 0 : __kmp_debug_assert("n_places > first" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4738)); | |||||||
4739 | KMP_DEBUG_ASSERT(0 <= last)((0 <= last) ? 0 : __kmp_debug_assert("0 <= last", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4739)); | |||||||
4740 | KMP_DEBUG_ASSERT(n_places > last)((n_places > last) ? 0 : __kmp_debug_assert("n_places > last" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4740)); | |||||||
4741 | KMP_DEBUG_ASSERT(last_place >= first_place)((last_place >= first_place) ? 0 : __kmp_debug_assert("last_place >= first_place" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4741)); | |||||||
4742 | th = team->t.t_threads[f]; | |||||||
4743 | KMP_DEBUG_ASSERT(th)((th) ? 0 : __kmp_debug_assert("th", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4743)); | |||||||
4744 | th->th.th_first_place = first; | |||||||
4745 | th->th.th_new_place = place; | |||||||
4746 | th->th.th_last_place = last; | |||||||
4747 | ||||||||
4748 | KA_TRACE(100,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], spacing = %.4f\n", ((((team->t.t_threads [f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4751)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, spacing); } | |||||||
4749 | ("__kmp_partition_places: spread: T#%d(%d:%d) place %d "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], spacing = %.4f\n", ((((team->t.t_threads [f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4751)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, spacing); } | |||||||
4750 | "partition = [%d,%d], spacing = %.4f\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], spacing = %.4f\n", ((((team->t.t_threads [f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4751)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, spacing); } | |||||||
4751 | __kmp_gtid_from_thread(team->t.t_threads[f]),if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], spacing = %.4f\n", ((((team->t.t_threads [f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4751)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, spacing); } | |||||||
4752 | team->t.t_id, f, th->th.th_new_place,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], spacing = %.4f\n", ((((team->t.t_threads [f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4751)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, spacing); } | |||||||
4753 | th->th.th_first_place, th->th.th_last_place, spacing))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], spacing = %.4f\n", ((((team->t.t_threads [f]) != __null) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4751)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place, spacing); }; | |||||||
4754 | } | |||||||
4755 | } | |||||||
4756 | } | |||||||
4757 | KMP_DEBUG_ASSERT(update_master_only || place == masters_place)((update_master_only || place == masters_place) ? 0 : __kmp_debug_assert ("update_master_only || place == masters_place", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4757)); | |||||||
4758 | } else { | |||||||
4759 | int S, rem, gap, s_count; | |||||||
4760 | S = n_th / n_places; | |||||||
4761 | s_count = 0; | |||||||
4762 | rem = n_th - (S * n_places); | |||||||
4763 | gap = rem > 0 ? n_places / rem : n_places; | |||||||
4764 | int place = masters_place; | |||||||
4765 | int gap_ct = gap; | |||||||
4766 | thidx = n_th; | |||||||
4767 | if (update_master_only == 1) | |||||||
4768 | thidx = 1; | |||||||
4769 | for (f = 0; f < thidx; f++) { | |||||||
4770 | kmp_info_t *th = team->t.t_threads[f]; | |||||||
4771 | KMP_DEBUG_ASSERT(th != NULL)((th != __null) ? 0 : __kmp_debug_assert("th != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4771)); | |||||||
4772 | ||||||||
4773 | th->th.th_first_place = place; | |||||||
4774 | th->th.th_last_place = place; | |||||||
4775 | th->th.th_new_place = place; | |||||||
4776 | s_count++; | |||||||
4777 | ||||||||
4778 | if ((s_count == S) && rem && (gap_ct == gap)) { | |||||||
4779 | // do nothing, add an extra thread to place on next iteration | |||||||
4780 | } else if ((s_count == S + 1) && rem && (gap_ct == gap)) { | |||||||
4781 | // we added an extra thread to this place; move on to next place | |||||||
4782 | if (place == last_place) { | |||||||
4783 | place = first_place; | |||||||
4784 | } else if (place == (int)(__kmp_affinity_num_masks - 1)) { | |||||||
4785 | place = 0; | |||||||
4786 | } else { | |||||||
4787 | place++; | |||||||
4788 | } | |||||||
4789 | s_count = 0; | |||||||
4790 | gap_ct = 1; | |||||||
4791 | rem--; | |||||||
4792 | } else if (s_count == S) { // place is full; don't add extra thread | |||||||
4793 | if (place == last_place) { | |||||||
4794 | place = first_place; | |||||||
4795 | } else if (place == (int)(__kmp_affinity_num_masks - 1)) { | |||||||
4796 | place = 0; | |||||||
4797 | } else { | |||||||
4798 | place++; | |||||||
4799 | } | |||||||
4800 | gap_ct++; | |||||||
4801 | s_count = 0; | |||||||
4802 | } | |||||||
4803 | ||||||||
4804 | KA_TRACE(100, ("__kmp_partition_places: spread: T#%d(%d:%d) place %d "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4806)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place); } | |||||||
4805 | "partition = [%d,%d]\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4806)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place); } | |||||||
4806 | __kmp_gtid_from_thread(team->t.t_threads[f]),if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4806)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place); } | |||||||
4807 | team->t.t_id, f, th->th.th_new_place,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4806)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place); } | |||||||
4808 | th->th.th_first_place, th->th.th_last_place))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", ((((team->t.t_threads[f]) != __null ) ? 0 : __kmp_debug_assert("(team->t.t_threads[f]) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4806)), (team->t.t_threads[f])->th.th_info.ds.ds_gtid ), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place); }; | |||||||
4809 | } | |||||||
4810 | KMP_DEBUG_ASSERT(update_master_only || place == masters_place)((update_master_only || place == masters_place) ? 0 : __kmp_debug_assert ("update_master_only || place == masters_place", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4810)); | |||||||
4811 | } | |||||||
4812 | } break; | |||||||
4813 | ||||||||
4814 | default: | |||||||
4815 | break; | |||||||
4816 | } | |||||||
4817 | ||||||||
4818 | KA_TRACE(20, ("__kmp_partition_places: exit T#%d\n", team->t.t_id))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_partition_places: exit T#%d\n" , team->t.t_id); }; | |||||||
4819 | } | |||||||
4820 | ||||||||
4821 | #endif /* OMP_40_ENABLED && KMP_AFFINITY_SUPPORTED */ | |||||||
4822 | ||||||||
4823 | /* allocate a new team data structure to use. take one off of the free pool if | |||||||
4824 | available */ | |||||||
4825 | kmp_team_t * | |||||||
4826 | __kmp_allocate_team(kmp_root_t *root, int new_nproc, int max_nproc, | |||||||
4827 | #if OMPT_SUPPORT1 | |||||||
4828 | ompt_data_t ompt_parallel_data, | |||||||
4829 | #endif | |||||||
4830 | #if OMP_40_ENABLED(50 >= 40) | |||||||
4831 | kmp_proc_bind_t new_proc_bind, | |||||||
4832 | #endif | |||||||
4833 | kmp_internal_control_t *new_icvs, | |||||||
4834 | int argc USE_NESTED_HOT_ARG(kmp_info_t *master), kmp_info_t *master) { | |||||||
4835 | KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(KMP_allocate_team)((void)0); | |||||||
4836 | int f; | |||||||
4837 | kmp_team_t *team; | |||||||
4838 | int use_hot_team = !root->r.r_active; | |||||||
4839 | int level = 0; | |||||||
4840 | ||||||||
4841 | KA_TRACE(20, ("__kmp_allocate_team: called\n"))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: called\n" ); }; | |||||||
4842 | KMP_DEBUG_ASSERT(new_nproc >= 1 && argc >= 0)((new_nproc >= 1 && argc >= 0) ? 0 : __kmp_debug_assert ("new_nproc >= 1 && argc >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4842)); | |||||||
4843 | KMP_DEBUG_ASSERT(max_nproc >= new_nproc)((max_nproc >= new_nproc) ? 0 : __kmp_debug_assert("max_nproc >= new_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4843)); | |||||||
4844 | KMP_MB(); | |||||||
4845 | ||||||||
4846 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
4847 | kmp_hot_team_ptr_t *hot_teams; | |||||||
4848 | if (master) { | |||||||
4849 | team = master->th.th_team; | |||||||
4850 | level = team->t.t_active_level; | |||||||
4851 | if (master->th.th_teams_microtask) { // in teams construct? | |||||||
4852 | if (master->th.th_teams_size.nteams > 1 && | |||||||
4853 | ( // #teams > 1 | |||||||
4854 | team->t.t_pkfn == | |||||||
4855 | (microtask_t)__kmp_teams_master || // inner fork of the teams | |||||||
4856 | master->th.th_teams_level < | |||||||
4857 | team->t.t_level)) { // or nested parallel inside the teams | |||||||
4858 | ++level; // not increment if #teams==1, or for outer fork of the teams; | |||||||
4859 | // increment otherwise | |||||||
4860 | } | |||||||
4861 | } | |||||||
4862 | hot_teams = master->th.th_hot_teams; | |||||||
4863 | if (level < __kmp_hot_teams_max_level && hot_teams && | |||||||
4864 | hot_teams[level] | |||||||
4865 | .hot_team) { // hot team has already been allocated for given level | |||||||
4866 | use_hot_team = 1; | |||||||
4867 | } else { | |||||||
4868 | use_hot_team = 0; | |||||||
4869 | } | |||||||
4870 | } | |||||||
4871 | #endif | |||||||
4872 | // Optimization to use a "hot" team | |||||||
4873 | if (use_hot_team && new_nproc > 1) { | |||||||
4874 | KMP_DEBUG_ASSERT(new_nproc == max_nproc)((new_nproc == max_nproc) ? 0 : __kmp_debug_assert("new_nproc == max_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4874)); | |||||||
4875 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
4876 | team = hot_teams[level].hot_team; | |||||||
4877 | #else | |||||||
4878 | team = root->r.r_hot_team; | |||||||
4879 | #endif | |||||||
4880 | #if KMP_DEBUG1 | |||||||
4881 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
4882 | KA_TRACE(20, ("__kmp_allocate_team: hot team task_team[0] = %p "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: hot team task_team[0] = %p " "task_team[1] = %p before reinit\n", team->t.t_task_team[ 0], team->t.t_task_team[1]); } | |||||||
4883 | "task_team[1] = %p before reinit\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: hot team task_team[0] = %p " "task_team[1] = %p before reinit\n", team->t.t_task_team[ 0], team->t.t_task_team[1]); } | |||||||
4884 | team->t.t_task_team[0], team->t.t_task_team[1]))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: hot team task_team[0] = %p " "task_team[1] = %p before reinit\n", team->t.t_task_team[ 0], team->t.t_task_team[1]); }; | |||||||
4885 | } | |||||||
4886 | #endif | |||||||
4887 | ||||||||
4888 | // Has the number of threads changed? | |||||||
4889 | /* Let's assume the most common case is that the number of threads is | |||||||
4890 | unchanged, and put that case first. */ | |||||||
4891 | if (team->t.t_nproc == new_nproc) { // Check changes in number of threads | |||||||
4892 | KA_TRACE(20, ("__kmp_allocate_team: reusing hot team\n"))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: reusing hot team\n" ); }; | |||||||
4893 | // This case can mean that omp_set_num_threads() was called and the hot | |||||||
4894 | // team size was already reduced, so we check the special flag | |||||||
4895 | if (team->t.t_size_changed == -1) { | |||||||
4896 | team->t.t_size_changed = 1; | |||||||
4897 | } else { | |||||||
4898 | KMP_CHECK_UPDATE(team->t.t_size_changed, 0)if ((team->t.t_size_changed) != (0)) (team->t.t_size_changed ) = (0); | |||||||
4899 | } | |||||||
4900 | ||||||||
4901 | // TODO???: team->t.t_max_active_levels = new_max_active_levels; | |||||||
4902 | kmp_r_sched_t new_sched = new_icvs->sched; | |||||||
4903 | // set master's schedule as new run-time schedule | |||||||
4904 | KMP_CHECK_UPDATE(team->t.t_sched.sched, new_sched.sched)if ((team->t.t_sched.sched) != (new_sched.sched)) (team-> t.t_sched.sched) = (new_sched.sched); | |||||||
4905 | ||||||||
4906 | __kmp_reinitialize_team(team, new_icvs, | |||||||
4907 | root->r.r_uber_thread->th.th_ident); | |||||||
4908 | ||||||||
4909 | KF_TRACE(10, ("__kmp_allocate_team2: T#%d, this_thread=%p team=%p\n", 0,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_team2: T#%d, this_thread=%p team=%p\n" , 0, team->t.t_threads[0], team); } | |||||||
4910 | team->t.t_threads[0], team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_team2: T#%d, this_thread=%p team=%p\n" , 0, team->t.t_threads[0], team); }; | |||||||
4911 | __kmp_push_current_task_to_thread(team->t.t_threads[0], team, 0); | |||||||
4912 | ||||||||
4913 | #if OMP_40_ENABLED(50 >= 40) | |||||||
4914 | #if KMP_AFFINITY_SUPPORTED1 | |||||||
4915 | if ((team->t.t_size_changed == 0) && | |||||||
4916 | (team->t.t_proc_bind == new_proc_bind)) { | |||||||
4917 | if (new_proc_bind == proc_bind_spread) { | |||||||
4918 | __kmp_partition_places( | |||||||
4919 | team, 1); // add flag to update only master for spread | |||||||
4920 | } | |||||||
4921 | KA_TRACE(200, ("__kmp_allocate_team: reusing hot team #%d bindings: "if (kmp_a_debug >= 200) { __kmp_debug_printf ("__kmp_allocate_team: reusing hot team #%d bindings: " "proc_bind = %d, partition = [%d,%d]\n", team->t.t_id, new_proc_bind , team->t.t_first_place, team->t.t_last_place); } | |||||||
4922 | "proc_bind = %d, partition = [%d,%d]\n",if (kmp_a_debug >= 200) { __kmp_debug_printf ("__kmp_allocate_team: reusing hot team #%d bindings: " "proc_bind = %d, partition = [%d,%d]\n", team->t.t_id, new_proc_bind , team->t.t_first_place, team->t.t_last_place); } | |||||||
4923 | team->t.t_id, new_proc_bind, team->t.t_first_place,if (kmp_a_debug >= 200) { __kmp_debug_printf ("__kmp_allocate_team: reusing hot team #%d bindings: " "proc_bind = %d, partition = [%d,%d]\n", team->t.t_id, new_proc_bind , team->t.t_first_place, team->t.t_last_place); } | |||||||
4924 | team->t.t_last_place))if (kmp_a_debug >= 200) { __kmp_debug_printf ("__kmp_allocate_team: reusing hot team #%d bindings: " "proc_bind = %d, partition = [%d,%d]\n", team->t.t_id, new_proc_bind , team->t.t_first_place, team->t.t_last_place); }; | |||||||
4925 | } else { | |||||||
4926 | KMP_CHECK_UPDATE(team->t.t_proc_bind, new_proc_bind)if ((team->t.t_proc_bind) != (new_proc_bind)) (team->t. t_proc_bind) = (new_proc_bind); | |||||||
4927 | __kmp_partition_places(team); | |||||||
4928 | } | |||||||
4929 | #else | |||||||
4930 | KMP_CHECK_UPDATE(team->t.t_proc_bind, new_proc_bind)if ((team->t.t_proc_bind) != (new_proc_bind)) (team->t. t_proc_bind) = (new_proc_bind); | |||||||
4931 | #endif /* KMP_AFFINITY_SUPPORTED */ | |||||||
4932 | #endif /* OMP_40_ENABLED */ | |||||||
4933 | } else if (team->t.t_nproc > new_nproc) { | |||||||
4934 | KA_TRACE(20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: decreasing hot team thread count to %d\n" , new_nproc); } | |||||||
4935 | ("__kmp_allocate_team: decreasing hot team thread count to %d\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: decreasing hot team thread count to %d\n" , new_nproc); } | |||||||
4936 | new_nproc))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: decreasing hot team thread count to %d\n" , new_nproc); }; | |||||||
4937 | ||||||||
4938 | team->t.t_size_changed = 1; | |||||||
4939 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
4940 | if (__kmp_hot_teams_mode == 0) { | |||||||
4941 | // AC: saved number of threads should correspond to team's value in this | |||||||
4942 | // mode, can be bigger in mode 1, when hot team has threads in reserve | |||||||
4943 | KMP_DEBUG_ASSERT(hot_teams[level].hot_team_nth == team->t.t_nproc)((hot_teams[level].hot_team_nth == team->t.t_nproc) ? 0 : __kmp_debug_assert ("hot_teams[level].hot_team_nth == team->t.t_nproc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4943)); | |||||||
4944 | hot_teams[level].hot_team_nth = new_nproc; | |||||||
4945 | #endif // KMP_NESTED_HOT_TEAMS | |||||||
4946 | /* release the extra threads we don't need any more */ | |||||||
4947 | for (f = new_nproc; f < team->t.t_nproc; f++) { | |||||||
4948 | KMP_DEBUG_ASSERT(team->t.t_threads[f])((team->t.t_threads[f]) ? 0 : __kmp_debug_assert("team->t.t_threads[f]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4948)); | |||||||
4949 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
4950 | // When decreasing team size, threads no longer in the team should | |||||||
4951 | // unref task team. | |||||||
4952 | team->t.t_threads[f]->th.th_task_team = NULL__null; | |||||||
4953 | } | |||||||
4954 | __kmp_free_thread(team->t.t_threads[f]); | |||||||
4955 | team->t.t_threads[f] = NULL__null; | |||||||
4956 | } | |||||||
4957 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
4958 | } // (__kmp_hot_teams_mode == 0) | |||||||
4959 | else { | |||||||
4960 | // When keeping extra threads in team, switch threads to wait on own | |||||||
4961 | // b_go flag | |||||||
4962 | for (f = new_nproc; f < team->t.t_nproc; ++f) { | |||||||
4963 | KMP_DEBUG_ASSERT(team->t.t_threads[f])((team->t.t_threads[f]) ? 0 : __kmp_debug_assert("team->t.t_threads[f]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4963)); | |||||||
4964 | kmp_balign_t *balign = team->t.t_threads[f]->th.th_bar; | |||||||
4965 | for (int b = 0; b < bs_last_barrier; ++b) { | |||||||
4966 | if (balign[b].bb.wait_flag == KMP_BARRIER_PARENT_FLAG2) { | |||||||
4967 | balign[b].bb.wait_flag = KMP_BARRIER_SWITCH_TO_OWN_FLAG3; | |||||||
4968 | } | |||||||
4969 | KMP_CHECK_UPDATE(balign[b].bb.leaf_kids, 0)if ((balign[b].bb.leaf_kids) != (0)) (balign[b].bb.leaf_kids) = (0); | |||||||
4970 | } | |||||||
4971 | } | |||||||
4972 | } | |||||||
4973 | #endif // KMP_NESTED_HOT_TEAMS | |||||||
4974 | team->t.t_nproc = new_nproc; | |||||||
4975 | // TODO???: team->t.t_max_active_levels = new_max_active_levels; | |||||||
4976 | KMP_CHECK_UPDATE(team->t.t_sched.sched, new_icvs->sched.sched)if ((team->t.t_sched.sched) != (new_icvs->sched.sched)) (team->t.t_sched.sched) = (new_icvs->sched.sched); | |||||||
4977 | __kmp_reinitialize_team(team, new_icvs, | |||||||
4978 | root->r.r_uber_thread->th.th_ident); | |||||||
4979 | ||||||||
4980 | /* update the remaining threads */ | |||||||
4981 | for (f = 0; f < new_nproc; ++f) { | |||||||
4982 | team->t.t_threads[f]->th.th_team_nproc = new_nproc; | |||||||
4983 | } | |||||||
4984 | // restore the current task state of the master thread: should be the | |||||||
4985 | // implicit task | |||||||
4986 | KF_TRACE(10, ("__kmp_allocate_team: T#%d, this_thread=%p team=%p\n", 0,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_team: T#%d, this_thread=%p team=%p\n" , 0, team->t.t_threads[0], team); } | |||||||
4987 | team->t.t_threads[0], team))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_team: T#%d, this_thread=%p team=%p\n" , 0, team->t.t_threads[0], team); }; | |||||||
4988 | ||||||||
4989 | __kmp_push_current_task_to_thread(team->t.t_threads[0], team, 0); | |||||||
4990 | ||||||||
4991 | #ifdef KMP_DEBUG1 | |||||||
4992 | for (f = 0; f < team->t.t_nproc; f++) { | |||||||
4993 | KMP_DEBUG_ASSERT(team->t.t_threads[f] &&((team->t.t_threads[f] && team->t.t_threads[f]-> th.th_team_nproc == team->t.t_nproc) ? 0 : __kmp_debug_assert ("team->t.t_threads[f] && team->t.t_threads[f]->th.th_team_nproc == team->t.t_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4995)) | |||||||
4994 | team->t.t_threads[f]->th.th_team_nproc ==((team->t.t_threads[f] && team->t.t_threads[f]-> th.th_team_nproc == team->t.t_nproc) ? 0 : __kmp_debug_assert ("team->t.t_threads[f] && team->t.t_threads[f]->th.th_team_nproc == team->t.t_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4995)) | |||||||
4995 | team->t.t_nproc)((team->t.t_threads[f] && team->t.t_threads[f]-> th.th_team_nproc == team->t.t_nproc) ? 0 : __kmp_debug_assert ("team->t.t_threads[f] && team->t.t_threads[f]->th.th_team_nproc == team->t.t_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 4995)); | |||||||
4996 | } | |||||||
4997 | #endif | |||||||
4998 | ||||||||
4999 | #if OMP_40_ENABLED(50 >= 40) | |||||||
5000 | KMP_CHECK_UPDATE(team->t.t_proc_bind, new_proc_bind)if ((team->t.t_proc_bind) != (new_proc_bind)) (team->t. t_proc_bind) = (new_proc_bind); | |||||||
5001 | #if KMP_AFFINITY_SUPPORTED1 | |||||||
5002 | __kmp_partition_places(team); | |||||||
5003 | #endif | |||||||
5004 | #endif | |||||||
5005 | } else { // team->t.t_nproc < new_nproc | |||||||
5006 | #if KMP_OS_LINUX1 && KMP_AFFINITY_SUPPORTED1 | |||||||
5007 | kmp_affin_mask_t *old_mask; | |||||||
5008 | if (KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { | |||||||
5009 | KMP_CPU_ALLOC(old_mask)(old_mask = __kmp_affinity_dispatch->allocate_mask()); | |||||||
5010 | } | |||||||
5011 | #endif | |||||||
5012 | ||||||||
5013 | KA_TRACE(20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: increasing hot team thread count to %d\n" , new_nproc); } | |||||||
5014 | ("__kmp_allocate_team: increasing hot team thread count to %d\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: increasing hot team thread count to %d\n" , new_nproc); } | |||||||
5015 | new_nproc))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: increasing hot team thread count to %d\n" , new_nproc); }; | |||||||
5016 | ||||||||
5017 | team->t.t_size_changed = 1; | |||||||
5018 | ||||||||
5019 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
5020 | int avail_threads = hot_teams[level].hot_team_nth; | |||||||
5021 | if (new_nproc < avail_threads) | |||||||
5022 | avail_threads = new_nproc; | |||||||
5023 | kmp_info_t **other_threads = team->t.t_threads; | |||||||
5024 | for (f = team->t.t_nproc; f < avail_threads; ++f) { | |||||||
5025 | // Adjust barrier data of reserved threads (if any) of the team | |||||||
5026 | // Other data will be set in __kmp_initialize_info() below. | |||||||
5027 | int b; | |||||||
5028 | kmp_balign_t *balign = other_threads[f]->th.th_bar; | |||||||
5029 | for (b = 0; b < bs_last_barrier; ++b) { | |||||||
5030 | balign[b].bb.b_arrived = team->t.t_bar[b].b_arrived; | |||||||
5031 | KMP_DEBUG_ASSERT(balign[b].bb.wait_flag != KMP_BARRIER_PARENT_FLAG)((balign[b].bb.wait_flag != 2) ? 0 : __kmp_debug_assert("balign[b].bb.wait_flag != 2" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5031)); | |||||||
5032 | #if USE_DEBUGGER0 | |||||||
5033 | balign[b].bb.b_worker_arrived = team->t.t_bar[b].b_team_arrived; | |||||||
5034 | #endif | |||||||
5035 | } | |||||||
5036 | } | |||||||
5037 | if (hot_teams[level].hot_team_nth >= new_nproc) { | |||||||
5038 | // we have all needed threads in reserve, no need to allocate any | |||||||
5039 | // this only possible in mode 1, cannot have reserved threads in mode 0 | |||||||
5040 | KMP_DEBUG_ASSERT(__kmp_hot_teams_mode == 1)((__kmp_hot_teams_mode == 1) ? 0 : __kmp_debug_assert("__kmp_hot_teams_mode == 1" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5040)); | |||||||
5041 | team->t.t_nproc = new_nproc; // just get reserved threads involved | |||||||
5042 | } else { | |||||||
5043 | // we may have some threads in reserve, but not enough | |||||||
5044 | team->t.t_nproc = | |||||||
5045 | hot_teams[level] | |||||||
5046 | .hot_team_nth; // get reserved threads involved if any | |||||||
5047 | hot_teams[level].hot_team_nth = new_nproc; // adjust hot team max size | |||||||
5048 | #endif // KMP_NESTED_HOT_TEAMS | |||||||
5049 | if (team->t.t_max_nproc < new_nproc) { | |||||||
5050 | /* reallocate larger arrays */ | |||||||
5051 | __kmp_reallocate_team_arrays(team, new_nproc); | |||||||
5052 | __kmp_reinitialize_team(team, new_icvs, NULL__null); | |||||||
5053 | } | |||||||
5054 | ||||||||
5055 | #if KMP_OS_LINUX1 && KMP_AFFINITY_SUPPORTED1 | |||||||
5056 | /* Temporarily set full mask for master thread before creation of | |||||||
5057 | workers. The reason is that workers inherit the affinity from master, | |||||||
5058 | so if a lot of workers are created on the single core quickly, they | |||||||
5059 | don't get a chance to set their own affinity for a long time. */ | |||||||
5060 | __kmp_set_thread_affinity_mask_full_tmp(old_mask); | |||||||
5061 | #endif | |||||||
5062 | ||||||||
5063 | /* allocate new threads for the hot team */ | |||||||
5064 | for (f = team->t.t_nproc; f < new_nproc; f++) { | |||||||
5065 | kmp_info_t *new_worker = __kmp_allocate_thread(root, team, f); | |||||||
5066 | KMP_DEBUG_ASSERT(new_worker)((new_worker) ? 0 : __kmp_debug_assert("new_worker", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5066)); | |||||||
5067 | team->t.t_threads[f] = new_worker; | |||||||
5068 | ||||||||
