| File: | build/source/openmp/runtime/src/kmp_runtime.cpp |
| Warning: | line 8108, column 3 Dereference of null pointer |
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| 1 | /* | |||
| 2 | * kmp_runtime.cpp -- KPTS runtime support library | |||
| 3 | */ | |||
| 4 | ||||
| 5 | //===----------------------------------------------------------------------===// | |||
| 6 | // | |||
| 7 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |||
| 8 | // See https://llvm.org/LICENSE.txt for license information. | |||
| 9 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |||
| 10 | // | |||
| 11 | //===----------------------------------------------------------------------===// | |||
| 12 | ||||
| 13 | #include "kmp.h" | |||
| 14 | #include "kmp_affinity.h" | |||
| 15 | #include "kmp_atomic.h" | |||
| 16 | #include "kmp_environment.h" | |||
| 17 | #include "kmp_error.h" | |||
| 18 | #include "kmp_i18n.h" | |||
| 19 | #include "kmp_io.h" | |||
| 20 | #include "kmp_itt.h" | |||
| 21 | #include "kmp_settings.h" | |||
| 22 | #include "kmp_stats.h" | |||
| 23 | #include "kmp_str.h" | |||
| 24 | #include "kmp_wait_release.h" | |||
| 25 | #include "kmp_wrapper_getpid.h" | |||
| 26 | #include "kmp_dispatch.h" | |||
| 27 | #if KMP_USE_HIER_SCHED0 | |||
| 28 | #include "kmp_dispatch_hier.h" | |||
| 29 | #endif | |||
| 30 | ||||
| 31 | #if OMPT_SUPPORT1 | |||
| 32 | #include "ompt-specific.h" | |||
| 33 | #endif | |||
| 34 | #if OMPD_SUPPORT1 | |||
| 35 | #include "ompd-specific.h" | |||
| 36 | #endif | |||
| 37 | ||||
| 38 | #if OMP_PROFILING_SUPPORT0 | |||
| 39 | #include "llvm/Support/TimeProfiler.h" | |||
| 40 | static char *ProfileTraceFile = nullptr; | |||
| 41 | #endif | |||
| 42 | ||||
| 43 | /* these are temporary issues to be dealt with */ | |||
| 44 | #define KMP_USE_PRCTL0 0 | |||
| 45 | ||||
| 46 | #if KMP_OS_WINDOWS0 | |||
| 47 | #include <process.h> | |||
| 48 | #endif | |||
| 49 | ||||
| 50 | #if KMP_OS_WINDOWS0 | |||
| 51 | // windows does not need include files as it doesn't use shared memory | |||
| 52 | #else | |||
| 53 | #include <sys/mman.h> | |||
| 54 | #include <sys/stat.h> | |||
| 55 | #include <fcntl.h> | |||
| 56 | #define SHM_SIZE1024 1024 | |||
| 57 | #endif | |||
| 58 | ||||
| 59 | #if defined(KMP_GOMP_COMPAT) | |||
| 60 | char const __kmp_version_alt_comp[] = | |||
| 61 | KMP_VERSION_PREFIX"\x00@(#) " "LLVM OMP " "alternative compiler support: yes"; | |||
| 62 | #endif /* defined(KMP_GOMP_COMPAT) */ | |||
| 63 | ||||
| 64 | char const __kmp_version_omp_api[] = | |||
| 65 | KMP_VERSION_PREFIX"\x00@(#) " "LLVM OMP " "API version: 5.0 (201611)"; | |||
| 66 | ||||
| 67 | #ifdef KMP_DEBUG1 | |||
| 68 | char const __kmp_version_lock[] = | |||
| 69 | KMP_VERSION_PREFIX"\x00@(#) " "LLVM OMP " "lock type: run time selectable"; | |||
| 70 | #endif /* KMP_DEBUG */ | |||
| 71 | ||||
| 72 | #define KMP_MIN(x, y)((x) < (y) ? (x) : (y)) ((x) < (y) ? (x) : (y)) | |||
| 73 | ||||
| 74 | /* ------------------------------------------------------------------------ */ | |||
| 75 | ||||
| 76 | #if KMP_USE_MONITOR | |||
| 77 | kmp_info_t __kmp_monitor; | |||
| 78 | #endif | |||
| 79 | ||||
| 80 | /* Forward declarations */ | |||
| 81 | ||||
| 82 | void __kmp_cleanup(void); | |||
| 83 | ||||
| 84 | static void __kmp_initialize_info(kmp_info_t *, kmp_team_t *, int tid, | |||
| 85 | int gtid); | |||
| 86 | static void __kmp_initialize_team(kmp_team_t *team, int new_nproc, | |||
| 87 | kmp_internal_control_t *new_icvs, | |||
| 88 | ident_t *loc); | |||
| 89 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 90 | static void __kmp_partition_places(kmp_team_t *team, | |||
| 91 | int update_master_only = 0); | |||
| 92 | #endif | |||
| 93 | static void __kmp_do_serial_initialize(void); | |||
| 94 | void __kmp_fork_barrier(int gtid, int tid); | |||
| 95 | void __kmp_join_barrier(int gtid); | |||
| 96 | void __kmp_setup_icv_copy(kmp_team_t *team, int new_nproc, | |||
| 97 | kmp_internal_control_t *new_icvs, ident_t *loc); | |||
| 98 | ||||
| 99 | #ifdef USE_LOAD_BALANCE1 | |||
| 100 | static int __kmp_load_balance_nproc(kmp_root_t *root, int set_nproc); | |||
| 101 | #endif | |||
| 102 | ||||
| 103 | static int __kmp_expand_threads(int nNeed); | |||
| 104 | #if KMP_OS_WINDOWS0 | |||
| 105 | static int __kmp_unregister_root_other_thread(int gtid); | |||
| 106 | #endif | |||
| 107 | static void __kmp_reap_thread(kmp_info_t *thread, int is_root); | |||
| 108 | kmp_info_t *__kmp_thread_pool_insert_pt = NULL__null; | |||
| 109 | ||||
| 110 | void __kmp_resize_dist_barrier(kmp_team_t *team, int old_nthreads, | |||
| 111 | int new_nthreads); | |||
| 112 | void __kmp_add_threads_to_team(kmp_team_t *team, int new_nthreads); | |||
| 113 | ||||
| 114 | /* Calculate the identifier of the current thread */ | |||
| 115 | /* fast (and somewhat portable) way to get unique identifier of executing | |||
| 116 | thread. Returns KMP_GTID_DNE if we haven't been assigned a gtid. */ | |||
| 117 | int __kmp_get_global_thread_id() { | |||
| 118 | int i; | |||
| 119 | kmp_info_t **other_threads; | |||
| 120 | size_t stack_data; | |||
| 121 | char *stack_addr; | |||
| 122 | size_t stack_size; | |||
| 123 | char *stack_base; | |||
| 124 | ||||
| 125 | 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); } | |||
| 126 | 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); } | |||
| 127 | ("*** __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); } | |||
| 128 | __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); }; | |||
| 129 | ||||
| 130 | /* JPH - to handle the case where __kmpc_end(0) is called immediately prior to | |||
| 131 | a parallel region, made it return KMP_GTID_DNE to force serial_initialize | |||
| 132 | by caller. Had to handle KMP_GTID_DNE at all call-sites, or else guarantee | |||
| 133 | __kmp_init_gtid for this to work. */ | |||
| 134 | ||||
| 135 | if (!TCR_4(__kmp_init_gtid)(__kmp_init_gtid)) | |||
| 136 | return KMP_GTID_DNE(-2); | |||
| 137 | ||||
| 138 | #ifdef KMP_TDATA_GTID1 | |||
| 139 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) >= 3) { | |||
| 140 | 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" ); }; | |||
| 141 | return __kmp_gtid; | |||
| 142 | } | |||
| 143 | #endif | |||
| 144 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) >= 2) { | |||
| 145 | 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" ); }; | |||
| 146 | return __kmp_gtid_get_specific(); | |||
| 147 | } | |||
| 148 | 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" ); }; | |||
| 149 | ||||
| 150 | stack_addr = (char *)&stack_data; | |||
| 151 | other_threads = __kmp_threads; | |||
| 152 | ||||
| 153 | /* ATT: The code below is a source of potential bugs due to unsynchronized | |||
| 154 | access to __kmp_threads array. For example: | |||
| 155 | 1. Current thread loads other_threads[i] to thr and checks it, it is | |||
| 156 | non-NULL. | |||
| 157 | 2. Current thread is suspended by OS. | |||
| 158 | 3. Another thread unregisters and finishes (debug versions of free() | |||
| 159 | may fill memory with something like 0xEF). | |||
| 160 | 4. Current thread is resumed. | |||
| 161 | 5. Current thread reads junk from *thr. | |||
| 162 | TODO: Fix it. --ln */ | |||
| 163 | ||||
| 164 | for (i = 0; i < __kmp_threads_capacity; i++) { | |||
| 165 | ||||
| 166 | kmp_info_t *thr = (kmp_info_t *)TCR_SYNC_PTR(other_threads[i])((void *)(other_threads[i])); | |||
| 167 | if (!thr) | |||
| 168 | continue; | |||
| 169 | ||||
| 170 | stack_size = (size_t)TCR_PTR(thr->th.th_info.ds.ds_stacksize)((void *)(thr->th.th_info.ds.ds_stacksize)); | |||
| 171 | stack_base = (char *)TCR_PTR(thr->th.th_info.ds.ds_stackbase)((void *)(thr->th.th_info.ds.ds_stackbase)); | |||
| 172 | ||||
| 173 | /* stack grows down -- search through all of the active threads */ | |||
| 174 | ||||
| 175 | if (stack_addr <= stack_base) { | |||
| 176 | size_t stack_diff = stack_base - stack_addr; | |||
| 177 | ||||
| 178 | if (stack_diff <= stack_size) { | |||
| 179 | /* The only way we can be closer than the allocated */ | |||
| 180 | /* stack size is if we are running on this thread. */ | |||
| 181 | KMP_DEBUG_ASSERT(__kmp_gtid_get_specific() == i)if (!(__kmp_gtid_get_specific() == i)) { __kmp_debug_assert("__kmp_gtid_get_specific() == i" , "openmp/runtime/src/kmp_runtime.cpp", 181); }; | |||
| 182 | return i; | |||
| 183 | } | |||
| 184 | } | |||
| 185 | } | |||
| 186 | ||||
| 187 | /* get specific to try and determine our gtid */ | |||
| 188 | 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"); } | |||
| 189 | ("*** __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"); } | |||
| 190 | "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"); }; | |||
| 191 | i = __kmp_gtid_get_specific(); | |||
| 192 | ||||
| 193 | /*fprintf( stderr, "=== %d\n", i ); */ /* GROO */ | |||
| 194 | ||||
| 195 | /* if we havn't been assigned a gtid, then return code */ | |||
| 196 | if (i < 0) | |||
| 197 | return i; | |||
| 198 | ||||
| 199 | /* dynamically updated stack window for uber threads to avoid get_specific | |||
| 200 | call */ | |||
| 201 | if (!TCR_4(other_threads[i]->th.th_info.ds.ds_stackgrow)(other_threads[i]->th.th_info.ds.ds_stackgrow)) { | |||
| 202 | KMP_FATAL(StackOverflow, i)__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_StackOverflow, i), __kmp_msg_null ); | |||
| 203 | } | |||
| 204 | ||||
| 205 | stack_base = (char *)other_threads[i]->th.th_info.ds.ds_stackbase; | |||
| 206 | if (stack_addr > stack_base) { | |||
| 207 | TCW_PTR(other_threads[i]->th.th_info.ds.ds_stackbase, stack_addr)((other_threads[i]->th.th_info.ds.ds_stackbase)) = ((stack_addr )); | |||
| 208 | 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) ) | |||
| 209 | 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) ) | |||
| 210 | stack_base)((other_threads[i]->th.th_info.ds.ds_stacksize)) = ((other_threads [i]->th.th_info.ds.ds_stacksize + stack_addr - stack_base) ); | |||
| 211 | } else { | |||
| 212 | TCW_PTR(other_threads[i]->th.th_info.ds.ds_stacksize,((other_threads[i]->th.th_info.ds.ds_stacksize)) = ((stack_base - stack_addr)) | |||
| 213 | stack_base - stack_addr)((other_threads[i]->th.th_info.ds.ds_stacksize)) = ((stack_base - stack_addr)); | |||
| 214 | } | |||
| 215 | ||||
| 216 | /* Reprint stack bounds for ubermaster since they have been refined */ | |||
| 217 | if (__kmp_storage_map) { | |||
| 218 | char *stack_end = (char *)other_threads[i]->th.th_info.ds.ds_stackbase; | |||
| 219 | char *stack_beg = stack_end - other_threads[i]->th.th_info.ds.ds_stacksize; | |||
| 220 | __kmp_print_storage_map_gtid(i, stack_beg, stack_end, | |||
| 221 | other_threads[i]->th.th_info.ds.ds_stacksize, | |||
| 222 | "th_%d stack (refinement)", i); | |||
| 223 | } | |||
| 224 | return i; | |||
| 225 | } | |||
| 226 | ||||
| 227 | int __kmp_get_global_thread_id_reg() { | |||
| 228 | int gtid; | |||
| 229 | ||||
| 230 | if (!__kmp_init_serial) { | |||
| 231 | gtid = KMP_GTID_DNE(-2); | |||
| 232 | } else | |||
| 233 | #ifdef KMP_TDATA_GTID1 | |||
| 234 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) >= 3) { | |||
| 235 | 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" ); }; | |||
| 236 | gtid = __kmp_gtid; | |||
| 237 | } else | |||
| 238 | #endif | |||
| 239 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) >= 2) { | |||
| 240 | 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" ); }; | |||
| 241 | gtid = __kmp_gtid_get_specific(); | |||
| 242 | } else { | |||
| 243 | KA_TRACE(1000,if (kmp_a_debug >= 1000) { __kmp_debug_printf ("*** __kmp_get_global_thread_id_reg: using internal alg.\n" ); } | |||
| 244 | ("*** __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" ); }; | |||
| 245 | gtid = __kmp_get_global_thread_id(); | |||
| 246 | } | |||
| 247 | ||||
| 248 | /* we must be a new uber master sibling thread */ | |||
| 249 | if (gtid == KMP_GTID_DNE(-2)) { | |||
| 250 | 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"); } | |||
| 251 | ("__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"); } | |||
| 252 | "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"); }; | |||
| 253 | __kmp_acquire_bootstrap_lock(&__kmp_initz_lock); | |||
| 254 | if (!__kmp_init_serial) { | |||
| 255 | __kmp_do_serial_initialize(); | |||
| 256 | gtid = __kmp_gtid_get_specific(); | |||
| 257 | } else { | |||
| 258 | gtid = __kmp_register_root(FALSE0); | |||
| 259 | } | |||
| 260 | __kmp_release_bootstrap_lock(&__kmp_initz_lock); | |||
| 261 | /*__kmp_printf( "+++ %d\n", gtid ); */ /* GROO */ | |||
| 262 | } | |||
| 263 | ||||
| 264 | KMP_DEBUG_ASSERT(gtid >= 0)if (!(gtid >= 0)) { __kmp_debug_assert("gtid >= 0", "openmp/runtime/src/kmp_runtime.cpp" , 264); }; | |||
| 265 | ||||
| 266 | return gtid; | |||
| 267 | } | |||
| 268 | ||||
| 269 | /* caller must hold forkjoin_lock */ | |||
| 270 | void __kmp_check_stack_overlap(kmp_info_t *th) { | |||
| 271 | int f; | |||
| 272 | char *stack_beg = NULL__null; | |||
| 273 | char *stack_end = NULL__null; | |||
| 274 | int gtid; | |||
| 275 | ||||
| 276 | KA_TRACE(10, ("__kmp_check_stack_overlap: called\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_check_stack_overlap: called\n" ); }; | |||
| 277 | if (__kmp_storage_map) { | |||
| 278 | stack_end = (char *)th->th.th_info.ds.ds_stackbase; | |||
| 279 | stack_beg = stack_end - th->th.th_info.ds.ds_stacksize; | |||
| 280 | ||||
| 281 | gtid = __kmp_gtid_from_thread(th); | |||
| 282 | ||||
| 283 | if (gtid == KMP_GTID_MONITOR(-4)) { | |||
| 284 | __kmp_print_storage_map_gtid( | |||
| 285 | gtid, stack_beg, stack_end, th->th.th_info.ds.ds_stacksize, | |||
| 286 | "th_%s stack (%s)", "mon", | |||
| 287 | (th->th.th_info.ds.ds_stackgrow) ? "initial" : "actual"); | |||
| 288 | } else { | |||
| 289 | __kmp_print_storage_map_gtid( | |||
| 290 | gtid, stack_beg, stack_end, th->th.th_info.ds.ds_stacksize, | |||
| 291 | "th_%d stack (%s)", gtid, | |||
| 292 | (th->th.th_info.ds.ds_stackgrow) ? "initial" : "actual"); | |||
| 293 | } | |||
| 294 | } | |||
| 295 | ||||
| 296 | /* No point in checking ubermaster threads since they use refinement and | |||
| 297 | * cannot overlap */ | |||
| 298 | gtid = __kmp_gtid_from_thread(th); | |||
| 299 | if (__kmp_env_checks == TRUE(!0) && !KMP_UBER_GTID(gtid)) { | |||
| 300 | KA_TRACE(10,if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_check_stack_overlap: performing extensive checking\n" ); } | |||
| 301 | ("__kmp_check_stack_overlap: performing extensive checking\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_check_stack_overlap: performing extensive checking\n" ); }; | |||
| 302 | if (stack_beg == NULL__null) { | |||
| 303 | stack_end = (char *)th->th.th_info.ds.ds_stackbase; | |||
| 304 | stack_beg = stack_end - th->th.th_info.ds.ds_stacksize; | |||
| 305 | } | |||
| 306 | ||||
| 307 | for (f = 0; f < __kmp_threads_capacity; f++) { | |||
| 308 | kmp_info_t *f_th = (kmp_info_t *)TCR_SYNC_PTR(__kmp_threads[f])((void *)(__kmp_threads[f])); | |||
| 309 | ||||
| 310 | if (f_th && f_th != th) { | |||
| 311 | char *other_stack_end = | |||
| 312 | (char *)TCR_PTR(f_th->th.th_info.ds.ds_stackbase)((void *)(f_th->th.th_info.ds.ds_stackbase)); | |||
| 313 | char *other_stack_beg = | |||
| 314 | other_stack_end - (size_t)TCR_PTR(f_th->th.th_info.ds.ds_stacksize)((void *)(f_th->th.th_info.ds.ds_stacksize)); | |||
| 315 | if ((stack_beg > other_stack_beg && stack_beg < other_stack_end) || | |||
| 316 | (stack_end > other_stack_beg && stack_end < other_stack_end)) { | |||
| 317 | ||||
| 318 | /* Print the other stack values before the abort */ | |||
| 319 | if (__kmp_storage_map) | |||
| 320 | __kmp_print_storage_map_gtid( | |||
| 321 | -1, other_stack_beg, other_stack_end, | |||
| 322 | (size_t)TCR_PTR(f_th->th.th_info.ds.ds_stacksize)((void *)(f_th->th.th_info.ds.ds_stacksize)), | |||
| 323 | "th_%d stack (overlapped)", __kmp_gtid_from_thread(f_th)); | |||
| 324 | ||||
| 325 | __kmp_fatal(KMP_MSG(StackOverlap)__kmp_msg_format(kmp_i18n_msg_StackOverlap), KMP_HNT(ChangeStackLimit)__kmp_msg_format(kmp_i18n_hnt_ChangeStackLimit), | |||
| 326 | __kmp_msg_null); | |||
| 327 | } | |||
| 328 | } | |||
| 329 | } | |||
| 330 | } | |||
| 331 | KA_TRACE(10, ("__kmp_check_stack_overlap: returning\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("__kmp_check_stack_overlap: returning\n" ); }; | |||
| 332 | } | |||
| 333 | ||||
| 334 | /* ------------------------------------------------------------------------ */ | |||
| 335 | ||||
| 336 | void __kmp_infinite_loop(void) { | |||
| 337 | static int done = FALSE0; | |||
| 338 | ||||
| 339 | while (!done) { | |||
| 340 | KMP_YIELD(TRUE){ __kmp_x86_pause(); if (((!0)) && (((__kmp_use_yield == 1) || (__kmp_use_yield == 2 && (((__kmp_nth) > (__kmp_avail_proc ? __kmp_avail_proc : __kmp_xproc))))))) __kmp_yield (); }; | |||
| 341 | } | |||
| 342 | } | |||
| 343 | ||||
| 344 | #define MAX_MESSAGE512 512 | |||
| 345 | ||||
| 346 | void __kmp_print_storage_map_gtid(int gtid, void *p1, void *p2, size_t size, | |||
| 347 | char const *format, ...) { | |||
| 348 | char buffer[MAX_MESSAGE512]; | |||
| 349 | va_list ap; | |||
| 350 | ||||
| 351 | va_start(ap, format)__builtin_va_start(ap, format); | |||
| 352 | KMP_SNPRINTFsnprintf(buffer, sizeof(buffer), "OMP storage map: %p %p%8lu %s\n", p1, | |||