5069 | KA_TRACE(20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init T#%d arrived: " "join=%llu, plain=%llu\n", team->t.t_id, ((((f) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(f) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5072)), team->t.t_threads[(f)]->th.th_info.ds.ds_gtid ), team->t.t_id, f, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); } | |||||||
5070 | ("__kmp_allocate_team: team %d init T#%d arrived: "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init T#%d arrived: " "join=%llu, plain=%llu\n", team->t.t_id, ((((f) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(f) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5072)), team->t.t_threads[(f)]->th.th_info.ds.ds_gtid ), team->t.t_id, f, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); } | |||||||
5071 | "join=%llu, plain=%llu\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init T#%d arrived: " "join=%llu, plain=%llu\n", team->t.t_id, ((((f) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(f) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5072)), team->t.t_threads[(f)]->th.th_info.ds.ds_gtid ), team->t.t_id, f, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); } | |||||||
5072 | team->t.t_id, __kmp_gtid_from_tid(f, team), team->t.t_id, f,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init T#%d arrived: " "join=%llu, plain=%llu\n", team->t.t_id, ((((f) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(f) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5072)), team->t.t_threads[(f)]->th.th_info.ds.ds_gtid ), team->t.t_id, f, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); } | |||||||
5073 | team->t.t_bar[bs_forkjoin_barrier].b_arrived,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init T#%d arrived: " "join=%llu, plain=%llu\n", team->t.t_id, ((((f) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(f) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5072)), team->t.t_threads[(f)]->th.th_info.ds.ds_gtid ), team->t.t_id, f, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); } | |||||||
5074 | team->t.t_bar[bs_plain_barrier].b_arrived))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init T#%d arrived: " "join=%llu, plain=%llu\n", team->t.t_id, ((((f) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert("(f) >= 0 && (team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5072)), team->t.t_threads[(f)]->th.th_info.ds.ds_gtid ), team->t.t_id, f, team->t.t_bar[bs_forkjoin_barrier]. b_arrived, team->t.t_bar[bs_plain_barrier].b_arrived); }; | |||||||
5075 | ||||||||
5076 | { // Initialize barrier data for new threads. | |||||||
5077 | int b; | |||||||
5078 | kmp_balign_t *balign = new_worker->th.th_bar; | |||||||
5079 | for (b = 0; b < bs_last_barrier; ++b) { | |||||||
5080 | balign[b].bb.b_arrived = team->t.t_bar[b].b_arrived; | |||||||
5081 | KMP_DEBUG_ASSERT(balign[b].bb.wait_flag !=((balign[b].bb.wait_flag != 2) ? 0 : __kmp_debug_assert("balign[b].bb.wait_flag != 2" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5082)) | |||||||
5082 | KMP_BARRIER_PARENT_FLAG)((balign[b].bb.wait_flag != 2) ? 0 : __kmp_debug_assert("balign[b].bb.wait_flag != 2" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5082)); | |||||||
5083 | #if USE_DEBUGGER0 | |||||||
5084 | balign[b].bb.b_worker_arrived = team->t.t_bar[b].b_team_arrived; | |||||||
5085 | #endif | |||||||
5086 | } | |||||||
5087 | } | |||||||
5088 | } | |||||||
5089 | ||||||||
5090 | #if KMP_OS_LINUX1 && KMP_AFFINITY_SUPPORTED1 | |||||||
5091 | if (KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { | |||||||
5092 | /* Restore initial master thread's affinity mask */ | |||||||
5093 | __kmp_set_system_affinity(old_mask, TRUE)(old_mask)->set_system_affinity((!0)); | |||||||
5094 | KMP_CPU_FREE(old_mask)__kmp_affinity_dispatch->deallocate_mask(old_mask); | |||||||
5095 | } | |||||||
5096 | #endif | |||||||
5097 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
5098 | } // end of check of t_nproc vs. new_nproc vs. hot_team_nth | |||||||
5099 | #endif // KMP_NESTED_HOT_TEAMS | |||||||
5100 | /* make sure everyone is syncronized */ | |||||||
5101 | int old_nproc = team->t.t_nproc; // save old value and use to update only | |||||||
5102 | // new threads below | |||||||
5103 | __kmp_initialize_team(team, new_nproc, new_icvs, | |||||||
5104 | root->r.r_uber_thread->th.th_ident); | |||||||
5105 | ||||||||
5106 | /* reinitialize the threads */ | |||||||
5107 | KMP_DEBUG_ASSERT(team->t.t_nproc == new_nproc)((team->t.t_nproc == new_nproc) ? 0 : __kmp_debug_assert("team->t.t_nproc == new_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5107)); | |||||||
5108 | for (f = 0; f < team->t.t_nproc; ++f) | |||||||
5109 | __kmp_initialize_info(team->t.t_threads[f], team, f, | |||||||
5110 | __kmp_gtid_from_tid(f, team)((((f) >= 0 && (team) != __null) ? 0 : __kmp_debug_assert ("(f) >= 0 && (team) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5110)), team->t.t_threads[(f)]->th.th_info.ds.ds_gtid )); | |||||||
5111 | if (level) { // set th_task_state for new threads in nested hot team | |||||||
5112 | // __kmp_initialize_info() no longer zeroes th_task_state, so we should | |||||||
5113 | // only need to set the th_task_state for the new threads. th_task_state | |||||||
5114 | // for master thread will not be accurate until after this in | |||||||
5115 | // __kmp_fork_call(), so we look to the master's memo_stack to get the | |||||||
5116 | // correct value. | |||||||
5117 | for (f = old_nproc; f < team->t.t_nproc; ++f) | |||||||
5118 | team->t.t_threads[f]->th.th_task_state = | |||||||
5119 | team->t.t_threads[0]->th.th_task_state_memo_stack[level]; | |||||||
5120 | } else { // set th_task_state for new threads in non-nested hot team | |||||||
5121 | int old_state = | |||||||
5122 | team->t.t_threads[0]->th.th_task_state; // copy master's state | |||||||
5123 | for (f = old_nproc; f < team->t.t_nproc; ++f) | |||||||
5124 | team->t.t_threads[f]->th.th_task_state = old_state; | |||||||
5125 | } | |||||||
5126 | ||||||||
5127 | #ifdef KMP_DEBUG1 | |||||||
5128 | for (f = 0; f < team->t.t_nproc; ++f) { | |||||||
5129 | KMP_DEBUG_ASSERT(team->t.t_threads[f] &&((team->t.t_threads[f] && team->t.t_threads[f]-> th.th_team_nproc == team->t.t_nproc) ? 0 : __kmp_debug_assert ("team->t.t_threads[f] && team->t.t_threads[f]->th.th_team_nproc == team->t.t_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5131)) | |||||||
5130 | team->t.t_threads[f]->th.th_team_nproc ==((team->t.t_threads[f] && team->t.t_threads[f]-> th.th_team_nproc == team->t.t_nproc) ? 0 : __kmp_debug_assert ("team->t.t_threads[f] && team->t.t_threads[f]->th.th_team_nproc == team->t.t_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5131)) | |||||||
5131 | team->t.t_nproc)((team->t.t_threads[f] && team->t.t_threads[f]-> th.th_team_nproc == team->t.t_nproc) ? 0 : __kmp_debug_assert ("team->t.t_threads[f] && team->t.t_threads[f]->th.th_team_nproc == team->t.t_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5131)); | |||||||
5132 | } | |||||||
5133 | #endif | |||||||
5134 | ||||||||
5135 | #if OMP_40_ENABLED(50 >= 40) | |||||||
5136 | KMP_CHECK_UPDATE(team->t.t_proc_bind, new_proc_bind)if ((team->t.t_proc_bind) != (new_proc_bind)) (team->t. t_proc_bind) = (new_proc_bind); | |||||||
5137 | #if KMP_AFFINITY_SUPPORTED1 | |||||||
5138 | __kmp_partition_places(team); | |||||||
5139 | #endif | |||||||
5140 | #endif | |||||||
5141 | } // Check changes in number of threads | |||||||
5142 | ||||||||
5143 | #if OMP_40_ENABLED(50 >= 40) | |||||||
5144 | kmp_info_t *master = team->t.t_threads[0]; | |||||||
5145 | if (master->th.th_teams_microtask) { | |||||||
5146 | for (f = 1; f < new_nproc; ++f) { | |||||||
5147 | // propagate teams construct specific info to workers | |||||||
5148 | kmp_info_t *thr = team->t.t_threads[f]; | |||||||
5149 | thr->th.th_teams_microtask = master->th.th_teams_microtask; | |||||||
5150 | thr->th.th_teams_level = master->th.th_teams_level; | |||||||
5151 | thr->th.th_teams_size = master->th.th_teams_size; | |||||||
5152 | } | |||||||
5153 | } | |||||||
5154 | #endif /* OMP_40_ENABLED */ | |||||||
5155 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
5156 | if (level) { | |||||||
5157 | // Sync barrier state for nested hot teams, not needed for outermost hot | |||||||
5158 | // team. | |||||||
5159 | for (f = 1; f < new_nproc; ++f) { | |||||||
5160 | kmp_info_t *thr = team->t.t_threads[f]; | |||||||
5161 | int b; | |||||||
5162 | kmp_balign_t *balign = thr->th.th_bar; | |||||||
5163 | for (b = 0; b < bs_last_barrier; ++b) { | |||||||
5164 | balign[b].bb.b_arrived = team->t.t_bar[b].b_arrived; | |||||||
5165 | KMP_DEBUG_ASSERT(balign[b].bb.wait_flag != KMP_BARRIER_PARENT_FLAG)((balign[b].bb.wait_flag != 2) ? 0 : __kmp_debug_assert("balign[b].bb.wait_flag != 2" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5165)); | |||||||
5166 | #if USE_DEBUGGER0 | |||||||
5167 | balign[b].bb.b_worker_arrived = team->t.t_bar[b].b_team_arrived; | |||||||
5168 | #endif | |||||||
5169 | } | |||||||
5170 | } | |||||||
5171 | } | |||||||
5172 | #endif // KMP_NESTED_HOT_TEAMS | |||||||
5173 | ||||||||
5174 | /* reallocate space for arguments if necessary */ | |||||||
5175 | __kmp_alloc_argv_entries(argc, team, TRUE(!0)); | |||||||
5176 | KMP_CHECK_UPDATE(team->t.t_argc, argc)if ((team->t.t_argc) != (argc)) (team->t.t_argc) = (argc ); | |||||||
5177 | // The hot team re-uses the previous task team, | |||||||
5178 | // if untouched during the previous release->gather phase. | |||||||
5179 | ||||||||
5180 | KF_TRACE(10, (" hot_team = %p\n", team))if (kmp_f_debug >= 10) { __kmp_debug_printf (" hot_team = %p\n" , team); }; | |||||||
5181 | ||||||||
5182 | #if KMP_DEBUG1 | |||||||
5183 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
5184 | KA_TRACE(20, ("__kmp_allocate_team: hot team task_team[0] = %p "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: hot team task_team[0] = %p " "task_team[1] = %p after reinit\n", team->t.t_task_team[0 ], team->t.t_task_team[1]); } | |||||||
5185 | "task_team[1] = %p after reinit\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: hot team task_team[0] = %p " "task_team[1] = %p after reinit\n", team->t.t_task_team[0 ], team->t.t_task_team[1]); } | |||||||
5186 | team->t.t_task_team[0], team->t.t_task_team[1]))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: hot team task_team[0] = %p " "task_team[1] = %p after reinit\n", team->t.t_task_team[0 ], team->t.t_task_team[1]); }; | |||||||
5187 | } | |||||||
5188 | #endif | |||||||
5189 | ||||||||
5190 | #if OMPT_SUPPORT1 | |||||||
5191 | __ompt_team_assign_id(team, ompt_parallel_data); | |||||||
5192 | #endif | |||||||
5193 | ||||||||
5194 | KMP_MB(); | |||||||
5195 | ||||||||
5196 | return team; | |||||||
5197 | } | |||||||
5198 | ||||||||
5199 | /* next, let's try to take one from the team pool */ | |||||||
5200 | KMP_MB(); | |||||||
5201 | for (team = CCAST(kmp_team_t *, __kmp_team_pool)const_cast<kmp_team_t *>(__kmp_team_pool); (team);) { | |||||||
5202 | /* TODO: consider resizing undersized teams instead of reaping them, now | |||||||
5203 | that we have a resizing mechanism */ | |||||||
5204 | if (team->t.t_max_nproc >= max_nproc) { | |||||||
5205 | /* take this team from the team pool */ | |||||||
5206 | __kmp_team_pool = team->t.t_next_pool; | |||||||
5207 | ||||||||
5208 | /* setup the team for fresh use */ | |||||||
5209 | __kmp_initialize_team(team, new_nproc, new_icvs, NULL__null); | |||||||
5210 | ||||||||
5211 | KA_TRACE(20, ("__kmp_allocate_team: setting task_team[0] %p and "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: setting task_team[0] %p and " "task_team[1] %p to NULL\n", &team->t.t_task_team[0], &team->t.t_task_team[1]); } | |||||||
5212 | "task_team[1] %p to NULL\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: setting task_team[0] %p and " "task_team[1] %p to NULL\n", &team->t.t_task_team[0], &team->t.t_task_team[1]); } | |||||||
5213 | &team->t.t_task_team[0], &team->t.t_task_team[1]))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: setting task_team[0] %p and " "task_team[1] %p to NULL\n", &team->t.t_task_team[0], &team->t.t_task_team[1]); }; | |||||||
5214 | team->t.t_task_team[0] = NULL__null; | |||||||
5215 | team->t.t_task_team[1] = NULL__null; | |||||||
5216 | ||||||||
5217 | /* reallocate space for arguments if necessary */ | |||||||
5218 | __kmp_alloc_argv_entries(argc, team, TRUE(!0)); | |||||||
5219 | KMP_CHECK_UPDATE(team->t.t_argc, argc)if ((team->t.t_argc) != (argc)) (team->t.t_argc) = (argc ); | |||||||
5220 | ||||||||
5221 | KA_TRACE(if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init arrived: join=%u, plain=%u\n" , team->t.t_id, 0, 0); } | |||||||
5222 | 20, ("__kmp_allocate_team: team %d init arrived: join=%u, plain=%u\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init arrived: join=%u, plain=%u\n" , team->t.t_id, 0, 0); } | |||||||
5223 | team->t.t_id, KMP_INIT_BARRIER_STATE, KMP_INIT_BARRIER_STATE))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init arrived: join=%u, plain=%u\n" , team->t.t_id, 0, 0); }; | |||||||
5224 | { // Initialize barrier data. | |||||||
5225 | int b; | |||||||
5226 | for (b = 0; b < bs_last_barrier; ++b) { | |||||||
5227 | team->t.t_bar[b].b_arrived = KMP_INIT_BARRIER_STATE0; | |||||||
5228 | #if USE_DEBUGGER0 | |||||||
5229 | team->t.t_bar[b].b_master_arrived = 0; | |||||||
5230 | team->t.t_bar[b].b_team_arrived = 0; | |||||||
5231 | #endif | |||||||
5232 | } | |||||||
5233 | } | |||||||
5234 | ||||||||
5235 | #if OMP_40_ENABLED(50 >= 40) | |||||||
5236 | team->t.t_proc_bind = new_proc_bind; | |||||||
5237 | #endif | |||||||
5238 | ||||||||
5239 | KA_TRACE(20, ("__kmp_allocate_team: using team from pool %d.\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: using team from pool %d.\n" , team->t.t_id); } | |||||||
5240 | team->t.t_id))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: using team from pool %d.\n" , team->t.t_id); }; | |||||||
5241 | ||||||||
5242 | #if OMPT_SUPPORT1 | |||||||
5243 | __ompt_team_assign_id(team, ompt_parallel_data); | |||||||
5244 | #endif | |||||||
5245 | ||||||||
5246 | KMP_MB(); | |||||||
5247 | ||||||||
5248 | return team; | |||||||
5249 | } | |||||||
5250 | ||||||||
5251 | /* reap team if it is too small, then loop back and check the next one */ | |||||||
5252 | // not sure if this is wise, but, will be redone during the hot-teams | |||||||
5253 | // rewrite. | |||||||
5254 | /* TODO: Use technique to find the right size hot-team, don't reap them */ | |||||||
5255 | team = __kmp_reap_team(team); | |||||||
5256 | __kmp_team_pool = team; | |||||||
5257 | } | |||||||
5258 | ||||||||
5259 | /* nothing available in the pool, no matter, make a new team! */ | |||||||
5260 | KMP_MB(); | |||||||
5261 | team = (kmp_team_t *)__kmp_allocate(sizeof(kmp_team_t))___kmp_allocate((sizeof(kmp_team_t)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5261); | |||||||
5262 | ||||||||
5263 | /* and set it up */ | |||||||
5264 | team->t.t_max_nproc = max_nproc; | |||||||
5265 | /* NOTE well, for some reason allocating one big buffer and dividing it up | |||||||
5266 | seems to really hurt performance a lot on the P4, so, let's not use this */ | |||||||
5267 | __kmp_allocate_team_arrays(team, max_nproc); | |||||||
5268 | ||||||||
5269 | KA_TRACE(20, ("__kmp_allocate_team: making a new team\n"))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: making a new team\n" ); }; | |||||||
5270 | __kmp_initialize_team(team, new_nproc, new_icvs, NULL__null); | |||||||
5271 | ||||||||
5272 | KA_TRACE(20, ("__kmp_allocate_team: setting task_team[0] %p and task_team[1] "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: setting task_team[0] %p and task_team[1] " "%p to NULL\n", &team->t.t_task_team[0], &team-> t.t_task_team[1]); } | |||||||
5273 | "%p to NULL\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: setting task_team[0] %p and task_team[1] " "%p to NULL\n", &team->t.t_task_team[0], &team-> t.t_task_team[1]); } | |||||||
5274 | &team->t.t_task_team[0], &team->t.t_task_team[1]))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: setting task_team[0] %p and task_team[1] " "%p to NULL\n", &team->t.t_task_team[0], &team-> t.t_task_team[1]); }; | |||||||
5275 | team->t.t_task_team[0] = NULL__null; // to be removed, as __kmp_allocate zeroes | |||||||
5276 | // memory, no need to duplicate | |||||||
5277 | team->t.t_task_team[1] = NULL__null; // to be removed, as __kmp_allocate zeroes | |||||||
5278 | // memory, no need to duplicate | |||||||
5279 | ||||||||
5280 | if (__kmp_storage_map) { | |||||||
5281 | __kmp_print_team_storage_map("team", team, team->t.t_id, new_nproc); | |||||||
5282 | } | |||||||
5283 | ||||||||
5284 | /* allocate space for arguments */ | |||||||
5285 | __kmp_alloc_argv_entries(argc, team, FALSE0); | |||||||
5286 | team->t.t_argc = argc; | |||||||
5287 | ||||||||
5288 | KA_TRACE(20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init arrived: join=%u, plain=%u\n" , team->t.t_id, 0, 0); } | |||||||
5289 | ("__kmp_allocate_team: team %d init arrived: join=%u, plain=%u\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init arrived: join=%u, plain=%u\n" , team->t.t_id, 0, 0); } | |||||||
5290 | team->t.t_id, KMP_INIT_BARRIER_STATE, KMP_INIT_BARRIER_STATE))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: team %d init arrived: join=%u, plain=%u\n" , team->t.t_id, 0, 0); }; | |||||||
5291 | { // Initialize barrier data. | |||||||
5292 | int b; | |||||||
5293 | for (b = 0; b < bs_last_barrier; ++b) { | |||||||
5294 | team->t.t_bar[b].b_arrived = KMP_INIT_BARRIER_STATE0; | |||||||
5295 | #if USE_DEBUGGER0 | |||||||
5296 | team->t.t_bar[b].b_master_arrived = 0; | |||||||
5297 | team->t.t_bar[b].b_team_arrived = 0; | |||||||
5298 | #endif | |||||||
5299 | } | |||||||
5300 | } | |||||||
5301 | ||||||||
5302 | #if OMP_40_ENABLED(50 >= 40) | |||||||
5303 | team->t.t_proc_bind = new_proc_bind; | |||||||
5304 | #endif | |||||||
5305 | ||||||||
5306 | #if OMPT_SUPPORT1 | |||||||
5307 | __ompt_team_assign_id(team, ompt_parallel_data); | |||||||
5308 | team->t.ompt_serialized_team_info = NULL__null; | |||||||
5309 | #endif | |||||||
5310 | ||||||||
5311 | KMP_MB(); | |||||||
5312 | ||||||||
5313 | KA_TRACE(20, ("__kmp_allocate_team: done creating a new team %d.\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: done creating a new team %d.\n" , team->t.t_id); } | |||||||
5314 | team->t.t_id))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: done creating a new team %d.\n" , team->t.t_id); }; | |||||||
5315 | ||||||||
5316 | return team; | |||||||
5317 | } | |||||||
5318 | ||||||||
5319 | /* TODO implement hot-teams at all levels */ | |||||||
5320 | /* TODO implement lazy thread release on demand (disband request) */ | |||||||
5321 | ||||||||
5322 | /* free the team. return it to the team pool. release all the threads | |||||||
5323 | * associated with it */ | |||||||
5324 | void __kmp_free_team(kmp_root_t *root, | |||||||
5325 | kmp_team_t *team USE_NESTED_HOT_ARG(kmp_info_t *master), kmp_info_t *master) { | |||||||
5326 | int f; | |||||||
5327 | KA_TRACE(20, ("__kmp_free_team: T#%d freeing team %d\n", __kmp_get_gtid(),if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_free_team: T#%d freeing team %d\n" , __kmp_get_global_thread_id(), team->t.t_id); } | |||||||
5328 | team->t.t_id))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_free_team: T#%d freeing team %d\n" , __kmp_get_global_thread_id(), team->t.t_id); }; | |||||||
5329 | ||||||||
5330 | /* verify state */ | |||||||
5331 | KMP_DEBUG_ASSERT(root)((root) ? 0 : __kmp_debug_assert("root", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5331)); | |||||||
5332 | KMP_DEBUG_ASSERT(team)((team) ? 0 : __kmp_debug_assert("team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5332)); | |||||||
5333 | KMP_DEBUG_ASSERT(team->t.t_nproc <= team->t.t_max_nproc)((team->t.t_nproc <= team->t.t_max_nproc) ? 0 : __kmp_debug_assert ("team->t.t_nproc <= team->t.t_max_nproc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5333)); | |||||||
5334 | KMP_DEBUG_ASSERT(team->t.t_threads)((team->t.t_threads) ? 0 : __kmp_debug_assert("team->t.t_threads" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5334)); | |||||||
5335 | ||||||||
5336 | int use_hot_team = team == root->r.r_hot_team; | |||||||
5337 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
5338 | int level; | |||||||
5339 | kmp_hot_team_ptr_t *hot_teams; | |||||||
5340 | if (master) { | |||||||
5341 | level = team->t.t_active_level - 1; | |||||||
5342 | if (master->th.th_teams_microtask) { // in teams construct? | |||||||
5343 | if (master->th.th_teams_size.nteams > 1) { | |||||||
5344 | ++level; // level was not increased in teams construct for | |||||||
5345 | // team_of_masters | |||||||
5346 | } | |||||||
5347 | if (team->t.t_pkfn != (microtask_t)__kmp_teams_master && | |||||||
5348 | master->th.th_teams_level == team->t.t_level) { | |||||||
5349 | ++level; // level was not increased in teams construct for | |||||||
5350 | // team_of_workers before the parallel | |||||||
5351 | } // team->t.t_level will be increased inside parallel | |||||||
5352 | } | |||||||
5353 | hot_teams = master->th.th_hot_teams; | |||||||
5354 | if (level < __kmp_hot_teams_max_level) { | |||||||
5355 | KMP_DEBUG_ASSERT(team == hot_teams[level].hot_team)((team == hot_teams[level].hot_team) ? 0 : __kmp_debug_assert ("team == hot_teams[level].hot_team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5355)); | |||||||
5356 | use_hot_team = 1; | |||||||
5357 | } | |||||||
5358 | } | |||||||
5359 | #endif // KMP_NESTED_HOT_TEAMS | |||||||
5360 | ||||||||
5361 | /* team is done working */ | |||||||
5362 | TCW_SYNC_PTR(team->t.t_pkfn,((team->t.t_pkfn)) = ((__null)) | |||||||
5363 | NULL)((team->t.t_pkfn)) = ((__null)); // Important for Debugging Support Library. | |||||||
5364 | #if KMP_OS_WINDOWS0 | |||||||
5365 | team->t.t_copyin_counter = 0; // init counter for possible reuse | |||||||
5366 | #endif | |||||||
5367 | // Do not reset pointer to parent team to NULL for hot teams. | |||||||
5368 | ||||||||
5369 | /* if we are non-hot team, release our threads */ | |||||||
5370 | if (!use_hot_team) { | |||||||
5371 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||||||
5372 | // Wait for threads to reach reapable state | |||||||
5373 | for (f = 1; f < team->t.t_nproc; ++f) { | |||||||
5374 | KMP_DEBUG_ASSERT(team->t.t_threads[f])((team->t.t_threads[f]) ? 0 : __kmp_debug_assert("team->t.t_threads[f]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5374)); | |||||||
5375 | kmp_info_t *th = team->t.t_threads[f]; | |||||||
5376 | volatile kmp_uint32 *state = &th->th.th_reap_state; | |||||||
5377 | while (*state != KMP_SAFE_TO_REAP1) { | |||||||
5378 | #if KMP_OS_WINDOWS0 | |||||||
5379 | // On Windows a thread can be killed at any time, check this | |||||||
5380 | DWORD ecode; | |||||||
5381 | if (!__kmp_is_thread_alive(th, &ecode)) { | |||||||
5382 | *state = KMP_SAFE_TO_REAP1; // reset the flag for dead thread | |||||||
5383 | break; | |||||||
5384 | } | |||||||
5385 | #endif | |||||||
5386 | // first check if thread is sleeping | |||||||
5387 | kmp_flag_64 fl(&th->th.th_bar[bs_forkjoin_barrier].bb.b_go, th); | |||||||
5388 | if (fl.is_sleeping()) | |||||||
5389 | fl.resume(__kmp_gtid_from_thread(th)((((th) != __null) ? 0 : __kmp_debug_assert("(th) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5389)), (th)->th.th_info.ds.ds_gtid)); | |||||||
5390 | KMP_CPU_PAUSE()__kmp_x86_pause(); | |||||||
5391 | } | |||||||
5392 | } | |||||||
5393 | ||||||||
5394 | // Delete task teams | |||||||
5395 | int tt_idx; | |||||||
5396 | for (tt_idx = 0; tt_idx < 2; ++tt_idx) { | |||||||
5397 | kmp_task_team_t *task_team = team->t.t_task_team[tt_idx]; | |||||||
5398 | if (task_team != NULL__null) { | |||||||
5399 | for (f = 0; f < team->t.t_nproc; | |||||||
5400 | ++f) { // Have all threads unref task teams | |||||||
5401 | team->t.t_threads[f]->th.th_task_team = NULL__null; | |||||||
5402 | } | |||||||
5403 | KA_TRACE(if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_free_team: T#%d deactivating task_team %p on team %d\n" , __kmp_get_global_thread_id(), task_team, team->t.t_id); } | |||||||
5404 | 20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_free_team: T#%d deactivating task_team %p on team %d\n" , __kmp_get_global_thread_id(), task_team, team->t.t_id); } | |||||||
5405 | ("__kmp_free_team: T#%d deactivating task_team %p on team %d\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_free_team: T#%d deactivating task_team %p on team %d\n" , __kmp_get_global_thread_id(), task_team, team->t.t_id); } | |||||||