| 353 | p2, (unsigned long)size, format); | |||
| 354 | __kmp_acquire_bootstrap_lock(&__kmp_stdio_lock); | |||
| 355 | __kmp_vprintf(kmp_err, buffer, ap); | |||
| 356 | #if KMP_PRINT_DATA_PLACEMENT | |||
| 357 | int node; | |||
| 358 | if (gtid >= 0) { | |||
| 359 | if (p1 <= p2 && (char *)p2 - (char *)p1 == size) { | |||
| 360 | if (__kmp_storage_map_verbose) { | |||
| 361 | node = __kmp_get_host_node(p1); | |||
| 362 | if (node < 0) /* doesn't work, so don't try this next time */ | |||
| 363 | __kmp_storage_map_verbose = FALSE0; | |||
| 364 | else { | |||
| 365 | char *last; | |||
| 366 | int lastNode; | |||
| 367 | int localProc = __kmp_get_cpu_from_gtid(gtid); | |||
| 368 | ||||
| 369 | const int page_size = KMP_GET_PAGE_SIZE()getpagesize(); | |||
| 370 | ||||
| 371 | p1 = (void *)((size_t)p1 & ~((size_t)page_size - 1)); | |||
| 372 | p2 = (void *)(((size_t)p2 - 1) & ~((size_t)page_size - 1)); | |||
| 373 | if (localProc >= 0) | |||
| 374 | __kmp_printf_no_lock(" GTID %d localNode %d\n", gtid, | |||
| 375 | localProc >> 1); | |||
| 376 | else | |||
| 377 | __kmp_printf_no_lock(" GTID %d\n", gtid); | |||
| 378 | #if KMP_USE_PRCTL0 | |||
| 379 | /* The more elaborate format is disabled for now because of the prctl | |||
| 380 | * hanging bug. */ | |||
| 381 | do { | |||
| 382 | last = p1; | |||
| 383 | lastNode = node; | |||
| 384 | /* This loop collates adjacent pages with the same host node. */ | |||
| 385 | do { | |||
| 386 | (char *)p1 += page_size; | |||
| 387 | } while (p1 <= p2 && (node = __kmp_get_host_node(p1)) == lastNode); | |||
| 388 | __kmp_printf_no_lock(" %p-%p memNode %d\n", last, (char *)p1 - 1, | |||
| 389 | lastNode); | |||
| 390 | } while (p1 <= p2); | |||
| 391 | #else | |||
| 392 | __kmp_printf_no_lock(" %p-%p memNode %d\n", p1, | |||
| 393 | (char *)p1 + (page_size - 1), | |||
| 394 | __kmp_get_host_node(p1)); | |||
| 395 | if (p1 < p2) { | |||
| 396 | __kmp_printf_no_lock(" %p-%p memNode %d\n", p2, | |||
| 397 | (char *)p2 + (page_size - 1), | |||
| 398 | __kmp_get_host_node(p2)); | |||
| 399 | } | |||
| 400 | #endif | |||
| 401 | } | |||
| 402 | } | |||
| 403 | } else | |||
| 404 | __kmp_printf_no_lock(" %s\n", KMP_I18N_STR(StorageMapWarning)__kmp_i18n_catgets(kmp_i18n_str_StorageMapWarning)); | |||
| 405 | } | |||
| 406 | #endif /* KMP_PRINT_DATA_PLACEMENT */ | |||
| 407 | __kmp_release_bootstrap_lock(&__kmp_stdio_lock); | |||
| 408 | } | |||
| 409 | ||||
| 410 | void __kmp_warn(char const *format, ...) { | |||
| 411 | char buffer[MAX_MESSAGE512]; | |||
| 412 | va_list ap; | |||
| 413 | ||||
| 414 | if (__kmp_generate_warnings == kmp_warnings_off) { | |||
| 415 | return; | |||
| 416 | } | |||
| 417 | ||||
| 418 | va_start(ap, format)__builtin_va_start(ap, format); | |||
| 419 | ||||
| 420 | KMP_SNPRINTFsnprintf(buffer, sizeof(buffer), "OMP warning: %s\n", format); | |||
| 421 | __kmp_acquire_bootstrap_lock(&__kmp_stdio_lock); | |||
| 422 | __kmp_vprintf(kmp_err, buffer, ap); | |||
| 423 | __kmp_release_bootstrap_lock(&__kmp_stdio_lock); | |||
| 424 | ||||
| 425 | va_end(ap)__builtin_va_end(ap); | |||
| 426 | } | |||
| 427 | ||||
| 428 | void __kmp_abort_process() { | |||
| 429 | // Later threads may stall here, but that's ok because abort() will kill them. | |||
| 430 | __kmp_acquire_bootstrap_lock(&__kmp_exit_lock); | |||
| 431 | ||||
| 432 | if (__kmp_debug_buf) { | |||
| 433 | __kmp_dump_debug_buffer(); | |||
| 434 | } | |||
| 435 | ||||
| 436 | if (KMP_OS_WINDOWS0) { | |||
| 437 | // Let other threads know of abnormal termination and prevent deadlock | |||
| 438 | // if abort happened during library initialization or shutdown | |||
| 439 | __kmp_global.g.g_abort = SIGABRT6; | |||
| 440 | ||||
| 441 | /* On Windows* OS by default abort() causes pop-up error box, which stalls | |||
| 442 | nightly testing. Unfortunately, we cannot reliably suppress pop-up error | |||
| 443 | boxes. _set_abort_behavior() works well, but this function is not | |||
| 444 | available in VS7 (this is not problem for DLL, but it is a problem for | |||
| 445 | static OpenMP RTL). SetErrorMode (and so, timelimit utility) does not | |||
| 446 | help, at least in some versions of MS C RTL. | |||
| 447 | ||||
| 448 | It seems following sequence is the only way to simulate abort() and | |||
| 449 | avoid pop-up error box. */ | |||
| 450 | raise(SIGABRT6); | |||
| 451 | _exit(3); // Just in case, if signal ignored, exit anyway. | |||
| 452 | } else { | |||
| 453 | __kmp_unregister_library(); | |||
| 454 | abort(); | |||
| 455 | } | |||
| 456 | ||||
| 457 | __kmp_infinite_loop(); | |||
| 458 | __kmp_release_bootstrap_lock(&__kmp_exit_lock); | |||
| 459 | ||||
| 460 | } // __kmp_abort_process | |||
| 461 | ||||
| 462 | void __kmp_abort_thread(void) { | |||
| 463 | // TODO: Eliminate g_abort global variable and this function. | |||
| 464 | // In case of abort just call abort(), it will kill all the threads. | |||
| 465 | __kmp_infinite_loop(); | |||
| 466 | } // __kmp_abort_thread | |||
| 467 | ||||
| 468 | /* Print out the storage map for the major kmp_info_t thread data structures | |||
| 469 | that are allocated together. */ | |||
| 470 | ||||
| 471 | static void __kmp_print_thread_storage_map(kmp_info_t *thr, int gtid) { | |||
| 472 | __kmp_print_storage_map_gtid(gtid, thr, thr + 1, sizeof(kmp_info_t), "th_%d", | |||
| 473 | gtid); | |||
| 474 | ||||
| 475 | __kmp_print_storage_map_gtid(gtid, &thr->th.th_info, &thr->th.th_team, | |||
| 476 | sizeof(kmp_desc_t), "th_%d.th_info", gtid); | |||
| 477 | ||||
| 478 | __kmp_print_storage_map_gtid(gtid, &thr->th.th_local, &thr->th.th_pri_head, | |||
| 479 | sizeof(kmp_local_t), "th_%d.th_local", gtid); | |||
| 480 | ||||
| 481 | __kmp_print_storage_map_gtid( | |||
| 482 | gtid, &thr->th.th_bar[0], &thr->th.th_bar[bs_last_barrier], | |||
| 483 | sizeof(kmp_balign_t) * bs_last_barrier, "th_%d.th_bar", gtid); | |||
| 484 | ||||
| 485 | __kmp_print_storage_map_gtid(gtid, &thr->th.th_bar[bs_plain_barrier], | |||
| 486 | &thr->th.th_bar[bs_plain_barrier + 1], | |||
| 487 | sizeof(kmp_balign_t), "th_%d.th_bar[plain]", | |||
| 488 | gtid); | |||
| 489 | ||||
| 490 | __kmp_print_storage_map_gtid(gtid, &thr->th.th_bar[bs_forkjoin_barrier], | |||
| 491 | &thr->th.th_bar[bs_forkjoin_barrier + 1], | |||
| 492 | sizeof(kmp_balign_t), "th_%d.th_bar[forkjoin]", | |||
| 493 | gtid); | |||
| 494 | ||||
| 495 | #if KMP_FAST_REDUCTION_BARRIER1 | |||
| 496 | __kmp_print_storage_map_gtid(gtid, &thr->th.th_bar[bs_reduction_barrier], | |||
| 497 | &thr->th.th_bar[bs_reduction_barrier + 1], | |||
| 498 | sizeof(kmp_balign_t), "th_%d.th_bar[reduction]", | |||
| 499 | gtid); | |||
| 500 | #endif // KMP_FAST_REDUCTION_BARRIER | |||
| 501 | } | |||
| 502 | ||||
| 503 | /* Print out the storage map for the major kmp_team_t team data structures | |||
| 504 | that are allocated together. */ | |||
| 505 | ||||
| 506 | static void __kmp_print_team_storage_map(const char *header, kmp_team_t *team, | |||
| 507 | int team_id, int num_thr) { | |||
| 508 | int num_disp_buff = team->t.t_max_nproc > 1 ? __kmp_dispatch_num_buffers : 2; | |||
| 509 | __kmp_print_storage_map_gtid(-1, team, team + 1, sizeof(kmp_team_t), "%s_%d", | |||
| 510 | header, team_id); | |||
| 511 | ||||
| 512 | __kmp_print_storage_map_gtid(-1, &team->t.t_bar[0], | |||
| 513 | &team->t.t_bar[bs_last_barrier], | |||
| 514 | sizeof(kmp_balign_team_t) * bs_last_barrier, | |||
| 515 | "%s_%d.t_bar", header, team_id); | |||
| 516 | ||||
| 517 | __kmp_print_storage_map_gtid(-1, &team->t.t_bar[bs_plain_barrier], | |||
| 518 | &team->t.t_bar[bs_plain_barrier + 1], | |||
| 519 | sizeof(kmp_balign_team_t), "%s_%d.t_bar[plain]", | |||
| 520 | header, team_id); | |||
| 521 | ||||
| 522 | __kmp_print_storage_map_gtid(-1, &team->t.t_bar[bs_forkjoin_barrier], | |||
| 523 | &team->t.t_bar[bs_forkjoin_barrier + 1], | |||
| 524 | sizeof(kmp_balign_team_t), | |||
| 525 | "%s_%d.t_bar[forkjoin]", header, team_id); | |||
| 526 | ||||
| 527 | #if KMP_FAST_REDUCTION_BARRIER1 | |||
| 528 | __kmp_print_storage_map_gtid(-1, &team->t.t_bar[bs_reduction_barrier], | |||
| 529 | &team->t.t_bar[bs_reduction_barrier + 1], | |||
| 530 | sizeof(kmp_balign_team_t), | |||
| 531 | "%s_%d.t_bar[reduction]", header, team_id); | |||
| 532 | #endif // KMP_FAST_REDUCTION_BARRIER | |||
| 533 | ||||
| 534 | __kmp_print_storage_map_gtid( | |||
| 535 | -1, &team->t.t_dispatch[0], &team->t.t_dispatch[num_thr], | |||
| 536 | sizeof(kmp_disp_t) * num_thr, "%s_%d.t_dispatch", header, team_id); | |||
| 537 | ||||
| 538 | __kmp_print_storage_map_gtid( | |||
| 539 | -1, &team->t.t_threads[0], &team->t.t_threads[num_thr], | |||
| 540 | sizeof(kmp_info_t *) * num_thr, "%s_%d.t_threads", header, team_id); | |||
| 541 | ||||
| 542 | __kmp_print_storage_map_gtid(-1, &team->t.t_disp_buffer[0], | |||
| 543 | &team->t.t_disp_buffer[num_disp_buff], | |||
| 544 | sizeof(dispatch_shared_info_t) * num_disp_buff, | |||
| 545 | "%s_%d.t_disp_buffer", header, team_id); | |||
| 546 | } | |||
| 547 | ||||
| 548 | static void __kmp_init_allocator() { | |||
| 549 | __kmp_init_memkind(); | |||
| 550 | __kmp_init_target_mem(); | |||
| 551 | } | |||
| 552 | static void __kmp_fini_allocator() { __kmp_fini_memkind(); } | |||
| 553 | ||||
| 554 | /* ------------------------------------------------------------------------ */ | |||
| 555 | ||||
| 556 | #if ENABLE_LIBOMPTARGET1 | |||
| 557 | static void __kmp_init_omptarget() { | |||
| 558 | __kmp_init_target_task(); | |||
| 559 | } | |||
| 560 | #endif | |||
| 561 | ||||
| 562 | /* ------------------------------------------------------------------------ */ | |||
| 563 | ||||
| 564 | #if KMP_DYNAMIC_LIB1 | |||
| 565 | #if KMP_OS_WINDOWS0 | |||
| 566 | ||||
| 567 | BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpReserved) { | |||
| 568 | //__kmp_acquire_bootstrap_lock( &__kmp_initz_lock ); | |||
| 569 | ||||
| 570 | switch (fdwReason) { | |||
| 571 | ||||
| 572 | case DLL_PROCESS_ATTACH: | |||
| 573 | KA_TRACE(10, ("DllMain: PROCESS_ATTACH\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("DllMain: PROCESS_ATTACH\n" ); }; | |||
| 574 | ||||
| 575 | return TRUE(!0); | |||
| 576 | ||||
| 577 | case DLL_PROCESS_DETACH: | |||
| 578 | 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()); }; | |||
| 579 | ||||
| 580 | // According to Windows* documentation for DllMain entry point: | |||
| 581 | // for DLL_PROCESS_DETACH, lpReserved is used for telling the difference: | |||
| 582 | // lpReserved == NULL when FreeLibrary() is called, | |||
| 583 | // lpReserved != NULL when the process is terminated. | |||
| 584 | // When FreeLibrary() is called, worker threads remain alive. So the | |||
| 585 | // runtime's state is consistent and executing proper shutdown is OK. | |||
| 586 | // When the process is terminated, worker threads have exited or been | |||
| 587 | // forcefully terminated by the OS and only the shutdown thread remains. | |||
| 588 | // This can leave the runtime in an inconsistent state. | |||
| 589 | // Hence, only attempt proper cleanup when FreeLibrary() is called. | |||
| 590 | // Otherwise, rely on OS to reclaim resources. | |||
| 591 | if (lpReserved == NULL__null) | |||
| 592 | __kmp_internal_end_library(__kmp_gtid_get_specific()); | |||
| 593 | ||||
| 594 | return TRUE(!0); | |||
| 595 | ||||
| 596 | case DLL_THREAD_ATTACH: | |||
| 597 | KA_TRACE(10, ("DllMain: THREAD_ATTACH\n"))if (kmp_a_debug >= 10) { __kmp_debug_printf ("DllMain: THREAD_ATTACH\n" ); }; | |||
| 598 | ||||
| 599 | /* if we want to register new siblings all the time here call | |||
| 600 | * __kmp_get_gtid(); */ | |||
| 601 | return TRUE(!0); | |||
| 602 | ||||
| 603 | case DLL_THREAD_DETACH: | |||
| 604 | 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()); }; | |||
| 605 | ||||
| 606 | __kmp_internal_end_thread(__kmp_gtid_get_specific()); | |||
| 607 | return TRUE(!0); | |||
| 608 | } | |||
| 609 | ||||
| 610 | return TRUE(!0); | |||
| 611 | } | |||
| 612 | ||||
| 613 | #endif /* KMP_OS_WINDOWS */ | |||
| 614 | #endif /* KMP_DYNAMIC_LIB */ | |||
| 615 | ||||
| 616 | /* __kmp_parallel_deo -- Wait until it's our turn. */ | |||
| 617 | void __kmp_parallel_deo(int *gtid_ref, int *cid_ref, ident_t *loc_ref) { | |||
| 618 | int gtid = *gtid_ref; | |||
| 619 | #ifdef BUILD_PARALLEL_ORDERED1 | |||
| 620 | kmp_team_t *team = __kmp_team_from_gtid(gtid); | |||
| 621 | #endif /* BUILD_PARALLEL_ORDERED */ | |||
| 622 | ||||
| 623 | if (__kmp_env_consistency_check) { | |||
| 624 | if (__kmp_threads[gtid]->th.th_root->r.r_active) | |||
| 625 | #if KMP_USE_DYNAMIC_LOCK1 | |||
| 626 | __kmp_push_sync(gtid, ct_ordered_in_parallel, loc_ref, NULL__null, 0); | |||
| 627 | #else | |||
| 628 | __kmp_push_sync(gtid, ct_ordered_in_parallel, loc_ref, NULL__null); | |||
| 629 | #endif | |||
| 630 | } | |||
| 631 | #ifdef BUILD_PARALLEL_ORDERED1 | |||
| 632 | if (!team->t.t_serialized) { | |||
| 633 | KMP_MB(); | |||
| 634 | KMP_WAIT__kmp_wait_4(&team->t.t_ordered.dt.t_value, __kmp_tid_from_gtid(gtid), KMP_EQ__kmp_eq_4, | |||
| 635 | NULL__null); | |||
| 636 | KMP_MB(); | |||
| 637 | } | |||
| 638 | #endif /* BUILD_PARALLEL_ORDERED */ | |||
| 639 | } | |||
| 640 | ||||
| 641 | /* __kmp_parallel_dxo -- Signal the next task. */ | |||
| 642 | void __kmp_parallel_dxo(int *gtid_ref, int *cid_ref, ident_t *loc_ref) { | |||
| 643 | int gtid = *gtid_ref; | |||
| 644 | #ifdef BUILD_PARALLEL_ORDERED1 | |||
| 645 | int tid = __kmp_tid_from_gtid(gtid); | |||
| 646 | kmp_team_t *team = __kmp_team_from_gtid(gtid); | |||
| 647 | #endif /* BUILD_PARALLEL_ORDERED */ | |||
| 648 | ||||
| 649 | if (__kmp_env_consistency_check) { | |||
| 650 | if (__kmp_threads[gtid]->th.th_root->r.r_active) | |||
| 651 | __kmp_pop_sync(gtid, ct_ordered_in_parallel, loc_ref); | |||
| 652 | } | |||
| 653 | #ifdef BUILD_PARALLEL_ORDERED1 | |||
| 654 | if (!team->t.t_serialized) { | |||
| 655 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||
| 656 | ||||
| 657 | /* use the tid of the next thread in this team */ | |||
| 658 | /* TODO replace with general release procedure */ | |||
| 659 | team->t.t_ordered.dt.t_value = ((tid + 1) % team->t.t_nproc); | |||
| 660 | ||||
| 661 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||
| 662 | } | |||
| 663 | #endif /* BUILD_PARALLEL_ORDERED */ | |||
| 664 | } | |||
| 665 | ||||
| 666 | /* ------------------------------------------------------------------------ */ | |||
| 667 | /* The BARRIER for a SINGLE process section is always explicit */ | |||
| 668 | ||||
| 669 | int __kmp_enter_single(int gtid, ident_t *id_ref, int push_ws) { | |||
| 670 | int status; | |||
| 671 | kmp_info_t *th; | |||
| 672 | kmp_team_t *team; | |||
| 673 | ||||
| 674 | if (!TCR_4(__kmp_init_parallel)(__kmp_init_parallel)) | |||
| 675 | __kmp_parallel_initialize(); | |||
| 676 | __kmp_resume_if_soft_paused(); | |||
| 677 | ||||
| 678 | th = __kmp_threads[gtid]; | |||
| 679 | team = th->th.th_team; | |||
| 680 | status = 0; | |||
| 681 | ||||
| 682 | th->th.th_ident = id_ref; | |||
| 683 | ||||
| 684 | if (team->t.t_serialized) { | |||
| 685 | status = 1; | |||
| 686 | } else { | |||
| 687 | kmp_int32 old_this = th->th.th_local.this_construct; | |||
| 688 | ||||
| 689 | ++th->th.th_local.this_construct; | |||
| 690 | /* try to set team count to thread count--success means thread got the | |||
| 691 | single block */ | |||
| 692 | /* TODO: Should this be acquire or release? */ | |||
| 693 | if (team->t.t_construct == old_this) { | |||
| 694 | status = __kmp_atomic_compare_store_acq(&team->t.t_construct, old_this, | |||
| 695 | th->th.th_local.this_construct); | |||
| 696 | } | |||
| 697 | #if USE_ITT_BUILD1 | |||
| 698 | if (__itt_metadata_add_ptr__kmp_itt_metadata_add_ptr__3_0 && __kmp_forkjoin_frames_mode == 3 && | |||
| 699 | KMP_MASTER_GTID(gtid)(0 == __kmp_tid_from_gtid((gtid))) && th->th.th_teams_microtask == NULL__null && | |||
| 700 | team->t.t_active_level == 1) { | |||
| 701 | // Only report metadata by primary thread of active team at level 1 | |||
| 702 | __kmp_itt_metadata_single(id_ref); | |||
| 703 | } | |||
| 704 | #endif /* USE_ITT_BUILD */ | |||
| 705 | } | |||
| 706 | ||||
| 707 | if (__kmp_env_consistency_check) { | |||
| 708 | if (status && push_ws) { | |||
| 709 | __kmp_push_workshare(gtid, ct_psingle, id_ref); | |||
| 710 | } else { | |||
| 711 | __kmp_check_workshare(gtid, ct_psingle, id_ref); | |||
| 712 | } | |||
| 713 | } | |||
| 714 | #if USE_ITT_BUILD1 | |||
| 715 | if (status) { | |||
| 716 | __kmp_itt_single_start(gtid); | |||
| 717 | } | |||
| 718 | #endif /* USE_ITT_BUILD */ | |||
| 719 | return status; | |||
| 720 | } | |||
| 721 | ||||
| 722 | void __kmp_exit_single(int gtid) { | |||
| 723 | #if USE_ITT_BUILD1 | |||
| 724 | __kmp_itt_single_end(gtid); | |||
| 725 | #endif /* USE_ITT_BUILD */ | |||
| 726 | if (__kmp_env_consistency_check) | |||
| 727 | __kmp_pop_workshare(gtid, ct_psingle, NULL__null); | |||
| 728 | } | |||
| 729 | ||||
| 730 | /* determine if we can go parallel or must use a serialized parallel region and | |||
| 731 | * how many threads we can use | |||
| 732 | * set_nproc is the number of threads requested for the team | |||
| 733 | * returns 0 if we should serialize or only use one thread, | |||