5406 | __kmp_get_gtid(), task_team, team->t.t_id))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_free_team: T#%d deactivating task_team %p on team %d\n" , __kmp_get_global_thread_id(), task_team, team->t.t_id); }; | |||||||
5407 | #if KMP_NESTED_HOT_TEAMS1 | |||||||
5408 | __kmp_free_task_team(master, task_team); | |||||||
5409 | #endif | |||||||
5410 | team->t.t_task_team[tt_idx] = NULL__null; | |||||||
5411 | } | |||||||
5412 | } | |||||||
5413 | } | |||||||
5414 | ||||||||
5415 | // Reset pointer to parent team only for non-hot teams. | |||||||
5416 | team->t.t_parent = NULL__null; | |||||||
5417 | team->t.t_level = 0; | |||||||
5418 | team->t.t_active_level = 0; | |||||||
5419 | ||||||||
5420 | /* free the worker threads */ | |||||||
5421 | for (f = 1; f < team->t.t_nproc; ++f) { | |||||||
5422 | KMP_DEBUG_ASSERT(team->t.t_threads[f])((team->t.t_threads[f]) ? 0 : __kmp_debug_assert("team->t.t_threads[f]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5422)); | |||||||
5423 | __kmp_free_thread(team->t.t_threads[f]); | |||||||
5424 | team->t.t_threads[f] = NULL__null; | |||||||
5425 | } | |||||||
5426 | ||||||||
5427 | /* put the team back in the team pool */ | |||||||
5428 | /* TODO limit size of team pool, call reap_team if pool too large */ | |||||||
5429 | team->t.t_next_pool = CCAST(kmp_team_t *, __kmp_team_pool)const_cast<kmp_team_t *>(__kmp_team_pool); | |||||||
5430 | __kmp_team_pool = (volatile kmp_team_t *)team; | |||||||
5431 | } | |||||||
5432 | ||||||||
5433 | KMP_MB(); | |||||||
5434 | } | |||||||
5435 | ||||||||
5436 | /* reap the team. destroy it, reclaim all its resources and free its memory */ | |||||||
5437 | kmp_team_t *__kmp_reap_team(kmp_team_t *team) { | |||||||
5438 | kmp_team_t *next_pool = team->t.t_next_pool; | |||||||
5439 | ||||||||
5440 | KMP_DEBUG_ASSERT(team)((team) ? 0 : __kmp_debug_assert("team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5440)); | |||||||
5441 | KMP_DEBUG_ASSERT(team->t.t_dispatch)((team->t.t_dispatch) ? 0 : __kmp_debug_assert("team->t.t_dispatch" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5441)); | |||||||
5442 | KMP_DEBUG_ASSERT(team->t.t_disp_buffer)((team->t.t_disp_buffer) ? 0 : __kmp_debug_assert("team->t.t_disp_buffer" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5442)); | |||||||
5443 | KMP_DEBUG_ASSERT(team->t.t_threads)((team->t.t_threads) ? 0 : __kmp_debug_assert("team->t.t_threads" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5443)); | |||||||
5444 | KMP_DEBUG_ASSERT(team->t.t_argv)((team->t.t_argv) ? 0 : __kmp_debug_assert("team->t.t_argv" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5444)); | |||||||
5445 | ||||||||
5446 | /* TODO clean the threads that are a part of this? */ | |||||||
5447 | ||||||||
5448 | /* free stuff */ | |||||||
5449 | __kmp_free_team_arrays(team); | |||||||
5450 | if (team->t.t_argv != &team->t.t_inline_argv[0]) | |||||||
5451 | __kmp_free((void *)team->t.t_argv)___kmp_free(((void *)team->t.t_argv), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5451); | |||||||
5452 | __kmp_free(team)___kmp_free((team), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5452); | |||||||
5453 | ||||||||
5454 | KMP_MB(); | |||||||
5455 | return next_pool; | |||||||
5456 | } | |||||||
5457 | ||||||||
5458 | // Free the thread. Don't reap it, just place it on the pool of available | |||||||
5459 | // threads. | |||||||
5460 | // | |||||||
5461 | // Changes for Quad issue 527845: We need a predictable OMP tid <-> gtid | |||||||
5462 | // binding for the affinity mechanism to be useful. | |||||||
5463 | // | |||||||
5464 | // Now, we always keep the free list (__kmp_thread_pool) sorted by gtid. | |||||||
5465 | // However, we want to avoid a potential performance problem by always | |||||||
5466 | // scanning through the list to find the correct point at which to insert | |||||||
5467 | // the thread (potential N**2 behavior). To do this we keep track of the | |||||||
5468 | // last place a thread struct was inserted (__kmp_thread_pool_insert_pt). | |||||||
5469 | // With single-level parallelism, threads will always be added to the tail | |||||||
5470 | // of the list, kept track of by __kmp_thread_pool_insert_pt. With nested | |||||||
5471 | // parallelism, all bets are off and we may need to scan through the entire | |||||||
5472 | // free list. | |||||||
5473 | // | |||||||
5474 | // This change also has a potentially large performance benefit, for some | |||||||
5475 | // applications. Previously, as threads were freed from the hot team, they | |||||||
5476 | // would be placed back on the free list in inverse order. If the hot team | |||||||
5477 | // grew back to it's original size, then the freed thread would be placed | |||||||
5478 | // back on the hot team in reverse order. This could cause bad cache | |||||||
5479 | // locality problems on programs where the size of the hot team regularly | |||||||
5480 | // grew and shrunk. | |||||||
5481 | // | |||||||
5482 | // Now, for single-level parallelism, the OMP tid is alway == gtid. | |||||||
5483 | void __kmp_free_thread(kmp_info_t *this_th) { | |||||||
5484 | int gtid; | |||||||
5485 | kmp_info_t **scan; | |||||||
5486 | kmp_root_t *root = this_th->th.th_root; | |||||||
5487 | ||||||||
5488 | KA_TRACE(20, ("__kmp_free_thread: T#%d putting T#%d back on free pool.\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_free_thread: T#%d putting T#%d back on free pool.\n" , __kmp_get_global_thread_id(), this_th->th.th_info.ds.ds_gtid ); } | |||||||
5489 | __kmp_get_gtid(), this_th->th.th_info.ds.ds_gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_free_thread: T#%d putting T#%d back on free pool.\n" , __kmp_get_global_thread_id(), this_th->th.th_info.ds.ds_gtid ); }; | |||||||
5490 | ||||||||
5491 | KMP_DEBUG_ASSERT(this_th)((this_th) ? 0 : __kmp_debug_assert("this_th", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5491)); | |||||||
5492 | ||||||||
5493 | // When moving thread to pool, switch thread to wait on own b_go flag, and | |||||||
5494 | // uninitialized (NULL team). | |||||||
5495 | int b; | |||||||
5496 | kmp_balign_t *balign = this_th->th.th_bar; | |||||||
5497 | for (b = 0; b < bs_last_barrier; ++b) { | |||||||
5498 | if (balign[b].bb.wait_flag == KMP_BARRIER_PARENT_FLAG2) | |||||||
5499 | balign[b].bb.wait_flag = KMP_BARRIER_SWITCH_TO_OWN_FLAG3; | |||||||
5500 | balign[b].bb.team = NULL__null; | |||||||
5501 | balign[b].bb.leaf_kids = 0; | |||||||
5502 | } | |||||||
5503 | this_th->th.th_task_state = 0; | |||||||
5504 | this_th->th.th_reap_state = KMP_SAFE_TO_REAP1; | |||||||
5505 | ||||||||
5506 | /* put thread back on the free pool */ | |||||||
5507 | TCW_PTR(this_th->th.th_team, NULL)((this_th->th.th_team)) = ((__null)); | |||||||
5508 | TCW_PTR(this_th->th.th_root, NULL)((this_th->th.th_root)) = ((__null)); | |||||||
5509 | TCW_PTR(this_th->th.th_dispatch, NULL)((this_th->th.th_dispatch)) = ((__null)); /* NOT NEEDED */ | |||||||
5510 | ||||||||
5511 | /* If the implicit task assigned to this thread can be used by other threads | |||||||
5512 | * -> multiple threads can share the data and try to free the task at | |||||||
5513 | * __kmp_reap_thread at exit. This duplicate use of the task data can happen | |||||||
5514 | * with higher probability when hot team is disabled but can occurs even when | |||||||
5515 | * the hot team is enabled */ | |||||||
5516 | __kmp_free_implicit_task(this_th); | |||||||
5517 | this_th->th.th_current_task = NULL__null; | |||||||
5518 | ||||||||
5519 | // If the __kmp_thread_pool_insert_pt is already past the new insert | |||||||
5520 | // point, then we need to re-scan the entire list. | |||||||
5521 | gtid = this_th->th.th_info.ds.ds_gtid; | |||||||
5522 | if (__kmp_thread_pool_insert_pt != NULL__null) { | |||||||
5523 | KMP_DEBUG_ASSERT(__kmp_thread_pool != NULL)((__kmp_thread_pool != __null) ? 0 : __kmp_debug_assert("__kmp_thread_pool != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5523)); | |||||||
5524 | if (__kmp_thread_pool_insert_pt->th.th_info.ds.ds_gtid > gtid) { | |||||||
5525 | __kmp_thread_pool_insert_pt = NULL__null; | |||||||
5526 | } | |||||||
5527 | } | |||||||
5528 | ||||||||
5529 | // Scan down the list to find the place to insert the thread. | |||||||
5530 | // scan is the address of a link in the list, possibly the address of | |||||||
5531 | // __kmp_thread_pool itself. | |||||||
5532 | // | |||||||
5533 | // In the absence of nested parallism, the for loop will have 0 iterations. | |||||||
5534 | if (__kmp_thread_pool_insert_pt != NULL__null) { | |||||||
5535 | scan = &(__kmp_thread_pool_insert_pt->th.th_next_pool); | |||||||
5536 | } else { | |||||||
5537 | scan = CCAST(kmp_info_t **, &__kmp_thread_pool)const_cast<kmp_info_t **>(&__kmp_thread_pool); | |||||||
5538 | } | |||||||
5539 | for (; (*scan != NULL__null) && ((*scan)->th.th_info.ds.ds_gtid < gtid); | |||||||
5540 | scan = &((*scan)->th.th_next_pool)) | |||||||
5541 | ; | |||||||
5542 | ||||||||
5543 | // Insert the new element on the list, and set __kmp_thread_pool_insert_pt | |||||||
5544 | // to its address. | |||||||
5545 | TCW_PTR(this_th->th.th_next_pool, *scan)((this_th->th.th_next_pool)) = ((*scan)); | |||||||
5546 | __kmp_thread_pool_insert_pt = *scan = this_th; | |||||||
5547 | KMP_DEBUG_ASSERT((this_th->th.th_next_pool == NULL) ||(((this_th->th.th_next_pool == __null) || (this_th->th. th_info.ds.ds_gtid < this_th->th.th_next_pool->th.th_info .ds.ds_gtid)) ? 0 : __kmp_debug_assert("(this_th->th.th_next_pool == __null) || (this_th->th.th_info.ds.ds_gtid < this_th->th.th_next_pool->th.th_info.ds.ds_gtid)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5549)) | |||||||
5548 | (this_th->th.th_info.ds.ds_gtid <(((this_th->th.th_next_pool == __null) || (this_th->th. th_info.ds.ds_gtid < this_th->th.th_next_pool->th.th_info .ds.ds_gtid)) ? 0 : __kmp_debug_assert("(this_th->th.th_next_pool == __null) || (this_th->th.th_info.ds.ds_gtid < this_th->th.th_next_pool->th.th_info.ds.ds_gtid)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5549)) | |||||||
5549 | this_th->th.th_next_pool->th.th_info.ds.ds_gtid))(((this_th->th.th_next_pool == __null) || (this_th->th. th_info.ds.ds_gtid < this_th->th.th_next_pool->th.th_info .ds.ds_gtid)) ? 0 : __kmp_debug_assert("(this_th->th.th_next_pool == __null) || (this_th->th.th_info.ds.ds_gtid < this_th->th.th_next_pool->th.th_info.ds.ds_gtid)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5549)); | |||||||
5550 | TCW_4(this_th->th.th_in_pool, TRUE)(this_th->th.th_in_pool) = ((!0)); | |||||||
5551 | __kmp_thread_pool_nth++; | |||||||
5552 | ||||||||
5553 | TCW_4(__kmp_nth, __kmp_nth - 1)(__kmp_nth) = (__kmp_nth - 1); | |||||||
5554 | root->r.r_cg_nthreads--; | |||||||
5555 | ||||||||
5556 | #ifdef KMP_ADJUST_BLOCKTIME1 | |||||||
5557 | /* Adjust blocktime back to user setting or default if necessary */ | |||||||
5558 | /* Middle initialization might never have occurred */ | |||||||
5559 | if (!__kmp_env_blocktime && (__kmp_avail_proc > 0)) { | |||||||
5560 | KMP_DEBUG_ASSERT(__kmp_avail_proc > 0)((__kmp_avail_proc > 0) ? 0 : __kmp_debug_assert("__kmp_avail_proc > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5560)); | |||||||
5561 | if (__kmp_nth <= __kmp_avail_proc) { | |||||||
5562 | __kmp_zero_bt = FALSE0; | |||||||
5563 | } | |||||||
5564 | } | |||||||
5565 | #endif /* KMP_ADJUST_BLOCKTIME */ | |||||||
5566 | ||||||||
5567 | KMP_MB(); | |||||||
5568 | } | |||||||
5569 | ||||||||
5570 | /* ------------------------------------------------------------------------ */ | |||||||
5571 | ||||||||
5572 | void *__kmp_launch_thread(kmp_info_t *this_thr) { | |||||||
5573 | int gtid = this_thr->th.th_info.ds.ds_gtid; | |||||||
5574 | /* void *stack_data;*/ | |||||||
5575 | kmp_team_t *(*volatile pteam); | |||||||
5576 | ||||||||
5577 | KMP_MB(); | |||||||
5578 | KA_TRACE(10, ("__kmp_launch_thread: T#%d start\n", gtid))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_launch_thread: T#%d start\n" , gtid); }; | |||||||
5579 | ||||||||
5580 | if (__kmp_env_consistency_check) { | |||||||
5581 | this_thr->th.th_cons = __kmp_allocate_cons_stack(gtid); // ATT: Memory leak? | |||||||
5582 | } | |||||||
5583 | ||||||||
5584 | #if OMPT_SUPPORT1 | |||||||
5585 | ompt_data_t *thread_data; | |||||||
5586 | if (ompt_enabled.enabled) { | |||||||
5587 | thread_data = &(this_thr->th.ompt_thread_info.thread_data); | |||||||
5588 | thread_data->ptr = NULL__null; | |||||||
5589 | ||||||||
5590 | this_thr->th.ompt_thread_info.state = omp_state_overhead; | |||||||
5591 | this_thr->th.ompt_thread_info.wait_id = 0; | |||||||
5592 | this_thr->th.ompt_thread_info.idle_frame = OMPT_GET_FRAME_ADDRESS(0)__builtin_frame_address(0); | |||||||
5593 | if (ompt_enabled.ompt_callback_thread_begin) { | |||||||
5594 | ompt_callbacks.ompt_callback(ompt_callback_thread_begin)ompt_callback_thread_begin_callback( | |||||||
5595 | ompt_thread_worker, thread_data); | |||||||
5596 | } | |||||||
5597 | } | |||||||
5598 | #endif | |||||||
5599 | ||||||||
5600 | #if OMPT_SUPPORT1 | |||||||
5601 | if (ompt_enabled.enabled) { | |||||||
5602 | this_thr->th.ompt_thread_info.state = omp_state_idle; | |||||||
5603 | } | |||||||
5604 | #endif | |||||||
5605 | /* This is the place where threads wait for work */ | |||||||
5606 | while (!TCR_4(__kmp_global.g.g_done)(__kmp_global.g.g_done)) { | |||||||
5607 | KMP_DEBUG_ASSERT(this_thr == __kmp_threads[gtid])((this_thr == __kmp_threads[gtid]) ? 0 : __kmp_debug_assert("this_thr == __kmp_threads[gtid]" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5607)); | |||||||
5608 | KMP_MB(); | |||||||
5609 | ||||||||
5610 | /* wait for work to do */ | |||||||
5611 | KA_TRACE(20, ("__kmp_launch_thread: T#%d waiting for work\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_launch_thread: T#%d waiting for work\n" , gtid); }; | |||||||
5612 | ||||||||
5613 | /* No tid yet since not part of a team */ | |||||||
5614 | __kmp_fork_barrier(gtid, KMP_GTID_DNE(-2)); | |||||||
5615 | ||||||||
5616 | #if OMPT_SUPPORT1 | |||||||
5617 | if (ompt_enabled.enabled) { | |||||||
5618 | this_thr->th.ompt_thread_info.state = omp_state_overhead; | |||||||
5619 | } | |||||||
5620 | #endif | |||||||
5621 | ||||||||
5622 | pteam = (kmp_team_t * (*))(&this_thr->th.th_team); | |||||||
5623 | ||||||||
5624 | /* have we been allocated? */ | |||||||
5625 | if (TCR_SYNC_PTR(*pteam)((void *)(*pteam)) && !TCR_4(__kmp_global.g.g_done)(__kmp_global.g.g_done)) { | |||||||
5626 | /* we were just woken up, so run our new task */ | |||||||
5627 | if (TCR_SYNC_PTR((*pteam)->t.t_pkfn)((void *)((*pteam)->t.t_pkfn)) != NULL__null) { | |||||||
5628 | int rc; | |||||||
5629 | KA_TRACE(20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_launch_thread: T#%d(%d:%d) invoke microtask = %p\n" , gtid, (*pteam)->t.t_id, ((((gtid) >= 0) ? 0 : __kmp_debug_assert ("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5631)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid), (* pteam)->t.t_pkfn); } | |||||||
5630 | ("__kmp_launch_thread: T#%d(%d:%d) invoke microtask = %p\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_launch_thread: T#%d(%d:%d) invoke microtask = %p\n" , gtid, (*pteam)->t.t_id, ((((gtid) >= 0) ? 0 : __kmp_debug_assert ("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5631)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid), (* pteam)->t.t_pkfn); } | |||||||
5631 | gtid, (*pteam)->t.t_id, __kmp_tid_from_gtid(gtid),if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_launch_thread: T#%d(%d:%d) invoke microtask = %p\n" , gtid, (*pteam)->t.t_id, ((((gtid) >= 0) ? 0 : __kmp_debug_assert ("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5631)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid), (* pteam)->t.t_pkfn); } | |||||||
5632 | (*pteam)->t.t_pkfn))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_launch_thread: T#%d(%d:%d) invoke microtask = %p\n" , gtid, (*pteam)->t.t_id, ((((gtid) >= 0) ? 0 : __kmp_debug_assert ("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5631)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid), (* pteam)->t.t_pkfn); }; | |||||||
5633 | ||||||||
5634 | updateHWFPControl(*pteam); | |||||||
5635 | ||||||||
5636 | #if OMPT_SUPPORT1 | |||||||
5637 | if (ompt_enabled.enabled) { | |||||||
5638 | this_thr->th.ompt_thread_info.state = omp_state_work_parallel; | |||||||
5639 | } | |||||||
5640 | #endif | |||||||
5641 | ||||||||
5642 | { | |||||||
5643 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||||||
5644 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||||||
5645 | rc = (*pteam)->t.t_invoke(gtid); | |||||||
5646 | } | |||||||
5647 | KMP_ASSERT(rc)((rc) ? 0 : __kmp_debug_assert("rc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5647)); | |||||||
5648 | ||||||||
5649 | KMP_MB(); | |||||||
5650 | KA_TRACE(20, ("__kmp_launch_thread: T#%d(%d:%d) done microtask = %p\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_launch_thread: T#%d(%d:%d) done microtask = %p\n" , gtid, (*pteam)->t.t_id, ((((gtid) >= 0) ? 0 : __kmp_debug_assert ("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5651)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid), (* pteam)->t.t_pkfn); } | |||||||
5651 | gtid, (*pteam)->t.t_id, __kmp_tid_from_gtid(gtid),if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_launch_thread: T#%d(%d:%d) done microtask = %p\n" , gtid, (*pteam)->t.t_id, ((((gtid) >= 0) ? 0 : __kmp_debug_assert ("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5651)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid), (* pteam)->t.t_pkfn); } | |||||||
5652 | (*pteam)->t.t_pkfn))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_launch_thread: T#%d(%d:%d) done microtask = %p\n" , gtid, (*pteam)->t.t_id, ((((gtid) >= 0) ? 0 : __kmp_debug_assert ("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5651)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid), (* pteam)->t.t_pkfn); }; | |||||||
5653 | } | |||||||
5654 | #if OMPT_SUPPORT1 | |||||||
5655 | if (ompt_enabled.enabled) { | |||||||
5656 | /* no frame set while outside task */ | |||||||
5657 | __ompt_get_task_info_object(0)->frame.exit_frame = NULL__null; | |||||||
5658 | ||||||||
5659 | this_thr->th.ompt_thread_info.state = omp_state_overhead; | |||||||
5660 | } | |||||||
5661 | #endif | |||||||
5662 | /* join barrier after parallel region */ | |||||||
5663 | __kmp_join_barrier(gtid); | |||||||
5664 | } | |||||||
5665 | } | |||||||
5666 | TCR_SYNC_PTR((intptr_t)__kmp_global.g.g_done)((void *)((intptr_t)__kmp_global.g.g_done)); | |||||||
5667 | ||||||||
5668 | #if OMPT_SUPPORT1 | |||||||
5669 | if (ompt_enabled.ompt_callback_thread_end) { | |||||||
5670 | ompt_callbacks.ompt_callback(ompt_callback_thread_end)ompt_callback_thread_end_callback(thread_data); | |||||||
5671 | } | |||||||
5672 | #endif | |||||||
5673 | ||||||||
5674 | this_thr->th.th_task_team = NULL__null; | |||||||
5675 | /* run the destructors for the threadprivate data for this thread */ | |||||||
5676 | __kmp_common_destroy_gtid(gtid); | |||||||
5677 | ||||||||
5678 | KA_TRACE(10, ("__kmp_launch_thread: T#%d done\n", gtid))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_launch_thread: T#%d done\n" , gtid); }; | |||||||
5679 | KMP_MB(); | |||||||
5680 | return this_thr; | |||||||
5681 | } | |||||||
5682 | ||||||||
5683 | /* ------------------------------------------------------------------------ */ | |||||||
5684 | ||||||||
5685 | void __kmp_internal_end_dest(void *specific_gtid) { | |||||||
5686 | #if KMP_COMPILER_ICC0 | |||||||
5687 | #pragma warning(push) | |||||||
5688 | #pragma warning(disable : 810) // conversion from "void *" to "int" may lose | |||||||
5689 | // significant bits | |||||||
5690 | #endif | |||||||
5691 | // Make sure no significant bits are lost | |||||||
5692 | int gtid = (kmp_intptr_t)specific_gtid - 1; | |||||||
5693 | #if KMP_COMPILER_ICC0 | |||||||
5694 | #pragma warning(pop) | |||||||
5695 | #endif | |||||||
5696 | ||||||||
5697 | KA_TRACE(30, ("__kmp_internal_end_dest: T#%d\n", gtid))if (kmp_a_debug >= 30) { __kmp_debug_printf ("__kmp_internal_end_dest: T#%d\n" , gtid); }; | |||||||
5698 | /* NOTE: the gtid is stored as gitd+1 in the thread-local-storage | |||||||
5699 | * this is because 0 is reserved for the nothing-stored case */ | |||||||
5700 | ||||||||
5701 | /* josh: One reason for setting the gtid specific data even when it is being | |||||||
5702 | destroyed by pthread is to allow gtid lookup through thread specific data | |||||||
5703 | (__kmp_gtid_get_specific). Some of the code, especially stat code, | |||||||
5704 | that gets executed in the call to __kmp_internal_end_thread, actually | |||||||
5705 | gets the gtid through the thread specific data. Setting it here seems | |||||||
5706 | rather inelegant and perhaps wrong, but allows __kmp_internal_end_thread | |||||||
5707 | to run smoothly. | |||||||
5708 | todo: get rid of this after we remove the dependence on | |||||||
5709 | __kmp_gtid_get_specific */ | |||||||
5710 | if (gtid >= 0 && KMP_UBER_GTID(gtid)((((gtid) >= (-6)) ? 0 : __kmp_debug_assert("(gtid) >= (-6)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5710)), (((gtid) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(gtid) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5710)), (gtid) >= 0 && __kmp_root[(gtid)] && __kmp_threads[(gtid)] && (__kmp_threads[(gtid)] == __kmp_root [(gtid)]->r.r_uber_thread))) | |||||||
5711 | __kmp_gtid_set_specific(gtid); | |||||||
5712 | #ifdef KMP_TDATA_GTID1 | |||||||
5713 | __kmp_gtid = gtid; | |||||||
5714 | #endif | |||||||
5715 | __kmp_internal_end_thread(gtid); | |||||||
5716 | } | |||||||
5717 | ||||||||
5718 | #if KMP_OS_UNIX1 && KMP_DYNAMIC_LIB1 | |||||||
5719 | ||||||||
5720 | // 2009-09-08 (lev): It looks the destructor does not work. In simple test cases | |||||||
5721 | // destructors work perfectly, but in real libomp.so I have no evidence it is | |||||||
5722 | // ever called. However, -fini linker option in makefile.mk works fine. | |||||||
5723 | ||||||||
5724 | __attribute__((destructor)) void __kmp_internal_end_dtor(void) { | |||||||
5725 | __kmp_internal_end_atexit(); | |||||||
5726 | } | |||||||
5727 | ||||||||
5728 | void __kmp_internal_end_fini(void) { __kmp_internal_end_atexit(); } | |||||||
5729 | ||||||||
5730 | #endif | |||||||
5731 | ||||||||
5732 | /* [Windows] josh: when the atexit handler is called, there may still be more | |||||||
5733 | than one thread alive */ | |||||||
5734 | void __kmp_internal_end_atexit(void) { | |||||||
5735 | KA_TRACE(30, ("__kmp_internal_end_atexit\n"))if (kmp_a_debug >= 30) { __kmp_debug_printf ("__kmp_internal_end_atexit\n" ); }; | |||||||
5736 | /* [Windows] | |||||||
5737 | josh: ideally, we want to completely shutdown the library in this atexit | |||||||
5738 | handler, but stat code that depends on thread specific data for gtid fails | |||||||
5739 | because that data becomes unavailable at some point during the shutdown, so | |||||||
5740 | we call __kmp_internal_end_thread instead. We should eventually remove the | |||||||
5741 | dependency on __kmp_get_specific_gtid in the stat code and use | |||||||
5742 | __kmp_internal_end_library to cleanly shutdown the library. | |||||||
5743 | ||||||||
5744 | // TODO: Can some of this comment about GVS be removed? | |||||||
5745 | I suspect that the offending stat code is executed when the calling thread | |||||||
5746 | tries to clean up a dead root thread's data structures, resulting in GVS | |||||||
5747 | code trying to close the GVS structures for that thread, but since the stat | |||||||
5748 | code uses __kmp_get_specific_gtid to get the gtid with the assumption that | |||||||
5749 | the calling thread is cleaning up itself instead of another thread, it get | |||||||
5750 | confused. This happens because allowing a thread to unregister and cleanup | |||||||
5751 | another thread is a recent modification for addressing an issue. | |||||||
5752 | Based on the current design (20050722), a thread may end up | |||||||
5753 | trying to unregister another thread only if thread death does not trigger | |||||||
5754 | the calling of __kmp_internal_end_thread. For Linux* OS, there is the | |||||||
5755 | thread specific data destructor function to detect thread death. For | |||||||
5756 | Windows dynamic, there is DllMain(THREAD_DETACH). For Windows static, there | |||||||
5757 | is nothing. Thus, the workaround is applicable only for Windows static | |||||||
5758 | stat library. */ | |||||||
5759 | __kmp_internal_end_library(-1); | |||||||
5760 | #if KMP_OS_WINDOWS0 | |||||||
5761 | __kmp_close_console(); | |||||||
5762 | #endif | |||||||