| 734 | * otherwise the number of threads to use | |||
| 735 | * The forkjoin lock is held by the caller. */ | |||
| 736 | static int __kmp_reserve_threads(kmp_root_t *root, kmp_team_t *parent_team, | |||
| 737 | int master_tid, int set_nthreads, | |||
| 738 | int enter_teams) { | |||
| 739 | int capacity; | |||
| 740 | int new_nthreads; | |||
| 741 | KMP_DEBUG_ASSERT(__kmp_init_serial)if (!(__kmp_init_serial)) { __kmp_debug_assert("__kmp_init_serial" , "openmp/runtime/src/kmp_runtime.cpp", 741); }; | |||
| ||||
| 742 | KMP_DEBUG_ASSERT(root && parent_team)if (!(root && parent_team)) { __kmp_debug_assert("root && parent_team" , "openmp/runtime/src/kmp_runtime.cpp", 742); }; | |||
| 743 | kmp_info_t *this_thr = parent_team->t.t_threads[master_tid]; | |||
| 744 | ||||
| 745 | // If dyn-var is set, dynamically adjust the number of desired threads, | |||
| 746 | // according to the method specified by dynamic_mode. | |||
| 747 | new_nthreads = set_nthreads; | |||
| 748 | if (!get__dynamic_2(parent_team, master_tid)((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.dynamic)) { | |||
| 749 | ; | |||
| 750 | } | |||
| 751 | #ifdef USE_LOAD_BALANCE1 | |||
| 752 | else if (__kmp_global.g.g_dynamic_mode == dynamic_load_balance) { | |||
| 753 | new_nthreads = __kmp_load_balance_nproc(root, set_nthreads); | |||
| 754 | if (new_nthreads == 1) { | |||
| 755 | 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); } | |||
| 756 | "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); } | |||
| 757 | 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); }; | |||
| 758 | return 1; | |||
| 759 | } | |||
| 760 | if (new_nthreads < set_nthreads) { | |||
| 761 | 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); } | |||
| 762 | "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); } | |||
| 763 | 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); }; | |||
| 764 | } | |||
| 765 | } | |||
| 766 | #endif /* USE_LOAD_BALANCE */ | |||
| 767 | else if (__kmp_global.g.g_dynamic_mode == dynamic_thread_limit) { | |||
| 768 | new_nthreads = __kmp_avail_proc - __kmp_nth + | |||
| 769 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc); | |||
| 770 | if (new_nthreads <= 1) { | |||
| 771 | 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); } | |||
| 772 | "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); } | |||
| 773 | 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); }; | |||
| 774 | return 1; | |||
| 775 | } | |||
| 776 | if (new_nthreads < set_nthreads) { | |||
| 777 | 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); } | |||
| 778 | "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); } | |||
| 779 | 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); }; | |||
| 780 | } else { | |||
| 781 | new_nthreads = set_nthreads; | |||
| 782 | } | |||
| 783 | } else if (__kmp_global.g.g_dynamic_mode == dynamic_random) { | |||
| 784 | if (set_nthreads > 2) { | |||
| 785 | new_nthreads = __kmp_get_random(parent_team->t.t_threads[master_tid]); | |||
| 786 | new_nthreads = (new_nthreads % set_nthreads) + 1; | |||
| 787 | if (new_nthreads == 1) { | |||
| 788 | 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); } | |||
| 789 | "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); } | |||
| 790 | 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); }; | |||
| 791 | return 1; | |||
| 792 | } | |||
| 793 | if (new_nthreads < set_nthreads) { | |||
| 794 | 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); } | |||
| 795 | "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); } | |||
| 796 | 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); }; | |||
| 797 | } | |||
| 798 | } | |||
| 799 | } else { | |||
| 800 | KMP_ASSERT(0)if (!(0)) { __kmp_debug_assert("0", "openmp/runtime/src/kmp_runtime.cpp" , 800); }; | |||
| 801 | } | |||
| 802 | ||||
| 803 | // Respect KMP_ALL_THREADS/KMP_DEVICE_THREAD_LIMIT. | |||
| 804 | if (__kmp_nth + new_nthreads - | |||
| 805 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc) > | |||
| 806 | __kmp_max_nth) { | |||
| 807 | int tl_nthreads = __kmp_max_nth - __kmp_nth + | |||
| 808 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc); | |||
| 809 | if (tl_nthreads <= 0) { | |||
| 810 | tl_nthreads = 1; | |||
| 811 | } | |||
| 812 | ||||
| 813 | // If dyn-var is false, emit a 1-time warning. | |||
| 814 | 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)) { | |||
| 815 | __kmp_reserve_warn = 1; | |||
| 816 | __kmp_msg(kmp_ms_warning, | |||
| 817 | KMP_MSG(CantFormThrTeam, set_nthreads, tl_nthreads)__kmp_msg_format(kmp_i18n_msg_CantFormThrTeam, set_nthreads, tl_nthreads ), | |||
| 818 | KMP_HNT(Unset_ALL_THREADS)__kmp_msg_format(kmp_i18n_hnt_Unset_ALL_THREADS), __kmp_msg_null); | |||
| 819 | } | |||
| 820 | if (tl_nthreads == 1) { | |||
| 821 | 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); } | |||
| 822 | "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); } | |||
| 823 | 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); }; | |||
| 824 | return 1; | |||
| 825 | } | |||
| 826 | 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); } | |||
| 827 | "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); } | |||
| 828 | 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); }; | |||
| 829 | new_nthreads = tl_nthreads; | |||
| 830 | } | |||
| 831 | ||||
| 832 | // Respect OMP_THREAD_LIMIT | |||
| 833 | int cg_nthreads = this_thr->th.th_cg_roots->cg_nthreads; | |||
| 834 | int max_cg_threads = this_thr->th.th_cg_roots->cg_thread_limit; | |||
| 835 | if (cg_nthreads + new_nthreads - | |||
| 836 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc) > | |||
| 837 | max_cg_threads) { | |||
| 838 | int tl_nthreads = max_cg_threads - cg_nthreads + | |||
| 839 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc); | |||
| 840 | if (tl_nthreads <= 0) { | |||
| 841 | tl_nthreads = 1; | |||
| 842 | } | |||
| 843 | ||||
| 844 | // If dyn-var is false, emit a 1-time warning. | |||
| 845 | 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)) { | |||
| 846 | __kmp_reserve_warn = 1; | |||
| 847 | __kmp_msg(kmp_ms_warning, | |||
| 848 | KMP_MSG(CantFormThrTeam, set_nthreads, tl_nthreads)__kmp_msg_format(kmp_i18n_msg_CantFormThrTeam, set_nthreads, tl_nthreads ), | |||
| 849 | KMP_HNT(Unset_ALL_THREADS)__kmp_msg_format(kmp_i18n_hnt_Unset_ALL_THREADS), __kmp_msg_null); | |||
| 850 | } | |||
| 851 | if (tl_nthreads == 1) { | |||
| 852 | 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); } | |||
| 853 | "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); } | |||
| 854 | 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); }; | |||
| 855 | return 1; | |||
| 856 | } | |||
| 857 | 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); } | |||
| 858 | "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); } | |||
| 859 | 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); }; | |||
| 860 | new_nthreads = tl_nthreads; | |||
| 861 | } | |||
| 862 | ||||
| 863 | // Check if the threads array is large enough, or needs expanding. | |||
| 864 | // See comment in __kmp_register_root() about the adjustment if | |||
| 865 | // __kmp_threads[0] == NULL. | |||
| 866 | capacity = __kmp_threads_capacity; | |||
| 867 | if (TCR_PTR(__kmp_threads[0])((void *)(__kmp_threads[0])) == NULL__null) { | |||
| 868 | --capacity; | |||
| 869 | } | |||
| 870 | // If it is not for initializing the hidden helper team, we need to take | |||
| 871 | // __kmp_hidden_helper_threads_num out of the capacity because it is included | |||
| 872 | // in __kmp_threads_capacity. | |||
| 873 | if (__kmp_enable_hidden_helper && !TCR_4(__kmp_init_hidden_helper_threads)(__kmp_init_hidden_helper_threads)) { | |||
| 874 | capacity -= __kmp_hidden_helper_threads_num; | |||
| 875 | } | |||
| 876 | if (__kmp_nth + new_nthreads - | |||
| 877 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc) > | |||
| 878 | capacity) { | |||
| 879 | // Expand the threads array. | |||
| 880 | int slotsRequired = __kmp_nth + new_nthreads - | |||
| 881 | (root->r.r_active ? 1 : root->r.r_hot_team->t.t_nproc) - | |||
| 882 | capacity; | |||
| 883 | int slotsAdded = __kmp_expand_threads(slotsRequired); | |||
| 884 | if (slotsAdded < slotsRequired) { | |||
| 885 | // The threads array was not expanded enough. | |||
| 886 | new_nthreads -= (slotsRequired - slotsAdded); | |||
| 887 | KMP_ASSERT(new_nthreads >= 1)if (!(new_nthreads >= 1)) { __kmp_debug_assert("new_nthreads >= 1" , "openmp/runtime/src/kmp_runtime.cpp", 887); }; | |||
| 888 | ||||
| 889 | // If dyn-var is false, emit a 1-time warning. | |||
| 890 | 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)) { | |||
| 891 | __kmp_reserve_warn = 1; | |||
| 892 | if (__kmp_tp_cached) { | |||
| 893 | __kmp_msg(kmp_ms_warning, | |||
| 894 | KMP_MSG(CantFormThrTeam, set_nthreads, new_nthreads)__kmp_msg_format(kmp_i18n_msg_CantFormThrTeam, set_nthreads, new_nthreads ), | |||
| 895 | KMP_HNT(Set_ALL_THREADPRIVATE, __kmp_tp_capacity)__kmp_msg_format(kmp_i18n_hnt_Set_ALL_THREADPRIVATE, __kmp_tp_capacity ), | |||
| 896 | KMP_HNT(PossibleSystemLimitOnThreads)__kmp_msg_format(kmp_i18n_hnt_PossibleSystemLimitOnThreads), __kmp_msg_null); | |||
| 897 | } else { | |||
| 898 | __kmp_msg(kmp_ms_warning, | |||
| 899 | KMP_MSG(CantFormThrTeam, set_nthreads, new_nthreads)__kmp_msg_format(kmp_i18n_msg_CantFormThrTeam, set_nthreads, new_nthreads ), | |||
| 900 | KMP_HNT(SystemLimitOnThreads)__kmp_msg_format(kmp_i18n_hnt_SystemLimitOnThreads), __kmp_msg_null); | |||
| 901 | } | |||
| 902 | } | |||
| 903 | } | |||
| 904 | } | |||
| 905 | ||||
| 906 | #ifdef KMP_DEBUG1 | |||
| 907 | if (new_nthreads == 1) { | |||
| 908 | 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); } | |||
| 909 | ("__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); } | |||
| 910 | "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); } | |||
| 911 | __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); }; | |||
| 912 | } else { | |||
| 913 | 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); } | |||
| 914 | " %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); } | |||
| 915 | __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); }; | |||
| 916 | } | |||
| 917 | #endif // KMP_DEBUG | |||
| 918 | return new_nthreads; | |||
| 919 | } | |||
| 920 | ||||
| 921 | /* Allocate threads from the thread pool and assign them to the new team. We are | |||
| 922 | assured that there are enough threads available, because we checked on that | |||
| 923 | earlier within critical section forkjoin */ | |||
| 924 | static void __kmp_fork_team_threads(kmp_root_t *root, kmp_team_t *team, | |||
| 925 | kmp_info_t *master_th, int master_gtid, | |||
| 926 | int fork_teams_workers) { | |||
| 927 | int i; | |||
| 928 | int use_hot_team; | |||
| 929 | ||||
| 930 | 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); }; | |||
| 931 | KMP_DEBUG_ASSERT(master_gtid == __kmp_get_gtid())if (!(master_gtid == __kmp_get_global_thread_id())) { __kmp_debug_assert ("master_gtid == __kmp_get_global_thread_id()", "openmp/runtime/src/kmp_runtime.cpp" , 931); }; | |||
| 932 | KMP_MB(); | |||
| 933 | ||||
| 934 | /* first, let's setup the primary thread */ | |||
| 935 | master_th->th.th_info.ds.ds_tid = 0; | |||
| 936 | master_th->th.th_team = team; | |||
| 937 | master_th->th.th_team_nproc = team->t.t_nproc; | |||
| 938 | master_th->th.th_team_master = master_th; | |||
| 939 | master_th->th.th_team_serialized = FALSE0; | |||
| 940 | master_th->th.th_dispatch = &team->t.t_dispatch[0]; | |||
| 941 | ||||
| 942 | /* make sure we are not the optimized hot team */ | |||
| 943 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 944 | use_hot_team = 0; | |||
| 945 | kmp_hot_team_ptr_t *hot_teams = master_th->th.th_hot_teams; | |||
| 946 | if (hot_teams) { // hot teams array is not allocated if | |||
| 947 | // KMP_HOT_TEAMS_MAX_LEVEL=0 | |||
| 948 | int level = team->t.t_active_level - 1; // index in array of hot teams | |||
| 949 | if (master_th->th.th_teams_microtask) { // are we inside the teams? | |||
| 950 | if (master_th->th.th_teams_size.nteams > 1) { | |||
| 951 | ++level; // level was not increased in teams construct for | |||
| 952 | // team_of_masters | |||
| 953 | } | |||
| 954 | if (team->t.t_pkfn != (microtask_t)__kmp_teams_master && | |||
| 955 | master_th->th.th_teams_level == team->t.t_level) { | |||
| 956 | ++level; // level was not increased in teams construct for | |||
| 957 | // team_of_workers before the parallel | |||
| 958 | } // team->t.t_level will be increased inside parallel | |||
| 959 | } | |||
| 960 | if (level < __kmp_hot_teams_max_level) { | |||
| 961 | if (hot_teams[level].hot_team) { | |||
| 962 | // hot team has already been allocated for given level | |||
| 963 | KMP_DEBUG_ASSERT(hot_teams[level].hot_team == team)if (!(hot_teams[level].hot_team == team)) { __kmp_debug_assert ("hot_teams[level].hot_team == team", "openmp/runtime/src/kmp_runtime.cpp" , 963); }; | |||
| 964 | use_hot_team = 1; // the team is ready to use | |||
| 965 | } else { | |||
| 966 | use_hot_team = 0; // AC: threads are not allocated yet | |||
| 967 | hot_teams[level].hot_team = team; // remember new hot team | |||
| 968 | hot_teams[level].hot_team_nth = team->t.t_nproc; | |||
| 969 | } | |||
| 970 | } else { | |||
| 971 | use_hot_team = 0; | |||
| 972 | } | |||
| 973 | } | |||
| 974 | #else | |||
| 975 | use_hot_team = team == root->r.r_hot_team; | |||
| 976 | #endif | |||
| 977 | if (!use_hot_team) { | |||
| 978 | ||||
| 979 | /* install the primary thread */ | |||
| 980 | team->t.t_threads[0] = master_th; | |||
| 981 | __kmp_initialize_info(master_th, team, 0, master_gtid); | |||
| 982 | ||||
| 983 | /* now, install the worker threads */ | |||
| 984 | for (i = 1; i < team->t.t_nproc; i++) { | |||
| 985 | ||||
| 986 | /* fork or reallocate a new thread and install it in team */ | |||
| 987 | kmp_info_t *thr = __kmp_allocate_thread(root, team, i); | |||
| 988 | team->t.t_threads[i] = thr; | |||
| 989 | KMP_DEBUG_ASSERT(thr)if (!(thr)) { __kmp_debug_assert("thr", "openmp/runtime/src/kmp_runtime.cpp" , 989); }; | |||
| 990 | KMP_DEBUG_ASSERT(thr->th.th_team == team)if (!(thr->th.th_team == team)) { __kmp_debug_assert("thr->th.th_team == team" , "openmp/runtime/src/kmp_runtime.cpp", 990); }; | |||
| 991 | /* align team and thread arrived states */ | |||
| 992 | 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", __kmp_gtid_from_tid( 0, team), team->t.t_id, 0, __kmp_gtid_from_tid(i, team), team ->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier].b_arrived , team->t.t_bar[bs_plain_barrier].b_arrived); } | |||
| 993 | "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", __kmp_gtid_from_tid( 0, team), team->t.t_id, 0, __kmp_gtid_from_tid(i, team), team ->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier].b_arrived , team->t.t_bar[bs_plain_barrier].b_arrived); } | |||
| 994 | __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", __kmp_gtid_from_tid( 0, team), team->t.t_id, 0, __kmp_gtid_from_tid(i, team), team ->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier].b_arrived , team->t.t_bar[bs_plain_barrier].b_arrived); } | |||
| 995 | __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", __kmp_gtid_from_tid( 0, team), team->t.t_id, 0, __kmp_gtid_from_tid(i, team), team ->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier].b_arrived , team->t.t_bar[bs_plain_barrier].b_arrived); } | |||
| 996 | 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", __kmp_gtid_from_tid( 0, team), team->t.t_id, 0, __kmp_gtid_from_tid(i, team), team ->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier].b_arrived , team->t.t_bar[bs_plain_barrier].b_arrived); } | |||
| 997 | 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", __kmp_gtid_from_tid( 0, team), team->t.t_id, 0, __kmp_gtid_from_tid(i, team), team ->t.t_id, i, team->t.t_bar[bs_forkjoin_barrier].b_arrived , team->t.t_bar[bs_plain_barrier].b_arrived); }; | |||
| 998 | thr->th.th_teams_microtask = master_th->th.th_teams_microtask; | |||
| 999 | thr->th.th_teams_level = master_th->th.th_teams_level; | |||
| 1000 | thr->th.th_teams_size = master_th->th.th_teams_size; | |||
| 1001 | { // Initialize threads' barrier data. | |||
| 1002 | int b; | |||
| 1003 | kmp_balign_t *balign = team->t.t_threads[i]->th.th_bar; | |||
| 1004 | for (b = 0; b < bs_last_barrier; ++b) { | |||
| 1005 | balign[b].bb.b_arrived = team->t.t_bar[b].b_arrived; | |||
| 1006 | KMP_DEBUG_ASSERT(balign[b].bb.wait_flag != KMP_BARRIER_PARENT_FLAG)if (!(balign[b].bb.wait_flag != 2)) { __kmp_debug_assert("balign[b].bb.wait_flag != 2" , "openmp/runtime/src/kmp_runtime.cpp", 1006); }; | |||
| 1007 | #if USE_DEBUGGER0 | |||
| 1008 | balign[b].bb.b_worker_arrived = team->t.t_bar[b].b_team_arrived; | |||
| 1009 | #endif | |||
| 1010 | } | |||
| 1011 | } | |||
| 1012 | } | |||
| 1013 | ||||
| 1014 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 1015 | // Do not partition the places list for teams construct workers who | |||
| 1016 | // haven't actually been forked to do real work yet. This partitioning | |||
| 1017 | // will take place in the parallel region nested within the teams construct. | |||
| 1018 | if (!fork_teams_workers) { | |||