5763 | } | |||||||
5764 | ||||||||
5765 | static void __kmp_reap_thread(kmp_info_t *thread, int is_root) { | |||||||
5766 | // It is assumed __kmp_forkjoin_lock is acquired. | |||||||
5767 | ||||||||
5768 | int gtid; | |||||||
5769 | ||||||||
5770 | KMP_DEBUG_ASSERT(thread != NULL)((thread != __null) ? 0 : __kmp_debug_assert("thread != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5770)); | |||||||
5771 | ||||||||
5772 | gtid = thread->th.th_info.ds.ds_gtid; | |||||||
5773 | ||||||||
5774 | if (!is_root) { | |||||||
5775 | ||||||||
5776 | if (__kmp_dflt_blocktime != KMP_MAX_BLOCKTIME(2147483647)) { | |||||||
5777 | /* Assume the threads are at the fork barrier here */ | |||||||
5778 | KA_TRACE(if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_reap_thread: releasing T#%d from fork barrier for reap\n" , gtid); } | |||||||
5779 | 20, ("__kmp_reap_thread: releasing T#%d from fork barrier for reap\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_reap_thread: releasing T#%d from fork barrier for reap\n" , gtid); } | |||||||
5780 | gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_reap_thread: releasing T#%d from fork barrier for reap\n" , gtid); }; | |||||||
5781 | /* Need release fence here to prevent seg faults for tree forkjoin barrier | |||||||
5782 | * (GEH) */ | |||||||
5783 | ANNOTATE_HAPPENS_BEFORE(thread); | |||||||
5784 | kmp_flag_64 flag(&thread->th.th_bar[bs_forkjoin_barrier].bb.b_go, thread); | |||||||
5785 | __kmp_release_64(&flag); | |||||||
5786 | } | |||||||
5787 | ||||||||
5788 | // Terminate OS thread. | |||||||
5789 | __kmp_reap_worker(thread); | |||||||
5790 | ||||||||
5791 | // The thread was killed asynchronously. If it was actively | |||||||
5792 | // spinning in the thread pool, decrement the global count. | |||||||
5793 | // | |||||||
5794 | // There is a small timing hole here - if the worker thread was just waking | |||||||
5795 | // up after sleeping in the pool, had reset it's th_active_in_pool flag but | |||||||
5796 | // not decremented the global counter __kmp_thread_pool_active_nth yet, then | |||||||
5797 | // the global counter might not get updated. | |||||||
5798 | // | |||||||
5799 | // Currently, this can only happen as the library is unloaded, | |||||||
5800 | // so there are no harmful side effects. | |||||||
5801 | if (thread->th.th_active_in_pool) { | |||||||
5802 | thread->th.th_active_in_pool = FALSE0; | |||||||
5803 | KMP_ATOMIC_DEC(&__kmp_thread_pool_active_nth)(&__kmp_thread_pool_active_nth)->fetch_sub(1, std::memory_order_acq_rel ); | |||||||
5804 | KMP_DEBUG_ASSERT(__kmp_thread_pool_active_nth >= 0)((__kmp_thread_pool_active_nth >= 0) ? 0 : __kmp_debug_assert ("__kmp_thread_pool_active_nth >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5804)); | |||||||
5805 | } | |||||||
5806 | ||||||||
5807 | // Decrement # of [worker] threads in the pool. | |||||||
5808 | KMP_DEBUG_ASSERT(__kmp_thread_pool_nth > 0)((__kmp_thread_pool_nth > 0) ? 0 : __kmp_debug_assert("__kmp_thread_pool_nth > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5808)); | |||||||
5809 | --__kmp_thread_pool_nth; | |||||||
5810 | } | |||||||
5811 | ||||||||
5812 | __kmp_free_implicit_task(thread); | |||||||
5813 | ||||||||
5814 | // Free the fast memory for tasking | |||||||
5815 | #if USE_FAST_MEMORY3 | |||||||
5816 | __kmp_free_fast_memory(thread); | |||||||
5817 | #endif /* USE_FAST_MEMORY */ | |||||||
5818 | ||||||||
5819 | __kmp_suspend_uninitialize_thread(thread); | |||||||
5820 | ||||||||
5821 | KMP_DEBUG_ASSERT(__kmp_threads[gtid] == thread)((__kmp_threads[gtid] == thread) ? 0 : __kmp_debug_assert("__kmp_threads[gtid] == thread" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5821)); | |||||||
5822 | TCW_SYNC_PTR(__kmp_threads[gtid], NULL)((__kmp_threads[gtid])) = ((__null)); | |||||||
5823 | ||||||||
5824 | --__kmp_all_nth; | |||||||
5825 | // __kmp_nth was decremented when thread is added to the pool. | |||||||
5826 | ||||||||
5827 | #ifdef KMP_ADJUST_BLOCKTIME1 | |||||||
5828 | /* Adjust blocktime back to user setting or default if necessary */ | |||||||
5829 | /* Middle initialization might never have occurred */ | |||||||
5830 | if (!__kmp_env_blocktime && (__kmp_avail_proc > 0)) { | |||||||
5831 | KMP_DEBUG_ASSERT(__kmp_avail_proc > 0)((__kmp_avail_proc > 0) ? 0 : __kmp_debug_assert("__kmp_avail_proc > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5831)); | |||||||
5832 | if (__kmp_nth <= __kmp_avail_proc) { | |||||||
5833 | __kmp_zero_bt = FALSE0; | |||||||
5834 | } | |||||||
5835 | } | |||||||
5836 | #endif /* KMP_ADJUST_BLOCKTIME */ | |||||||
5837 | ||||||||
5838 | /* free the memory being used */ | |||||||
5839 | if (__kmp_env_consistency_check) { | |||||||
5840 | if (thread->th.th_cons) { | |||||||
5841 | __kmp_free_cons_stack(thread->th.th_cons); | |||||||
5842 | thread->th.th_cons = NULL__null; | |||||||
5843 | } | |||||||
5844 | } | |||||||
5845 | ||||||||
5846 | if (thread->th.th_pri_common != NULL__null) { | |||||||
5847 | __kmp_free(thread->th.th_pri_common)___kmp_free((thread->th.th_pri_common), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5847); | |||||||
5848 | thread->th.th_pri_common = NULL__null; | |||||||
5849 | } | |||||||
5850 | ||||||||
5851 | if (thread->th.th_task_state_memo_stack != NULL__null) { | |||||||
5852 | __kmp_free(thread->th.th_task_state_memo_stack)___kmp_free((thread->th.th_task_state_memo_stack), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5852); | |||||||
5853 | thread->th.th_task_state_memo_stack = NULL__null; | |||||||
5854 | } | |||||||
5855 | ||||||||
5856 | #if KMP_USE_BGET1 | |||||||
5857 | if (thread->th.th_local.bget_data != NULL__null) { | |||||||
5858 | __kmp_finalize_bget(thread); | |||||||
5859 | } | |||||||
5860 | #endif | |||||||
5861 | ||||||||
5862 | #if KMP_AFFINITY_SUPPORTED1 | |||||||
5863 | if (thread->th.th_affin_mask != NULL__null) { | |||||||
5864 | KMP_CPU_FREE(thread->th.th_affin_mask)__kmp_affinity_dispatch->deallocate_mask(thread->th.th_affin_mask ); | |||||||
5865 | thread->th.th_affin_mask = NULL__null; | |||||||
5866 | } | |||||||
5867 | #endif /* KMP_AFFINITY_SUPPORTED */ | |||||||
5868 | ||||||||
5869 | #if KMP_USE_HIER_SCHED0 | |||||||
5870 | if (thread->th.th_hier_bar_data != NULL__null) { | |||||||
5871 | __kmp_free(thread->th.th_hier_bar_data)___kmp_free((thread->th.th_hier_bar_data), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5871); | |||||||
5872 | thread->th.th_hier_bar_data = NULL__null; | |||||||
5873 | } | |||||||
5874 | #endif | |||||||
5875 | ||||||||
5876 | __kmp_reap_team(thread->th.th_serial_team); | |||||||
5877 | thread->th.th_serial_team = NULL__null; | |||||||
5878 | __kmp_free(thread)___kmp_free((thread), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5878); | |||||||
5879 | ||||||||
5880 | KMP_MB(); | |||||||
5881 | ||||||||
5882 | } // __kmp_reap_thread | |||||||
5883 | ||||||||
5884 | static void __kmp_internal_end(void) { | |||||||
5885 | int i; | |||||||
5886 | ||||||||
5887 | /* First, unregister the library */ | |||||||
5888 | __kmp_unregister_library(); | |||||||
5889 | ||||||||
5890 | #if KMP_OS_WINDOWS0 | |||||||
5891 | /* In Win static library, we can't tell when a root actually dies, so we | |||||||
5892 | reclaim the data structures for any root threads that have died but not | |||||||
5893 | unregistered themselves, in order to shut down cleanly. | |||||||
5894 | In Win dynamic library we also can't tell when a thread dies. */ | |||||||
5895 | __kmp_reclaim_dead_roots(); // AC: moved here to always clean resources of | |||||||
5896 | // dead roots | |||||||
5897 | #endif | |||||||
5898 | ||||||||
5899 | for (i = 0; i < __kmp_threads_capacity; i++) | |||||||
5900 | if (__kmp_root[i]) | |||||||
5901 | if (__kmp_root[i]->r.r_active) | |||||||
5902 | break; | |||||||
5903 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
5904 | TCW_SYNC_4(__kmp_global.g.g_done, TRUE)(__kmp_global.g.g_done) = ((!0)); | |||||||
5905 | ||||||||
5906 | if (i < __kmp_threads_capacity) { | |||||||
5907 | #if KMP_USE_MONITOR | |||||||
5908 | // 2009-09-08 (lev): Other alive roots found. Why do we kill the monitor?? | |||||||
5909 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
5910 | ||||||||
5911 | // Need to check that monitor was initialized before reaping it. If we are | |||||||
5912 | // called form __kmp_atfork_child (which sets __kmp_init_parallel = 0), then | |||||||
5913 | // __kmp_monitor will appear to contain valid data, but it is only valid in | |||||||
5914 | // the parent process, not the child. | |||||||
5915 | // New behavior (201008): instead of keying off of the flag | |||||||
5916 | // __kmp_init_parallel, the monitor thread creation is keyed off | |||||||
5917 | // of the new flag __kmp_init_monitor. | |||||||
5918 | __kmp_acquire_bootstrap_lock(&__kmp_monitor_lock); | |||||||
5919 | if (TCR_4(__kmp_init_monitor)(__kmp_init_monitor)) { | |||||||
5920 | __kmp_reap_monitor(&__kmp_monitor); | |||||||
5921 | TCW_4(__kmp_init_monitor, 0)(__kmp_init_monitor) = (0); | |||||||
5922 | } | |||||||
5923 | __kmp_release_bootstrap_lock(&__kmp_monitor_lock); | |||||||
5924 | KA_TRACE(10, ("__kmp_internal_end: monitor reaped\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end: monitor reaped\n" ); }; | |||||||
5925 | #endif // KMP_USE_MONITOR | |||||||
5926 | } else { | |||||||
5927 | /* TODO move this to cleanup code */ | |||||||
5928 | #ifdef KMP_DEBUG1 | |||||||
5929 | /* make sure that everything has properly ended */ | |||||||
5930 | for (i = 0; i < __kmp_threads_capacity; i++) { | |||||||
5931 | if (__kmp_root[i]) { | |||||||
5932 | // KMP_ASSERT( ! KMP_UBER_GTID( i ) ); // AC: | |||||||
5933 | // there can be uber threads alive here | |||||||
5934 | KMP_ASSERT(!__kmp_root[i]->r.r_active)((!__kmp_root[i]->r.r_active) ? 0 : __kmp_debug_assert("!__kmp_root[i]->r.r_active" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5934)); // TODO: can they be active? | |||||||
5935 | } | |||||||
5936 | } | |||||||
5937 | #endif | |||||||
5938 | ||||||||
5939 | KMP_MB(); | |||||||
5940 | ||||||||
5941 | // Reap the worker threads. | |||||||
5942 | // This is valid for now, but be careful if threads are reaped sooner. | |||||||
5943 | while (__kmp_thread_pool != NULL__null) { // Loop thru all the thread in the pool. | |||||||
5944 | // Get the next thread from the pool. | |||||||
5945 | kmp_info_t *thread = CCAST(kmp_info_t *, __kmp_thread_pool)const_cast<kmp_info_t *>(__kmp_thread_pool); | |||||||
5946 | __kmp_thread_pool = thread->th.th_next_pool; | |||||||
5947 | // Reap it. | |||||||
5948 | KMP_DEBUG_ASSERT(thread->th.th_reap_state == KMP_SAFE_TO_REAP)((thread->th.th_reap_state == 1) ? 0 : __kmp_debug_assert( "thread->th.th_reap_state == 1", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 5948)); | |||||||
5949 | thread->th.th_next_pool = NULL__null; | |||||||
5950 | thread->th.th_in_pool = FALSE0; | |||||||
5951 | __kmp_reap_thread(thread, 0); | |||||||
5952 | } | |||||||
5953 | __kmp_thread_pool_insert_pt = NULL__null; | |||||||
5954 | ||||||||
5955 | // Reap teams. | |||||||
5956 | while (__kmp_team_pool != NULL__null) { // Loop thru all the teams in the pool. | |||||||
5957 | // Get the next team from the pool. | |||||||
5958 | kmp_team_t *team = CCAST(kmp_team_t *, __kmp_team_pool)const_cast<kmp_team_t *>(__kmp_team_pool); | |||||||
5959 | __kmp_team_pool = team->t.t_next_pool; | |||||||
5960 | // Reap it. | |||||||
5961 | team->t.t_next_pool = NULL__null; | |||||||
5962 | __kmp_reap_team(team); | |||||||
5963 | } | |||||||
5964 | ||||||||
5965 | __kmp_reap_task_teams(); | |||||||
5966 | ||||||||
5967 | #if KMP_OS_UNIX1 | |||||||
5968 | // Threads that are not reaped should not access any resources since they | |||||||
5969 | // are going to be deallocated soon, so the shutdown sequence should wait | |||||||
5970 | // until all threads either exit the final spin-waiting loop or begin | |||||||
5971 | // sleeping after the given blocktime. | |||||||
5972 | for (i = 0; i < __kmp_threads_capacity; i++) { | |||||||
5973 | kmp_info_t *thr = __kmp_threads[i]; | |||||||
5974 | while (thr && KMP_ATOMIC_LD_ACQ(&thr->th.th_blocking)(&thr->th.th_blocking)->load(std::memory_order_acquire )) | |||||||
5975 | KMP_CPU_PAUSE()__kmp_x86_pause(); | |||||||
5976 | } | |||||||
5977 | #endif | |||||||
5978 | ||||||||
5979 | for (i = 0; i < __kmp_threads_capacity; ++i) { | |||||||
5980 | // TBD: Add some checking... | |||||||
5981 | // Something like KMP_DEBUG_ASSERT( __kmp_thread[ i ] == NULL ); | |||||||
5982 | } | |||||||
5983 | ||||||||
5984 | /* Make sure all threadprivate destructors get run by joining with all | |||||||
5985 | worker threads before resetting this flag */ | |||||||
5986 | TCW_SYNC_4(__kmp_init_common, FALSE)(__kmp_init_common) = (0); | |||||||
5987 | ||||||||
5988 | KA_TRACE(10, ("__kmp_internal_end: all workers reaped\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end: all workers reaped\n" ); }; | |||||||
5989 | KMP_MB(); | |||||||
5990 | ||||||||
5991 | #if KMP_USE_MONITOR | |||||||
5992 | // See note above: One of the possible fixes for CQ138434 / CQ140126 | |||||||
5993 | // | |||||||
5994 | // FIXME: push both code fragments down and CSE them? | |||||||
5995 | // push them into __kmp_cleanup() ? | |||||||
5996 | __kmp_acquire_bootstrap_lock(&__kmp_monitor_lock); | |||||||
5997 | if (TCR_4(__kmp_init_monitor)(__kmp_init_monitor)) { | |||||||
5998 | __kmp_reap_monitor(&__kmp_monitor); | |||||||
5999 | TCW_4(__kmp_init_monitor, 0)(__kmp_init_monitor) = (0); | |||||||
6000 | } | |||||||
6001 | __kmp_release_bootstrap_lock(&__kmp_monitor_lock); | |||||||
6002 | KA_TRACE(10, ("__kmp_internal_end: monitor reaped\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end: monitor reaped\n" ); }; | |||||||
6003 | #endif | |||||||
6004 | } /* else !__kmp_global.t_active */ | |||||||
6005 | TCW_4(__kmp_init_gtid, FALSE)(__kmp_init_gtid) = (0); | |||||||
6006 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
6007 | ||||||||
6008 | __kmp_cleanup(); | |||||||
6009 | #if OMPT_SUPPORT1 | |||||||
6010 | ompt_fini(); | |||||||
6011 | #endif | |||||||
6012 | } | |||||||
6013 | ||||||||
6014 | void __kmp_internal_end_library(int gtid_req) { | |||||||
6015 | /* if we have already cleaned up, don't try again, it wouldn't be pretty */ | |||||||
6016 | /* this shouldn't be a race condition because __kmp_internal_end() is the | |||||||
6017 | only place to clear __kmp_serial_init */ | |||||||
6018 | /* we'll check this later too, after we get the lock */ | |||||||
6019 | // 2009-09-06: We do not set g_abort without setting g_done. This check looks | |||||||
6020 | // redundaant, because the next check will work in any case. | |||||||
6021 | if (__kmp_global.g.g_abort) { | |||||||
6022 | KA_TRACE(11, ("__kmp_internal_end_library: abort, exiting\n"))if (kmp_a_debug >= 11) { __kmp_debug_printf ("__kmp_internal_end_library: abort, exiting\n" ); }; | |||||||
6023 | /* TODO abort? */ | |||||||
6024 | return; | |||||||
6025 | } | |||||||
6026 | if (TCR_4(__kmp_global.g.g_done)(__kmp_global.g.g_done) || !__kmp_init_serial) { | |||||||
6027 | KA_TRACE(10, ("__kmp_internal_end_library: already finished\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: already finished\n" ); }; | |||||||
6028 | return; | |||||||
6029 | } | |||||||
6030 | ||||||||
6031 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
6032 | ||||||||
6033 | /* find out who we are and what we should do */ | |||||||
6034 | { | |||||||
6035 | int gtid = (gtid_req >= 0) ? gtid_req : __kmp_gtid_get_specific(); | |||||||
6036 | KA_TRACE(if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: enter T#%d (%d)\n" , gtid, gtid_req); } | |||||||
6037 | 10, ("__kmp_internal_end_library: enter T#%d (%d)\n", gtid, gtid_req))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: enter T#%d (%d)\n" , gtid, gtid_req); }; | |||||||
6038 | if (gtid == KMP_GTID_SHUTDOWN(-3)) { | |||||||
6039 | KA_TRACE(10, ("__kmp_internal_end_library: !__kmp_init_runtime, system "if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: !__kmp_init_runtime, system " "already shutdown\n"); } | |||||||
6040 | "already shutdown\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: !__kmp_init_runtime, system " "already shutdown\n"); }; | |||||||
6041 | return; | |||||||
6042 | } else if (gtid == KMP_GTID_MONITOR(-4)) { | |||||||
6043 | KA_TRACE(10, ("__kmp_internal_end_library: monitor thread, gtid not "if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: monitor thread, gtid not " "registered, or system shutdown\n"); } | |||||||
6044 | "registered, or system shutdown\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: monitor thread, gtid not " "registered, or system shutdown\n"); }; | |||||||
6045 | return; | |||||||
6046 | } else if (gtid == KMP_GTID_DNE(-2)) { | |||||||
6047 | KA_TRACE(10, ("__kmp_internal_end_library: gtid not registered or system "if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: gtid not registered or system " "shutdown\n"); } | |||||||
6048 | "shutdown\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: gtid not registered or system " "shutdown\n"); }; | |||||||
6049 | /* we don't know who we are, but we may still shutdown the library */ | |||||||
6050 | } else if (KMP_UBER_GTID(gtid)((((gtid) >= (-6)) ? 0 : __kmp_debug_assert("(gtid) >= (-6)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6050)), (((gtid) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(gtid) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6050)), (gtid) >= 0 && __kmp_root[(gtid)] && __kmp_threads[(gtid)] && (__kmp_threads[(gtid)] == __kmp_root [(gtid)]->r.r_uber_thread))) { | |||||||
6051 | /* unregister ourselves as an uber thread. gtid is no longer valid */ | |||||||
6052 | if (__kmp_root[gtid]->r.r_active) { | |||||||
6053 | __kmp_global.g.g_abort = -1; | |||||||
6054 | TCW_SYNC_4(__kmp_global.g.g_done, TRUE)(__kmp_global.g.g_done) = ((!0)); | |||||||
6055 | KA_TRACE(10,if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: root still active, abort T#%d\n" , gtid); } | |||||||
6056 | ("__kmp_internal_end_library: root still active, abort T#%d\n",if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: root still active, abort T#%d\n" , gtid); } | |||||||
6057 | gtid))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: root still active, abort T#%d\n" , gtid); }; | |||||||
6058 | return; | |||||||
6059 | } else { | |||||||
6060 | KA_TRACE(if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: unregistering sibling T#%d\n" , gtid); } | |||||||
6061 | 10,if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: unregistering sibling T#%d\n" , gtid); } | |||||||
6062 | ("__kmp_internal_end_library: unregistering sibling T#%d\n", gtid))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: unregistering sibling T#%d\n" , gtid); }; | |||||||
6063 | __kmp_unregister_root_current_thread(gtid); | |||||||
6064 | } | |||||||
6065 | } else { | |||||||
6066 | /* worker threads may call this function through the atexit handler, if they | |||||||
6067 | * call exit() */ | |||||||
6068 | /* For now, skip the usual subsequent processing and just dump the debug buffer. | |||||||
6069 | TODO: do a thorough shutdown instead */ | |||||||
6070 | #ifdef DUMP_DEBUG_ON_EXIT | |||||||
6071 | if (__kmp_debug_buf) | |||||||
6072 | __kmp_dump_debug_buffer(); | |||||||
6073 | #endif | |||||||
6074 | return; | |||||||
6075 | } | |||||||
6076 | } | |||||||
6077 | /* synchronize the termination process */ | |||||||
6078 | __kmp_acquire_bootstrap_lock(&__kmp_initz_lock); | |||||||
6079 | ||||||||
6080 | /* have we already finished */ | |||||||
6081 | if (__kmp_global.g.g_abort) { | |||||||
6082 | KA_TRACE(10, ("__kmp_internal_end_library: abort, exiting\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: abort, exiting\n" ); }; | |||||||
6083 | /* TODO abort? */ | |||||||
6084 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6085 | return; | |||||||
6086 | } | |||||||
6087 | if (TCR_4(__kmp_global.g.g_done)(__kmp_global.g.g_done) || !__kmp_init_serial) { | |||||||
6088 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6089 | return; | |||||||
6090 | } | |||||||
6091 | ||||||||
6092 | /* We need this lock to enforce mutex between this reading of | |||||||
6093 | __kmp_threads_capacity and the writing by __kmp_register_root. | |||||||
6094 | Alternatively, we can use a counter of roots that is atomically updated by | |||||||
6095 | __kmp_get_global_thread_id_reg, __kmp_do_serial_initialize and | |||||||
6096 | __kmp_internal_end_*. */ | |||||||
6097 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
6098 | ||||||||
6099 | /* now we can safely conduct the actual termination */ | |||||||
6100 | __kmp_internal_end(); | |||||||
6101 | ||||||||
6102 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
6103 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6104 | ||||||||
6105 | KA_TRACE(10, ("__kmp_internal_end_library: exit\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_library: exit\n" ); }; | |||||||
6106 | ||||||||
6107 | #ifdef DUMP_DEBUG_ON_EXIT | |||||||
6108 | if (__kmp_debug_buf) | |||||||
6109 | __kmp_dump_debug_buffer(); | |||||||
6110 | #endif | |||||||
6111 | ||||||||
6112 | #if KMP_OS_WINDOWS0 | |||||||
6113 | __kmp_close_console(); | |||||||
6114 | #endif | |||||||
6115 | ||||||||
6116 | __kmp_fini_allocator(); | |||||||
6117 | ||||||||
6118 | } // __kmp_internal_end_library | |||||||
6119 | ||||||||
6120 | void __kmp_internal_end_thread(int gtid_req) { | |||||||
6121 | int i; | |||||||
6122 | ||||||||
6123 | /* if we have already cleaned up, don't try again, it wouldn't be pretty */ | |||||||
6124 | /* this shouldn't be a race condition because __kmp_internal_end() is the | |||||||
6125 | * only place to clear __kmp_serial_init */ | |||||||
6126 | /* we'll check this later too, after we get the lock */ | |||||||
6127 | // 2009-09-06: We do not set g_abort without setting g_done. This check looks | |||||||
6128 | // redundant, because the next check will work in any case. | |||||||
6129 | if (__kmp_global.g.g_abort) { | |||||||
6130 | KA_TRACE(11, ("__kmp_internal_end_thread: abort, exiting\n"))if (kmp_a_debug >= 11) { __kmp_debug_printf ("__kmp_internal_end_thread: abort, exiting\n" ); }; | |||||||
6131 | /* TODO abort? */ | |||||||
6132 | return; | |||||||
6133 | } | |||||||
6134 | if (TCR_4(__kmp_global.g.g_done)(__kmp_global.g.g_done) || !__kmp_init_serial) { | |||||||
6135 | KA_TRACE(10, ("__kmp_internal_end_thread: already finished\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: already finished\n" ); }; | |||||||
6136 | return; | |||||||
6137 | } | |||||||
6138 | ||||||||
6139 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
6140 | ||||||||
6141 | /* find out who we are and what we should do */ | |||||||
6142 | { | |||||||
6143 | int gtid = (gtid_req >= 0) ? gtid_req : __kmp_gtid_get_specific(); | |||||||
6144 | KA_TRACE(10,if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: enter T#%d (%d)\n" , gtid, gtid_req); } | |||||||
6145 | ("__kmp_internal_end_thread: enter T#%d (%d)\n", gtid, gtid_req))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: enter T#%d (%d)\n" , gtid, gtid_req); }; | |||||||
6146 | if (gtid == KMP_GTID_SHUTDOWN(-3)) { | |||||||
6147 | KA_TRACE(10, ("__kmp_internal_end_thread: !__kmp_init_runtime, system "if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: !__kmp_init_runtime, system " "already shutdown\n"); } | |||||||
6148 | "already shutdown\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: !__kmp_init_runtime, system " "already shutdown\n"); }; | |||||||
6149 | return; | |||||||
6150 | } else if (gtid == KMP_GTID_MONITOR(-4)) { | |||||||
6151 | KA_TRACE(10, ("__kmp_internal_end_thread: monitor thread, gtid not "if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: monitor thread, gtid not " "registered, or system shutdown\n"); } | |||||||
6152 | "registered, or system shutdown\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: monitor thread, gtid not " "registered, or system shutdown\n"); }; | |||||||
6153 | return; | |||||||
6154 | } else if (gtid == KMP_GTID_DNE(-2)) { | |||||||
6155 | KA_TRACE(10, ("__kmp_internal_end_thread: gtid not registered or system "if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: gtid not registered or system " "shutdown\n"); } | |||||||
6156 | "shutdown\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: gtid not registered or system " "shutdown\n"); }; | |||||||
6157 | return; | |||||||
6158 | /* we don't know who we are */ | |||||||