| 1019 | __kmp_partition_places(team); | |||
| 1020 | } | |||
| 1021 | #endif | |||
| 1022 | ||||
| 1023 | if (team->t.t_nproc > 1 && | |||
| 1024 | __kmp_barrier_gather_pattern[bs_forkjoin_barrier] == bp_dist_bar) { | |||
| 1025 | team->t.b->update_num_threads(team->t.t_nproc); | |||
| 1026 | __kmp_add_threads_to_team(team, team->t.t_nproc); | |||
| 1027 | } | |||
| 1028 | } | |||
| 1029 | ||||
| 1030 | if (__kmp_display_affinity && team->t.t_display_affinity != 1) { | |||
| 1031 | for (i = 0; i < team->t.t_nproc; i++) { | |||
| 1032 | kmp_info_t *thr = team->t.t_threads[i]; | |||
| 1033 | if (thr->th.th_prev_num_threads != team->t.t_nproc || | |||
| 1034 | thr->th.th_prev_level != team->t.t_level) { | |||
| 1035 | team->t.t_display_affinity = 1; | |||
| 1036 | break; | |||
| 1037 | } | |||
| 1038 | } | |||
| 1039 | } | |||
| 1040 | ||||
| 1041 | KMP_MB(); | |||
| 1042 | } | |||
| 1043 | ||||
| 1044 | #if KMP_ARCH_X860 || KMP_ARCH_X86_641 | |||
| 1045 | // Propagate any changes to the floating point control registers out to the team | |||
| 1046 | // We try to avoid unnecessary writes to the relevant cache line in the team | |||
| 1047 | // structure, so we don't make changes unless they are needed. | |||
| 1048 | inline static void propagateFPControl(kmp_team_t *team) { | |||
| 1049 | if (__kmp_inherit_fp_control) { | |||
| 1050 | kmp_int16 x87_fpu_control_word; | |||
| 1051 | kmp_uint32 mxcsr; | |||
| 1052 | ||||
| 1053 | // Get primary thread's values of FPU control flags (both X87 and vector) | |||
| 1054 | __kmp_store_x87_fpu_control_word(&x87_fpu_control_word); | |||
| 1055 | __kmp_store_mxcsr(&mxcsr); | |||
| 1056 | mxcsr &= KMP_X86_MXCSR_MASK0xffffffc0; | |||
| 1057 | ||||
| 1058 | // There is no point looking at t_fp_control_saved here. | |||
| 1059 | // If it is TRUE, we still have to update the values if they are different | |||
| 1060 | // from those we now have. If it is FALSE we didn't save anything yet, but | |||
| 1061 | // our objective is the same. We have to ensure that the values in the team | |||
| 1062 | // are the same as those we have. | |||
| 1063 | // So, this code achieves what we need whether or not t_fp_control_saved is | |||
| 1064 | // true. By checking whether the value needs updating we avoid unnecessary | |||
| 1065 | // writes that would put the cache-line into a written state, causing all | |||
| 1066 | // threads in the team to have to read it again. | |||
| 1067 | 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 ); | |||
| 1068 | KMP_CHECK_UPDATE(team->t.t_mxcsr, mxcsr)if ((team->t.t_mxcsr) != (mxcsr)) (team->t.t_mxcsr) = ( mxcsr); | |||
| 1069 | // Although we don't use this value, other code in the runtime wants to know | |||
| 1070 | // whether it should restore them. So we must ensure it is correct. | |||
| 1071 | 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)); | |||
| 1072 | } else { | |||
| 1073 | // Similarly here. Don't write to this cache-line in the team structure | |||
| 1074 | // unless we have to. | |||
| 1075 | 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); | |||
| 1076 | } | |||
| 1077 | } | |||
| 1078 | ||||
| 1079 | // Do the opposite, setting the hardware registers to the updated values from | |||
| 1080 | // the team. | |||
| 1081 | inline static void updateHWFPControl(kmp_team_t *team) { | |||
| 1082 | if (__kmp_inherit_fp_control && team->t.t_fp_control_saved) { | |||
| 1083 | // Only reset the fp control regs if they have been changed in the team. | |||
| 1084 | // the parallel region that we are exiting. | |||
| 1085 | kmp_int16 x87_fpu_control_word; | |||
| 1086 | kmp_uint32 mxcsr; | |||
| 1087 | __kmp_store_x87_fpu_control_word(&x87_fpu_control_word); | |||
| 1088 | __kmp_store_mxcsr(&mxcsr); | |||
| 1089 | mxcsr &= KMP_X86_MXCSR_MASK0xffffffc0; | |||
| 1090 | ||||
| 1091 | if (team->t.t_x87_fpu_control_word != x87_fpu_control_word) { | |||
| 1092 | __kmp_clear_x87_fpu_status_word(); | |||
| 1093 | __kmp_load_x87_fpu_control_word(&team->t.t_x87_fpu_control_word); | |||
| 1094 | } | |||
| 1095 | ||||
| 1096 | if (team->t.t_mxcsr != mxcsr) { | |||
| 1097 | __kmp_load_mxcsr(&team->t.t_mxcsr); | |||
| 1098 | } | |||
| 1099 | } | |||
| 1100 | } | |||
| 1101 | #else | |||
| 1102 | #define propagateFPControl(x) ((void)0) | |||
| 1103 | #define updateHWFPControl(x) ((void)0) | |||
| 1104 | #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */ | |||
| 1105 | ||||
| 1106 | static void __kmp_alloc_argv_entries(int argc, kmp_team_t *team, | |||
| 1107 | int realloc); // forward declaration | |||
| 1108 | ||||
| 1109 | /* Run a parallel region that has been serialized, so runs only in a team of the | |||
| 1110 | single primary thread. */ | |||
| 1111 | void __kmp_serialized_parallel(ident_t *loc, kmp_int32 global_tid) { | |||
| 1112 | kmp_info_t *this_thr; | |||
| 1113 | kmp_team_t *serial_team; | |||
| 1114 | ||||
| 1115 | 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); }; | |||
| 1116 | ||||
| 1117 | /* Skip all this code for autopar serialized loops since it results in | |||
| 1118 | unacceptable overhead */ | |||
| 1119 | if (loc != NULL__null && (loc->flags & KMP_IDENT_AUTOPAR)) | |||
| 1120 | return; | |||
| 1121 | ||||
| 1122 | if (!TCR_4(__kmp_init_parallel)(__kmp_init_parallel)) | |||
| 1123 | __kmp_parallel_initialize(); | |||
| 1124 | __kmp_resume_if_soft_paused(); | |||
| 1125 | ||||
| 1126 | this_thr = __kmp_threads[global_tid]; | |||
| 1127 | serial_team = this_thr->th.th_serial_team; | |||
| 1128 | ||||
| 1129 | /* utilize the serialized team held by this thread */ | |||
| 1130 | KMP_DEBUG_ASSERT(serial_team)if (!(serial_team)) { __kmp_debug_assert("serial_team", "openmp/runtime/src/kmp_runtime.cpp" , 1130); }; | |||
| 1131 | KMP_MB(); | |||
| 1132 | ||||
| 1133 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||
| 1134 | KMP_DEBUG_ASSERT(if (!(this_thr->th.th_task_team == this_thr->th.th_team ->t.t_task_team[this_thr->th.th_task_state])) { __kmp_debug_assert ("this_thr->th.th_task_team == this_thr->th.th_team->t.t_task_team[this_thr->th.th_task_state]" , "openmp/runtime/src/kmp_runtime.cpp", 1136); } | |||
| 1135 | this_thr->th.th_task_team ==if (!(this_thr->th.th_task_team == this_thr->th.th_team ->t.t_task_team[this_thr->th.th_task_state])) { __kmp_debug_assert ("this_thr->th.th_task_team == this_thr->th.th_team->t.t_task_team[this_thr->th.th_task_state]" , "openmp/runtime/src/kmp_runtime.cpp", 1136); } | |||
| 1136 | this_thr->th.th_team->t.t_task_team[this_thr->th.th_task_state])if (!(this_thr->th.th_task_team == this_thr->th.th_team ->t.t_task_team[this_thr->th.th_task_state])) { __kmp_debug_assert ("this_thr->th.th_task_team == this_thr->th.th_team->t.t_task_team[this_thr->th.th_task_state]" , "openmp/runtime/src/kmp_runtime.cpp", 1136); }; | |||
| 1137 | KMP_DEBUG_ASSERT(serial_team->t.t_task_team[this_thr->th.th_task_state] ==if (!(serial_team->t.t_task_team[this_thr->th.th_task_state ] == __null)) { __kmp_debug_assert("serial_team->t.t_task_team[this_thr->th.th_task_state] == __null" , "openmp/runtime/src/kmp_runtime.cpp", 1138); } | |||
| 1138 | NULL)if (!(serial_team->t.t_task_team[this_thr->th.th_task_state ] == __null)) { __kmp_debug_assert("serial_team->t.t_task_team[this_thr->th.th_task_state] == __null" , "openmp/runtime/src/kmp_runtime.cpp", 1138); }; | |||
| 1139 | 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); } | |||
| 1140 | "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); } | |||
| 1141 | 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); }; | |||
| 1142 | this_thr->th.th_task_team = NULL__null; | |||
| 1143 | } | |||
| 1144 | ||||
| 1145 | kmp_proc_bind_t proc_bind = this_thr->th.th_set_proc_bind; | |||
| 1146 | if (this_thr->th.th_current_task->td_icvs.proc_bind == proc_bind_false) { | |||
| 1147 | proc_bind = proc_bind_false; | |||
| 1148 | } else if (proc_bind == proc_bind_default) { | |||
| 1149 | // No proc_bind clause was specified, so use the current value | |||
| 1150 | // of proc-bind-var for this parallel region. | |||
| 1151 | proc_bind = this_thr->th.th_current_task->td_icvs.proc_bind; | |||
| 1152 | } | |||
| 1153 | // Reset for next parallel region | |||
| 1154 | this_thr->th.th_set_proc_bind = proc_bind_default; | |||
| 1155 | ||||
| 1156 | #if OMPT_SUPPORT1 | |||
| 1157 | ompt_data_t ompt_parallel_data = ompt_data_none{0}; | |||
| 1158 | void *codeptr = OMPT_LOAD_RETURN_ADDRESS(global_tid)__ompt_load_return_address(global_tid); | |||
| 1159 | if (ompt_enabled.enabled && | |||
| 1160 | this_thr->th.ompt_thread_info.state != ompt_state_overhead) { | |||
| 1161 | ||||
| 1162 | ompt_task_info_t *parent_task_info; | |||
| 1163 | parent_task_info = OMPT_CUR_TASK_INFO(this_thr)(&(this_thr->th.th_current_task->ompt_task_info)); | |||
| 1164 | ||||
| 1165 | parent_task_info->frame.enter_frame.ptr = OMPT_GET_FRAME_ADDRESS(0)__builtin_frame_address(0); | |||
| 1166 | if (ompt_enabled.ompt_callback_parallel_begin) { | |||
| 1167 | int team_size = 1; | |||
| 1168 | ||||
| 1169 | ompt_callbacks.ompt_callback(ompt_callback_parallel_begin)ompt_callback_parallel_begin_callback( | |||
| 1170 | &(parent_task_info->task_data), &(parent_task_info->frame), | |||
| 1171 | &ompt_parallel_data, team_size, | |||
| 1172 | ompt_parallel_invoker_program | ompt_parallel_team, codeptr); | |||
| 1173 | } | |||
| 1174 | } | |||
| 1175 | #endif // OMPT_SUPPORT | |||
| 1176 | ||||
| 1177 | if (this_thr->th.th_team != serial_team) { | |||
| 1178 | // Nested level will be an index in the nested nthreads array | |||
| 1179 | int level = this_thr->th.th_team->t.t_level; | |||
| 1180 | ||||
| 1181 | if (serial_team->t.t_serialized) { | |||
| 1182 | /* this serial team was already used | |||
| 1183 | TODO increase performance by making this locks more specific */ | |||
| 1184 | kmp_team_t *new_team; | |||
| 1185 | ||||
| 1186 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 1187 | ||||
| 1188 | new_team = | |||
| 1189 | __kmp_allocate_team(this_thr->th.th_root, 1, 1, | |||
| 1190 | #if OMPT_SUPPORT1 | |||
| 1191 | ompt_parallel_data, | |||
| 1192 | #endif | |||
| 1193 | proc_bind, &this_thr->th.th_current_task->td_icvs, | |||
| 1194 | 0 USE_NESTED_HOT_ARG(NULL), __null); | |||
| 1195 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 1196 | KMP_ASSERT(new_team)if (!(new_team)) { __kmp_debug_assert("new_team", "openmp/runtime/src/kmp_runtime.cpp" , 1196); }; | |||
| 1197 | ||||
| 1198 | /* setup new serialized team and install it */ | |||
| 1199 | new_team->t.t_threads[0] = this_thr; | |||
| 1200 | new_team->t.t_parent = this_thr->th.th_team; | |||
| 1201 | serial_team = new_team; | |||
| 1202 | this_thr->th.th_serial_team = serial_team; | |||
| 1203 | ||||
| 1204 | 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); } | |||
| 1205 | 10,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d allocated new serial team %p\n" , global_tid, serial_team); } | |||
| 1206 | ("__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); } | |||
| 1207 | 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); }; | |||
| 1208 | ||||
| 1209 | /* TODO the above breaks the requirement that if we run out of resources, | |||
| 1210 | then we can still guarantee that serialized teams are ok, since we may | |||
| 1211 | need to allocate a new one */ | |||
| 1212 | } else { | |||
| 1213 | 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); } | |||
| 1214 | 10,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmpc_serialized_parallel: T#%d reusing cached serial team %p\n" , global_tid, serial_team); } | |||
| 1215 | ("__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); } | |||
| 1216 | 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); }; | |||
| 1217 | } | |||
| 1218 | ||||
| 1219 | /* we have to initialize this serial team */ | |||
| 1220 | KMP_DEBUG_ASSERT(serial_team->t.t_threads)if (!(serial_team->t.t_threads)) { __kmp_debug_assert("serial_team->t.t_threads" , "openmp/runtime/src/kmp_runtime.cpp", 1220); }; | |||
| 1221 | KMP_DEBUG_ASSERT(serial_team->t.t_threads[0] == this_thr)if (!(serial_team->t.t_threads[0] == this_thr)) { __kmp_debug_assert ("serial_team->t.t_threads[0] == this_thr", "openmp/runtime/src/kmp_runtime.cpp" , 1221); }; | |||
| 1222 | KMP_DEBUG_ASSERT(this_thr->th.th_team != serial_team)if (!(this_thr->th.th_team != serial_team)) { __kmp_debug_assert ("this_thr->th.th_team != serial_team", "openmp/runtime/src/kmp_runtime.cpp" , 1222); }; | |||
| 1223 | serial_team->t.t_ident = loc; | |||
| 1224 | serial_team->t.t_serialized = 1; | |||
| 1225 | serial_team->t.t_nproc = 1; | |||
| 1226 | serial_team->t.t_parent = this_thr->th.th_team; | |||
| 1227 | serial_team->t.t_sched.sched = this_thr->th.th_team->t.t_sched.sched; | |||
| 1228 | this_thr->th.th_team = serial_team; | |||
| 1229 | serial_team->t.t_master_tid = this_thr->th.th_info.ds.ds_tid; | |||
| 1230 | ||||
| 1231 | 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); } | |||
| 1232 | 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); }; | |||
| 1233 | KMP_ASSERT(this_thr->th.th_current_task->td_flags.executing == 1)if (!(this_thr->th.th_current_task->td_flags.executing == 1)) { __kmp_debug_assert("this_thr->th.th_current_task->td_flags.executing == 1" , "openmp/runtime/src/kmp_runtime.cpp", 1233); }; | |||
| 1234 | this_thr->th.th_current_task->td_flags.executing = 0; | |||
| 1235 | ||||
| 1236 | __kmp_push_current_task_to_thread(this_thr, serial_team, 0); | |||
| 1237 | ||||
| 1238 | /* TODO: GEH: do ICVs work for nested serialized teams? Don't we need an | |||
| 1239 | implicit task for each serialized task represented by | |||
| 1240 | team->t.t_serialized? */ | |||
| 1241 | copy_icvs(&this_thr->th.th_current_task->td_icvs, | |||
| 1242 | &this_thr->th.th_current_task->td_parent->td_icvs); | |||
| 1243 | ||||
| 1244 | // Thread value exists in the nested nthreads array for the next nested | |||
| 1245 | // level | |||
| 1246 | if (__kmp_nested_nth.used && (level + 1 < __kmp_nested_nth.used)) { | |||
| 1247 | this_thr->th.th_current_task->td_icvs.nproc = | |||
| 1248 | __kmp_nested_nth.nth[level + 1]; | |||
| 1249 | } | |||
| 1250 | ||||
| 1251 | if (__kmp_nested_proc_bind.used && | |||
| 1252 | (level + 1 < __kmp_nested_proc_bind.used)) { | |||
| 1253 | this_thr->th.th_current_task->td_icvs.proc_bind = | |||
| 1254 | __kmp_nested_proc_bind.bind_types[level + 1]; | |||
| 1255 | } | |||
| 1256 | ||||
| 1257 | #if USE_DEBUGGER0 | |||
| 1258 | serial_team->t.t_pkfn = (microtask_t)(~0); // For the debugger. | |||
| 1259 | #endif | |||
| 1260 | this_thr->th.th_info.ds.ds_tid = 0; | |||
| 1261 | ||||
| 1262 | /* set thread cache values */ | |||
| 1263 | this_thr->th.th_team_nproc = 1; | |||
| 1264 | this_thr->th.th_team_master = this_thr; | |||
| 1265 | this_thr->th.th_team_serialized = 1; | |||
| 1266 | ||||
| 1267 | serial_team->t.t_level = serial_team->t.t_parent->t.t_level + 1; | |||
| 1268 | serial_team->t.t_active_level = serial_team->t.t_parent->t.t_active_level; | |||
| 1269 | serial_team->t.t_def_allocator = this_thr->th.th_def_allocator; // save | |||
| 1270 | ||||
| 1271 | propagateFPControl(serial_team); | |||
| 1272 | ||||
| 1273 | /* check if we need to allocate dispatch buffers stack */ | |||
| 1274 | KMP_DEBUG_ASSERT(serial_team->t.t_dispatch)if (!(serial_team->t.t_dispatch)) { __kmp_debug_assert("serial_team->t.t_dispatch" , "openmp/runtime/src/kmp_runtime.cpp", 1274); }; | |||
| 1275 | if (!serial_team->t.t_dispatch->th_disp_buffer) { | |||
| 1276 | serial_team->t.t_dispatch->th_disp_buffer = | |||
| 1277 | (dispatch_private_info_t *)__kmp_allocate(___kmp_allocate((sizeof(dispatch_private_info_t)), "openmp/runtime/src/kmp_runtime.cpp" , 1278) | |||
| 1278 | sizeof(dispatch_private_info_t))___kmp_allocate((sizeof(dispatch_private_info_t)), "openmp/runtime/src/kmp_runtime.cpp" , 1278); | |||
| 1279 | } | |||
| 1280 | this_thr->th.th_dispatch = serial_team->t.t_dispatch; | |||
| 1281 | ||||
| 1282 | KMP_MB(); | |||
| 1283 | ||||
| 1284 | } else { | |||
| 1285 | /* this serialized team is already being used, | |||
| 1286 | * that's fine, just add another nested level */ | |||
| 1287 | KMP_DEBUG_ASSERT(this_thr->th.th_team == serial_team)if (!(this_thr->th.th_team == serial_team)) { __kmp_debug_assert ("this_thr->th.th_team == serial_team", "openmp/runtime/src/kmp_runtime.cpp" , 1287); }; | |||
| 1288 | KMP_DEBUG_ASSERT(serial_team->t.t_threads)if (!(serial_team->t.t_threads)) { __kmp_debug_assert("serial_team->t.t_threads" , "openmp/runtime/src/kmp_runtime.cpp", 1288); }; | |||
| 1289 | KMP_DEBUG_ASSERT(serial_team->t.t_threads[0] == this_thr)if (!(serial_team->t.t_threads[0] == this_thr)) { __kmp_debug_assert ("serial_team->t.t_threads[0] == this_thr", "openmp/runtime/src/kmp_runtime.cpp" , 1289); }; | |||
| 1290 | ++serial_team->t.t_serialized; | |||
| 1291 | this_thr->th.th_team_serialized = serial_team->t.t_serialized; | |||
| 1292 | ||||
| 1293 | // Nested level will be an index in the nested nthreads array | |||
| 1294 | int level = this_thr->th.th_team->t.t_level; | |||
| 1295 | // Thread value exists in the nested nthreads array for the next nested | |||
| 1296 | // level | |||
| 1297 | if (__kmp_nested_nth.used && (level + 1 < __kmp_nested_nth.used)) { | |||