6159 | } else if (KMP_UBER_GTID(gtid)((((gtid) >= (-6)) ? 0 : __kmp_debug_assert("(gtid) >= (-6)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6159)), (((gtid) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(gtid) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6159)), (gtid) >= 0 && __kmp_root[(gtid)] && __kmp_threads[(gtid)] && (__kmp_threads[(gtid)] == __kmp_root [(gtid)]->r.r_uber_thread))) { | |||||||
6160 | /* unregister ourselves as an uber thread. gtid is no longer valid */ | |||||||
6161 | if (__kmp_root[gtid]->r.r_active) { | |||||||
6162 | __kmp_global.g.g_abort = -1; | |||||||
6163 | TCW_SYNC_4(__kmp_global.g.g_done, TRUE)(__kmp_global.g.g_done) = ((!0)); | |||||||
6164 | KA_TRACE(10,if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: root still active, abort T#%d\n" , gtid); } | |||||||
6165 | ("__kmp_internal_end_thread: root still active, abort T#%d\n",if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: root still active, abort T#%d\n" , gtid); } | |||||||
6166 | gtid))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: root still active, abort T#%d\n" , gtid); }; | |||||||
6167 | return; | |||||||
6168 | } else { | |||||||
6169 | KA_TRACE(10, ("__kmp_internal_end_thread: unregistering sibling T#%d\n",if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: unregistering sibling T#%d\n" , gtid); } | |||||||
6170 | gtid))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: unregistering sibling T#%d\n" , gtid); }; | |||||||
6171 | __kmp_unregister_root_current_thread(gtid); | |||||||
6172 | } | |||||||
6173 | } else { | |||||||
6174 | /* just a worker thread, let's leave */ | |||||||
6175 | KA_TRACE(10, ("__kmp_internal_end_thread: worker thread T#%d\n", gtid))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: worker thread T#%d\n" , gtid); }; | |||||||
6176 | ||||||||
6177 | if (gtid >= 0) { | |||||||
6178 | __kmp_threads[gtid]->th.th_task_team = NULL__null; | |||||||
6179 | } | |||||||
6180 | ||||||||
6181 | KA_TRACE(10,if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: worker thread done, exiting T#%d\n" , gtid); } | |||||||
6182 | ("__kmp_internal_end_thread: worker thread done, exiting T#%d\n",if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: worker thread done, exiting T#%d\n" , gtid); } | |||||||
6183 | gtid))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: worker thread done, exiting T#%d\n" , gtid); }; | |||||||
6184 | return; | |||||||
6185 | } | |||||||
6186 | } | |||||||
6187 | #if defined KMP_DYNAMIC_LIB1 | |||||||
6188 | // AC: lets not shutdown the Linux* OS dynamic library at the exit of uber | |||||||
6189 | // thread, because we will better shutdown later in the library destructor. | |||||||
6190 | // The reason of this change is performance problem when non-openmp thread in | |||||||
6191 | // a loop forks and joins many openmp threads. We can save a lot of time | |||||||
6192 | // keeping worker threads alive until the program shutdown. | |||||||
6193 | // OM: Removed Linux* OS restriction to fix the crash on OS X* (DPD200239966) | |||||||
6194 | // and Windows(DPD200287443) that occurs when using critical sections from | |||||||
6195 | // foreign threads. | |||||||
6196 | KA_TRACE(10, ("__kmp_internal_end_thread: exiting T#%d\n", gtid_req))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: exiting T#%d\n" , gtid_req); }; | |||||||
6197 | return; | |||||||
6198 | #endif | |||||||
6199 | /* synchronize the termination process */ | |||||||
6200 | __kmp_acquire_bootstrap_lock(&__kmp_initz_lock); | |||||||
6201 | ||||||||
6202 | /* have we already finished */ | |||||||
6203 | if (__kmp_global.g.g_abort) { | |||||||
6204 | KA_TRACE(10, ("__kmp_internal_end_thread: abort, exiting\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: abort, exiting\n" ); }; | |||||||
6205 | /* TODO abort? */ | |||||||
6206 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6207 | return; | |||||||
6208 | } | |||||||
6209 | if (TCR_4(__kmp_global.g.g_done)(__kmp_global.g.g_done) || !__kmp_init_serial) { | |||||||
6210 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6211 | return; | |||||||
6212 | } | |||||||
6213 | ||||||||
6214 | /* We need this lock to enforce mutex between this reading of | |||||||
6215 | __kmp_threads_capacity and the writing by __kmp_register_root. | |||||||
6216 | Alternatively, we can use a counter of roots that is atomically updated by | |||||||
6217 | __kmp_get_global_thread_id_reg, __kmp_do_serial_initialize and | |||||||
6218 | __kmp_internal_end_*. */ | |||||||
6219 | ||||||||
6220 | /* should we finish the run-time? are all siblings done? */ | |||||||
6221 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
6222 | ||||||||
6223 | for (i = 0; i < __kmp_threads_capacity; ++i) { | |||||||
6224 | if (KMP_UBER_GTID(i)((((i) >= (-6)) ? 0 : __kmp_debug_assert("(i) >= (-6)", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6224)), (((i) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(i) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6224)), (i) >= 0 && __kmp_root[(i)] && __kmp_threads [(i)] && (__kmp_threads[(i)] == __kmp_root[(i)]->r .r_uber_thread))) { | |||||||
6225 | KA_TRACE(if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: remaining sibling task: gtid==%d\n" , i); } | |||||||
6226 | 10,if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: remaining sibling task: gtid==%d\n" , i); } | |||||||
6227 | ("__kmp_internal_end_thread: remaining sibling task: gtid==%d\n", i))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: remaining sibling task: gtid==%d\n" , i); }; | |||||||
6228 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
6229 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6230 | return; | |||||||
6231 | } | |||||||
6232 | } | |||||||
6233 | ||||||||
6234 | /* now we can safely conduct the actual termination */ | |||||||
6235 | ||||||||
6236 | __kmp_internal_end(); | |||||||
6237 | ||||||||
6238 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
6239 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6240 | ||||||||
6241 | KA_TRACE(10, ("__kmp_internal_end_thread: exit T#%d\n", gtid_req))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_internal_end_thread: exit T#%d\n" , gtid_req); }; | |||||||
6242 | ||||||||
6243 | #ifdef DUMP_DEBUG_ON_EXIT | |||||||
6244 | if (__kmp_debug_buf) | |||||||
6245 | __kmp_dump_debug_buffer(); | |||||||
6246 | #endif | |||||||
6247 | } // __kmp_internal_end_thread | |||||||
6248 | ||||||||
6249 | // ----------------------------------------------------------------------------- | |||||||
6250 | // Library registration stuff. | |||||||
6251 | ||||||||
6252 | static long __kmp_registration_flag = 0; | |||||||
6253 | // Random value used to indicate library initialization. | |||||||
6254 | static char *__kmp_registration_str = NULL__null; | |||||||
6255 | // Value to be saved in env var __KMP_REGISTERED_LIB_<pid>. | |||||||
6256 | ||||||||
6257 | static inline char *__kmp_reg_status_name() { | |||||||
6258 | /* On RHEL 3u5 if linked statically, getpid() returns different values in | |||||||
6259 | each thread. If registration and unregistration go in different threads | |||||||
6260 | (omp_misc_other_root_exit.cpp test case), the name of registered_lib_env | |||||||
6261 | env var can not be found, because the name will contain different pid. */ | |||||||
6262 | return __kmp_str_format("__KMP_REGISTERED_LIB_%d", (int)getpid()); | |||||||
6263 | } // __kmp_reg_status_get | |||||||
6264 | ||||||||
6265 | void __kmp_register_library_startup(void) { | |||||||
6266 | ||||||||
6267 | char *name = __kmp_reg_status_name(); // Name of the environment variable. | |||||||
6268 | int done = 0; | |||||||
6269 | union { | |||||||
6270 | double dtime; | |||||||
6271 | long ltime; | |||||||
6272 | } time; | |||||||
6273 | #if KMP_ARCH_X860 || KMP_ARCH_X86_641 | |||||||
6274 | __kmp_initialize_system_tick(); | |||||||
6275 | #endif | |||||||
6276 | __kmp_read_system_time(&time.dtime); | |||||||
6277 | __kmp_registration_flag = 0xCAFE0000L | (time.ltime & 0x0000FFFFL); | |||||||
6278 | __kmp_registration_str = | |||||||
6279 | __kmp_str_format("%p-%lx-%s", &__kmp_registration_flag, | |||||||
6280 | __kmp_registration_flag, KMP_LIBRARY_FILE"libomp.so.5"); | |||||||
6281 | ||||||||
6282 | KA_TRACE(50, ("__kmp_register_library_startup: %s=\"%s\"\n", name,if (kmp_a_debug >= 50) { __kmp_debug_printf ("__kmp_register_library_startup: %s=\"%s\"\n" , name, __kmp_registration_str); } | |||||||
6283 | __kmp_registration_str))if (kmp_a_debug >= 50) { __kmp_debug_printf ("__kmp_register_library_startup: %s=\"%s\"\n" , name, __kmp_registration_str); }; | |||||||
6284 | ||||||||
6285 | while (!done) { | |||||||
6286 | ||||||||
6287 | char *value = NULL__null; // Actual value of the environment variable. | |||||||
6288 | ||||||||
6289 | // Set environment variable, but do not overwrite if it is exist. | |||||||
6290 | __kmp_env_set(name, __kmp_registration_str, 0); | |||||||
6291 | // Check the variable is written. | |||||||
6292 | value = __kmp_env_get(name); | |||||||
6293 | if (value != NULL__null && strcmp(value, __kmp_registration_str) == 0) { | |||||||
6294 | ||||||||
6295 | done = 1; // Ok, environment variable set successfully, exit the loop. | |||||||
6296 | ||||||||
6297 | } else { | |||||||
6298 | ||||||||
6299 | // Oops. Write failed. Another copy of OpenMP RTL is in memory. | |||||||
6300 | // Check whether it alive or dead. | |||||||
6301 | int neighbor = 0; // 0 -- unknown status, 1 -- alive, 2 -- dead. | |||||||
6302 | char *tail = value; | |||||||
6303 | char *flag_addr_str = NULL__null; | |||||||
6304 | char *flag_val_str = NULL__null; | |||||||
6305 | char const *file_name = NULL__null; | |||||||
6306 | __kmp_str_split(tail, '-', &flag_addr_str, &tail); | |||||||
6307 | __kmp_str_split(tail, '-', &flag_val_str, &tail); | |||||||
6308 | file_name = tail; | |||||||
6309 | if (tail != NULL__null) { | |||||||
6310 | long *flag_addr = 0; | |||||||
6311 | long flag_val = 0; | |||||||
6312 | KMP_SSCANFsscanf(flag_addr_str, "%p", &flag_addr); | |||||||
6313 | KMP_SSCANFsscanf(flag_val_str, "%lx", &flag_val); | |||||||
6314 | if (flag_addr != 0 && flag_val != 0 && strcmp(file_name, "") != 0) { | |||||||
6315 | // First, check whether environment-encoded address is mapped into | |||||||
6316 | // addr space. | |||||||
6317 | // If so, dereference it to see if it still has the right value. | |||||||
6318 | if (__kmp_is_address_mapped(flag_addr) && *flag_addr == flag_val) { | |||||||
6319 | neighbor = 1; | |||||||
6320 | } else { | |||||||
6321 | // If not, then we know the other copy of the library is no longer | |||||||
6322 | // running. | |||||||
6323 | neighbor = 2; | |||||||
6324 | } | |||||||
6325 | } | |||||||
6326 | } | |||||||
6327 | switch (neighbor) { | |||||||
6328 | case 0: // Cannot parse environment variable -- neighbor status unknown. | |||||||
6329 | // Assume it is the incompatible format of future version of the | |||||||
6330 | // library. Assume the other library is alive. | |||||||
6331 | // WARN( ... ); // TODO: Issue a warning. | |||||||
6332 | file_name = "unknown library"; | |||||||
6333 | // Attention! Falling to the next case. That's intentional. | |||||||
6334 | case 1: { // Neighbor is alive. | |||||||
6335 | // Check it is allowed. | |||||||
6336 | char *duplicate_ok = __kmp_env_get("KMP_DUPLICATE_LIB_OK"); | |||||||
6337 | if (!__kmp_str_match_true(duplicate_ok)) { | |||||||
6338 | // That's not allowed. Issue fatal error. | |||||||
6339 | __kmp_fatal(KMP_MSG(DuplicateLibrary, KMP_LIBRARY_FILE, file_name)__kmp_msg_format(kmp_i18n_msg_DuplicateLibrary, "libomp.so.5" , file_name), | |||||||
6340 | KMP_HNT(DuplicateLibrary)__kmp_msg_format(kmp_i18n_hnt_DuplicateLibrary), __kmp_msg_null); | |||||||
6341 | } | |||||||
6342 | KMP_INTERNAL_FREE(duplicate_ok)free(duplicate_ok); | |||||||
6343 | __kmp_duplicate_library_ok = 1; | |||||||
6344 | done = 1; // Exit the loop. | |||||||
6345 | } break; | |||||||
6346 | case 2: { // Neighbor is dead. | |||||||
6347 | // Clear the variable and try to register library again. | |||||||
6348 | __kmp_env_unset(name); | |||||||
6349 | } break; | |||||||
6350 | default: { KMP_DEBUG_ASSERT(0)((0) ? 0 : __kmp_debug_assert("0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6350)); } break; | |||||||
6351 | } | |||||||
6352 | } | |||||||
6353 | KMP_INTERNAL_FREE((void *)value)free((void *)value); | |||||||
6354 | } | |||||||
6355 | KMP_INTERNAL_FREE((void *)name)free((void *)name); | |||||||
6356 | ||||||||
6357 | } // func __kmp_register_library_startup | |||||||
6358 | ||||||||
6359 | void __kmp_unregister_library(void) { | |||||||
6360 | ||||||||
6361 | char *name = __kmp_reg_status_name(); | |||||||
6362 | char *value = __kmp_env_get(name); | |||||||
6363 | ||||||||
6364 | KMP_DEBUG_ASSERT(__kmp_registration_flag != 0)((__kmp_registration_flag != 0) ? 0 : __kmp_debug_assert("__kmp_registration_flag != 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6364)); | |||||||
6365 | KMP_DEBUG_ASSERT(__kmp_registration_str != NULL)((__kmp_registration_str != __null) ? 0 : __kmp_debug_assert( "__kmp_registration_str != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6365)); | |||||||
6366 | if (value != NULL__null && strcmp(value, __kmp_registration_str) == 0) { | |||||||
6367 | // Ok, this is our variable. Delete it. | |||||||
6368 | __kmp_env_unset(name); | |||||||
6369 | } | |||||||
6370 | ||||||||
6371 | KMP_INTERNAL_FREE(__kmp_registration_str)free(__kmp_registration_str); | |||||||
6372 | KMP_INTERNAL_FREE(value)free(value); | |||||||
6373 | KMP_INTERNAL_FREE(name)free(name); | |||||||
6374 | ||||||||
6375 | __kmp_registration_flag = 0; | |||||||
6376 | __kmp_registration_str = NULL__null; | |||||||
6377 | ||||||||
6378 | } // __kmp_unregister_library | |||||||
6379 | ||||||||
6380 | // End of Library registration stuff. | |||||||
6381 | // ----------------------------------------------------------------------------- | |||||||
6382 | ||||||||
6383 | #if KMP_MIC_SUPPORTED((0 || 1) && (1 || 0)) | |||||||
6384 | ||||||||
6385 | static void __kmp_check_mic_type() { | |||||||
6386 | kmp_cpuid_t cpuid_state = {0}; | |||||||
6387 | kmp_cpuid_t *cs_p = &cpuid_state; | |||||||
6388 | __kmp_x86_cpuid(1, 0, cs_p); | |||||||
6389 | // We don't support mic1 at the moment | |||||||
6390 | if ((cs_p->eax & 0xff0) == 0xB10) { | |||||||
6391 | __kmp_mic_type = mic2; | |||||||
6392 | } else if ((cs_p->eax & 0xf0ff0) == 0x50670) { | |||||||
6393 | __kmp_mic_type = mic3; | |||||||
6394 | } else { | |||||||
6395 | __kmp_mic_type = non_mic; | |||||||
6396 | } | |||||||
6397 | } | |||||||
6398 | ||||||||
6399 | #endif /* KMP_MIC_SUPPORTED */ | |||||||
6400 | ||||||||
6401 | static void __kmp_do_serial_initialize(void) { | |||||||
6402 | int i, gtid; | |||||||
6403 | int size; | |||||||
6404 | ||||||||
6405 | KA_TRACE(10, ("__kmp_do_serial_initialize: enter\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_do_serial_initialize: enter\n" ); }; | |||||||
6406 | ||||||||
6407 | KMP_DEBUG_ASSERT(sizeof(kmp_int32) == 4)((sizeof(kmp_int32) == 4) ? 0 : __kmp_debug_assert("sizeof(kmp_int32) == 4" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6407)); | |||||||
6408 | KMP_DEBUG_ASSERT(sizeof(kmp_uint32) == 4)((sizeof(kmp_uint32) == 4) ? 0 : __kmp_debug_assert("sizeof(kmp_uint32) == 4" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6408)); | |||||||
6409 | KMP_DEBUG_ASSERT(sizeof(kmp_int64) == 8)((sizeof(kmp_int64) == 8) ? 0 : __kmp_debug_assert("sizeof(kmp_int64) == 8" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6409)); | |||||||
6410 | KMP_DEBUG_ASSERT(sizeof(kmp_uint64) == 8)((sizeof(kmp_uint64) == 8) ? 0 : __kmp_debug_assert("sizeof(kmp_uint64) == 8" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6410)); | |||||||
6411 | KMP_DEBUG_ASSERT(sizeof(kmp_intptr_t) == sizeof(void *))((sizeof(kmp_intptr_t) == sizeof(void *)) ? 0 : __kmp_debug_assert ("sizeof(kmp_intptr_t) == sizeof(void *)", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6411)); | |||||||
6412 | ||||||||
6413 | #if OMPT_SUPPORT1 | |||||||
6414 | ompt_pre_init(); | |||||||
6415 | #endif | |||||||
6416 | ||||||||
6417 | __kmp_validate_locks(); | |||||||
6418 | ||||||||
6419 | /* Initialize internal memory allocator */ | |||||||
6420 | __kmp_init_allocator(); | |||||||
6421 | ||||||||
6422 | /* Register the library startup via an environment variable and check to see | |||||||
6423 | whether another copy of the library is already registered. */ | |||||||
6424 | ||||||||
6425 | __kmp_register_library_startup(); | |||||||
6426 | ||||||||
6427 | /* TODO reinitialization of library */ | |||||||
6428 | if (TCR_4(__kmp_global.g.g_done)(__kmp_global.g.g_done)) { | |||||||
6429 | KA_TRACE(10, ("__kmp_do_serial_initialize: reinitialization of library\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_do_serial_initialize: reinitialization of library\n" ); }; | |||||||
6430 | } | |||||||
6431 | ||||||||
6432 | __kmp_global.g.g_abort = 0; | |||||||
6433 | TCW_SYNC_4(__kmp_global.g.g_done, FALSE)(__kmp_global.g.g_done) = (0); | |||||||
6434 | ||||||||
6435 | /* initialize the locks */ | |||||||
6436 | #if KMP_USE_ADAPTIVE_LOCKS(0 || 1) && !0 | |||||||
6437 | #if KMP_DEBUG_ADAPTIVE_LOCKS0 | |||||||
6438 | __kmp_init_speculative_stats(); | |||||||
6439 | #endif | |||||||
6440 | #endif | |||||||
6441 | #if KMP_STATS_ENABLED0 | |||||||
6442 | __kmp_stats_init(); | |||||||
6443 | #endif | |||||||
6444 | __kmp_init_lock(&__kmp_global_lock); | |||||||
6445 | __kmp_init_queuing_lock(&__kmp_dispatch_lock); | |||||||
6446 | __kmp_init_lock(&__kmp_debug_lock); | |||||||
6447 | __kmp_init_atomic_lock(&__kmp_atomic_lock); | |||||||
6448 | __kmp_init_atomic_lock(&__kmp_atomic_lock_1i); | |||||||
6449 | __kmp_init_atomic_lock(&__kmp_atomic_lock_2i); | |||||||
6450 | __kmp_init_atomic_lock(&__kmp_atomic_lock_4i); | |||||||
6451 | __kmp_init_atomic_lock(&__kmp_atomic_lock_4r); | |||||||
6452 | __kmp_init_atomic_lock(&__kmp_atomic_lock_8i); | |||||||
6453 | __kmp_init_atomic_lock(&__kmp_atomic_lock_8r); | |||||||
6454 | __kmp_init_atomic_lock(&__kmp_atomic_lock_8c); | |||||||
6455 | __kmp_init_atomic_lock(&__kmp_atomic_lock_10r); | |||||||
6456 | __kmp_init_atomic_lock(&__kmp_atomic_lock_16r); | |||||||
6457 | __kmp_init_atomic_lock(&__kmp_atomic_lock_16c); | |||||||
6458 | __kmp_init_atomic_lock(&__kmp_atomic_lock_20c); | |||||||
6459 | __kmp_init_atomic_lock(&__kmp_atomic_lock_32c); | |||||||
6460 | __kmp_init_bootstrap_lock(&__kmp_forkjoin_lock); | |||||||
6461 | __kmp_init_bootstrap_lock(&__kmp_exit_lock); | |||||||
6462 | #if KMP_USE_MONITOR | |||||||
6463 | __kmp_init_bootstrap_lock(&__kmp_monitor_lock); | |||||||
6464 | #endif | |||||||
6465 | __kmp_init_bootstrap_lock(&__kmp_tp_cached_lock); | |||||||
6466 | ||||||||
6467 | /* conduct initialization and initial setup of configuration */ | |||||||
6468 | ||||||||
6469 | __kmp_runtime_initialize(); | |||||||
6470 | ||||||||
6471 | #if KMP_MIC_SUPPORTED((0 || 1) && (1 || 0)) | |||||||
6472 | __kmp_check_mic_type(); | |||||||
6473 | #endif | |||||||
6474 | ||||||||
6475 | // Some global variable initialization moved here from kmp_env_initialize() | |||||||
6476 | #ifdef KMP_DEBUG1 | |||||||
6477 | kmp_diag = 0; | |||||||
6478 | #endif | |||||||
6479 | __kmp_abort_delay = 0; | |||||||
6480 | ||||||||
6481 | // From __kmp_init_dflt_team_nth() | |||||||
6482 | /* assume the entire machine will be used */ | |||||||
6483 | __kmp_dflt_team_nth_ub = __kmp_xproc; | |||||||
6484 | if (__kmp_dflt_team_nth_ub < KMP_MIN_NTH1) { | |||||||
6485 | __kmp_dflt_team_nth_ub = KMP_MIN_NTH1; | |||||||
6486 | } | |||||||
6487 | if (__kmp_dflt_team_nth_ub > __kmp_sys_max_nth) { | |||||||
6488 | __kmp_dflt_team_nth_ub = __kmp_sys_max_nth; | |||||||
6489 | } | |||||||
6490 | __kmp_max_nth = __kmp_sys_max_nth; | |||||||
6491 | __kmp_cg_max_nth = __kmp_sys_max_nth; | |||||||
6492 | __kmp_teams_max_nth = __kmp_xproc; // set a "reasonable" default | |||||||
6493 | if (__kmp_teams_max_nth > __kmp_sys_max_nth) { | |||||||
6494 | __kmp_teams_max_nth = __kmp_sys_max_nth; | |||||||
6495 | } | |||||||
6496 | ||||||||
6497 | // Three vars below moved here from __kmp_env_initialize() "KMP_BLOCKTIME" | |||||||
6498 | // part | |||||||
6499 | __kmp_dflt_blocktime = KMP_DEFAULT_BLOCKTIME(200); | |||||||
6500 | #if KMP_USE_MONITOR | |||||||
6501 | __kmp_monitor_wakeups = | |||||||
6502 | KMP_WAKEUPS_FROM_BLOCKTIME(__kmp_dflt_blocktime, __kmp_monitor_wakeups); | |||||||
6503 | __kmp_bt_intervals = | |||||||
6504 | KMP_INTERVALS_FROM_BLOCKTIME(__kmp_dflt_blocktime, __kmp_monitor_wakeups); | |||||||
6505 | #endif | |||||||
6506 | // From "KMP_LIBRARY" part of __kmp_env_initialize() | |||||||
6507 | __kmp_library = library_throughput; | |||||||
6508 | // From KMP_SCHEDULE initialization | |||||||
6509 | __kmp_static = kmp_sch_static_balanced; | |||||||
6510 | // AC: do not use analytical here, because it is non-monotonous | |||||||
6511 | //__kmp_guided = kmp_sch_guided_iterative_chunked; | |||||||
6512 | //__kmp_auto = kmp_sch_guided_analytical_chunked; // AC: it is the default, no | |||||||
6513 | // need to repeat assignment | |||||||
6514 | // Barrier initialization. Moved here from __kmp_env_initialize() Barrier branch | |||||||
6515 | // bit control and barrier method control parts | |||||||
6516 | #if KMP_FAST_REDUCTION_BARRIER1 | |||||||
6517 | #define kmp_reduction_barrier_gather_bb ((int)1) | |||||||
6518 | #define kmp_reduction_barrier_release_bb ((int)1) | |||||||
6519 | #define kmp_reduction_barrier_gather_pat bp_hyper_bar | |||||||
6520 | #define kmp_reduction_barrier_release_pat bp_hyper_bar | |||||||
6521 | #endif // KMP_FAST_REDUCTION_BARRIER | |||||||
6522 | for (i = bs_plain_barrier; i < bs_last_barrier; i++) { | |||||||
6523 | __kmp_barrier_gather_branch_bits[i] = __kmp_barrier_gather_bb_dflt; | |||||||
6524 | __kmp_barrier_release_branch_bits[i] = __kmp_barrier_release_bb_dflt; | |||||||
6525 | __kmp_barrier_gather_pattern[i] = __kmp_barrier_gather_pat_dflt; | |||||||
6526 | __kmp_barrier_release_pattern[i] = __kmp_barrier_release_pat_dflt; | |||||||
6527 | #if KMP_FAST_REDUCTION_BARRIER1 | |||||||
6528 | if (i == bs_reduction_barrier) { // tested and confirmed on ALTIX only ( | |||||||
6529 | // lin_64 ): hyper,1 | |||||||
6530 | __kmp_barrier_gather_branch_bits[i] = kmp_reduction_barrier_gather_bb; | |||||||
6531 | __kmp_barrier_release_branch_bits[i] = kmp_reduction_barrier_release_bb; | |||||||
6532 | __kmp_barrier_gather_pattern[i] = kmp_reduction_barrier_gather_pat; | |||||||
6533 | __kmp_barrier_release_pattern[i] = kmp_reduction_barrier_release_pat; | |||||||
6534 | } | |||||||
6535 | #endif // KMP_FAST_REDUCTION_BARRIER | |||||||
6536 | } | |||||||
6537 | #if KMP_FAST_REDUCTION_BARRIER1 | |||||||
6538 | #undef kmp_reduction_barrier_release_pat | |||||||
6539 | #undef kmp_reduction_barrier_gather_pat | |||||||
6540 | #undef kmp_reduction_barrier_release_bb | |||||||
6541 | #undef kmp_reduction_barrier_gather_bb | |||||||
6542 | #endif // KMP_FAST_REDUCTION_BARRIER | |||||||
6543 | #if KMP_MIC_SUPPORTED((0 || 1) && (1 || 0)) | |||||||
6544 | if (__kmp_mic_type == mic2) { // KNC | |||||||
6545 | // AC: plane=3,2, forkjoin=2,1 are optimal for 240 threads on KNC | |||||||
6546 | __kmp_barrier_gather_branch_bits[bs_plain_barrier] = 3; // plain gather | |||||||
6547 | __kmp_barrier_release_branch_bits[bs_forkjoin_barrier] = | |||||||
6548 | 1; // forkjoin release | |||||||
6549 | __kmp_barrier_gather_pattern[bs_forkjoin_barrier] = bp_hierarchical_bar; | |||||||
6550 | __kmp_barrier_release_pattern[bs_forkjoin_barrier] = bp_hierarchical_bar; | |||||||
6551 | } | |||||||
6552 | #if KMP_FAST_REDUCTION_BARRIER1 | |||||||
6553 | if (__kmp_mic_type == mic2) { // KNC | |||||||
6554 | __kmp_barrier_gather_pattern[bs_reduction_barrier] = bp_hierarchical_bar; | |||||||
6555 | __kmp_barrier_release_pattern[bs_reduction_barrier] = bp_hierarchical_bar; | |||||||
6556 | } | |||||||
6557 | #endif // KMP_FAST_REDUCTION_BARRIER | |||||||
6558 | #endif // KMP_MIC_SUPPORTED | |||||||
6559 | ||||||||
6560 | // From KMP_CHECKS initialization | |||||||
6561 | #ifdef KMP_DEBUG1 | |||||||
6562 | __kmp_env_checks = TRUE(!0); /* development versions have the extra checks */ | |||||||
6563 | #else | |||||||
6564 | __kmp_env_checks = FALSE0; /* port versions do not have the extra checks */ | |||||||
6565 | #endif | |||||||
6566 | ||||||||
6567 | // From "KMP_FOREIGN_THREADS_THREADPRIVATE" initialization | |||||||
6568 | __kmp_foreign_tp = TRUE(!0); | |||||||
6569 | ||||||||
6570 | __kmp_global.g.g_dynamic = FALSE0; | |||||||
6571 | __kmp_global.g.g_dynamic_mode = dynamic_default; | |||||||
6572 | ||||||||
6573 | __kmp_env_initialize(NULL__null); | |||||||