| 1298 | this_thr->th.th_current_task->td_icvs.nproc = | |||
| 1299 | __kmp_nested_nth.nth[level + 1]; | |||
| 1300 | } | |||
| 1301 | serial_team->t.t_level++; | |||
| 1302 | 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); } | |||
| 1303 | "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); } | |||
| 1304 | 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); }; | |||
| 1305 | ||||
| 1306 | /* allocate/push dispatch buffers stack */ | |||
| 1307 | KMP_DEBUG_ASSERT(serial_team->t.t_dispatch)if (!(serial_team->t.t_dispatch)) { __kmp_debug_assert("serial_team->t.t_dispatch" , "openmp/runtime/src/kmp_runtime.cpp", 1307); }; | |||
| 1308 | { | |||
| 1309 | dispatch_private_info_t *disp_buffer = | |||
| 1310 | (dispatch_private_info_t *)__kmp_allocate(___kmp_allocate((sizeof(dispatch_private_info_t)), "openmp/runtime/src/kmp_runtime.cpp" , 1311) | |||
| 1311 | sizeof(dispatch_private_info_t))___kmp_allocate((sizeof(dispatch_private_info_t)), "openmp/runtime/src/kmp_runtime.cpp" , 1311); | |||
| 1312 | disp_buffer->next = serial_team->t.t_dispatch->th_disp_buffer; | |||
| 1313 | serial_team->t.t_dispatch->th_disp_buffer = disp_buffer; | |||
| 1314 | } | |||
| 1315 | this_thr->th.th_dispatch = serial_team->t.t_dispatch; | |||
| 1316 | ||||
| 1317 | KMP_MB(); | |||
| 1318 | } | |||
| 1319 | 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); | |||
| 1320 | ||||
| 1321 | // Perform the display affinity functionality for | |||
| 1322 | // serialized parallel regions | |||
| 1323 | if (__kmp_display_affinity) { | |||
| 1324 | if (this_thr->th.th_prev_level != serial_team->t.t_level || | |||
| 1325 | this_thr->th.th_prev_num_threads != 1) { | |||
| 1326 | // NULL means use the affinity-format-var ICV | |||
| 1327 | __kmp_aux_display_affinity(global_tid, NULL__null); | |||
| 1328 | this_thr->th.th_prev_level = serial_team->t.t_level; | |||
| 1329 | this_thr->th.th_prev_num_threads = 1; | |||
| 1330 | } | |||
| 1331 | } | |||
| 1332 | ||||
| 1333 | if (__kmp_env_consistency_check) | |||
| 1334 | __kmp_push_parallel(global_tid, NULL__null); | |||
| 1335 | #if OMPT_SUPPORT1 | |||
| 1336 | serial_team->t.ompt_team_info.master_return_address = codeptr; | |||
| 1337 | if (ompt_enabled.enabled && | |||
| 1338 | this_thr->th.ompt_thread_info.state != ompt_state_overhead) { | |||
| 1339 | OMPT_CUR_TASK_INFO(this_thr)(&(this_thr->th.th_current_task->ompt_task_info))->frame.exit_frame.ptr = | |||
| 1340 | OMPT_GET_FRAME_ADDRESS(0)__builtin_frame_address(0); | |||
| 1341 | ||||
| 1342 | ompt_lw_taskteam_t lw_taskteam; | |||
| 1343 | __ompt_lw_taskteam_init(&lw_taskteam, this_thr, global_tid, | |||
| 1344 | &ompt_parallel_data, codeptr); | |||
| 1345 | ||||
| 1346 | __ompt_lw_taskteam_link(&lw_taskteam, this_thr, 1); | |||
| 1347 | // don't use lw_taskteam after linking. content was swaped | |||
| 1348 | ||||
| 1349 | /* OMPT implicit task begin */ | |||
| 1350 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 1351 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 1352 | ompt_scope_begin, OMPT_CUR_TEAM_DATA(this_thr)(&(this_thr->th.th_team->t.ompt_team_info.parallel_data )), | |||
| 1353 | OMPT_CUR_TASK_DATA(this_thr)(&(this_thr->th.th_current_task->ompt_task_info.task_data )), 1, __kmp_tid_from_gtid(global_tid), | |||
| 1354 | ompt_task_implicit); // TODO: Can this be ompt_task_initial? | |||
| 1355 | OMPT_CUR_TASK_INFO(this_thr)(&(this_thr->th.th_current_task->ompt_task_info))->thread_num = | |||
| 1356 | __kmp_tid_from_gtid(global_tid); | |||
| 1357 | } | |||
| 1358 | ||||
| 1359 | /* OMPT state */ | |||
| 1360 | this_thr->th.ompt_thread_info.state = ompt_state_work_parallel; | |||
| 1361 | OMPT_CUR_TASK_INFO(this_thr)(&(this_thr->th.th_current_task->ompt_task_info))->frame.exit_frame.ptr = | |||
| 1362 | OMPT_GET_FRAME_ADDRESS(0)__builtin_frame_address(0); | |||
| 1363 | } | |||
| 1364 | #endif | |||
| 1365 | } | |||
| 1366 | ||||
| 1367 | // Test if this fork is for a team closely nested in a teams construct | |||
| 1368 | static inline bool __kmp_is_fork_in_teams(kmp_info_t *master_th, | |||
| 1369 | microtask_t microtask, int level, | |||
| 1370 | int teams_level, kmp_va_list ap) { | |||
| 1371 | return (master_th->th.th_teams_microtask && ap && | |||
| 1372 | microtask != (microtask_t)__kmp_teams_master && level == teams_level); | |||
| 1373 | } | |||
| 1374 | ||||
| 1375 | // Test if this fork is for the teams construct, i.e. to form the outer league | |||
| 1376 | // of teams | |||
| 1377 | static inline bool __kmp_is_entering_teams(int active_level, int level, | |||
| 1378 | int teams_level, kmp_va_list ap) { | |||
| 1379 | return ((ap == NULL__null && active_level == 0) || | |||
| 1380 | (ap && teams_level > 0 && teams_level == level)); | |||
| 1381 | } | |||
| 1382 | ||||
| 1383 | // AC: This is start of parallel that is nested inside teams construct. | |||
| 1384 | // The team is actual (hot), all workers are ready at the fork barrier. | |||
| 1385 | // No lock needed to initialize the team a bit, then free workers. | |||
| 1386 | static inline int | |||
| 1387 | __kmp_fork_in_teams(ident_t *loc, int gtid, kmp_team_t *parent_team, | |||
| 1388 | kmp_int32 argc, kmp_info_t *master_th, kmp_root_t *root, | |||
| 1389 | enum fork_context_e call_context, microtask_t microtask, | |||
| 1390 | launch_t invoker, int master_set_numthreads, int level, | |||
| 1391 | #if OMPT_SUPPORT1 | |||
| 1392 | ompt_data_t ompt_parallel_data, void *return_address, | |||
| 1393 | #endif | |||
| 1394 | kmp_va_list ap) { | |||
| 1395 | void **argv; | |||
| 1396 | int i; | |||
| 1397 | ||||
| 1398 | parent_team->t.t_ident = loc; | |||
| 1399 | __kmp_alloc_argv_entries(argc, parent_team, TRUE(!0)); | |||
| 1400 | parent_team->t.t_argc = argc; | |||
| 1401 | argv = (void **)parent_team->t.t_argv; | |||
| 1402 | for (i = argc - 1; i >= 0; --i) { | |||
| 1403 | *argv++ = va_arg(kmp_va_deref(ap), void *)__builtin_va_arg((*(ap)), void *); | |||
| 1404 | } | |||
| 1405 | // Increment our nested depth levels, but not increase the serialization | |||
| 1406 | if (parent_team == master_th->th.th_serial_team) { | |||
| 1407 | // AC: we are in serialized parallel | |||
| 1408 | __kmpc_serialized_parallel(loc, gtid); | |||
| 1409 | KMP_DEBUG_ASSERT(parent_team->t.t_serialized > 1)if (!(parent_team->t.t_serialized > 1)) { __kmp_debug_assert ("parent_team->t.t_serialized > 1", "openmp/runtime/src/kmp_runtime.cpp" , 1409); }; | |||
| 1410 | ||||
| 1411 | if (call_context == fork_context_gnu) { | |||
| 1412 | // AC: need to decrement t_serialized for enquiry functions to work | |||
| 1413 | // correctly, will restore at join time | |||
| 1414 | parent_team->t.t_serialized--; | |||
| 1415 | return TRUE(!0); | |||
| 1416 | } | |||
| 1417 | ||||
| 1418 | #if OMPD_SUPPORT1 | |||
| 1419 | parent_team->t.t_pkfn = microtask; | |||
| 1420 | #endif | |||
| 1421 | ||||
| 1422 | #if OMPT_SUPPORT1 | |||
| 1423 | void *dummy; | |||
| 1424 | void **exit_frame_p; | |||
| 1425 | ompt_data_t *implicit_task_data; | |||
| 1426 | ompt_lw_taskteam_t lw_taskteam; | |||
| 1427 | ||||
| 1428 | if (ompt_enabled.enabled) { | |||
| 1429 | __ompt_lw_taskteam_init(&lw_taskteam, master_th, gtid, | |||
| 1430 | &ompt_parallel_data, return_address); | |||
| 1431 | exit_frame_p = &(lw_taskteam.ompt_task_info.frame.exit_frame.ptr); | |||
| 1432 | ||||
| 1433 | __ompt_lw_taskteam_link(&lw_taskteam, master_th, 0); | |||
| 1434 | // Don't use lw_taskteam after linking. Content was swapped. | |||
| 1435 | ||||
| 1436 | /* OMPT implicit task begin */ | |||
| 1437 | implicit_task_data = OMPT_CUR_TASK_DATA(master_th)(&(master_th->th.th_current_task->ompt_task_info.task_data )); | |||
| 1438 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 1439 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num = __kmp_tid_from_gtid(gtid); | |||
| 1440 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 1441 | ompt_scope_begin, OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )), implicit_task_data, | |||
| 1442 | 1, OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num, ompt_task_implicit); | |||
| 1443 | } | |||
| 1444 | ||||
| 1445 | /* OMPT state */ | |||
| 1446 | master_th->th.ompt_thread_info.state = ompt_state_work_parallel; | |||
| 1447 | } else { | |||
| 1448 | exit_frame_p = &dummy; | |||
| 1449 | } | |||
| 1450 | #endif | |||
| 1451 | ||||
| 1452 | // AC: need to decrement t_serialized for enquiry functions to work | |||
| 1453 | // correctly, will restore at join time | |||
| 1454 | parent_team->t.t_serialized--; | |||
| 1455 | ||||
| 1456 | { | |||
| 1457 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||
| 1458 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||
| 1459 | __kmp_invoke_microtask(microtask, gtid, 0, argc, parent_team->t.t_argv | |||
| 1460 | #if OMPT_SUPPORT1 | |||
| 1461 | , | |||
| 1462 | exit_frame_p | |||
| 1463 | #endif | |||
| 1464 | ); | |||
| 1465 | } | |||
| 1466 | ||||
| 1467 | #if OMPT_SUPPORT1 | |||
| 1468 | if (ompt_enabled.enabled) { | |||
| 1469 | *exit_frame_p = NULL__null; | |||
| 1470 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->frame.exit_frame = ompt_data_none{0}; | |||
| 1471 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 1472 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 1473 | ompt_scope_end, NULL__null, implicit_task_data, 1, | |||
| 1474 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num, ompt_task_implicit); | |||
| 1475 | } | |||
| 1476 | ompt_parallel_data = *OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )); | |||
| 1477 | __ompt_lw_taskteam_unlink(master_th); | |||
| 1478 | if (ompt_enabled.ompt_callback_parallel_end) { | |||
| 1479 | ompt_callbacks.ompt_callback(ompt_callback_parallel_end)ompt_callback_parallel_end_callback( | |||
| 1480 | &ompt_parallel_data, OMPT_CUR_TASK_DATA(master_th)(&(master_th->th.th_current_task->ompt_task_info.task_data )), | |||
| 1481 | OMPT_INVOKER(call_context)((call_context == fork_context_gnu) ? ompt_parallel_invoker_program : ompt_parallel_invoker_runtime) | ompt_parallel_team, return_address); | |||
| 1482 | } | |||
| 1483 | master_th->th.ompt_thread_info.state = ompt_state_overhead; | |||
| 1484 | } | |||
| 1485 | #endif | |||
| 1486 | return TRUE(!0); | |||
| 1487 | } | |||
| 1488 | ||||
| 1489 | parent_team->t.t_pkfn = microtask; | |||
| 1490 | parent_team->t.t_invoke = invoker; | |||
| 1491 | KMP_ATOMIC_INC(&root->r.r_in_parallel)(&root->r.r_in_parallel)->fetch_add(1, std::memory_order_acq_rel ); | |||
| 1492 | parent_team->t.t_active_level++; | |||
| 1493 | parent_team->t.t_level++; | |||
| 1494 | parent_team->t.t_def_allocator = master_th->th.th_def_allocator; // save | |||
| 1495 | ||||
| 1496 | // If the threads allocated to the team are less than the thread limit, update | |||
| 1497 | // the thread limit here. th_teams_size.nth is specific to this team nested | |||
| 1498 | // in a teams construct, the team is fully created, and we're about to do | |||
| 1499 | // the actual fork. Best to do this here so that the subsequent uses below | |||
| 1500 | // and in the join have the correct value. | |||
| 1501 | master_th->th.th_teams_size.nth = parent_team->t.t_nproc; | |||
| 1502 | ||||
| 1503 | #if OMPT_SUPPORT1 | |||
| 1504 | if (ompt_enabled.enabled) { | |||
| 1505 | ompt_lw_taskteam_t lw_taskteam; | |||
| 1506 | __ompt_lw_taskteam_init(&lw_taskteam, master_th, gtid, &ompt_parallel_data, | |||
| 1507 | return_address); | |||
| 1508 | __ompt_lw_taskteam_link(&lw_taskteam, master_th, 1, true); | |||
| 1509 | } | |||
| 1510 | #endif | |||
| 1511 | ||||
| 1512 | /* Change number of threads in the team if requested */ | |||
| 1513 | if (master_set_numthreads) { // The parallel has num_threads clause | |||
| 1514 | if (master_set_numthreads <= master_th->th.th_teams_size.nth) { | |||
| 1515 | // AC: only can reduce number of threads dynamically, can't increase | |||
| 1516 | kmp_info_t **other_threads = parent_team->t.t_threads; | |||
| 1517 | // NOTE: if using distributed barrier, we need to run this code block | |||
| 1518 | // even when the team size appears not to have changed from the max. | |||
| 1519 | int old_proc = master_th->th.th_teams_size.nth; | |||
| 1520 | if (__kmp_barrier_release_pattern[bs_forkjoin_barrier] == bp_dist_bar) { | |||
| 1521 | __kmp_resize_dist_barrier(parent_team, old_proc, master_set_numthreads); | |||
| 1522 | __kmp_add_threads_to_team(parent_team, master_set_numthreads); | |||
| 1523 | } | |||
| 1524 | parent_team->t.t_nproc = master_set_numthreads; | |||
| 1525 | for (i = 0; i < master_set_numthreads; ++i) { | |||
| 1526 | other_threads[i]->th.th_team_nproc = master_set_numthreads; | |||
| 1527 | } | |||
| 1528 | } | |||
| 1529 | // Keep extra threads hot in the team for possible next parallels | |||
| 1530 | master_th->th.th_set_nproc = 0; | |||
| 1531 | } | |||
| 1532 | ||||
| 1533 | #if USE_DEBUGGER0 | |||
| 1534 | if (__kmp_debugging) { // Let debugger override number of threads. | |||
| 1535 | int nth = __kmp_omp_num_threads(loc); | |||
| 1536 | if (nth > 0) { // 0 means debugger doesn't want to change num threads | |||
| 1537 | master_set_numthreads = nth; | |||
| 1538 | } | |||
| 1539 | } | |||
| 1540 | #endif | |||
| 1541 | ||||
| 1542 | // Figure out the proc_bind policy for the nested parallel within teams | |||
| 1543 | kmp_proc_bind_t proc_bind = master_th->th.th_set_proc_bind; | |||
| 1544 | // proc_bind_default means don't update | |||
| 1545 | kmp_proc_bind_t proc_bind_icv = proc_bind_default; | |||
| 1546 | if (master_th->th.th_current_task->td_icvs.proc_bind == proc_bind_false) { | |||
| 1547 | proc_bind = proc_bind_false; | |||
| 1548 | } else { | |||
| 1549 | // No proc_bind clause specified; use current proc-bind-var | |||
| 1550 | if (proc_bind == proc_bind_default) { | |||
| 1551 | proc_bind = master_th->th.th_current_task->td_icvs.proc_bind; | |||
| 1552 | } | |||
| 1553 | /* else: The proc_bind policy was specified explicitly on parallel clause. | |||
| 1554 | This overrides proc-bind-var for this parallel region, but does not | |||
| 1555 | change proc-bind-var. */ | |||
| 1556 | // Figure the value of proc-bind-var for the child threads. | |||
| 1557 | if ((level + 1 < __kmp_nested_proc_bind.used) && | |||
| 1558 | (__kmp_nested_proc_bind.bind_types[level + 1] != | |||
| 1559 | master_th->th.th_current_task->td_icvs.proc_bind)) { | |||
| 1560 | proc_bind_icv = __kmp_nested_proc_bind.bind_types[level + 1]; | |||
| 1561 | } | |||
| 1562 | } | |||
| 1563 | KMP_CHECK_UPDATE(parent_team->t.t_proc_bind, proc_bind)if ((parent_team->t.t_proc_bind) != (proc_bind)) (parent_team ->t.t_proc_bind) = (proc_bind); | |||
| 1564 | // Need to change the bind-var ICV to correct value for each implicit task | |||
| 1565 | if (proc_bind_icv != proc_bind_default && | |||
| 1566 | master_th->th.th_current_task->td_icvs.proc_bind != proc_bind_icv) { | |||
| 1567 | kmp_info_t **other_threads = parent_team->t.t_threads; | |||
| 1568 | for (i = 0; i < master_th->th.th_team_nproc; ++i) { | |||
| 1569 | other_threads[i]->th.th_current_task->td_icvs.proc_bind = proc_bind_icv; | |||
| 1570 | } | |||
| 1571 | } | |||
| 1572 | // Reset for next parallel region | |||
| 1573 | master_th->th.th_set_proc_bind = proc_bind_default; | |||
| 1574 | ||||
| 1575 | #if USE_ITT_BUILD1 && USE_ITT_NOTIFY1 | |||
| 1576 | if (((__itt_frame_submit_v3_ptr__kmp_itt_frame_submit_v3_ptr__3_0 && __itt_get_timestamp_ptr__kmp_itt_get_timestamp_ptr__3_0) || | |||
| 1577 | KMP_ITT_DEBUG0) && | |||
| 1578 | __kmp_forkjoin_frames_mode == 3 && | |||
| 1579 | parent_team->t.t_active_level == 1 // only report frames at level 1 | |||
| 1580 | && master_th->th.th_teams_size.nteams == 1) { | |||
| 1581 | kmp_uint64 tmp_time = __itt_get_timestamp(!__kmp_itt_get_timestamp_ptr__3_0) ? 0 : __kmp_itt_get_timestamp_ptr__3_0(); | |||
| 1582 | master_th->th.th_frame_time = tmp_time; | |||
| 1583 | parent_team->t.t_region_time = tmp_time; | |||
| 1584 | } | |||
| 1585 | if (__itt_stack_caller_create_ptr__kmp_itt_stack_caller_create_ptr__3_0) { | |||
| 1586 | KMP_DEBUG_ASSERT(parent_team->t.t_stack_id == NULL)if (!(parent_team->t.t_stack_id == __null)) { __kmp_debug_assert ("parent_team->t.t_stack_id == __null", "openmp/runtime/src/kmp_runtime.cpp" , 1586); }; | |||
| 1587 | // create new stack stitching id before entering fork barrier | |||
| 1588 | parent_team->t.t_stack_id = __kmp_itt_stack_caller_create(); | |||
| 1589 | } | |||
| 1590 | #endif /* USE_ITT_BUILD && USE_ITT_NOTIFY */ | |||
| 1591 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 1592 | __kmp_partition_places(parent_team); | |||
| 1593 | #endif | |||
| 1594 | ||||
| 1595 | KF_TRACE(10, ("__kmp_fork_in_teams: before internal fork: root=%p, team=%p, "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_in_teams: before internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); } | |||
| 1596 | "master_th=%p, gtid=%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_in_teams: before internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); } | |||
| 1597 | root, parent_team, master_th, gtid))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_in_teams: before internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); }; | |||