6574 | ||||||||
6575 | // Print all messages in message catalog for testing purposes. | |||||||
6576 | #ifdef KMP_DEBUG1 | |||||||
6577 | char const *val = __kmp_env_get("KMP_DUMP_CATALOG"); | |||||||
6578 | if (__kmp_str_match_true(val)) { | |||||||
6579 | kmp_str_buf_t buffer; | |||||||
6580 | __kmp_str_buf_init(&buffer){ (&buffer)->str = (&buffer)->bulk; (&buffer )->size = sizeof((&buffer)->bulk); (&buffer)-> used = 0; (&buffer)->bulk[0] = 0; }; | |||||||
6581 | __kmp_i18n_dump_catalog(&buffer); | |||||||
6582 | __kmp_printf("%s", buffer.str); | |||||||
6583 | __kmp_str_buf_free(&buffer); | |||||||
6584 | } | |||||||
6585 | __kmp_env_free(&val); | |||||||
6586 | #endif | |||||||
6587 | ||||||||
6588 | __kmp_threads_capacity = | |||||||
6589 | __kmp_initial_threads_capacity(__kmp_dflt_team_nth_ub); | |||||||
6590 | // Moved here from __kmp_env_initialize() "KMP_ALL_THREADPRIVATE" part | |||||||
6591 | __kmp_tp_capacity = __kmp_default_tp_capacity( | |||||||
6592 | __kmp_dflt_team_nth_ub, __kmp_max_nth, __kmp_allThreadsSpecified); | |||||||
6593 | ||||||||
6594 | // If the library is shut down properly, both pools must be NULL. Just in | |||||||
6595 | // case, set them to NULL -- some memory may leak, but subsequent code will | |||||||
6596 | // work even if pools are not freed. | |||||||
6597 | KMP_DEBUG_ASSERT(__kmp_thread_pool == NULL)((__kmp_thread_pool == __null) ? 0 : __kmp_debug_assert("__kmp_thread_pool == __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6597)); | |||||||
6598 | KMP_DEBUG_ASSERT(__kmp_thread_pool_insert_pt == NULL)((__kmp_thread_pool_insert_pt == __null) ? 0 : __kmp_debug_assert ("__kmp_thread_pool_insert_pt == __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6598)); | |||||||
6599 | KMP_DEBUG_ASSERT(__kmp_team_pool == NULL)((__kmp_team_pool == __null) ? 0 : __kmp_debug_assert("__kmp_team_pool == __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6599)); | |||||||
6600 | __kmp_thread_pool = NULL__null; | |||||||
6601 | __kmp_thread_pool_insert_pt = NULL__null; | |||||||
6602 | __kmp_team_pool = NULL__null; | |||||||
6603 | ||||||||
6604 | /* Allocate all of the variable sized records */ | |||||||
6605 | /* NOTE: __kmp_threads_capacity entries are allocated, but the arrays are | |||||||
6606 | * expandable */ | |||||||
6607 | /* Since allocation is cache-aligned, just add extra padding at the end */ | |||||||
6608 | size = | |||||||
6609 | (sizeof(kmp_info_t *) + sizeof(kmp_root_t *)) * __kmp_threads_capacity + | |||||||
6610 | CACHE_LINE64; | |||||||
6611 | __kmp_threads = (kmp_info_t **)__kmp_allocate(size)___kmp_allocate((size), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6611); | |||||||
6612 | __kmp_root = (kmp_root_t **)((char *)__kmp_threads + | |||||||
6613 | sizeof(kmp_info_t *) * __kmp_threads_capacity); | |||||||
6614 | ||||||||
6615 | /* init thread counts */ | |||||||
6616 | KMP_DEBUG_ASSERT(__kmp_all_nth ==((__kmp_all_nth == 0) ? 0 : __kmp_debug_assert("__kmp_all_nth == 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6617)) | |||||||
6617 | 0)((__kmp_all_nth == 0) ? 0 : __kmp_debug_assert("__kmp_all_nth == 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6617)); // Asserts fail if the library is reinitializing and | |||||||
6618 | KMP_DEBUG_ASSERT(__kmp_nth == 0)((__kmp_nth == 0) ? 0 : __kmp_debug_assert("__kmp_nth == 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6618)); // something was wrong in termination. | |||||||
6619 | __kmp_all_nth = 0; | |||||||
6620 | __kmp_nth = 0; | |||||||
6621 | ||||||||
6622 | /* setup the uber master thread and hierarchy */ | |||||||
6623 | gtid = __kmp_register_root(TRUE(!0)); | |||||||
6624 | KA_TRACE(10, ("__kmp_do_serial_initialize T#%d\n", gtid))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_do_serial_initialize T#%d\n" , gtid); }; | |||||||
6625 | KMP_ASSERT(KMP_UBER_GTID(gtid))((((((gtid) >= (-6)) ? 0 : __kmp_debug_assert("(gtid) >= (-6)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6625)), (((gtid) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(gtid) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6625)), (gtid) >= 0 && __kmp_root[(gtid)] && __kmp_threads[(gtid)] && (__kmp_threads[(gtid)] == __kmp_root [(gtid)]->r.r_uber_thread))) ? 0 : __kmp_debug_assert("KMP_UBER_GTID(gtid)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6625)); | |||||||
6626 | KMP_ASSERT(KMP_INITIAL_GTID(gtid))((((gtid) == 0)) ? 0 : __kmp_debug_assert("KMP_INITIAL_GTID(gtid)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6626)); | |||||||
6627 | ||||||||
6628 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
6629 | ||||||||
6630 | __kmp_common_initialize(); | |||||||
6631 | ||||||||
6632 | #if KMP_OS_UNIX1 | |||||||
6633 | /* invoke the child fork handler */ | |||||||
6634 | __kmp_register_atfork(); | |||||||
6635 | #endif | |||||||
6636 | ||||||||
6637 | #if !defined KMP_DYNAMIC_LIB1 | |||||||
6638 | { | |||||||
6639 | /* Invoke the exit handler when the program finishes, only for static | |||||||
6640 | library. For dynamic library, we already have _fini and DllMain. */ | |||||||
6641 | int rc = atexit(__kmp_internal_end_atexit); | |||||||
6642 | if (rc != 0) { | |||||||
6643 | __kmp_fatal(KMP_MSG(FunctionError, "atexit()")__kmp_msg_format(kmp_i18n_msg_FunctionError, "atexit()"), KMP_ERR(rc)__kmp_msg_error_code(rc), | |||||||
6644 | __kmp_msg_null); | |||||||
6645 | } | |||||||
6646 | } | |||||||
6647 | #endif | |||||||
6648 | ||||||||
6649 | #if KMP_HANDLE_SIGNALS(1 || 0) | |||||||
6650 | #if KMP_OS_UNIX1 | |||||||
6651 | /* NOTE: make sure that this is called before the user installs their own | |||||||
6652 | signal handlers so that the user handlers are called first. this way they | |||||||
6653 | can return false, not call our handler, avoid terminating the library, and | |||||||
6654 | continue execution where they left off. */ | |||||||
6655 | __kmp_install_signals(FALSE0); | |||||||
6656 | #endif /* KMP_OS_UNIX */ | |||||||
6657 | #if KMP_OS_WINDOWS0 | |||||||
6658 | __kmp_install_signals(TRUE(!0)); | |||||||
6659 | #endif /* KMP_OS_WINDOWS */ | |||||||
6660 | #endif | |||||||
6661 | ||||||||
6662 | /* we have finished the serial initialization */ | |||||||
6663 | __kmp_init_counter++; | |||||||
6664 | ||||||||
6665 | __kmp_init_serial = TRUE(!0); | |||||||
6666 | ||||||||
6667 | if (__kmp_settings) { | |||||||
6668 | __kmp_env_print(); | |||||||
6669 | } | |||||||
6670 | ||||||||
6671 | #if OMP_40_ENABLED(50 >= 40) | |||||||
6672 | if (__kmp_display_env || __kmp_display_env_verbose) { | |||||||
6673 | __kmp_env_print_2(); | |||||||
6674 | } | |||||||
6675 | #endif // OMP_40_ENABLED | |||||||
6676 | ||||||||
6677 | #if OMPT_SUPPORT1 | |||||||
6678 | ompt_post_init(); | |||||||
6679 | #endif | |||||||
6680 | ||||||||
6681 | KMP_MB(); | |||||||
6682 | ||||||||
6683 | KA_TRACE(10, ("__kmp_do_serial_initialize: exit\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_do_serial_initialize: exit\n" ); }; | |||||||
6684 | } | |||||||
6685 | ||||||||
6686 | void __kmp_serial_initialize(void) { | |||||||
6687 | if (__kmp_init_serial) { | |||||||
6688 | return; | |||||||
6689 | } | |||||||
6690 | __kmp_acquire_bootstrap_lock(&__kmp_initz_lock); | |||||||
6691 | if (__kmp_init_serial) { | |||||||
6692 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6693 | return; | |||||||
6694 | } | |||||||
6695 | __kmp_do_serial_initialize(); | |||||||
6696 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6697 | } | |||||||
6698 | ||||||||
6699 | static void __kmp_do_middle_initialize(void) { | |||||||
6700 | int i, j; | |||||||
6701 | int prev_dflt_team_nth; | |||||||
6702 | ||||||||
6703 | if (!__kmp_init_serial) { | |||||||
6704 | __kmp_do_serial_initialize(); | |||||||
6705 | } | |||||||
6706 | ||||||||
6707 | KA_TRACE(10, ("__kmp_middle_initialize: enter\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_middle_initialize: enter\n" ); }; | |||||||
6708 | ||||||||
6709 | // Save the previous value for the __kmp_dflt_team_nth so that | |||||||
6710 | // we can avoid some reinitialization if it hasn't changed. | |||||||
6711 | prev_dflt_team_nth = __kmp_dflt_team_nth; | |||||||
6712 | ||||||||
6713 | #if KMP_AFFINITY_SUPPORTED1 | |||||||
6714 | // __kmp_affinity_initialize() will try to set __kmp_ncores to the | |||||||
6715 | // number of cores on the machine. | |||||||
6716 | __kmp_affinity_initialize(); | |||||||
6717 | ||||||||
6718 | // Run through the __kmp_threads array and set the affinity mask | |||||||
6719 | // for each root thread that is currently registered with the RTL. | |||||||
6720 | for (i = 0; i < __kmp_threads_capacity; i++) { | |||||||
6721 | if (TCR_PTR(__kmp_threads[i])((void *)(__kmp_threads[i])) != NULL__null) { | |||||||
6722 | __kmp_affinity_set_init_mask(i, TRUE(!0)); | |||||||
6723 | } | |||||||
6724 | } | |||||||
6725 | #endif /* KMP_AFFINITY_SUPPORTED */ | |||||||
6726 | ||||||||
6727 | KMP_ASSERT(__kmp_xproc > 0)((__kmp_xproc > 0) ? 0 : __kmp_debug_assert("__kmp_xproc > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6727)); | |||||||
6728 | if (__kmp_avail_proc == 0) { | |||||||
6729 | __kmp_avail_proc = __kmp_xproc; | |||||||
6730 | } | |||||||
6731 | ||||||||
6732 | // If there were empty places in num_threads list (OMP_NUM_THREADS=,,2,3), | |||||||
6733 | // correct them now | |||||||
6734 | j = 0; | |||||||
6735 | while ((j < __kmp_nested_nth.used) && !__kmp_nested_nth.nth[j]) { | |||||||
6736 | __kmp_nested_nth.nth[j] = __kmp_dflt_team_nth = __kmp_dflt_team_nth_ub = | |||||||
6737 | __kmp_avail_proc; | |||||||
6738 | j++; | |||||||
6739 | } | |||||||
6740 | ||||||||
6741 | if (__kmp_dflt_team_nth == 0) { | |||||||
6742 | #ifdef KMP_DFLT_NTH_CORES | |||||||
6743 | // Default #threads = #cores | |||||||
6744 | __kmp_dflt_team_nth = __kmp_ncores; | |||||||
6745 | KA_TRACE(20, ("__kmp_middle_initialize: setting __kmp_dflt_team_nth = "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_middle_initialize: setting __kmp_dflt_team_nth = " "__kmp_ncores (%d)\n", __kmp_dflt_team_nth); } | |||||||
6746 | "__kmp_ncores (%d)\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_middle_initialize: setting __kmp_dflt_team_nth = " "__kmp_ncores (%d)\n", __kmp_dflt_team_nth); } | |||||||
6747 | __kmp_dflt_team_nth))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_middle_initialize: setting __kmp_dflt_team_nth = " "__kmp_ncores (%d)\n", __kmp_dflt_team_nth); }; | |||||||
6748 | #else | |||||||
6749 | // Default #threads = #available OS procs | |||||||
6750 | __kmp_dflt_team_nth = __kmp_avail_proc; | |||||||
6751 | KA_TRACE(20, ("__kmp_middle_initialize: setting __kmp_dflt_team_nth = "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_middle_initialize: setting __kmp_dflt_team_nth = " "__kmp_avail_proc(%d)\n", __kmp_dflt_team_nth); } | |||||||
6752 | "__kmp_avail_proc(%d)\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_middle_initialize: setting __kmp_dflt_team_nth = " "__kmp_avail_proc(%d)\n", __kmp_dflt_team_nth); } | |||||||
6753 | __kmp_dflt_team_nth))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_middle_initialize: setting __kmp_dflt_team_nth = " "__kmp_avail_proc(%d)\n", __kmp_dflt_team_nth); }; | |||||||
6754 | #endif /* KMP_DFLT_NTH_CORES */ | |||||||
6755 | } | |||||||
6756 | ||||||||
6757 | if (__kmp_dflt_team_nth < KMP_MIN_NTH1) { | |||||||
6758 | __kmp_dflt_team_nth = KMP_MIN_NTH1; | |||||||
6759 | } | |||||||
6760 | if (__kmp_dflt_team_nth > __kmp_sys_max_nth) { | |||||||
6761 | __kmp_dflt_team_nth = __kmp_sys_max_nth; | |||||||
6762 | } | |||||||
6763 | ||||||||
6764 | // There's no harm in continuing if the following check fails, | |||||||
6765 | // but it indicates an error in the previous logic. | |||||||
6766 | KMP_DEBUG_ASSERT(__kmp_dflt_team_nth <= __kmp_dflt_team_nth_ub)((__kmp_dflt_team_nth <= __kmp_dflt_team_nth_ub) ? 0 : __kmp_debug_assert ("__kmp_dflt_team_nth <= __kmp_dflt_team_nth_ub", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6766)); | |||||||
6767 | ||||||||
6768 | if (__kmp_dflt_team_nth != prev_dflt_team_nth) { | |||||||
6769 | // Run through the __kmp_threads array and set the num threads icv for each | |||||||
6770 | // root thread that is currently registered with the RTL (which has not | |||||||
6771 | // already explicitly set its nthreads-var with a call to | |||||||
6772 | // omp_set_num_threads()). | |||||||
6773 | for (i = 0; i < __kmp_threads_capacity; i++) { | |||||||
6774 | kmp_info_t *thread = __kmp_threads[i]; | |||||||
6775 | if (thread == NULL__null) | |||||||
6776 | continue; | |||||||
6777 | if (thread->th.th_current_task->td_icvs.nproc != 0) | |||||||
6778 | continue; | |||||||
6779 | ||||||||
6780 | set__nproc(__kmp_threads[i], __kmp_dflt_team_nth)(((__kmp_threads[i])->th.th_current_task->td_icvs.nproc ) = (__kmp_dflt_team_nth)); | |||||||
6781 | } | |||||||
6782 | } | |||||||
6783 | KA_TRACE(if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_middle_initialize: final value for __kmp_dflt_team_nth = %d\n" , __kmp_dflt_team_nth); } | |||||||
6784 | 20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_middle_initialize: final value for __kmp_dflt_team_nth = %d\n" , __kmp_dflt_team_nth); } | |||||||
6785 | ("__kmp_middle_initialize: final value for __kmp_dflt_team_nth = %d\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_middle_initialize: final value for __kmp_dflt_team_nth = %d\n" , __kmp_dflt_team_nth); } | |||||||
6786 | __kmp_dflt_team_nth))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_middle_initialize: final value for __kmp_dflt_team_nth = %d\n" , __kmp_dflt_team_nth); }; | |||||||
6787 | ||||||||
6788 | #ifdef KMP_ADJUST_BLOCKTIME1 | |||||||
6789 | /* Adjust blocktime to zero if necessary now that __kmp_avail_proc is set */ | |||||||
6790 | if (!__kmp_env_blocktime && (__kmp_avail_proc > 0)) { | |||||||
6791 | KMP_DEBUG_ASSERT(__kmp_avail_proc > 0)((__kmp_avail_proc > 0) ? 0 : __kmp_debug_assert("__kmp_avail_proc > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6791)); | |||||||
6792 | if (__kmp_nth > __kmp_avail_proc) { | |||||||
6793 | __kmp_zero_bt = TRUE(!0); | |||||||
6794 | } | |||||||
6795 | } | |||||||
6796 | #endif /* KMP_ADJUST_BLOCKTIME */ | |||||||
6797 | ||||||||
6798 | /* we have finished middle initialization */ | |||||||
6799 | TCW_SYNC_4(__kmp_init_middle, TRUE)(__kmp_init_middle) = ((!0)); | |||||||
6800 | ||||||||
6801 | KA_TRACE(10, ("__kmp_do_middle_initialize: exit\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_do_middle_initialize: exit\n" ); }; | |||||||
6802 | } | |||||||
6803 | ||||||||
6804 | void __kmp_middle_initialize(void) { | |||||||
6805 | if (__kmp_init_middle) { | |||||||
6806 | return; | |||||||
6807 | } | |||||||
6808 | __kmp_acquire_bootstrap_lock(&__kmp_initz_lock); | |||||||
6809 | if (__kmp_init_middle) { | |||||||
6810 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6811 | return; | |||||||
6812 | } | |||||||
6813 | __kmp_do_middle_initialize(); | |||||||
6814 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6815 | } | |||||||
6816 | ||||||||
6817 | void __kmp_parallel_initialize(void) { | |||||||
6818 | int gtid = __kmp_entry_gtid()__kmp_get_global_thread_id_reg(); // this might be a new root | |||||||
6819 | ||||||||
6820 | /* synchronize parallel initialization (for sibling) */ | |||||||
6821 | if (TCR_4(__kmp_init_parallel)(__kmp_init_parallel)) | |||||||
6822 | return; | |||||||
6823 | __kmp_acquire_bootstrap_lock(&__kmp_initz_lock); | |||||||
6824 | if (TCR_4(__kmp_init_parallel)(__kmp_init_parallel)) { | |||||||
6825 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6826 | return; | |||||||
6827 | } | |||||||
6828 | ||||||||
6829 | /* TODO reinitialization after we have already shut down */ | |||||||
6830 | if (TCR_4(__kmp_global.g.g_done)(__kmp_global.g.g_done)) { | |||||||
6831 | KA_TRACE(if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_parallel_initialize: attempt to init while shutting down\n" ); } | |||||||
6832 | 10,if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_parallel_initialize: attempt to init while shutting down\n" ); } | |||||||
6833 | ("__kmp_parallel_initialize: attempt to init while shutting down\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_parallel_initialize: attempt to init while shutting down\n" ); }; | |||||||
6834 | __kmp_infinite_loop(); | |||||||
6835 | } | |||||||
6836 | ||||||||
6837 | /* jc: The lock __kmp_initz_lock is already held, so calling | |||||||
6838 | __kmp_serial_initialize would cause a deadlock. So we call | |||||||
6839 | __kmp_do_serial_initialize directly. */ | |||||||
6840 | if (!__kmp_init_middle) { | |||||||
6841 | __kmp_do_middle_initialize(); | |||||||
6842 | } | |||||||
6843 | ||||||||
6844 | /* begin initialization */ | |||||||
6845 | KA_TRACE(10, ("__kmp_parallel_initialize: enter\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_parallel_initialize: enter\n" ); }; | |||||||
6846 | KMP_ASSERT(KMP_UBER_GTID(gtid))((((((gtid) >= (-6)) ? 0 : __kmp_debug_assert("(gtid) >= (-6)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6846)), (((gtid) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(gtid) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6846)), (gtid) >= 0 && __kmp_root[(gtid)] && __kmp_threads[(gtid)] && (__kmp_threads[(gtid)] == __kmp_root [(gtid)]->r.r_uber_thread))) ? 0 : __kmp_debug_assert("KMP_UBER_GTID(gtid)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6846)); | |||||||
6847 | ||||||||
6848 | #if KMP_ARCH_X860 || KMP_ARCH_X86_641 | |||||||
6849 | // Save the FP control regs. | |||||||
6850 | // Worker threads will set theirs to these values at thread startup. | |||||||
6851 | __kmp_store_x87_fpu_control_word(&__kmp_init_x87_fpu_control_word); | |||||||
6852 | __kmp_store_mxcsr(&__kmp_init_mxcsr); | |||||||
6853 | __kmp_init_mxcsr &= KMP_X86_MXCSR_MASK0xffffffc0; | |||||||
6854 | #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */ | |||||||
6855 | ||||||||
6856 | #if KMP_OS_UNIX1 | |||||||
6857 | #if KMP_HANDLE_SIGNALS(1 || 0) | |||||||
6858 | /* must be after __kmp_serial_initialize */ | |||||||
6859 | __kmp_install_signals(TRUE(!0)); | |||||||
6860 | #endif | |||||||
6861 | #endif | |||||||
6862 | ||||||||
6863 | __kmp_suspend_initialize(); | |||||||
6864 | ||||||||
6865 | #if defined(USE_LOAD_BALANCE1) | |||||||
6866 | if (__kmp_global.g.g_dynamic_mode == dynamic_default) { | |||||||
6867 | __kmp_global.g.g_dynamic_mode = dynamic_load_balance; | |||||||
6868 | } | |||||||
6869 | #else | |||||||
6870 | if (__kmp_global.g.g_dynamic_mode == dynamic_default) { | |||||||
6871 | __kmp_global.g.g_dynamic_mode = dynamic_thread_limit; | |||||||
6872 | } | |||||||
6873 | #endif | |||||||
6874 | ||||||||
6875 | if (__kmp_version) { | |||||||
6876 | __kmp_print_version_2(); | |||||||
6877 | } | |||||||
6878 | ||||||||
6879 | /* we have finished parallel initialization */ | |||||||
6880 | TCW_SYNC_4(__kmp_init_parallel, TRUE)(__kmp_init_parallel) = ((!0)); | |||||||
6881 | ||||||||
6882 | KMP_MB(); | |||||||
6883 | KA_TRACE(10, ("__kmp_parallel_initialize: exit\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_parallel_initialize: exit\n" ); }; | |||||||
6884 | ||||||||
6885 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
6886 | } | |||||||
6887 | ||||||||
6888 | /* ------------------------------------------------------------------------ */ | |||||||
6889 | ||||||||
6890 | void __kmp_run_before_invoked_task(int gtid, int tid, kmp_info_t *this_thr, | |||||||
6891 | kmp_team_t *team) { | |||||||
6892 | kmp_disp_t *dispatch; | |||||||
6893 | ||||||||
6894 | KMP_MB(); | |||||||
6895 | ||||||||
6896 | /* none of the threads have encountered any constructs, yet. */ | |||||||
6897 | this_thr->th.th_local.this_construct = 0; | |||||||
6898 | #if KMP_CACHE_MANAGE | |||||||
6899 | KMP_CACHE_PREFETCH(&this_thr->th.th_bar[bs_forkjoin_barrier].bb.b_arrived); | |||||||
6900 | #endif /* KMP_CACHE_MANAGE */ | |||||||
6901 | dispatch = (kmp_disp_t *)TCR_PTR(this_thr->th.th_dispatch)((void *)(this_thr->th.th_dispatch)); | |||||||
6902 | KMP_DEBUG_ASSERT(dispatch)((dispatch) ? 0 : __kmp_debug_assert("dispatch", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6902)); | |||||||
6903 | KMP_DEBUG_ASSERT(team->t.t_dispatch)((team->t.t_dispatch) ? 0 : __kmp_debug_assert("team->t.t_dispatch" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6903)); | |||||||
6904 | // KMP_DEBUG_ASSERT( this_thr->th.th_dispatch == &team->t.t_dispatch[ | |||||||
6905 | // this_thr->th.th_info.ds.ds_tid ] ); | |||||||
6906 | ||||||||
6907 | dispatch->th_disp_index = 0; /* reset the dispatch buffer counter */ | |||||||
6908 | #if OMP_45_ENABLED(50 >= 45) | |||||||
6909 | dispatch->th_doacross_buf_idx = | |||||||
6910 | 0; /* reset the doacross dispatch buffer counter */ | |||||||
6911 | #endif | |||||||
6912 | if (__kmp_env_consistency_check) | |||||||
6913 | __kmp_push_parallel(gtid, team->t.t_ident); | |||||||
6914 | ||||||||
6915 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
6916 | } | |||||||
6917 | ||||||||
6918 | void __kmp_run_after_invoked_task(int gtid, int tid, kmp_info_t *this_thr, | |||||||
6919 | kmp_team_t *team) { | |||||||
6920 | if (__kmp_env_consistency_check) | |||||||
6921 | __kmp_pop_parallel(gtid, team->t.t_ident); | |||||||
6922 | ||||||||
6923 | __kmp_finish_implicit_task(this_thr); | |||||||
6924 | } | |||||||
6925 | ||||||||
6926 | int __kmp_invoke_task_func(int gtid) { | |||||||
6927 | int rc; | |||||||
6928 | int tid = __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6928)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid); | |||||||
6929 | kmp_info_t *this_thr = __kmp_threads[gtid]; | |||||||
6930 | kmp_team_t *team = this_thr->th.th_team; | |||||||
6931 | ||||||||
6932 | __kmp_run_before_invoked_task(gtid, tid, this_thr, team); | |||||||
6933 | #if USE_ITT_BUILD1 | |||||||
6934 | if (__itt_stack_caller_create_ptr__kmp_itt_stack_caller_create_ptr__3_0) { | |||||||
6935 | __kmp_itt_stack_callee_enter( | |||||||
6936 | (__itt_caller) | |||||||
6937 | team->t.t_stack_id); // inform ittnotify about entering user's code | |||||||
6938 | } | |||||||
6939 | #endif /* USE_ITT_BUILD */ | |||||||
6940 | #if INCLUDE_SSC_MARKS(1 && 1) | |||||||
6941 | SSC_MARK_INVOKING()__asm__ __volatile__("movl %0, %%ebx; .byte 0x64, 0x67, 0x90 " ::"i"(0xd695) : "%ebx"); | |||||||
6942 | #endif | |||||||
6943 | ||||||||
6944 | #if OMPT_SUPPORT1 | |||||||
6945 | void *dummy; | |||||||
6946 | void **exit_runtime_p; | |||||||
6947 | ompt_data_t *my_task_data; | |||||||
6948 | ompt_data_t *my_parallel_data; | |||||||
6949 | int ompt_team_size; | |||||||
6950 | ||||||||
6951 | if (ompt_enabled.enabled) { | |||||||
6952 | exit_runtime_p = &( | |||||||
6953 | team->t.t_implicit_task_taskdata[tid].ompt_task_info.frame.exit_frame); | |||||||
6954 | } else { | |||||||
6955 | exit_runtime_p = &dummy; | |||||||
6956 | } | |||||||
6957 | ||||||||
6958 | my_task_data = | |||||||
6959 | &(team->t.t_implicit_task_taskdata[tid].ompt_task_info.task_data); | |||||||
6960 | my_parallel_data = &(team->t.ompt_team_info.parallel_data); | |||||||
6961 | if (ompt_enabled.ompt_callback_implicit_task) { | |||||||
6962 | ompt_team_size = team->t.t_nproc; | |||||||
6963 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||||||
6964 | ompt_scope_begin, my_parallel_data, my_task_data, ompt_team_size, | |||||||
6965 | __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6965)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid)); | |||||||
6966 | OMPT_CUR_TASK_INFO(this_thr)(&(this_thr->th.th_current_task->ompt_task_info))->thread_num = __kmp_tid_from_gtid(gtid)((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 6966)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid); | |||||||
6967 | } | |||||||
6968 | #endif | |||||||
6969 | ||||||||
6970 | { | |||||||
6971 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||||||
6972 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||||||
6973 | rc = | |||||||
6974 | __kmp_invoke_microtask((microtask_t)TCR_SYNC_PTR(team->t.t_pkfn)((void *)(team->t.t_pkfn)), gtid, | |||||||
6975 | tid, (int)team->t.t_argc, (void **)team->t.t_argv | |||||||
6976 | #if OMPT_SUPPORT1 | |||||||
6977 | , | |||||||
6978 | exit_runtime_p | |||||||
6979 | #endif | |||||||
6980 | ); | |||||||
6981 | #if OMPT_SUPPORT1 | |||||||
6982 | *exit_runtime_p = NULL__null; | |||||||
6983 | #endif | |||||||
6984 | } | |||||||
6985 | ||||||||
6986 | #if USE_ITT_BUILD1 | |||||||
6987 | if (__itt_stack_caller_create_ptr__kmp_itt_stack_caller_create_ptr__3_0) { | |||||||
6988 | __kmp_itt_stack_callee_leave( | |||||||
6989 | (__itt_caller) | |||||||