| 1598 | __kmp_internal_fork(loc, gtid, parent_team); | |||
| 1599 | KF_TRACE(10, ("__kmp_fork_in_teams: after internal fork: root=%p, team=%p, "if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_in_teams: after internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); } | |||
| 1600 | "master_th=%p, gtid=%d\n",if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_in_teams: after internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); } | |||
| 1601 | root, parent_team, master_th, gtid))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_in_teams: after internal fork: root=%p, team=%p, " "master_th=%p, gtid=%d\n", root, parent_team, master_th, gtid ); }; | |||
| 1602 | ||||
| 1603 | if (call_context == fork_context_gnu) | |||
| 1604 | return TRUE(!0); | |||
| 1605 | ||||
| 1606 | /* Invoke microtask for PRIMARY thread */ | |||
| 1607 | KA_TRACE(20, ("__kmp_fork_in_teams: T#%d(%d:0) invoke microtask = %p\n", gtid,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_in_teams: T#%d(%d:0) invoke microtask = %p\n" , gtid, parent_team->t.t_id, parent_team->t.t_pkfn); } | |||
| 1608 | parent_team->t.t_id, parent_team->t.t_pkfn))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_in_teams: T#%d(%d:0) invoke microtask = %p\n" , gtid, parent_team->t.t_id, parent_team->t.t_pkfn); }; | |||
| 1609 | ||||
| 1610 | if (!parent_team->t.t_invoke(gtid)) { | |||
| 1611 | KMP_ASSERT2(0, "cannot invoke microtask for PRIMARY thread")if (!(0)) { __kmp_debug_assert(("cannot invoke microtask for PRIMARY thread" ), "openmp/runtime/src/kmp_runtime.cpp", 1611); }; | |||
| 1612 | } | |||
| 1613 | KA_TRACE(20, ("__kmp_fork_in_teams: T#%d(%d:0) done microtask = %p\n", gtid,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_in_teams: T#%d(%d:0) done microtask = %p\n" , gtid, parent_team->t.t_id, parent_team->t.t_pkfn); } | |||
| 1614 | parent_team->t.t_id, parent_team->t.t_pkfn))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_in_teams: T#%d(%d:0) done microtask = %p\n" , gtid, parent_team->t.t_id, parent_team->t.t_pkfn); }; | |||
| 1615 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||
| 1616 | ||||
| 1617 | KA_TRACE(20, ("__kmp_fork_in_teams: parallel exit T#%d\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_in_teams: parallel exit T#%d\n" , gtid); }; | |||
| 1618 | ||||
| 1619 | return TRUE(!0); | |||
| 1620 | } | |||
| 1621 | ||||
| 1622 | // Create a serialized parallel region | |||
| 1623 | static inline int | |||
| 1624 | __kmp_serial_fork_call(ident_t *loc, int gtid, enum fork_context_e call_context, | |||
| 1625 | kmp_int32 argc, microtask_t microtask, launch_t invoker, | |||
| 1626 | kmp_info_t *master_th, kmp_team_t *parent_team, | |||
| 1627 | #if OMPT_SUPPORT1 | |||
| 1628 | ompt_data_t *ompt_parallel_data, void **return_address, | |||
| 1629 | ompt_data_t **parent_task_data, | |||
| 1630 | #endif | |||
| 1631 | kmp_va_list ap) { | |||
| 1632 | kmp_team_t *team; | |||
| 1633 | int i; | |||
| 1634 | void **argv; | |||
| 1635 | ||||
| 1636 | /* josh todo: hypothetical question: what do we do for OS X*? */ | |||
| 1637 | #if KMP_OS_LINUX1 && \ | |||
| 1638 | (KMP_ARCH_X860 || KMP_ARCH_X86_641 || KMP_ARCH_ARM || KMP_ARCH_AARCH640) | |||
| 1639 | void *args[argc]; | |||
| 1640 | #else | |||
| 1641 | void **args = (void **)KMP_ALLOCA(argc * sizeof(void *))__builtin_alloca (argc * sizeof(void *)); | |||
| 1642 | #endif /* KMP_OS_LINUX && ( KMP_ARCH_X86 || KMP_ARCH_X86_64 || KMP_ARCH_ARM || \ | |||
| 1643 | KMP_ARCH_AARCH64) */ | |||
| 1644 | ||||
| 1645 | KA_TRACE(if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_serial_fork_call: T#%d serializing parallel region\n" , gtid); } | |||
| 1646 | 20, ("__kmp_serial_fork_call: T#%d serializing parallel region\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_serial_fork_call: T#%d serializing parallel region\n" , gtid); }; | |||
| 1647 | ||||
| 1648 | __kmpc_serialized_parallel(loc, gtid); | |||
| 1649 | ||||
| 1650 | #if OMPD_SUPPORT1 | |||
| 1651 | master_th->th.th_serial_team->t.t_pkfn = microtask; | |||
| 1652 | #endif | |||
| 1653 | ||||
| 1654 | if (call_context == fork_context_intel) { | |||
| 1655 | /* TODO this sucks, use the compiler itself to pass args! :) */ | |||
| 1656 | master_th->th.th_serial_team->t.t_ident = loc; | |||
| 1657 | if (!ap) { | |||
| 1658 | // revert change made in __kmpc_serialized_parallel() | |||
| 1659 | master_th->th.th_serial_team->t.t_level--; | |||
| 1660 | // Get args from parent team for teams construct | |||
| 1661 | ||||
| 1662 | #if OMPT_SUPPORT1 | |||
| 1663 | void *dummy; | |||
| 1664 | void **exit_frame_p; | |||
| 1665 | ompt_task_info_t *task_info; | |||
| 1666 | ompt_lw_taskteam_t lw_taskteam; | |||
| 1667 | ||||
| 1668 | if (ompt_enabled.enabled) { | |||
| 1669 | __ompt_lw_taskteam_init(&lw_taskteam, master_th, gtid, | |||
| 1670 | ompt_parallel_data, *return_address); | |||
| 1671 | ||||
| 1672 | __ompt_lw_taskteam_link(&lw_taskteam, master_th, 0); | |||
| 1673 | // don't use lw_taskteam after linking. content was swaped | |||
| 1674 | task_info = OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info)); | |||
| 1675 | exit_frame_p = &(task_info->frame.exit_frame.ptr); | |||
| 1676 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 1677 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num = __kmp_tid_from_gtid(gtid); | |||
| 1678 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 1679 | ompt_scope_begin, OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )), | |||
| 1680 | &(task_info->task_data), 1, | |||
| 1681 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num, ompt_task_implicit); | |||
| 1682 | } | |||
| 1683 | ||||
| 1684 | /* OMPT state */ | |||
| 1685 | master_th->th.ompt_thread_info.state = ompt_state_work_parallel; | |||
| 1686 | } else { | |||
| 1687 | exit_frame_p = &dummy; | |||
| 1688 | } | |||
| 1689 | #endif | |||
| 1690 | ||||
| 1691 | { | |||
| 1692 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||
| 1693 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||
| 1694 | __kmp_invoke_microtask(microtask, gtid, 0, argc, parent_team->t.t_argv | |||
| 1695 | #if OMPT_SUPPORT1 | |||
| 1696 | , | |||
| 1697 | exit_frame_p | |||
| 1698 | #endif | |||
| 1699 | ); | |||
| 1700 | } | |||
| 1701 | ||||
| 1702 | #if OMPT_SUPPORT1 | |||
| 1703 | if (ompt_enabled.enabled) { | |||
| 1704 | *exit_frame_p = NULL__null; | |||
| 1705 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 1706 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 1707 | ompt_scope_end, NULL__null, &(task_info->task_data), 1, | |||
| 1708 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num, ompt_task_implicit); | |||
| 1709 | } | |||
| 1710 | *ompt_parallel_data = *OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )); | |||
| 1711 | __ompt_lw_taskteam_unlink(master_th); | |||
| 1712 | if (ompt_enabled.ompt_callback_parallel_end) { | |||
| 1713 | ompt_callbacks.ompt_callback(ompt_callback_parallel_end)ompt_callback_parallel_end_callback( | |||
| 1714 | ompt_parallel_data, *parent_task_data, | |||
| 1715 | OMPT_INVOKER(call_context)((call_context == fork_context_gnu) ? ompt_parallel_invoker_program : ompt_parallel_invoker_runtime) | ompt_parallel_team, *return_address); | |||
| 1716 | } | |||
| 1717 | master_th->th.ompt_thread_info.state = ompt_state_overhead; | |||
| 1718 | } | |||
| 1719 | #endif | |||
| 1720 | } else if (microtask == (microtask_t)__kmp_teams_master) { | |||
| 1721 | KMP_DEBUG_ASSERT(master_th->th.th_team == master_th->th.th_serial_team)if (!(master_th->th.th_team == master_th->th.th_serial_team )) { __kmp_debug_assert("master_th->th.th_team == master_th->th.th_serial_team" , "openmp/runtime/src/kmp_runtime.cpp", 1721); }; | |||
| 1722 | team = master_th->th.th_team; | |||
| 1723 | // team->t.t_pkfn = microtask; | |||
| 1724 | team->t.t_invoke = invoker; | |||
| 1725 | __kmp_alloc_argv_entries(argc, team, TRUE(!0)); | |||
| 1726 | team->t.t_argc = argc; | |||
| 1727 | argv = (void **)team->t.t_argv; | |||
| 1728 | if (ap) { | |||
| 1729 | for (i = argc - 1; i >= 0; --i) | |||
| 1730 | *argv++ = va_arg(kmp_va_deref(ap), void *)__builtin_va_arg((*(ap)), void *); | |||
| 1731 | } else { | |||
| 1732 | for (i = 0; i < argc; ++i) | |||
| 1733 | // Get args from parent team for teams construct | |||
| 1734 | argv[i] = parent_team->t.t_argv[i]; | |||
| 1735 | } | |||
| 1736 | // AC: revert change made in __kmpc_serialized_parallel() | |||
| 1737 | // because initial code in teams should have level=0 | |||
| 1738 | team->t.t_level--; | |||
| 1739 | // AC: call special invoker for outer "parallel" of teams construct | |||
| 1740 | invoker(gtid); | |||
| 1741 | #if OMPT_SUPPORT1 | |||
| 1742 | if (ompt_enabled.enabled) { | |||
| 1743 | ompt_task_info_t *task_info = OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info)); | |||
| 1744 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 1745 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 1746 | ompt_scope_end, NULL__null, &(task_info->task_data), 0, | |||
| 1747 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num, ompt_task_initial); | |||
| 1748 | } | |||
| 1749 | if (ompt_enabled.ompt_callback_parallel_end) { | |||
| 1750 | ompt_callbacks.ompt_callback(ompt_callback_parallel_end)ompt_callback_parallel_end_callback( | |||
| 1751 | ompt_parallel_data, *parent_task_data, | |||
| 1752 | OMPT_INVOKER(call_context)((call_context == fork_context_gnu) ? ompt_parallel_invoker_program : ompt_parallel_invoker_runtime) | ompt_parallel_league, | |||
| 1753 | *return_address); | |||
| 1754 | } | |||
| 1755 | master_th->th.ompt_thread_info.state = ompt_state_overhead; | |||
| 1756 | } | |||
| 1757 | #endif | |||
| 1758 | } else { | |||
| 1759 | argv = args; | |||
| 1760 | for (i = argc - 1; i >= 0; --i) | |||
| 1761 | *argv++ = va_arg(kmp_va_deref(ap), void *)__builtin_va_arg((*(ap)), void *); | |||
| 1762 | KMP_MB(); | |||
| 1763 | ||||
| 1764 | #if OMPT_SUPPORT1 | |||
| 1765 | void *dummy; | |||
| 1766 | void **exit_frame_p; | |||
| 1767 | ompt_task_info_t *task_info; | |||
| 1768 | ompt_lw_taskteam_t lw_taskteam; | |||
| 1769 | ompt_data_t *implicit_task_data; | |||
| 1770 | ||||
| 1771 | if (ompt_enabled.enabled) { | |||
| 1772 | __ompt_lw_taskteam_init(&lw_taskteam, master_th, gtid, | |||
| 1773 | ompt_parallel_data, *return_address); | |||
| 1774 | __ompt_lw_taskteam_link(&lw_taskteam, master_th, 0); | |||
| 1775 | // don't use lw_taskteam after linking. content was swaped | |||
| 1776 | task_info = OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info)); | |||
| 1777 | exit_frame_p = &(task_info->frame.exit_frame.ptr); | |||
| 1778 | ||||
| 1779 | /* OMPT implicit task begin */ | |||
| 1780 | implicit_task_data = OMPT_CUR_TASK_DATA(master_th)(&(master_th->th.th_current_task->ompt_task_info.task_data )); | |||
| 1781 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 1782 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 1783 | ompt_scope_begin, OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )), | |||
| 1784 | implicit_task_data, 1, __kmp_tid_from_gtid(gtid), | |||
| 1785 | ompt_task_implicit); | |||
| 1786 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num = __kmp_tid_from_gtid(gtid); | |||
| 1787 | } | |||
| 1788 | ||||
| 1789 | /* OMPT state */ | |||
| 1790 | master_th->th.ompt_thread_info.state = ompt_state_work_parallel; | |||
| 1791 | } else { | |||
| 1792 | exit_frame_p = &dummy; | |||
| 1793 | } | |||
| 1794 | #endif | |||
| 1795 | ||||
| 1796 | { | |||
| 1797 | KMP_TIME_PARTITIONED_BLOCK(OMP_parallel)((void)0); | |||
| 1798 | KMP_SET_THREAD_STATE_BLOCK(IMPLICIT_TASK)((void)0); | |||
| 1799 | __kmp_invoke_microtask(microtask, gtid, 0, argc, args | |||
| 1800 | #if OMPT_SUPPORT1 | |||
| 1801 | , | |||
| 1802 | exit_frame_p | |||
| 1803 | #endif | |||
| 1804 | ); | |||
| 1805 | } | |||
| 1806 | ||||
| 1807 | #if OMPT_SUPPORT1 | |||
| 1808 | if (ompt_enabled.enabled) { | |||
| 1809 | *exit_frame_p = NULL__null; | |||
| 1810 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 1811 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 1812 | ompt_scope_end, NULL__null, &(task_info->task_data), 1, | |||
| 1813 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num, ompt_task_implicit); | |||
| 1814 | } | |||
| 1815 | ||||
| 1816 | *ompt_parallel_data = *OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )); | |||
| 1817 | __ompt_lw_taskteam_unlink(master_th); | |||
| 1818 | if (ompt_enabled.ompt_callback_parallel_end) { | |||
| 1819 | ompt_callbacks.ompt_callback(ompt_callback_parallel_end)ompt_callback_parallel_end_callback( | |||
| 1820 | ompt_parallel_data, *parent_task_data, | |||
| 1821 | OMPT_INVOKER(call_context)((call_context == fork_context_gnu) ? ompt_parallel_invoker_program : ompt_parallel_invoker_runtime) | ompt_parallel_team, *return_address); | |||
| 1822 | } | |||
| 1823 | master_th->th.ompt_thread_info.state = ompt_state_overhead; | |||
| 1824 | } | |||
| 1825 | #endif | |||
| 1826 | } | |||
| 1827 | } else if (call_context == fork_context_gnu) { | |||
| 1828 | #if OMPT_SUPPORT1 | |||
| 1829 | if (ompt_enabled.enabled) { | |||
| 1830 | ompt_lw_taskteam_t lwt; | |||
| 1831 | __ompt_lw_taskteam_init(&lwt, master_th, gtid, ompt_parallel_data, | |||
| 1832 | *return_address); | |||
| 1833 | ||||
| 1834 | lwt.ompt_task_info.frame.exit_frame = ompt_data_none{0}; | |||
| 1835 | __ompt_lw_taskteam_link(&lwt, master_th, 1); | |||
| 1836 | } | |||
| 1837 | // don't use lw_taskteam after linking. content was swaped | |||
| 1838 | #endif | |||
| 1839 | ||||
| 1840 | // we were called from GNU native code | |||
| 1841 | KA_TRACE(20, ("__kmp_serial_fork_call: T#%d serial exit\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_serial_fork_call: T#%d serial exit\n" , gtid); }; | |||
| 1842 | return FALSE0; | |||
| 1843 | } else { | |||
| 1844 | KMP_ASSERT2(call_context < fork_context_last,if (!(call_context < fork_context_last)) { __kmp_debug_assert (("__kmp_serial_fork_call: unknown fork_context parameter"), "openmp/runtime/src/kmp_runtime.cpp" , 1845); } | |||
| 1845 | "__kmp_serial_fork_call: unknown fork_context parameter")if (!(call_context < fork_context_last)) { __kmp_debug_assert (("__kmp_serial_fork_call: unknown fork_context parameter"), "openmp/runtime/src/kmp_runtime.cpp" , 1845); }; | |||
| 1846 | } | |||
| 1847 | ||||
| 1848 | KA_TRACE(20, ("__kmp_serial_fork_call: T#%d serial exit\n", gtid))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_serial_fork_call: T#%d serial exit\n" , gtid); }; | |||
| 1849 | KMP_MB(); | |||
| 1850 | return FALSE0; | |||
| 1851 | } | |||
| 1852 | ||||
| 1853 | /* most of the work for a fork */ | |||
| 1854 | /* return true if we really went parallel, false if serialized */ | |||
| 1855 | int __kmp_fork_call(ident_t *loc, int gtid, | |||
| 1856 | enum fork_context_e call_context, // Intel, GNU, ... | |||
| 1857 | kmp_int32 argc, microtask_t microtask, launch_t invoker, | |||
| 1858 | kmp_va_list ap) { | |||
| 1859 | void **argv; | |||
| 1860 | int i; | |||
| 1861 | int master_tid; | |||
| 1862 | int master_this_cons; | |||
| 1863 | kmp_team_t *team; | |||
| 1864 | kmp_team_t *parent_team; | |||
| 1865 | kmp_info_t *master_th; | |||
| 1866 | kmp_root_t *root; | |||
| 1867 | int nthreads; | |||
| 1868 | int master_active; | |||
| 1869 | int master_set_numthreads; | |||
| 1870 | int level; | |||
| 1871 | int active_level; | |||
| 1872 | int teams_level; | |||
| 1873 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 1874 | kmp_hot_team_ptr_t **p_hot_teams; | |||
| 1875 | #endif | |||
| 1876 | { // KMP_TIME_BLOCK | |||
| 1877 | KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(KMP_fork_call)((void)0); | |||
| 1878 | KMP_COUNT_VALUE(OMP_PARALLEL_args, argc)((void)0); | |||
| 1879 | ||||
| 1880 | 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); }; | |||
| 1881 | if (__kmp_stkpadding > 0 && __kmp_root[gtid] != NULL__null) { | |||
| 1882 | /* Some systems prefer the stack for the root thread(s) to start with */ | |||
| 1883 | /* some gap from the parent stack to prevent false sharing. */ | |||
| 1884 | void *dummy = KMP_ALLOCA(__kmp_stkpadding)__builtin_alloca (__kmp_stkpadding); | |||
| 1885 | /* These 2 lines below are so this does not get optimized out */ | |||
| 1886 | if (__kmp_stkpadding > KMP_MAX_STKPADDING(2 * 1024 * 1024)) | |||
| 1887 | __kmp_stkpadding += (short)((kmp_int64)dummy); | |||
| 1888 | } | |||
| 1889 | ||||
| 1890 | /* initialize if needed */ | |||
| 1891 | KMP_DEBUG_ASSERT(if (!(__kmp_init_serial)) { __kmp_debug_assert("__kmp_init_serial" , "openmp/runtime/src/kmp_runtime.cpp", 1892); } | |||
| 1892 | __kmp_init_serial)if (!(__kmp_init_serial)) { __kmp_debug_assert("__kmp_init_serial" , "openmp/runtime/src/kmp_runtime.cpp", 1892); }; // AC: potentially unsafe, not in sync with shutdown | |||
| 1893 | if (!TCR_4(__kmp_init_parallel)(__kmp_init_parallel)) | |||
| 1894 | __kmp_parallel_initialize(); | |||
| 1895 | __kmp_resume_if_soft_paused(); | |||
| 1896 | ||||
| 1897 | /* setup current data */ | |||
| 1898 | // AC: potentially unsafe, not in sync with library shutdown, | |||
| 1899 | // __kmp_threads can be freed | |||
| 1900 | master_th = __kmp_threads[gtid]; | |||
| 1901 | ||||
| 1902 | parent_team = master_th->th.th_team; | |||
| 1903 | master_tid = master_th->th.th_info.ds.ds_tid; | |||
| 1904 | master_this_cons = master_th->th.th_local.this_construct; | |||
| 1905 | root = master_th->th.th_root; | |||
| 1906 | master_active = root->r.r_active; | |||
| 1907 | master_set_numthreads = master_th->th.th_set_nproc; | |||
| 1908 | ||||
| 1909 | #if OMPT_SUPPORT1 | |||
| 1910 | ompt_data_t ompt_parallel_data = ompt_data_none{0}; | |||
| 1911 | ompt_data_t *parent_task_data; | |||
| 1912 | ompt_frame_t *ompt_frame; | |||
| 1913 | void *return_address = NULL__null; | |||
| 1914 | ||||
| 1915 | if (ompt_enabled.enabled) { | |||
| 1916 | __ompt_get_task_info_internal(0, NULL__null, &parent_task_data, &ompt_frame, | |||
| 1917 | NULL__null, NULL__null); | |||
| 1918 | return_address = OMPT_LOAD_RETURN_ADDRESS(gtid)__ompt_load_return_address(gtid); | |||
| 1919 | } | |||
| 1920 | #endif | |||
| 1921 | ||||
| 1922 | // Assign affinity to root thread if it hasn't happened yet | |||
| 1923 | __kmp_assign_root_init_mask(); | |||
| 1924 | ||||
| 1925 | // Nested level will be an index in the nested nthreads array | |||
| 1926 | level = parent_team->t.t_level; | |||
| 1927 | // used to launch non-serial teams even if nested is not allowed | |||
| 1928 | active_level = parent_team->t.t_active_level; | |||
| 1929 | // needed to check nesting inside the teams | |||
| 1930 | teams_level = master_th->th.th_teams_level; | |||
| 1931 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 1932 | p_hot_teams = &master_th->th.th_hot_teams; | |||
| 1933 | if (*p_hot_teams == NULL__null && __kmp_hot_teams_max_level > 0) { | |||
| 1934 | *p_hot_teams = (kmp_hot_team_ptr_t *)__kmp_allocate(___kmp_allocate((sizeof(kmp_hot_team_ptr_t) * __kmp_hot_teams_max_level ), "openmp/runtime/src/kmp_runtime.cpp", 1935) | |||
| 1935 | sizeof(kmp_hot_team_ptr_t) * __kmp_hot_teams_max_level)___kmp_allocate((sizeof(kmp_hot_team_ptr_t) * __kmp_hot_teams_max_level ), "openmp/runtime/src/kmp_runtime.cpp", 1935); | |||
| 1936 | (*p_hot_teams)[0].hot_team = root->r.r_hot_team; | |||
| 1937 | // it is either actual or not needed (when active_level > 0) | |||
| 1938 | (*p_hot_teams)[0].hot_team_nth = 1; | |||
| 1939 | } | |||
| 1940 | #endif | |||
| 1941 | ||||
| 1942 | #if OMPT_SUPPORT1 | |||
| 1943 | if (ompt_enabled.enabled) { | |||
| 1944 | if (ompt_enabled.ompt_callback_parallel_begin) { | |||
| 1945 | int team_size = master_set_numthreads | |||
| 1946 | ? master_set_numthreads | |||
| 1947 | : get__nproc_2(parent_team, master_tid)((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.nproc); | |||
| 1948 | int flags = OMPT_INVOKER(call_context)((call_context == fork_context_gnu) ? ompt_parallel_invoker_program : ompt_parallel_invoker_runtime) | | |||
| 1949 | ((microtask == (microtask_t)__kmp_teams_master) | |||
| 1950 | ? ompt_parallel_league | |||
| 1951 | : ompt_parallel_team); | |||
| 1952 | ompt_callbacks.ompt_callback(ompt_callback_parallel_begin)ompt_callback_parallel_begin_callback( | |||
| 1953 | parent_task_data, ompt_frame, &ompt_parallel_data, team_size, flags, | |||
| 1954 | return_address); | |||
| 1955 | } | |||
| 1956 | master_th->th.ompt_thread_info.state = ompt_state_overhead; | |||
| 1957 | } | |||
| 1958 | #endif | |||
| 1959 | ||||
| 1960 | master_th->th.th_ident = loc; | |||
| 1961 | ||||
| 1962 | // Parallel closely nested in teams construct: | |||
| 1963 | if (__kmp_is_fork_in_teams(master_th, microtask, level, teams_level, ap)) { | |||
| 1964 | return __kmp_fork_in_teams(loc, gtid, parent_team, argc, master_th, root, | |||
| 1965 | call_context, microtask, invoker, | |||
| 1966 | master_set_numthreads, level, | |||
| 1967 | #if OMPT_SUPPORT1 | |||
| 1968 | ompt_parallel_data, return_address, | |||
| 1969 | #endif | |||
| 1970 | ap); | |||
| 1971 | } // End parallel closely nested in teams construct | |||
| 1972 | ||||
| 1973 | #if KMP_DEBUG1 | |||
| 1974 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||
| 1975 | KMP_DEBUG_ASSERT(master_th->th.th_task_team ==if (!(master_th->th.th_task_team == parent_team->t.t_task_team [master_th->th.th_task_state])) { __kmp_debug_assert("master_th->th.th_task_team == parent_team->t.t_task_team[master_th->th.th_task_state]" , "openmp/runtime/src/kmp_runtime.cpp", 1976); } | |||
| 1976 | parent_team->t.t_task_team[master_th->th.th_task_state])if (!(master_th->th.th_task_team == parent_team->t.t_task_team [master_th->th.th_task_state])) { __kmp_debug_assert("master_th->th.th_task_team == parent_team->t.t_task_team[master_th->th.th_task_state]" , "openmp/runtime/src/kmp_runtime.cpp", 1976); }; | |||
| 1977 | } | |||
| 1978 | #endif | |||
| 1979 | ||||
| 1980 | // Need this to happen before we determine the number of threads, not while | |||
| 1981 | // we are allocating the team | |||
| 1982 | //__kmp_push_current_task_to_thread(master_th, parent_team, 0); | |||
| 1983 | ||||
| 1984 | // Determine the number of threads | |||
| 1985 | int enter_teams = | |||
| 1986 | __kmp_is_entering_teams(active_level, level, teams_level, ap); | |||
| 1987 | if ((!enter_teams && | |||
| 1988 | (parent_team->t.t_active_level >= | |||
| 1989 | master_th->th.th_current_task->td_icvs.max_active_levels)) || | |||
| 1990 | (__kmp_library == library_serial)) { | |||
| 1991 | KC_TRACE(10, ("__kmp_fork_call: T#%d serializing team\n", gtid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: T#%d serializing team\n" , gtid); }; | |||
| 1992 | nthreads = 1; | |||
| 1993 | } else { | |||
| 1994 | nthreads = master_set_numthreads | |||
| 1995 | ? master_set_numthreads | |||
| 1996 | // TODO: get nproc directly from current task | |||
| 1997 | : get__nproc_2(parent_team, master_tid)((parent_team)->t.t_threads[(master_tid)]->th.th_current_task ->td_icvs.nproc); | |||
| 1998 | // Check if we need to take forkjoin lock? (no need for serialized | |||
| 1999 | // parallel out of teams construct). | |||
| 2000 | if (nthreads > 1) { | |||
| 2001 | /* determine how many new threads we can use */ | |||
| 2002 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 2003 | /* AC: If we execute teams from parallel region (on host), then teams | |||
| 2004 | should be created but each can only have 1 thread if nesting is | |||
| 2005 | disabled. If teams called from serial region, then teams and their | |||
| 2006 | threads should be created regardless of the nesting setting. */ | |||
| 2007 | nthreads = __kmp_reserve_threads(root, parent_team, master_tid, | |||
| 2008 | nthreads, enter_teams); | |||
| 2009 | if (nthreads == 1) { | |||
| 2010 | // Free lock for single thread execution here; for multi-thread | |||
| 2011 | // execution it will be freed later after team of threads created | |||
| 2012 | // and initialized | |||
| 2013 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 2014 | } | |||
| 2015 | } | |||
| 2016 | } | |||
| 2017 | KMP_DEBUG_ASSERT(nthreads > 0)if (!(nthreads > 0)) { __kmp_debug_assert("nthreads > 0" , "openmp/runtime/src/kmp_runtime.cpp", 2017); }; | |||
| 2018 | ||||
| 2019 | // If we temporarily changed the set number of threads then restore it now | |||
| 2020 | master_th->th.th_set_nproc = 0; | |||
| 2021 | ||||
| 2022 | if (nthreads == 1) { | |||
| 2023 | return __kmp_serial_fork_call(loc, gtid, call_context, argc, microtask, | |||
| 2024 | invoker, master_th, parent_team, | |||
| 2025 | #if OMPT_SUPPORT1 | |||
| 2026 | &ompt_parallel_data, &return_address, | |||
| 2027 | &parent_task_data, | |||
| 2028 | #endif | |||
| 2029 | ap); | |||
| 2030 | } // if (nthreads == 1) | |||
| 2031 | ||||
| 2032 | // GEH: only modify the executing flag in the case when not serialized | |||
| 2033 | // serialized case is handled in kmpc_serialized_parallel | |||
| 2034 | 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); } | |||
| 2035 | "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); } | |||
| 2036 | 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); } | |||
| 2037 | 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); } | |||
| 2038 | 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); }; | |||
| 2039 | // TODO: GEH - cannot do this assertion because root thread not set up as | |||
| 2040 | // executing | |||
| 2041 | // KMP_ASSERT( master_th->th.th_current_task->td_flags.executing == 1 ); | |||
| 2042 | master_th->th.th_current_task->td_flags.executing = 0; | |||
| 2043 | ||||
| 2044 | if (!master_th->th.th_teams_microtask || level > teams_level) { | |||
| 2045 | /* Increment our nested depth level */ | |||
| 2046 | KMP_ATOMIC_INC(&root->r.r_in_parallel)(&root->r.r_in_parallel)->fetch_add(1, std::memory_order_acq_rel ); | |||
| 2047 | } | |||
| 2048 | ||||
| 2049 | // See if we need to make a copy of the ICVs. | |||
| 2050 | int nthreads_icv = master_th->th.th_current_task->td_icvs.nproc; | |||
| 2051 | if ((level + 1 < __kmp_nested_nth.used) && | |||
| 2052 | (__kmp_nested_nth.nth[level + 1] != nthreads_icv)) { | |||
| 2053 | nthreads_icv = __kmp_nested_nth.nth[level + 1]; | |||
| 2054 | } else { | |||
| 2055 | nthreads_icv = 0; // don't update | |||
| 2056 | } | |||
| 2057 | ||||
| 2058 | // Figure out the proc_bind_policy for the new team. | |||
| 2059 | kmp_proc_bind_t proc_bind = master_th->th.th_set_proc_bind; | |||
| 2060 | // proc_bind_default means don't update | |||
| 2061 | kmp_proc_bind_t proc_bind_icv = proc_bind_default; | |||
| 2062 | if (master_th->th.th_current_task->td_icvs.proc_bind == proc_bind_false) { | |||
| 2063 | proc_bind = proc_bind_false; | |||
| 2064 | } else { | |||
| 2065 | // No proc_bind clause specified; use current proc-bind-var for this | |||
| 2066 | // parallel region | |||
| 2067 | if (proc_bind == proc_bind_default) { | |||
| 2068 | proc_bind = master_th->th.th_current_task->td_icvs.proc_bind; | |||
| 2069 | } | |||
| 2070 | // Have teams construct take proc_bind value from KMP_TEAMS_PROC_BIND | |||
| 2071 | if (master_th->th.th_teams_microtask && | |||
| 2072 | microtask == (microtask_t)__kmp_teams_master) { | |||
| 2073 | proc_bind = __kmp_teams_proc_bind; | |||
| 2074 | } | |||
| 2075 | /* else: The proc_bind policy was specified explicitly on parallel clause. | |||
| 2076 | This overrides proc-bind-var for this parallel region, but does not | |||
| 2077 | change proc-bind-var. */ | |||
| 2078 | // Figure the value of proc-bind-var for the child threads. | |||
| 2079 | if ((level + 1 < __kmp_nested_proc_bind.used) && | |||
| 2080 | (__kmp_nested_proc_bind.bind_types[level + 1] != | |||
| 2081 | master_th->th.th_current_task->td_icvs.proc_bind)) { | |||
| 2082 | // Do not modify the proc bind icv for the two teams construct forks | |||
| 2083 | // They just let the proc bind icv pass through | |||
| 2084 | if (!master_th->th.th_teams_microtask || | |||
| 2085 | !(microtask == (microtask_t)__kmp_teams_master || ap == NULL__null)) | |||
| 2086 | proc_bind_icv = __kmp_nested_proc_bind.bind_types[level + 1]; | |||
| 2087 | } | |||
| 2088 | } | |||
| 2089 | ||||
| 2090 | // Reset for next parallel region | |||
| 2091 | master_th->th.th_set_proc_bind = proc_bind_default; | |||
| 2092 | ||||
| 2093 | if ((nthreads_icv > 0) || (proc_bind_icv != proc_bind_default)) { | |||
| 2094 | kmp_internal_control_t new_icvs; | |||
| 2095 | copy_icvs(&new_icvs, &master_th->th.th_current_task->td_icvs); | |||
| 2096 | new_icvs.next = NULL__null; | |||
| 2097 | if (nthreads_icv > 0) { | |||
| 2098 | new_icvs.nproc = nthreads_icv; | |||
| 2099 | } | |||
| 2100 | if (proc_bind_icv != proc_bind_default) { | |||
| 2101 | new_icvs.proc_bind = proc_bind_icv; | |||
| 2102 | } | |||
| 2103 | ||||
| 2104 | /* allocate a new parallel team */ | |||
| 2105 | 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" ); }; | |||
| 2106 | team = __kmp_allocate_team(root, nthreads, nthreads, | |||
| 2107 | #if OMPT_SUPPORT1 | |||
| 2108 | ompt_parallel_data, | |||
| 2109 | #endif | |||
| 2110 | proc_bind, &new_icvs, | |||
| 2111 | argc USE_NESTED_HOT_ARG(master_th), master_th); | |||
| 2112 | if (__kmp_barrier_release_pattern[bs_forkjoin_barrier] == bp_dist_bar) | |||
| 2113 | copy_icvs((kmp_internal_control_t *)team->t.b->team_icvs, &new_icvs); | |||
| 2114 | } else { | |||
| 2115 | /* allocate a new parallel team */ | |||
| 2116 | 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" ); }; | |||
| 2117 | team = __kmp_allocate_team(root, nthreads, nthreads, | |||
| 2118 | #if OMPT_SUPPORT1 | |||
| 2119 | ompt_parallel_data, | |||
| 2120 | #endif | |||
| 2121 | proc_bind, | |||
| 2122 | &master_th->th.th_current_task->td_icvs, | |||
| 2123 | argc USE_NESTED_HOT_ARG(master_th), master_th); | |||
| 2124 | if (__kmp_barrier_release_pattern[bs_forkjoin_barrier] == bp_dist_bar) | |||
| 2125 | copy_icvs((kmp_internal_control_t *)team->t.b->team_icvs, | |||
| 2126 | &master_th->th.th_current_task->td_icvs); | |||
| 2127 | } | |||
| 2128 | KF_TRACE(if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_fork_call: after __kmp_allocate_team - team = %p\n" , team); } | |||
| 2129 | 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); }; | |||
| 2130 | ||||
| 2131 | /* setup the new team */ | |||
| 2132 | 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); | |||
| 2133 | 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); | |||
| 2134 | KMP_CHECK_UPDATE(team->t.t_ident, loc)if ((team->t.t_ident) != (loc)) (team->t.t_ident) = (loc ); | |||
| 2135 | KMP_CHECK_UPDATE(team->t.t_parent, parent_team)if ((team->t.t_parent) != (parent_team)) (team->t.t_parent ) = (parent_team); | |||
| 2136 | KMP_CHECK_UPDATE_SYNC(team->t.t_pkfn, microtask)if ((team->t.t_pkfn) != (microtask)) (((team->t.t_pkfn) )) = (((microtask))); | |||
| 2137 | #if OMPT_SUPPORT1 | |||
| 2138 | 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))) | |||
| 2139 | return_address)if ((team->t.ompt_team_info.master_return_address) != (return_address )) (((team->t.ompt_team_info.master_return_address))) = (( (return_address))); | |||
| 2140 | #endif | |||
| 2141 | KMP_CHECK_UPDATE(team->t.t_invoke, invoker)if ((team->t.t_invoke) != (invoker)) (team->t.t_invoke) = (invoker); // TODO move to root, maybe | |||
| 2142 | // TODO: parent_team->t.t_level == INT_MAX ??? | |||
| 2143 | if (!master_th->th.th_teams_microtask || level > teams_level) { | |||
| 2144 | int new_level = parent_team->t.t_level + 1; | |||
| 2145 | KMP_CHECK_UPDATE(team->t.t_level, new_level)if ((team->t.t_level) != (new_level)) (team->t.t_level) = (new_level); | |||
| 2146 | new_level = parent_team->t.t_active_level + 1; | |||
| 2147 | 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); | |||
| 2148 | } else { | |||
| 2149 | // AC: Do not increase parallel level at start of the teams construct | |||
| 2150 | int new_level = parent_team->t.t_level; | |||
| 2151 | KMP_CHECK_UPDATE(team->t.t_level, new_level)if ((team->t.t_level) != (new_level)) (team->t.t_level) = (new_level); | |||
| 2152 | new_level = parent_team->t.t_active_level; | |||
| 2153 | 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); | |||
| 2154 | } | |||
| 2155 | 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); | |||
| 2156 | // set primary thread's schedule as new run-time schedule | |||
| 2157 | 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); | |||
| 2158 | ||||
| 2159 | 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); | |||
| 2160 | KMP_CHECK_UPDATE(team->t.t_def_allocator, master_th->th.th_def_allocator)if ((team->t.t_def_allocator) != (master_th->th.th_def_allocator )) (team->t.t_def_allocator) = (master_th->th.th_def_allocator ); | |||
| 2161 | ||||
| 2162 | // Update the floating point rounding in the team if required. | |||
| 2163 | propagateFPControl(team); | |||
| 2164 | #if OMPD_SUPPORT1 | |||
| 2165 | if (ompd_state & OMPD_ENABLE_BP0x1) | |||
| 2166 | ompd_bp_parallel_begin(); | |||
| 2167 | #endif | |||
| 2168 | ||||
| 2169 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||
| 2170 | // Set primary thread's task team to team's task team. Unless this is hot | |||
| 2171 | // team, it should be NULL. | |||
| 2172 | KMP_DEBUG_ASSERT(master_th->th.th_task_team ==if (!(master_th->th.th_task_team == parent_team->t.t_task_team [master_th->th.th_task_state])) { __kmp_debug_assert("master_th->th.th_task_team == parent_team->t.t_task_team[master_th->th.th_task_state]" , "openmp/runtime/src/kmp_runtime.cpp", 2173); } | |||
| 2173 | parent_team->t.t_task_team[master_th->th.th_task_state])if (!(master_th->th.th_task_team == parent_team->t.t_task_team [master_th->th.th_task_state])) { __kmp_debug_assert("master_th->th.th_task_team == parent_team->t.t_task_team[master_th->th.th_task_state]" , "openmp/runtime/src/kmp_runtime.cpp", 2173); }; | |||
| 2174 | KA_TRACE(20, ("__kmp_fork_call: Primary T#%d pushing task_team %p / team "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: Primary T#%d pushing task_team %p / team " "%p, new task_team %p / team %p\n", __kmp_gtid_from_thread(master_th ), master_th->th.th_task_team, parent_team, team->t.t_task_team [master_th->th.th_task_state], team); } | |||
| 2175 | "%p, new task_team %p / team %p\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: Primary T#%d pushing task_team %p / team " "%p, new task_team %p / team %p\n", __kmp_gtid_from_thread(master_th ), master_th->th.th_task_team, parent_team, team->t.t_task_team [master_th->th.th_task_state], team); } | |||