6990 | team->t.t_stack_id); // inform ittnotify about leaving user's code | |||||||
6991 | } | |||||||
6992 | #endif /* USE_ITT_BUILD */ | |||||||
6993 | __kmp_run_after_invoked_task(gtid, tid, this_thr, team); | |||||||
6994 | ||||||||
6995 | return rc; | |||||||
6996 | } | |||||||
6997 | ||||||||
6998 | #if OMP_40_ENABLED(50 >= 40) | |||||||
6999 | void __kmp_teams_master(int gtid) { | |||||||
7000 | // This routine is called by all master threads in teams construct | |||||||
7001 | kmp_info_t *thr = __kmp_threads[gtid]; | |||||||
7002 | kmp_team_t *team = thr->th.th_team; | |||||||
7003 | ident_t *loc = team->t.t_ident; | |||||||
7004 | thr->th.th_set_nproc = thr->th.th_teams_size.nth; | |||||||
7005 | KMP_DEBUG_ASSERT(thr->th.th_teams_microtask)((thr->th.th_teams_microtask) ? 0 : __kmp_debug_assert("thr->th.th_teams_microtask" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7005)); | |||||||
7006 | KMP_DEBUG_ASSERT(thr->th.th_set_nproc)((thr->th.th_set_nproc) ? 0 : __kmp_debug_assert("thr->th.th_set_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7006)); | |||||||
7007 | KA_TRACE(20, ("__kmp_teams_master: T#%d, Tid %d, microtask %p\n", gtid,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_teams_master: T#%d, Tid %d, microtask %p\n" , gtid, ((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7008)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid), thr ->th.th_teams_microtask); } | |||||||
7008 | __kmp_tid_from_gtid(gtid), thr->th.th_teams_microtask))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_teams_master: T#%d, Tid %d, microtask %p\n" , gtid, ((((gtid) >= 0) ? 0 : __kmp_debug_assert("(gtid) >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7008)), __kmp_threads[(gtid)]->th.th_info.ds.ds_tid), thr ->th.th_teams_microtask); }; | |||||||
7009 | // Launch league of teams now, but not let workers execute | |||||||
7010 | // (they hang on fork barrier until next parallel) | |||||||
7011 | #if INCLUDE_SSC_MARKS(1 && 1) | |||||||
7012 | SSC_MARK_FORKING()__asm__ __volatile__("movl %0, %%ebx; .byte 0x64, 0x67, 0x90 " ::"i"(0xd693) : "%ebx"); | |||||||
7013 | #endif | |||||||
7014 | __kmp_fork_call(loc, gtid, fork_context_intel, team->t.t_argc, | |||||||
7015 | (microtask_t)thr->th.th_teams_microtask, // "wrapped" task | |||||||
7016 | VOLATILE_CAST(launch_t)(launch_t) __kmp_invoke_task_func, NULL__null); | |||||||
7017 | #if INCLUDE_SSC_MARKS(1 && 1) | |||||||
7018 | SSC_MARK_JOINING()__asm__ __volatile__("movl %0, %%ebx; .byte 0x64, 0x67, 0x90 " ::"i"(0xd694) : "%ebx"); | |||||||
7019 | #endif | |||||||
7020 | ||||||||
7021 | // AC: last parameter "1" eliminates join barrier which won't work because | |||||||
7022 | // worker threads are in a fork barrier waiting for more parallel regions | |||||||
7023 | __kmp_join_call(loc, gtid | |||||||
7024 | #if OMPT_SUPPORT1 | |||||||
7025 | , | |||||||
7026 | fork_context_intel | |||||||
7027 | #endif | |||||||
7028 | , | |||||||
7029 | 1); | |||||||
7030 | } | |||||||
7031 | ||||||||
7032 | int __kmp_invoke_teams_master(int gtid) { | |||||||
7033 | kmp_info_t *this_thr = __kmp_threads[gtid]; | |||||||
7034 | kmp_team_t *team = this_thr->th.th_team; | |||||||
7035 | #if KMP_DEBUG1 | |||||||
7036 | if (!__kmp_threads[gtid]->th.th_team->t.t_serialized) | |||||||
7037 | KMP_DEBUG_ASSERT((void *)__kmp_threads[gtid]->th.th_team->t.t_pkfn ==(((void *)__kmp_threads[gtid]->th.th_team->t.t_pkfn == ( void *)__kmp_teams_master) ? 0 : __kmp_debug_assert("(void *)__kmp_threads[gtid]->th.th_team->t.t_pkfn == (void *)__kmp_teams_master" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7038)) | |||||||
7038 | (void *)__kmp_teams_master)(((void *)__kmp_threads[gtid]->th.th_team->t.t_pkfn == ( void *)__kmp_teams_master) ? 0 : __kmp_debug_assert("(void *)__kmp_threads[gtid]->th.th_team->t.t_pkfn == (void *)__kmp_teams_master" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7038)); | |||||||
7039 | #endif | |||||||
7040 | __kmp_run_before_invoked_task(gtid, 0, this_thr, team); | |||||||
7041 | __kmp_teams_master(gtid); | |||||||
7042 | __kmp_run_after_invoked_task(gtid, 0, this_thr, team); | |||||||
7043 | return 1; | |||||||
7044 | } | |||||||
7045 | #endif /* OMP_40_ENABLED */ | |||||||
7046 | ||||||||
7047 | /* this sets the requested number of threads for the next parallel region | |||||||
7048 | encountered by this team. since this should be enclosed in the forkjoin | |||||||
7049 | critical section it should avoid race conditions with assymmetrical nested | |||||||
7050 | parallelism */ | |||||||
7051 | ||||||||
7052 | void __kmp_push_num_threads(ident_t *id, int gtid, int num_threads) { | |||||||
7053 | kmp_info_t *thr = __kmp_threads[gtid]; | |||||||
7054 | ||||||||
7055 | if (num_threads > 0) | |||||||
7056 | thr->th.th_set_nproc = num_threads; | |||||||
7057 | } | |||||||
7058 | ||||||||
7059 | #if OMP_40_ENABLED(50 >= 40) | |||||||
7060 | ||||||||
7061 | /* this sets the requested number of teams for the teams region and/or | |||||||
7062 | the number of threads for the next parallel region encountered */ | |||||||
7063 | void __kmp_push_num_teams(ident_t *id, int gtid, int num_teams, | |||||||
7064 | int num_threads) { | |||||||
7065 | kmp_info_t *thr = __kmp_threads[gtid]; | |||||||
7066 | KMP_DEBUG_ASSERT(num_teams >= 0)((num_teams >= 0) ? 0 : __kmp_debug_assert("num_teams >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7066)); | |||||||
7067 | KMP_DEBUG_ASSERT(num_threads >= 0)((num_threads >= 0) ? 0 : __kmp_debug_assert("num_threads >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7067)); | |||||||
7068 | ||||||||
7069 | if (num_teams == 0) | |||||||
7070 | num_teams = 1; // default number of teams is 1. | |||||||
7071 | if (num_teams > __kmp_teams_max_nth) { // if too many teams requested? | |||||||
7072 | if (!__kmp_reserve_warn) { | |||||||
7073 | __kmp_reserve_warn = 1; | |||||||
7074 | __kmp_msg(kmp_ms_warning, | |||||||
7075 | KMP_MSG(CantFormThrTeam, num_teams, __kmp_teams_max_nth)__kmp_msg_format(kmp_i18n_msg_CantFormThrTeam, num_teams, __kmp_teams_max_nth ), | |||||||
7076 | KMP_HNT(Unset_ALL_THREADS)__kmp_msg_format(kmp_i18n_hnt_Unset_ALL_THREADS), __kmp_msg_null); | |||||||
7077 | } | |||||||
7078 | num_teams = __kmp_teams_max_nth; | |||||||
7079 | } | |||||||
7080 | // Set number of teams (number of threads in the outer "parallel" of the | |||||||
7081 | // teams) | |||||||
7082 | thr->th.th_set_nproc = thr->th.th_teams_size.nteams = num_teams; | |||||||
7083 | ||||||||
7084 | // Remember the number of threads for inner parallel regions | |||||||
7085 | if (num_threads == 0) { | |||||||
7086 | if (!TCR_4(__kmp_init_middle)(__kmp_init_middle)) | |||||||
7087 | __kmp_middle_initialize(); // get __kmp_avail_proc calculated | |||||||
7088 | num_threads = __kmp_avail_proc / num_teams; | |||||||
7089 | if (num_teams * num_threads > __kmp_teams_max_nth) { | |||||||
7090 | // adjust num_threads w/o warning as it is not user setting | |||||||
7091 | num_threads = __kmp_teams_max_nth / num_teams; | |||||||
7092 | } | |||||||
7093 | } else { | |||||||
7094 | if (num_teams * num_threads > __kmp_teams_max_nth) { | |||||||
7095 | int new_threads = __kmp_teams_max_nth / num_teams; | |||||||
7096 | if (!__kmp_reserve_warn) { // user asked for too many threads | |||||||
7097 | __kmp_reserve_warn = 1; // that conflicts with KMP_TEAMS_THREAD_LIMIT | |||||||
7098 | __kmp_msg(kmp_ms_warning, | |||||||
7099 | KMP_MSG(CantFormThrTeam, num_threads, new_threads)__kmp_msg_format(kmp_i18n_msg_CantFormThrTeam, num_threads, new_threads ), | |||||||
7100 | KMP_HNT(Unset_ALL_THREADS)__kmp_msg_format(kmp_i18n_hnt_Unset_ALL_THREADS), __kmp_msg_null); | |||||||
7101 | } | |||||||
7102 | num_threads = new_threads; | |||||||
7103 | } | |||||||
7104 | } | |||||||
7105 | thr->th.th_teams_size.nth = num_threads; | |||||||
7106 | } | |||||||
7107 | ||||||||
7108 | // Set the proc_bind var to use in the following parallel region. | |||||||
7109 | void __kmp_push_proc_bind(ident_t *id, int gtid, kmp_proc_bind_t proc_bind) { | |||||||
7110 | kmp_info_t *thr = __kmp_threads[gtid]; | |||||||
7111 | thr->th.th_set_proc_bind = proc_bind; | |||||||
7112 | } | |||||||
7113 | ||||||||
7114 | #endif /* OMP_40_ENABLED */ | |||||||
7115 | ||||||||
7116 | /* Launch the worker threads into the microtask. */ | |||||||
7117 | ||||||||
7118 | void __kmp_internal_fork(ident_t *id, int gtid, kmp_team_t *team) { | |||||||
7119 | kmp_info_t *this_thr = __kmp_threads[gtid]; | |||||||
7120 | ||||||||
7121 | #ifdef KMP_DEBUG1 | |||||||
7122 | int f; | |||||||
7123 | #endif /* KMP_DEBUG */ | |||||||
7124 | ||||||||
7125 | KMP_DEBUG_ASSERT(team)((team) ? 0 : __kmp_debug_assert("team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7125)); | |||||||
7126 | KMP_DEBUG_ASSERT(this_thr->th.th_team == team)((this_thr->th.th_team == team) ? 0 : __kmp_debug_assert("this_thr->th.th_team == team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7126)); | |||||||
7127 | KMP_ASSERT(KMP_MASTER_GTID(gtid))((((((((gtid)) >= 0) ? 0 : __kmp_debug_assert("((gtid)) >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7127)), __kmp_threads[((gtid))]->th.th_info.ds.ds_tid) == 0)) ? 0 : __kmp_debug_assert("KMP_MASTER_GTID(gtid)", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7127)); | |||||||
7128 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
7129 | ||||||||
7130 | team->t.t_construct = 0; /* no single directives seen yet */ | |||||||
7131 | team->t.t_ordered.dt.t_value = | |||||||
7132 | 0; /* thread 0 enters the ordered section first */ | |||||||
7133 | ||||||||
7134 | /* Reset the identifiers on the dispatch buffer */ | |||||||
7135 | KMP_DEBUG_ASSERT(team->t.t_disp_buffer)((team->t.t_disp_buffer) ? 0 : __kmp_debug_assert("team->t.t_disp_buffer" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7135)); | |||||||
7136 | if (team->t.t_max_nproc > 1) { | |||||||
7137 | int i; | |||||||
7138 | for (i = 0; i < __kmp_dispatch_num_buffers; ++i) { | |||||||
7139 | team->t.t_disp_buffer[i].buffer_index = i; | |||||||
7140 | #if OMP_45_ENABLED(50 >= 45) | |||||||
7141 | team->t.t_disp_buffer[i].doacross_buf_idx = i; | |||||||
7142 | #endif | |||||||
7143 | } | |||||||
7144 | } else { | |||||||
7145 | team->t.t_disp_buffer[0].buffer_index = 0; | |||||||
7146 | #if OMP_45_ENABLED(50 >= 45) | |||||||
7147 | team->t.t_disp_buffer[0].doacross_buf_idx = 0; | |||||||
7148 | #endif | |||||||
7149 | } | |||||||
7150 | ||||||||
7151 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
7152 | KMP_ASSERT(this_thr->th.th_team == team)((this_thr->th.th_team == team) ? 0 : __kmp_debug_assert("this_thr->th.th_team == team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7152)); | |||||||
7153 | ||||||||
7154 | #ifdef KMP_DEBUG1 | |||||||
7155 | for (f = 0; f < team->t.t_nproc; f++) { | |||||||
7156 | KMP_DEBUG_ASSERT(team->t.t_threads[f] &&((team->t.t_threads[f] && team->t.t_threads[f]-> th.th_team_nproc == team->t.t_nproc) ? 0 : __kmp_debug_assert ("team->t.t_threads[f] && team->t.t_threads[f]->th.th_team_nproc == team->t.t_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7157)) | |||||||
7157 | team->t.t_threads[f]->th.th_team_nproc == team->t.t_nproc)((team->t.t_threads[f] && team->t.t_threads[f]-> th.th_team_nproc == team->t.t_nproc) ? 0 : __kmp_debug_assert ("team->t.t_threads[f] && team->t.t_threads[f]->th.th_team_nproc == team->t.t_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7157)); | |||||||
7158 | } | |||||||
7159 | #endif /* KMP_DEBUG */ | |||||||
7160 | ||||||||
7161 | /* release the worker threads so they may begin working */ | |||||||
7162 | __kmp_fork_barrier(gtid, 0); | |||||||
7163 | } | |||||||
7164 | ||||||||
7165 | void __kmp_internal_join(ident_t *id, int gtid, kmp_team_t *team) { | |||||||
7166 | kmp_info_t *this_thr = __kmp_threads[gtid]; | |||||||
7167 | ||||||||
7168 | KMP_DEBUG_ASSERT(team)((team) ? 0 : __kmp_debug_assert("team", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7168)); | |||||||
7169 | KMP_DEBUG_ASSERT(this_thr->th.th_team == team)((this_thr->th.th_team == team) ? 0 : __kmp_debug_assert("this_thr->th.th_team == team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7169)); | |||||||
7170 | KMP_ASSERT(KMP_MASTER_GTID(gtid))((((((((gtid)) >= 0) ? 0 : __kmp_debug_assert("((gtid)) >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7170)), __kmp_threads[((gtid))]->th.th_info.ds.ds_tid) == 0)) ? 0 : __kmp_debug_assert("KMP_MASTER_GTID(gtid)", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7170)); | |||||||
7171 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
7172 | ||||||||
7173 | /* Join barrier after fork */ | |||||||
7174 | ||||||||
7175 | #ifdef KMP_DEBUG1 | |||||||
7176 | if (__kmp_threads[gtid] && | |||||||
7177 | __kmp_threads[gtid]->th.th_team_nproc != team->t.t_nproc) { | |||||||
7178 | __kmp_printf("GTID: %d, __kmp_threads[%d]=%p\n", gtid, gtid, | |||||||
7179 | __kmp_threads[gtid]); | |||||||
7180 | __kmp_printf("__kmp_threads[%d]->th.th_team_nproc=%d, TEAM: %p, " | |||||||
7181 | "team->t.t_nproc=%d\n", | |||||||
7182 | gtid, __kmp_threads[gtid]->th.th_team_nproc, team, | |||||||
7183 | team->t.t_nproc); | |||||||
7184 | __kmp_print_structure(); | |||||||
7185 | } | |||||||
7186 | KMP_DEBUG_ASSERT(__kmp_threads[gtid] &&((__kmp_threads[gtid] && __kmp_threads[gtid]->th.th_team_nproc == team->t.t_nproc) ? 0 : __kmp_debug_assert("__kmp_threads[gtid] && __kmp_threads[gtid]->th.th_team_nproc == team->t.t_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7187)) | |||||||
7187 | __kmp_threads[gtid]->th.th_team_nproc == team->t.t_nproc)((__kmp_threads[gtid] && __kmp_threads[gtid]->th.th_team_nproc == team->t.t_nproc) ? 0 : __kmp_debug_assert("__kmp_threads[gtid] && __kmp_threads[gtid]->th.th_team_nproc == team->t.t_nproc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7187)); | |||||||
7188 | #endif /* KMP_DEBUG */ | |||||||
7189 | ||||||||
7190 | __kmp_join_barrier(gtid); /* wait for everyone */ | |||||||
7191 | #if OMPT_SUPPORT1 | |||||||
7192 | if (ompt_enabled.enabled && | |||||||
7193 | this_thr->th.ompt_thread_info.state == omp_state_wait_barrier_implicit) { | |||||||
7194 | int ds_tid = this_thr->th.th_info.ds.ds_tid; | |||||||
7195 | ompt_data_t *task_data = OMPT_CUR_TASK_DATA(this_thr)(&(this_thr->th.th_current_task->ompt_task_info.task_data )); | |||||||
7196 | this_thr->th.ompt_thread_info.state = omp_state_overhead; | |||||||
7197 | #if OMPT_OPTIONAL1 | |||||||
7198 | void *codeptr = NULL__null; | |||||||
7199 | if (KMP_MASTER_TID(ds_tid)((ds_tid) == 0) && | |||||||
7200 | (ompt_callbacks.ompt_callback(ompt_callback_sync_region_wait)ompt_callback_sync_region_wait_callback || | |||||||
7201 | ompt_callbacks.ompt_callback(ompt_callback_sync_region)ompt_callback_sync_region_callback)) | |||||||
7202 | codeptr = OMPT_CUR_TEAM_INFO(this_thr)(&(this_thr->th.th_team->t.ompt_team_info))->master_return_address; | |||||||
7203 | ||||||||
7204 | if (ompt_enabled.ompt_callback_sync_region_wait) { | |||||||
7205 | ompt_callbacks.ompt_callback(ompt_callback_sync_region_wait)ompt_callback_sync_region_wait_callback( | |||||||
7206 | ompt_sync_region_barrier, ompt_scope_end, NULL__null, task_data, codeptr); | |||||||
7207 | } | |||||||
7208 | if (ompt_enabled.ompt_callback_sync_region) { | |||||||
7209 | ompt_callbacks.ompt_callback(ompt_callback_sync_region)ompt_callback_sync_region_callback( | |||||||
7210 | ompt_sync_region_barrier, ompt_scope_end, NULL__null, task_data, codeptr); | |||||||
7211 | } | |||||||
7212 | #endif | |||||||
7213 | if (!KMP_MASTER_TID(ds_tid)((ds_tid) == 0) && ompt_enabled.ompt_callback_implicit_task) { | |||||||
7214 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||||||
7215 | ompt_scope_end, NULL__null, task_data, 0, ds_tid); | |||||||
7216 | } | |||||||
7217 | } | |||||||
7218 | #endif | |||||||
7219 | ||||||||
7220 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||||||
7221 | KMP_ASSERT(this_thr->th.th_team == team)((this_thr->th.th_team == team) ? 0 : __kmp_debug_assert("this_thr->th.th_team == team" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7221)); | |||||||
7222 | } | |||||||
7223 | ||||||||
7224 | /* ------------------------------------------------------------------------ */ | |||||||
7225 | ||||||||
7226 | #ifdef USE_LOAD_BALANCE1 | |||||||
7227 | ||||||||
7228 | // Return the worker threads actively spinning in the hot team, if we | |||||||
7229 | // are at the outermost level of parallelism. Otherwise, return 0. | |||||||
7230 | static int __kmp_active_hot_team_nproc(kmp_root_t *root) { | |||||||
7231 | int i; | |||||||
7232 | int retval; | |||||||
7233 | kmp_team_t *hot_team; | |||||||
7234 | ||||||||
7235 | if (root->r.r_active) { | |||||||
7236 | return 0; | |||||||
7237 | } | |||||||
7238 | hot_team = root->r.r_hot_team; | |||||||
7239 | if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME(2147483647)) { | |||||||
7240 | return hot_team->t.t_nproc - 1; // Don't count master thread | |||||||
7241 | } | |||||||
7242 | ||||||||
7243 | // Skip the master thread - it is accounted for elsewhere. | |||||||
7244 | retval = 0; | |||||||
7245 | for (i = 1; i < hot_team->t.t_nproc; i++) { | |||||||
7246 | if (hot_team->t.t_threads[i]->th.th_active) { | |||||||
7247 | retval++; | |||||||
7248 | } | |||||||
7249 | } | |||||||
7250 | return retval; | |||||||
7251 | } | |||||||
7252 | ||||||||
7253 | // Perform an automatic adjustment to the number of | |||||||
7254 | // threads used by the next parallel region. | |||||||
7255 | static int __kmp_load_balance_nproc(kmp_root_t *root, int set_nproc) { | |||||||
7256 | int retval; | |||||||
7257 | int pool_active; | |||||||
7258 | int hot_team_active; | |||||||
7259 | int team_curr_active; | |||||||
7260 | int system_active; | |||||||
7261 | ||||||||
7262 | KB_TRACE(20, ("__kmp_load_balance_nproc: called root:%p set_nproc:%d\n", root,if (kmp_b_debug >= 20) { __kmp_debug_printf ("__kmp_load_balance_nproc: called root:%p set_nproc:%d\n" , root, set_nproc); } | |||||||
7263 | set_nproc))if (kmp_b_debug >= 20) { __kmp_debug_printf ("__kmp_load_balance_nproc: called root:%p set_nproc:%d\n" , root, set_nproc); }; | |||||||
7264 | KMP_DEBUG_ASSERT(root)((root) ? 0 : __kmp_debug_assert("root", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7264)); | |||||||
7265 | KMP_DEBUG_ASSERT(root->r.r_root_team->t.t_threads[0]((root->r.r_root_team->t.t_threads[0] ->th.th_current_task ->td_icvs.dynamic == (!0)) ? 0 : __kmp_debug_assert("root->r.r_root_team->t.t_threads[0] ->th.th_current_task->td_icvs.dynamic == (!0)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7266)) | |||||||
7266 | ->th.th_current_task->td_icvs.dynamic == TRUE)((root->r.r_root_team->t.t_threads[0] ->th.th_current_task ->td_icvs.dynamic == (!0)) ? 0 : __kmp_debug_assert("root->r.r_root_team->t.t_threads[0] ->th.th_current_task->td_icvs.dynamic == (!0)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7266)); | |||||||
7267 | KMP_DEBUG_ASSERT(set_nproc > 1)((set_nproc > 1) ? 0 : __kmp_debug_assert("set_nproc > 1" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7267)); | |||||||
7268 | ||||||||
7269 | if (set_nproc == 1) { | |||||||
7270 | KB_TRACE(20, ("__kmp_load_balance_nproc: serial execution.\n"))if (kmp_b_debug >= 20) { __kmp_debug_printf ("__kmp_load_balance_nproc: serial execution.\n" ); }; | |||||||
7271 | return 1; | |||||||
7272 | } | |||||||
7273 | ||||||||
7274 | // Threads that are active in the thread pool, active in the hot team for this | |||||||
7275 | // particular root (if we are at the outer par level), and the currently | |||||||
7276 | // executing thread (to become the master) are available to add to the new | |||||||
7277 | // team, but are currently contributing to the system load, and must be | |||||||
7278 | // accounted for. | |||||||
7279 | pool_active = __kmp_thread_pool_active_nth; | |||||||
7280 | hot_team_active = __kmp_active_hot_team_nproc(root); | |||||||
7281 | team_curr_active = pool_active + hot_team_active + 1; | |||||||
7282 | ||||||||
7283 | // Check the system load. | |||||||
7284 | system_active = __kmp_get_load_balance(__kmp_avail_proc + team_curr_active); | |||||||
7285 | KB_TRACE(30, ("__kmp_load_balance_nproc: system active = %d pool active = %d "if (kmp_b_debug >= 30) { __kmp_debug_printf ("__kmp_load_balance_nproc: system active = %d pool active = %d " "hot team active = %d\n", system_active, pool_active, hot_team_active ); } | |||||||
7286 | "hot team active = %d\n",if (kmp_b_debug >= 30) { __kmp_debug_printf ("__kmp_load_balance_nproc: system active = %d pool active = %d " "hot team active = %d\n", system_active, pool_active, hot_team_active ); } | |||||||
7287 | system_active, pool_active, hot_team_active))if (kmp_b_debug >= 30) { __kmp_debug_printf ("__kmp_load_balance_nproc: system active = %d pool active = %d " "hot team active = %d\n", system_active, pool_active, hot_team_active ); }; | |||||||
7288 | ||||||||
7289 | if (system_active < 0) { | |||||||
7290 | // There was an error reading the necessary info from /proc, so use the | |||||||
7291 | // thread limit algorithm instead. Once we set __kmp_global.g.g_dynamic_mode | |||||||
7292 | // = dynamic_thread_limit, we shouldn't wind up getting back here. | |||||||
7293 | __kmp_global.g.g_dynamic_mode = dynamic_thread_limit; | |||||||
7294 | KMP_WARNING(CantLoadBalUsing, "KMP_DYNAMIC_MODE=thread limit")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_CantLoadBalUsing , "KMP_DYNAMIC_MODE=thread limit"), __kmp_msg_null); | |||||||
7295 | ||||||||
7296 | // Make this call behave like the thread limit algorithm. | |||||||
7297 | retval = __kmp_avail_proc - __kmp_nth + | |||||||
7298 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc); | |||||||
7299 | if (retval > set_nproc) { | |||||||
7300 | retval = set_nproc; | |||||||
7301 | } | |||||||
7302 | if (retval < KMP_MIN_NTH1) { | |||||||
7303 | retval = KMP_MIN_NTH1; | |||||||
7304 | } | |||||||
7305 | ||||||||
7306 | KB_TRACE(20, ("__kmp_load_balance_nproc: thread limit exit. retval:%d\n",if (kmp_b_debug >= 20) { __kmp_debug_printf ("__kmp_load_balance_nproc: thread limit exit. retval:%d\n" , retval); } | |||||||
7307 | retval))if (kmp_b_debug >= 20) { __kmp_debug_printf ("__kmp_load_balance_nproc: thread limit exit. retval:%d\n" , retval); }; | |||||||
7308 | return retval; | |||||||
7309 | } | |||||||
7310 | ||||||||
7311 | // There is a slight delay in the load balance algorithm in detecting new | |||||||
7312 | // running procs. The real system load at this instant should be at least as | |||||||
7313 | // large as the #active omp thread that are available to add to the team. | |||||||
7314 | if (system_active < team_curr_active) { | |||||||
7315 | system_active = team_curr_active; | |||||||
7316 | } | |||||||
7317 | retval = __kmp_avail_proc - system_active + team_curr_active; | |||||||
7318 | if (retval > set_nproc) { | |||||||
7319 | retval = set_nproc; | |||||||
7320 | } | |||||||
7321 | if (retval < KMP_MIN_NTH1) { | |||||||
7322 | retval = KMP_MIN_NTH1; | |||||||
7323 | } | |||||||
7324 | ||||||||
7325 | KB_TRACE(20, ("__kmp_load_balance_nproc: exit. retval:%d\n", retval))if (kmp_b_debug >= 20) { __kmp_debug_printf ("__kmp_load_balance_nproc: exit. retval:%d\n" , retval); }; | |||||||
7326 | return retval; | |||||||
7327 | } // __kmp_load_balance_nproc() | |||||||
7328 | ||||||||
7329 | #endif /* USE_LOAD_BALANCE */ | |||||||
7330 | ||||||||
7331 | /* ------------------------------------------------------------------------ */ | |||||||
7332 | ||||||||
7333 | /* NOTE: this is called with the __kmp_init_lock held */ | |||||||
7334 | void __kmp_cleanup(void) { | |||||||
7335 | int f; | |||||||
7336 | ||||||||
7337 | KA_TRACE(10, ("__kmp_cleanup: enter\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_cleanup: enter\n" ); }; | |||||||
7338 | ||||||||
7339 | if (TCR_4(__kmp_init_parallel)(__kmp_init_parallel)) { | |||||||
7340 | #if KMP_HANDLE_SIGNALS(1 || 0) | |||||||
7341 | __kmp_remove_signals(); | |||||||
7342 | #endif | |||||||
7343 | TCW_4(__kmp_init_parallel, FALSE)(__kmp_init_parallel) = (0); | |||||||
7344 | } | |||||||
7345 | ||||||||
7346 | if (TCR_4(__kmp_init_middle)(__kmp_init_middle)) { | |||||||
7347 | #if KMP_AFFINITY_SUPPORTED1 | |||||||
7348 | __kmp_affinity_uninitialize(); | |||||||
7349 | #endif /* KMP_AFFINITY_SUPPORTED */ | |||||||
7350 | __kmp_cleanup_hierarchy(); | |||||||
7351 | TCW_4(__kmp_init_middle, FALSE)(__kmp_init_middle) = (0); | |||||||
7352 | } | |||||||
7353 | ||||||||
7354 | KA_TRACE(10, ("__kmp_cleanup: go serial cleanup\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_cleanup: go serial cleanup\n" ); }; | |||||||
7355 | ||||||||
7356 | if (__kmp_init_serial) { | |||||||
7357 | __kmp_runtime_destroy(); | |||||||
7358 | __kmp_init_serial = FALSE0; | |||||||
7359 | } | |||||||
7360 | ||||||||
7361 | __kmp_cleanup_threadprivate_caches(); | |||||||
7362 | ||||||||
7363 | for (f = 0; f < __kmp_threads_capacity; f++) { | |||||||
7364 | if (__kmp_root[f] != NULL__null) { | |||||||
7365 | __kmp_free(__kmp_root[f])___kmp_free((__kmp_root[f]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7365); | |||||||
7366 | __kmp_root[f] = NULL__null; | |||||||
7367 | } | |||||||
7368 | } | |||||||
7369 | __kmp_free(__kmp_threads)___kmp_free((__kmp_threads), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7369); | |||||||
7370 | // __kmp_threads and __kmp_root were allocated at once, as single block, so | |||||||
7371 | // there is no need in freeing __kmp_root. | |||||||
7372 | __kmp_threads = NULL__null; | |||||||
7373 | __kmp_root = NULL__null; | |||||||
7374 | __kmp_threads_capacity = 0; | |||||||
7375 | ||||||||
7376 | #if KMP_USE_DYNAMIC_LOCK1 | |||||||
7377 | __kmp_cleanup_indirect_user_locks(); | |||||||
7378 | #else | |||||||
7379 | __kmp_cleanup_user_locks(); | |||||||
7380 | #endif | |||||||
7381 | ||||||||
7382 | #if KMP_AFFINITY_SUPPORTED1 | |||||||
7383 | KMP_INTERNAL_FREE(CCAST(char *, __kmp_cpuinfo_file))free(const_cast<char *>(__kmp_cpuinfo_file)); | |||||||
7384 | __kmp_cpuinfo_file = NULL__null; | |||||||
7385 | #endif /* KMP_AFFINITY_SUPPORTED */ | |||||||
7386 | ||||||||
7387 | #if KMP_USE_ADAPTIVE_LOCKS(0 || 1) && !0 | |||||||
7388 | #if KMP_DEBUG_ADAPTIVE_LOCKS0 | |||||||
7389 | __kmp_print_speculative_stats(); | |||||||
7390 | #endif | |||||||
7391 | #endif | |||||||
7392 | KMP_INTERNAL_FREE(__kmp_nested_nth.nth)free(__kmp_nested_nth.nth); | |||||||
7393 | __kmp_nested_nth.nth = NULL__null; | |||||||
7394 | __kmp_nested_nth.size = 0; | |||||||
7395 | __kmp_nested_nth.used = 0; | |||||||
7396 | KMP_INTERNAL_FREE(__kmp_nested_proc_bind.bind_types)free(__kmp_nested_proc_bind.bind_types); | |||||||
7397 | __kmp_nested_proc_bind.bind_types = NULL__null; | |||||||
7398 | __kmp_nested_proc_bind.size = 0; | |||||||
7399 | __kmp_nested_proc_bind.used = 0; | |||||||
7400 | ||||||||
7401 | __kmp_i18n_catclose(); | |||||||
7402 | ||||||||
7403 | #if KMP_USE_HIER_SCHED0 | |||||||
7404 | __kmp_hier_scheds.deallocate(); | |||||||
7405 | #endif | |||||||
7406 | ||||||||
7407 | #if KMP_STATS_ENABLED0 | |||||||
7408 | __kmp_stats_fini(); | |||||||
7409 | #endif | |||||||
7410 | ||||||||
7411 | KA_TRACE(10, ("__kmp_cleanup: exit\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_cleanup: exit\n" ); }; | |||||||
7412 | } | |||||||
7413 | ||||||||
7414 | /* ------------------------------------------------------------------------ */ | |||||||
7415 | ||||||||
7416 | int __kmp_ignore_mppbeg(void) { | |||||||
7417 | char *env; | |||||||
7418 | ||||||||
7419 | if ((env = getenv("KMP_IGNORE_MPPBEG")) != NULL__null) { | |||||||
7420 | if (__kmp_str_match_false(env)) | |||||||
7421 | return FALSE0; | |||||||
7422 | } | |||||||
7423 | // By default __kmpc_begin() is no-op. | |||||||
7424 | return TRUE(!0); | |||||||
7425 | } | |||||||
7426 | ||||||||
7427 | int __kmp_ignore_mppend(void) { | |||||||
7428 | char *env; | |||||||
7429 | ||||||||
7430 | if ((env = getenv("KMP_IGNORE_MPPEND")) != NULL__null) { | |||||||
7431 | if (__kmp_str_match_false(env)) | |||||||
7432 | return FALSE0; | |||||||
7433 | } | |||||||
7434 | // By default __kmpc_end() is no-op. | |||||||
7435 | return TRUE(!0); | |||||||
7436 | } | |||||||
7437 | ||||||||
7438 | void __kmp_internal_begin(void) { | |||||||
7439 | int gtid; | |||||||
7440 | kmp_root_t *root; | |||||||
7441 | ||||||||
7442 | /* this is a very important step as it will register new sibling threads | |||||||
7443 | and assign these new uber threads a new gtid */ | |||||||
7444 | gtid = __kmp_entry_gtid()__kmp_get_global_thread_id_reg(); | |||||||
7445 | root = __kmp_threads[gtid]->th.th_root; | |||||||
7446 | KMP_ASSERT(KMP_UBER_GTID(gtid))((((((gtid) >= (-6)) ? 0 : __kmp_debug_assert("(gtid) >= (-6)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7446)), (((gtid) < __kmp_threads_capacity) ? 0 : __kmp_debug_assert ("(gtid) < __kmp_threads_capacity", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7446)), (gtid) >= 0 && __kmp_root[(gtid)] && __kmp_threads[(gtid)] && (__kmp_threads[(gtid)] == __kmp_root [(gtid)]->r.r_uber_thread))) ? 0 : __kmp_debug_assert("KMP_UBER_GTID(gtid)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7446)); | |||||||
7447 | ||||||||
7448 | if (root->r.r_begin) | |||||||
7449 | return; | |||||||
7450 | __kmp_acquire_lock(&root->r.r_begin_lock, gtid); | |||||||
7451 | if (root->r.r_begin) { | |||||||
7452 | __kmp_release_lock(&root->r.r_begin_lock, gtid); | |||||||
7453 | return; | |||||||
7454 | } | |||||||
7455 | ||||||||
7456 | root->r.r_begin = TRUE(!0); | |||||||
7457 | ||||||||
7458 | __kmp_release_lock(&root->r.r_begin_lock, gtid); | |||||||
7459 | } | |||||||
7460 | ||||||||
7461 | /* ------------------------------------------------------------------------ */ | |||||||
7462 | ||||||||
7463 | void __kmp_user_set_library(enum library_type arg) { | |||||||
7464 | int gtid; | |||||||
7465 | kmp_root_t *root; | |||||||
7466 | kmp_info_t *thread; | |||||||
7467 | ||||||||
7468 | /* first, make sure we are initialized so we can get our gtid */ | |||||||
7469 | ||||||||
7470 | gtid = __kmp_entry_gtid()__kmp_get_global_thread_id_reg(); | |||||||
7471 | thread = __kmp_threads[gtid]; | |||||||
7472 | ||||||||
7473 | root = thread->th.th_root; | |||||||
7474 | ||||||||
7475 | KA_TRACE(20, ("__kmp_user_set_library: enter T#%d, arg: %d, %d\n", gtid, arg,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_user_set_library: enter T#%d, arg: %d, %d\n" , gtid, arg, library_serial); } | |||||||
7476 | library_serial))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_user_set_library: enter T#%d, arg: %d, %d\n" , gtid, arg, library_serial); }; | |||||||
7477 | if (root->r.r_in_parallel) { /* Must be called in serial section of top-level | |||||||
7478 | thread */ | |||||||
7479 | KMP_WARNING(SetLibraryIncorrectCall)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_SetLibraryIncorrectCall ), __kmp_msg_null); | |||||||
7480 | return; | |||||||
7481 | } | |||||||
7482 | ||||||||
7483 | switch (arg) { | |||||||
7484 | case library_serial: | |||||||
7485 | thread->th.th_set_nproc = 0; | |||||||
7486 | set__nproc(thread, 1)(((thread)->th.th_current_task->td_icvs.nproc) = (1)); | |||||||
7487 | break; | |||||||
7488 | case library_turnaround: | |||||||
7489 | thread->th.th_set_nproc = 0; | |||||||
7490 | set__nproc(thread, __kmp_dflt_team_nth ? __kmp_dflt_team_nth(((thread)->th.th_current_task->td_icvs.nproc) = (__kmp_dflt_team_nth ? __kmp_dflt_team_nth : __kmp_dflt_team_nth_ub)) | |||||||
7491 | : __kmp_dflt_team_nth_ub)(((thread)->th.th_current_task->td_icvs.nproc) = (__kmp_dflt_team_nth ? __kmp_dflt_team_nth : __kmp_dflt_team_nth_ub)); | |||||||
7492 | break; | |||||||
7493 | case library_throughput: | |||||||
7494 | thread->th.th_set_nproc = 0; | |||||||
7495 | set__nproc(thread, __kmp_dflt_team_nth ? __kmp_dflt_team_nth(((thread)->th.th_current_task->td_icvs.nproc) = (__kmp_dflt_team_nth ? __kmp_dflt_team_nth : __kmp_dflt_team_nth_ub)) | |||||||
7496 | : __kmp_dflt_team_nth_ub)(((thread)->th.th_current_task->td_icvs.nproc) = (__kmp_dflt_team_nth ? __kmp_dflt_team_nth : __kmp_dflt_team_nth_ub)); | |||||||
7497 | break; | |||||||
7498 | default: | |||||||
7499 | KMP_FATAL(UnknownLibraryType, arg)__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_UnknownLibraryType, arg), __kmp_msg_null); | |||||||
7500 | } | |||||||
7501 | ||||||||
7502 | __kmp_aux_set_library(arg); | |||||||
7503 | } | |||||||
7504 | ||||||||
7505 | void __kmp_aux_set_stacksize(size_t arg) { | |||||||
7506 | if (!__kmp_init_serial) | |||||||
7507 | __kmp_serial_initialize(); | |||||||
7508 | ||||||||
7509 | #if KMP_OS_DARWIN0 | |||||||
7510 | if (arg & (0x1000 - 1)) { | |||||||
7511 | arg &= ~(0x1000 - 1); | |||||||
7512 | if (arg + 0x1000) /* check for overflow if we round up */ | |||||||
7513 | arg += 0x1000; | |||||||
7514 | } | |||||||
7515 | #endif | |||||||
7516 | __kmp_acquire_bootstrap_lock(&__kmp_initz_lock); | |||||||
7517 | ||||||||
7518 | /* only change the default stacksize before the first parallel region */ | |||||||
7519 | if (!TCR_4(__kmp_init_parallel)(__kmp_init_parallel)) { | |||||||
7520 | size_t value = arg; /* argument is in bytes */ | |||||||
7521 | ||||||||
7522 | if (value < __kmp_sys_min_stksize) | |||||||
7523 | value = __kmp_sys_min_stksize; | |||||||
7524 | else if (value > KMP_MAX_STKSIZE(~((size_t)1 << ((sizeof(size_t) * (1 << 3)) - 1) ))) | |||||||
7525 | value = KMP_MAX_STKSIZE(~((size_t)1 << ((sizeof(size_t) * (1 << 3)) - 1) )); | |||||||
7526 | ||||||||
7527 | __kmp_stksize = value; | |||||||
7528 | ||||||||
7529 | __kmp_env_stksize = TRUE(!0); /* was KMP_STACKSIZE specified? */ | |||||||
7530 | } | |||||||
7531 | ||||||||
7532 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||||||
7533 | } | |||||||
7534 | ||||||||
7535 | /* set the behaviour of the runtime library */ | |||||||
7536 | /* TODO this can cause some odd behaviour with sibling parallelism... */ | |||||||
7537 | void __kmp_aux_set_library(enum library_type arg) { | |||||||
7538 | __kmp_library = arg; | |||||||
7539 | ||||||||
7540 | switch (__kmp_library) { | |||||||
7541 | case library_serial: { | |||||||
7542 | KMP_INFORM(LibraryIsSerial)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_LibraryIsSerial ), __kmp_msg_null); | |||||||
7543 | (void)__kmp_change_library(TRUE(!0)); | |||||||
7544 | } break; | |||||||
7545 | case library_turnaround: | |||||||
7546 | (void)__kmp_change_library(TRUE(!0)); | |||||||
7547 | break; | |||||||
7548 | case library_throughput: | |||||||
7549 | (void)__kmp_change_library(FALSE0); | |||||||
7550 | break; | |||||||
7551 | default: | |||||||
7552 | KMP_FATAL(UnknownLibraryType, arg)__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_UnknownLibraryType, arg), __kmp_msg_null); | |||||||
7553 | } | |||||||
7554 | } | |||||||
7555 | ||||||||
7556 | /* ------------------------------------------------------------------------ */ | |||||||
7557 | ||||||||
7558 | void __kmp_aux_set_blocktime(int arg, kmp_info_t *thread, int tid) { | |||||||
7559 | int blocktime = arg; /* argument is in milliseconds */ | |||||||
7560 | #if KMP_USE_MONITOR | |||||||
7561 | int bt_intervals; | |||||||
7562 | #endif | |||||||
7563 | int bt_set; | |||||||
7564 | ||||||||
7565 | __kmp_save_internal_controls(thread); | |||||||
7566 | ||||||||
7567 | /* Normalize and set blocktime for the teams */ | |||||||
7568 | if (blocktime < KMP_MIN_BLOCKTIME(0)) | |||||||
7569 | blocktime = KMP_MIN_BLOCKTIME(0); | |||||||
7570 | else if (blocktime > KMP_MAX_BLOCKTIME(2147483647)) | |||||||
7571 | blocktime = KMP_MAX_BLOCKTIME(2147483647); | |||||||
7572 | ||||||||
7573 | set__blocktime_team(thread->th.th_team, tid, blocktime)(((thread->th.th_team)->t.t_threads[(tid)]->th.th_current_task ->td_icvs.blocktime) = (blocktime)); | |||||||
7574 | set__blocktime_team(thread->th.th_serial_team, 0, blocktime)(((thread->th.th_serial_team)->t.t_threads[(0)]->th. th_current_task->td_icvs.blocktime) = (blocktime)); | |||||||
7575 | ||||||||
7576 | #if KMP_USE_MONITOR | |||||||
7577 | /* Calculate and set blocktime intervals for the teams */ | |||||||
7578 | bt_intervals = KMP_INTERVALS_FROM_BLOCKTIME(blocktime, __kmp_monitor_wakeups); | |||||||
7579 | ||||||||
7580 | set__bt_intervals_team(thread->th.th_team, tid, bt_intervals); | |||||||
7581 | set__bt_intervals_team(thread->th.th_serial_team, 0, bt_intervals); | |||||||
7582 | #endif | |||||||
7583 | ||||||||
7584 | /* Set whether blocktime has been set to "TRUE" */ | |||||||
7585 | bt_set = TRUE(!0); | |||||||
7586 | ||||||||
7587 | set__bt_set_team(thread->th.th_team, tid, bt_set)(((thread->th.th_team)->t.t_threads[(tid)]->th.th_current_task ->td_icvs.bt_set) = (bt_set)); | |||||||
7588 | set__bt_set_team(thread->th.th_serial_team, 0, bt_set)(((thread->th.th_serial_team)->t.t_threads[(0)]->th. th_current_task->td_icvs.bt_set) = (bt_set)); | |||||||
7589 | #if KMP_USE_MONITOR | |||||||
7590 | KF_TRACE(10, ("kmp_set_blocktime: T#%d(%d:%d), blocktime=%d, "if (kmp_f_debug >= 10) { __kmp_debug_printf ("kmp_set_blocktime: T#%d(%d:%d), blocktime=%d, " "bt_intervals=%d, monitor_updates=%d\n", ((((tid) >= 0 && (thread->th.th_team) != __null) ? 0 : __kmp_debug_assert( "(tid) >= 0 && (thread->th.th_team) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7592)), thread->th.th_team->t.t_threads[(tid)]->th .th_info.ds.ds_gtid), thread->th.th_team->t.t_id, tid, blocktime , bt_intervals, __kmp_monitor_wakeups); } | |||||||
7591 | "bt_intervals=%d, monitor_updates=%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("kmp_set_blocktime: T#%d(%d:%d), blocktime=%d, " "bt_intervals=%d, monitor_updates=%d\n", ((((tid) >= 0 && (thread->th.th_team) != __null) ? 0 : __kmp_debug_assert( "(tid) >= 0 && (thread->th.th_team) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7592)), thread->th.th_team->t.t_threads[(tid)]->th .th_info.ds.ds_gtid), thread->th.th_team->t.t_id, tid, blocktime , bt_intervals, __kmp_monitor_wakeups); } | |||||||
7592 | __kmp_gtid_from_tid(tid, thread->th.th_team),if (kmp_f_debug >= 10) { __kmp_debug_printf ("kmp_set_blocktime: T#%d(%d:%d), blocktime=%d, " "bt_intervals=%d, monitor_updates=%d\n", ((((tid) >= 0 && (thread->th.th_team) != __null) ? 0 : __kmp_debug_assert( "(tid) >= 0 && (thread->th.th_team) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7592)), thread->th.th_team->t.t_threads[(tid)]->th .th_info.ds.ds_gtid), thread->th.th_team->t.t_id, tid, blocktime , bt_intervals, __kmp_monitor_wakeups); } | |||||||
7593 | thread->th.th_team->t.t_id, tid, blocktime, bt_intervals,if (kmp_f_debug >= 10) { __kmp_debug_printf ("kmp_set_blocktime: T#%d(%d:%d), blocktime=%d, " "bt_intervals=%d, monitor_updates=%d\n", ((((tid) >= 0 && (thread->th.th_team) != __null) ? 0 : __kmp_debug_assert( "(tid) >= 0 && (thread->th.th_team) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7592)), thread->th.th_team->t.t_threads[(tid)]->th .th_info.ds.ds_gtid), thread->th.th_team->t.t_id, tid, blocktime , bt_intervals, __kmp_monitor_wakeups); } | |||||||
7594 | __kmp_monitor_wakeups))if (kmp_f_debug >= 10) { __kmp_debug_printf ("kmp_set_blocktime: T#%d(%d:%d), blocktime=%d, " "bt_intervals=%d, monitor_updates=%d\n", ((((tid) >= 0 && (thread->th.th_team) != __null) ? 0 : __kmp_debug_assert( "(tid) >= 0 && (thread->th.th_team) != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7592)), thread->th.th_team->t.t_threads[(tid)]->th .th_info.ds.ds_gtid), thread->th.th_team->t.t_id, tid, blocktime , bt_intervals, __kmp_monitor_wakeups); }; | |||||||
7595 | #else | |||||||
7596 | KF_TRACE(10, ("kmp_set_blocktime: T#%d(%d:%d), blocktime=%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("kmp_set_blocktime: T#%d(%d:%d), blocktime=%d\n" , ((((tid) >= 0 && (thread->th.th_team) != __null ) ? 0 : __kmp_debug_assert("(tid) >= 0 && (thread->th.th_team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7597)), thread->th.th_team->t.t_threads[(tid)]->th .th_info.ds.ds_gtid), thread->th.th_team->t.t_id, tid, blocktime ); } | |||||||
7597 | __kmp_gtid_from_tid(tid, thread->th.th_team),if (kmp_f_debug >= 10) { __kmp_debug_printf ("kmp_set_blocktime: T#%d(%d:%d), blocktime=%d\n" , ((((tid) >= 0 && (thread->th.th_team) != __null ) ? 0 : __kmp_debug_assert("(tid) >= 0 && (thread->th.th_team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7597)), thread->th.th_team->t.t_threads[(tid)]->th .th_info.ds.ds_gtid), thread->th.th_team->t.t_id, tid, blocktime ); } | |||||||
7598 | thread->th.th_team->t.t_id, tid, blocktime))if (kmp_f_debug >= 10) { __kmp_debug_printf ("kmp_set_blocktime: T#%d(%d:%d), blocktime=%d\n" , ((((tid) >= 0 && (thread->th.th_team) != __null ) ? 0 : __kmp_debug_assert("(tid) >= 0 && (thread->th.th_team) != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7597)), thread->th.th_team->t.t_threads[(tid)]->th .th_info.ds.ds_gtid), thread->th.th_team->t.t_id, tid, blocktime ); }; | |||||||
7599 | #endif | |||||||
7600 | } | |||||||
7601 | ||||||||
7602 | void __kmp_aux_set_defaults(char const *str, int len) { | |||||||
7603 | if (!__kmp_init_serial) { | |||||||
7604 | __kmp_serial_initialize(); | |||||||
7605 | } | |||||||
7606 | __kmp_env_initialize(str); | |||||||
7607 | ||||||||
7608 | if (__kmp_settings | |||||||
7609 | #if OMP_40_ENABLED(50 >= 40) | |||||||
7610 | || __kmp_display_env || __kmp_display_env_verbose | |||||||
7611 | #endif // OMP_40_ENABLED | |||||||
7612 | ) { | |||||||
7613 | __kmp_env_print(); | |||||||
7614 | } | |||||||
7615 | } // __kmp_aux_set_defaults | |||||||
7616 | ||||||||
7617 | /* ------------------------------------------------------------------------ */ | |||||||
7618 | /* internal fast reduction routines */ | |||||||
7619 | ||||||||
7620 | PACKED_REDUCTION_METHOD_T | |||||||
7621 | __kmp_determine_reduction_method( | |||||||
7622 | ident_t *loc, kmp_int32 global_tid, kmp_int32 num_vars, size_t reduce_size, | |||||||
7623 | void *reduce_data, void (*reduce_func)(void *lhs_data, void *rhs_data), | |||||||
7624 | kmp_critical_name *lck) { | |||||||
7625 | ||||||||
7626 | // Default reduction method: critical construct ( lck != NULL, like in current | |||||||
7627 | // PAROPT ) | |||||||
7628 | // If ( reduce_data!=NULL && reduce_func!=NULL ): the tree-reduction method | |||||||
7629 | // can be selected by RTL | |||||||
7630 | // If loc->flags contains KMP_IDENT_ATOMIC_REDUCE, the atomic reduce method | |||||||
7631 | // can be selected by RTL | |||||||
7632 | // Finally, it's up to OpenMP RTL to make a decision on which method to select | |||||||
7633 | // among generated by PAROPT. | |||||||
7634 | ||||||||
7635 | PACKED_REDUCTION_METHOD_T retval; | |||||||
7636 | ||||||||
7637 | int team_size; | |||||||
7638 | ||||||||
7639 | KMP_DEBUG_ASSERT(loc)((loc) ? 0 : __kmp_debug_assert("loc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7639)); // it would be nice to test ( loc != 0 ) | |||||||
7640 | KMP_DEBUG_ASSERT(lck)((lck) ? 0 : __kmp_debug_assert("lck", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7640)); // it would be nice to test ( lck != 0 ) | |||||||
7641 | ||||||||
7642 | #define FAST_REDUCTION_ATOMIC_METHOD_GENERATED \ | |||||||
7643 | ((loc->flags & (KMP_IDENT_ATOMIC_REDUCE0x10)) == (KMP_IDENT_ATOMIC_REDUCE0x10)) | |||||||
7644 | #define FAST_REDUCTION_TREE_METHOD_GENERATED ((reduce_data) && (reduce_func)) | |||||||
7645 | ||||||||
7646 | retval = critical_reduce_block; | |||||||
7647 | ||||||||
7648 | // another choice of getting a team size (with 1 dynamic deference) is slower | |||||||
7649 | team_size = __kmp_get_team_num_threads(global_tid)(__kmp_threads[(global_tid)]->th.th_team->t.t_nproc); | |||||||
7650 | if (team_size == 1) { | |||||||
7651 | ||||||||
7652 | retval = empty_reduce_block; | |||||||
7653 | ||||||||
7654 | } else { | |||||||
7655 | ||||||||
7656 | int atomic_available = FAST_REDUCTION_ATOMIC_METHOD_GENERATED; | |||||||
7657 | int tree_available = FAST_REDUCTION_TREE_METHOD_GENERATED; | |||||||
7658 | ||||||||
7659 | #if KMP_ARCH_X86_641 || KMP_ARCH_PPC64(0 || 0) || KMP_ARCH_AARCH640 || KMP_ARCH_MIPS640 | |||||||
7660 | ||||||||
7661 | #if KMP_OS_LINUX1 || KMP_OS_FREEBSD0 || KMP_OS_NETBSD0 || KMP_OS_WINDOWS0 || \ | |||||||
7662 | KMP_OS_DARWIN0 | |||||||
7663 | ||||||||
7664 | int teamsize_cutoff = 4; | |||||||
7665 | ||||||||
7666 | #if KMP_MIC_SUPPORTED((0 || 1) && (1 || 0)) | |||||||
7667 | if (__kmp_mic_type != non_mic) { | |||||||
7668 | teamsize_cutoff = 8; | |||||||
7669 | } | |||||||
7670 | #endif | |||||||
7671 | if (tree_available) { | |||||||
7672 | if (team_size <= teamsize_cutoff) { | |||||||
7673 | if (atomic_available) { | |||||||
7674 | retval = atomic_reduce_block; | |||||||
7675 | } | |||||||
7676 | } else { | |||||||
7677 | retval = TREE_REDUCE_BLOCK_WITH_REDUCTION_BARRIER(((tree_reduce_block) | (bs_reduction_barrier))); | |||||||
7678 | } | |||||||
7679 | } else if (atomic_available) { | |||||||
7680 | retval = atomic_reduce_block; | |||||||
7681 | } | |||||||
7682 | #else | |||||||
7683 | #error "Unknown or unsupported OS" | |||||||
7684 | #endif // KMP_OS_LINUX || KMP_OS_FREEBSD || KMP_OS_NETBSD || KMP_OS_WINDOWS || | |||||||
7685 | // KMP_OS_DARWIN | |||||||
7686 | ||||||||
7687 | #elif KMP_ARCH_X860 || KMP_ARCH_ARM || KMP_ARCH_AARCH || KMP_ARCH_MIPS0 | |||||||
7688 | ||||||||
7689 | #if KMP_OS_LINUX1 || KMP_OS_WINDOWS0 | |||||||
7690 | ||||||||
7691 | // basic tuning | |||||||
7692 | ||||||||
7693 | if (atomic_available) { | |||||||
7694 | if (num_vars <= 2) { // && ( team_size <= 8 ) due to false-sharing ??? | |||||||
7695 | retval = atomic_reduce_block; | |||||||
7696 | } | |||||||
7697 | } // otherwise: use critical section | |||||||
7698 | ||||||||
7699 | #elif KMP_OS_DARWIN0 | |||||||
7700 | ||||||||
7701 | if (atomic_available && (num_vars <= 3)) { | |||||||
7702 | retval = atomic_reduce_block; | |||||||
7703 | } else if (tree_available) { | |||||||
7704 | if ((reduce_size > (9 * sizeof(kmp_real64))) && | |||||||
7705 | (reduce_size < (2000 * sizeof(kmp_real64)))) { | |||||||
7706 | retval = TREE_REDUCE_BLOCK_WITH_PLAIN_BARRIER(((tree_reduce_block) | (bs_plain_barrier))); | |||||||
7707 | } | |||||||
7708 | } // otherwise: use critical section | |||||||
7709 | ||||||||
7710 | #else | |||||||
7711 | #error "Unknown or unsupported OS" | |||||||
7712 | #endif | |||||||
7713 | ||||||||
7714 | #else | |||||||
7715 | #error "Unknown or unsupported architecture" | |||||||
7716 | #endif | |||||||
7717 | } | |||||||
7718 | ||||||||
7719 | // KMP_FORCE_REDUCTION | |||||||
7720 | ||||||||
7721 | // If the team is serialized (team_size == 1), ignore the forced reduction | |||||||
7722 | // method and stay with the unsynchronized method (empty_reduce_block) | |||||||
7723 | if (__kmp_force_reduction_method != reduction_method_not_defined && | |||||||
7724 | team_size != 1) { | |||||||
7725 | ||||||||
7726 | PACKED_REDUCTION_METHOD_T forced_retval = critical_reduce_block; | |||||||
7727 | ||||||||
7728 | int atomic_available, tree_available; | |||||||
7729 | ||||||||
7730 | switch ((forced_retval = __kmp_force_reduction_method)) { | |||||||
7731 | case critical_reduce_block: | |||||||
7732 | KMP_ASSERT(lck)((lck) ? 0 : __kmp_debug_assert("lck", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7732)); // lck should be != 0 | |||||||
7733 | break; | |||||||
7734 | ||||||||
7735 | case atomic_reduce_block: | |||||||
7736 | atomic_available = FAST_REDUCTION_ATOMIC_METHOD_GENERATED; | |||||||
7737 | if (!atomic_available) { | |||||||
7738 | KMP_WARNING(RedMethodNotSupported, "atomic")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_RedMethodNotSupported , "atomic"), __kmp_msg_null); | |||||||
7739 | forced_retval = critical_reduce_block; | |||||||
7740 | } | |||||||
7741 | break; | |||||||
7742 | ||||||||
7743 | case tree_reduce_block: | |||||||
7744 | tree_available = FAST_REDUCTION_TREE_METHOD_GENERATED; | |||||||
7745 | if (!tree_available) { | |||||||
7746 | KMP_WARNING(RedMethodNotSupported, "tree")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_RedMethodNotSupported , "tree"), __kmp_msg_null); | |||||||
7747 | forced_retval = critical_reduce_block; | |||||||
7748 | } else { | |||||||
7749 | #if KMP_FAST_REDUCTION_BARRIER1 | |||||||
7750 | forced_retval = TREE_REDUCE_BLOCK_WITH_REDUCTION_BARRIER(((tree_reduce_block) | (bs_reduction_barrier))); | |||||||
7751 | #endif | |||||||
7752 | } | |||||||
7753 | break; | |||||||
7754 | ||||||||
7755 | default: | |||||||
7756 | KMP_ASSERT(0)((0) ? 0 : __kmp_debug_assert("0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_runtime.cpp" , 7756)); // "unsupported method specified" | |||||||
7757 | } | |||||||
7758 | ||||||||
7759 | retval = forced_retval; | |||||||
7760 | } | |||||||
7761 | ||||||||
7762 | KA_TRACE(10, ("reduction method selected=%08x\n", retval))if (kmp_a_debug >= 10) { __kmp_debug_printf ("reduction method selected=%08x\n" , retval); }; | |||||||
7763 | ||||||||
7764 | #undef FAST_REDUCTION_TREE_METHOD_GENERATED | |||||||
7765 | #undef FAST_REDUCTION_ATOMIC_METHOD_GENERATED | |||||||
7766 | ||||||||
7767 | return (retval); | |||||||
7768 | } | |||||||
7769 | ||||||||
7770 | // this function is for testing set/get/determine reduce method | |||||||
7771 | kmp_int32 __kmp_get_reduce_method(void) { | |||||||
7772 | return ((__kmp_entry_thread()->th.th_local.packed_reduction_method) >> 8); | |||||||
7773 | } |