| 2176 | __kmp_gtid_from_thread(master_th),if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: Primary T#%d pushing task_team %p / team " "%p, new task_team %p / team %p\n", __kmp_gtid_from_thread(master_th ), master_th->th.th_task_team, parent_team, team->t.t_task_team [master_th->th.th_task_state], team); } | |||
| 2177 | master_th->th.th_task_team, parent_team,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: Primary T#%d pushing task_team %p / team " "%p, new task_team %p / team %p\n", __kmp_gtid_from_thread(master_th ), master_th->th.th_task_team, parent_team, team->t.t_task_team [master_th->th.th_task_state], team); } | |||
| 2178 | team->t.t_task_team[master_th->th.th_task_state], team))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_fork_call: Primary T#%d pushing task_team %p / team " "%p, new task_team %p / team %p\n", __kmp_gtid_from_thread(master_th ), master_th->th.th_task_team, parent_team, team->t.t_task_team [master_th->th.th_task_state], team); }; | |||
| 2179 | ||||
| 2180 | if (active_level || master_th->th.th_task_team) { | |||
| 2181 | // Take a memo of primary thread's task_state | |||
| 2182 | KMP_DEBUG_ASSERT(master_th->th.th_task_state_memo_stack)if (!(master_th->th.th_task_state_memo_stack)) { __kmp_debug_assert ("master_th->th.th_task_state_memo_stack", "openmp/runtime/src/kmp_runtime.cpp" , 2182); }; | |||
| 2183 | if (master_th->th.th_task_state_top >= | |||
| 2184 | master_th->th.th_task_state_stack_sz) { // increase size | |||
| 2185 | kmp_uint32 new_size = 2 * master_th->th.th_task_state_stack_sz; | |||
| 2186 | kmp_uint8 *old_stack, *new_stack; | |||
| 2187 | kmp_uint32 i; | |||
| 2188 | new_stack = (kmp_uint8 *)__kmp_allocate(new_size)___kmp_allocate((new_size), "openmp/runtime/src/kmp_runtime.cpp" , 2188); | |||
| 2189 | for (i = 0; i < master_th->th.th_task_state_stack_sz; ++i) { | |||
| 2190 | new_stack[i] = master_th->th.th_task_state_memo_stack[i]; | |||
| 2191 | } | |||
| 2192 | for (i = master_th->th.th_task_state_stack_sz; i < new_size; | |||
| 2193 | ++i) { // zero-init rest of stack | |||
| 2194 | new_stack[i] = 0; | |||
| 2195 | } | |||
| 2196 | old_stack = master_th->th.th_task_state_memo_stack; | |||
| 2197 | master_th->th.th_task_state_memo_stack = new_stack; | |||
| 2198 | master_th->th.th_task_state_stack_sz = new_size; | |||
| 2199 | __kmp_free(old_stack)___kmp_free((old_stack), "openmp/runtime/src/kmp_runtime.cpp" , 2199); | |||
| 2200 | } | |||
| 2201 | // Store primary thread's task_state on stack | |||
| 2202 | master_th->th | |||
| 2203 | .th_task_state_memo_stack[master_th->th.th_task_state_top] = | |||
| 2204 | master_th->th.th_task_state; | |||
| 2205 | master_th->th.th_task_state_top++; | |||
| 2206 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 2207 | if (master_th->th.th_hot_teams && | |||
| 2208 | active_level < __kmp_hot_teams_max_level && | |||
| 2209 | team == master_th->th.th_hot_teams[active_level].hot_team) { | |||
| 2210 | // Restore primary thread's nested state if nested hot team | |||
| 2211 | master_th->th.th_task_state = | |||
| 2212 | master_th->th | |||
| 2213 | .th_task_state_memo_stack[master_th->th.th_task_state_top]; | |||
| 2214 | } else { | |||
| 2215 | #endif | |||
| 2216 | master_th->th.th_task_state = 0; | |||
| 2217 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 2218 | } | |||
| 2219 | #endif | |||
| 2220 | } | |||
| 2221 | #if !KMP_NESTED_HOT_TEAMS1 | |||
| 2222 | KMP_DEBUG_ASSERT((master_th->th.th_task_team == NULL) ||if (!((master_th->th.th_task_team == __null) || (team == root ->r.r_hot_team))) { __kmp_debug_assert("(master_th->th.th_task_team == __null) || (team == root->r.r_hot_team)" , "openmp/runtime/src/kmp_runtime.cpp", 2223); } | |||
| 2223 | (team == root->r.r_hot_team))if (!((master_th->th.th_task_team == __null) || (team == root ->r.r_hot_team))) { __kmp_debug_assert("(master_th->th.th_task_team == __null) || (team == root->r.r_hot_team)" , "openmp/runtime/src/kmp_runtime.cpp", 2223); }; | |||
| 2224 | #endif | |||
| 2225 | } | |||
| 2226 | ||||
| 2227 | 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); } | |||
| 2228 | 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); } | |||
| 2229 | ("__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); } | |||
| 2230 | 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); } | |||
| 2231 | 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); }; | |||
| 2232 | KMP_DEBUG_ASSERT(team != root->r.r_hot_team ||if (!(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)))) { __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))" , "openmp/runtime/src/kmp_runtime.cpp", 2235); } | |||
| 2233 | (team->t.t_master_tid == 0 &&if (!(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)))) { __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))" , "openmp/runtime/src/kmp_runtime.cpp", 2235); } | |||
| 2234 | (team->t.t_parent == root->r.r_root_team ||if (!(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)))) { __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))" , "openmp/runtime/src/kmp_runtime.cpp", 2235); } | |||
| 2235 | team->t.t_parent->t.t_serialized)))if (!(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)))) { __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))" , "openmp/runtime/src/kmp_runtime.cpp", 2235); }; | |||
| 2236 | KMP_MB(); | |||
| 2237 | ||||
| 2238 | /* now, setup the arguments */ | |||
| 2239 | argv = (void **)team->t.t_argv; | |||
| 2240 | if (ap) { | |||
| 2241 | for (i = argc - 1; i >= 0; --i) { | |||
| 2242 | void *new_argv = va_arg(kmp_va_deref(ap), void *)__builtin_va_arg((*(ap)), void *); | |||
| 2243 | KMP_CHECK_UPDATE(*argv, new_argv)if ((*argv) != (new_argv)) (*argv) = (new_argv); | |||
| 2244 | argv++; | |||
| 2245 | } | |||
| 2246 | } else { | |||
| 2247 | for (i = 0; i < argc; ++i) { | |||
| 2248 | // Get args from parent team for teams construct | |||
| 2249 | 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]); | |||
| 2250 | } | |||
| 2251 | } | |||
| 2252 | ||||
| 2253 | /* now actually fork the threads */ | |||
| 2254 | 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); | |||
| 2255 | if (!root->r.r_active) // Only do assignment if it prevents cache ping-pong | |||
| 2256 | root->r.r_active = TRUE(!0); | |||
| 2257 | ||||
| 2258 | __kmp_fork_team_threads(root, team, master_th, gtid, !ap); | |||
| 2259 | __kmp_setup_icv_copy(team, nthreads, | |||
| 2260 | &master_th->th.th_current_task->td_icvs, loc); | |||
| 2261 | ||||
| 2262 | #if OMPT_SUPPORT1 | |||
| 2263 | master_th->th.ompt_thread_info.state = ompt_state_work_parallel; | |||
| 2264 | #endif | |||
| 2265 | ||||
| 2266 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 2267 | ||||
| 2268 | #if USE_ITT_BUILD1 | |||
| 2269 | if (team->t.t_active_level == 1 // only report frames at level 1 | |||
| 2270 | && !master_th->th.th_teams_microtask) { // not in teams construct | |||
| 2271 | #if USE_ITT_NOTIFY1 | |||
| 2272 | if ((__itt_frame_submit_v3_ptr__kmp_itt_frame_submit_v3_ptr__3_0 || KMP_ITT_DEBUG0) && | |||
| 2273 | (__kmp_forkjoin_frames_mode == 3 || | |||
| 2274 | __kmp_forkjoin_frames_mode == 1)) { | |||
| 2275 | kmp_uint64 tmp_time = 0; | |||
| 2276 | if (__itt_get_timestamp_ptr__kmp_itt_get_timestamp_ptr__3_0) | |||
| 2277 | tmp_time = __itt_get_timestamp(!__kmp_itt_get_timestamp_ptr__3_0) ? 0 : __kmp_itt_get_timestamp_ptr__3_0(); | |||
| 2278 | // Internal fork - report frame begin | |||
| 2279 | master_th->th.th_frame_time = tmp_time; | |||
| 2280 | if (__kmp_forkjoin_frames_mode == 3) | |||
| 2281 | team->t.t_region_time = tmp_time; | |||
| 2282 | } else | |||
| 2283 | // only one notification scheme (either "submit" or "forking/joined", not both) | |||
| 2284 | #endif /* USE_ITT_NOTIFY */ | |||
| 2285 | if ((__itt_frame_begin_v3_ptr__kmp_itt_frame_begin_v3_ptr__3_0 || KMP_ITT_DEBUG0) && | |||
| 2286 | __kmp_forkjoin_frames && !__kmp_forkjoin_frames_mode) { | |||
| 2287 | // Mark start of "parallel" region for Intel(R) VTune(TM) analyzer. | |||
| 2288 | __kmp_itt_region_forking(gtid, team->t.t_nproc, 0); | |||
| 2289 | } | |||
| 2290 | } | |||
| 2291 | #endif /* USE_ITT_BUILD */ | |||
| 2292 | ||||
| 2293 | /* now go on and do the work */ | |||
| 2294 | KMP_DEBUG_ASSERT(team == __kmp_threads[gtid]->th.th_team)if (!(team == __kmp_threads[gtid]->th.th_team)) { __kmp_debug_assert ("team == __kmp_threads[gtid]->th.th_team", "openmp/runtime/src/kmp_runtime.cpp" , 2294); }; | |||
| 2295 | KMP_MB(); | |||
| 2296 | 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); } | |||
| 2297 | ("__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); } | |||
| 2298 | 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); }; | |||
| 2299 | ||||
| 2300 | #if USE_ITT_BUILD1 | |||
| 2301 | if (__itt_stack_caller_create_ptr__kmp_itt_stack_caller_create_ptr__3_0) { | |||
| 2302 | // create new stack stitching id before entering fork barrier | |||
| 2303 | if (!enter_teams) { | |||
| 2304 | KMP_DEBUG_ASSERT(team->t.t_stack_id == NULL)if (!(team->t.t_stack_id == __null)) { __kmp_debug_assert( "team->t.t_stack_id == __null", "openmp/runtime/src/kmp_runtime.cpp" , 2304); }; | |||
| 2305 | team->t.t_stack_id = __kmp_itt_stack_caller_create(); | |||
| 2306 | } else if (parent_team->t.t_serialized) { | |||
| 2307 | // keep stack stitching id in the serialized parent_team; | |||
| 2308 | // current team will be used for parallel inside the teams; | |||
| 2309 | // if parent_team is active, then it already keeps stack stitching id | |||
| 2310 | // for the league of teams | |||
| 2311 | KMP_DEBUG_ASSERT(parent_team->t.t_stack_id == NULL)if (!(parent_team->t.t_stack_id == __null)) { __kmp_debug_assert ("parent_team->t.t_stack_id == __null", "openmp/runtime/src/kmp_runtime.cpp" , 2311); }; | |||
| 2312 | parent_team->t.t_stack_id = __kmp_itt_stack_caller_create(); | |||
| 2313 | } | |||
| 2314 | } | |||
| 2315 | #endif /* USE_ITT_BUILD */ | |||
| 2316 | ||||
| 2317 | // AC: skip __kmp_internal_fork at teams construct, let only primary | |||
| 2318 | // threads execute | |||
| 2319 | if (ap) { | |||
| 2320 | __kmp_internal_fork(loc, gtid, team); | |||
| 2321 | 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); } | |||
| 2322 | "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); } | |||
| 2323 | 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); }; | |||
| 2324 | } | |||
| 2325 | ||||
| 2326 | if (call_context == fork_context_gnu) { | |||
| 2327 | 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); }; | |||
| 2328 | return TRUE(!0); | |||
| 2329 | } | |||
| 2330 | ||||
| 2331 | /* Invoke microtask for PRIMARY thread */ | |||
| 2332 | 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); } | |||
| 2333 | 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); }; | |||
| 2334 | } // END of timer KMP_fork_call block | |||
| 2335 | ||||
| 2336 | #if KMP_STATS_ENABLED0 | |||
| 2337 | // If beginning a teams construct, then change thread state | |||
| 2338 | stats_state_e previous_state = KMP_GET_THREAD_STATE()((void)0); | |||
| 2339 | if (!ap) { | |||
| 2340 | KMP_SET_THREAD_STATE(stats_state_e::TEAMS_REGION)((void)0); | |||
| 2341 | } | |||
| 2342 | #endif | |||
| 2343 | ||||
| 2344 | if (!team->t.t_invoke(gtid)) { | |||
| 2345 | KMP_ASSERT2(0, "cannot invoke microtask for PRIMARY thread")if (!(0)) { __kmp_debug_assert(("cannot invoke microtask for PRIMARY thread" ), "openmp/runtime/src/kmp_runtime.cpp", 2345); }; | |||
| 2346 | } | |||
| 2347 | ||||
| 2348 | #if KMP_STATS_ENABLED0 | |||
| 2349 | // If was beginning of a teams construct, then reset thread state | |||
| 2350 | if (!ap) { | |||
| 2351 | KMP_SET_THREAD_STATE(previous_state)((void)0); | |||
| 2352 | } | |||
| 2353 | #endif | |||
| 2354 | ||||
| 2355 | 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); } | |||
| 2356 | 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); }; | |||
| 2357 | KMP_MB(); /* Flush all pending memory write invalidates. */ | |||
| 2358 | ||||
| 2359 | 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); }; | |||
| 2360 | #if OMPT_SUPPORT1 | |||
| 2361 | if (ompt_enabled.enabled) { | |||
| 2362 | master_th->th.ompt_thread_info.state = ompt_state_overhead; | |||
| 2363 | } | |||
| 2364 | #endif | |||
| 2365 | ||||
| 2366 | return TRUE(!0); | |||
| 2367 | } | |||
| 2368 | ||||
| 2369 | #if OMPT_SUPPORT1 | |||
| 2370 | static inline void __kmp_join_restore_state(kmp_info_t *thread, | |||
| 2371 | kmp_team_t *team) { | |||
| 2372 | // restore state outside the region | |||
| 2373 | thread->th.ompt_thread_info.state = | |||
| 2374 | ((team->t.t_serialized) ? ompt_state_work_serial | |||
| 2375 | : ompt_state_work_parallel); | |||
| 2376 | } | |||
| 2377 | ||||
| 2378 | static inline void __kmp_join_ompt(int gtid, kmp_info_t *thread, | |||
| 2379 | kmp_team_t *team, ompt_data_t *parallel_data, | |||
| 2380 | int flags, void *codeptr) { | |||
| 2381 | ompt_task_info_t *task_info = __ompt_get_task_info_object(0); | |||
| 2382 | if (ompt_enabled.ompt_callback_parallel_end) { | |||
| 2383 | ompt_callbacks.ompt_callback(ompt_callback_parallel_end)ompt_callback_parallel_end_callback( | |||
| 2384 | parallel_data, &(task_info->task_data), flags, codeptr); | |||
| 2385 | } | |||
| 2386 | ||||
| 2387 | task_info->frame.enter_frame = ompt_data_none{0}; | |||
| 2388 | __kmp_join_restore_state(thread, team); | |||
| 2389 | } | |||
| 2390 | #endif | |||
| 2391 | ||||
| 2392 | void __kmp_join_call(ident_t *loc, int gtid | |||
| 2393 | #if OMPT_SUPPORT1 | |||
| 2394 | , | |||
| 2395 | enum fork_context_e fork_context | |||
| 2396 | #endif | |||
| 2397 | , | |||
| 2398 | int exit_teams) { | |||
| 2399 | KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(KMP_join_call)((void)0); | |||
| 2400 | kmp_team_t *team; | |||
| 2401 | kmp_team_t *parent_team; | |||
| 2402 | kmp_info_t *master_th; | |||
| 2403 | kmp_root_t *root; | |||
| 2404 | int master_active; | |||
| 2405 | ||||
| 2406 | 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); }; | |||
| 2407 | ||||
| 2408 | /* setup current data */ | |||
| 2409 | master_th = __kmp_threads[gtid]; | |||
| 2410 | root = master_th->th.th_root; | |||
| 2411 | team = master_th->th.th_team; | |||
| 2412 | parent_team = team->t.t_parent; | |||
| 2413 | ||||
| 2414 | master_th->th.th_ident = loc; | |||
| 2415 | ||||
| 2416 | #if OMPT_SUPPORT1 | |||
| 2417 | void *team_microtask = (void *)team->t.t_pkfn; | |||
| 2418 | // For GOMP interface with serialized parallel, need the | |||
| 2419 | // __kmpc_end_serialized_parallel to call hooks for OMPT end-implicit-task | |||
| 2420 | // and end-parallel events. | |||
| 2421 | if (ompt_enabled.enabled && | |||
| 2422 | !(team->t.t_serialized && fork_context == fork_context_gnu)) { | |||
| 2423 | master_th->th.ompt_thread_info.state = ompt_state_overhead; | |||
| 2424 | } | |||
| 2425 | #endif | |||
| 2426 | ||||
| 2427 | #if KMP_DEBUG1 | |||
| 2428 | if (__kmp_tasking_mode != tskm_immediate_exec && !exit_teams) { | |||
| 2429 | 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", __kmp_gtid_from_thread(master_th), team , team->t.t_task_team[master_th->th.th_task_state], master_th ->th.th_task_team); } | |||
| 2430 | "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", __kmp_gtid_from_thread(master_th), team , team->t.t_task_team[master_th->th.th_task_state], master_th ->th.th_task_team); } | |||
| 2431 | __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", __kmp_gtid_from_thread(master_th), team , team->t.t_task_team[master_th->th.th_task_state], master_th ->th.th_task_team); } | |||
| 2432 | 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", __kmp_gtid_from_thread(master_th), team , team->t.t_task_team[master_th->th.th_task_state], master_th ->th.th_task_team); } | |||
| 2433 | 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", __kmp_gtid_from_thread(master_th), team , team->t.t_task_team[master_th->th.th_task_state], master_th ->th.th_task_team); }; | |||
| 2434 | KMP_DEBUG_ASSERT(master_th->th.th_task_team ==if (!(master_th->th.th_task_team == team->t.t_task_team [master_th->th.th_task_state])) { __kmp_debug_assert("master_th->th.th_task_team == team->t.t_task_team[master_th->th.th_task_state]" , "openmp/runtime/src/kmp_runtime.cpp", 2435); } | |||
| 2435 | team->t.t_task_team[master_th->th.th_task_state])if (!(master_th->th.th_task_team == team->t.t_task_team [master_th->th.th_task_state])) { __kmp_debug_assert("master_th->th.th_task_team == team->t.t_task_team[master_th->th.th_task_state]" , "openmp/runtime/src/kmp_runtime.cpp", 2435); }; | |||
| 2436 | } | |||
| 2437 | #endif | |||
| 2438 | ||||
| 2439 | if (team->t.t_serialized) { | |||
| 2440 | if (master_th->th.th_teams_microtask) { | |||
| 2441 | // We are in teams construct | |||
| 2442 | int level = team->t.t_level; | |||
| 2443 | int tlevel = master_th->th.th_teams_level; | |||
| 2444 | if (level == tlevel) { | |||
| 2445 | // AC: we haven't incremented it earlier at start of teams construct, | |||
| 2446 | // so do it here - at the end of teams construct | |||
| 2447 | team->t.t_level++; | |||
| 2448 | } else if (level == tlevel + 1) { | |||
| 2449 | // AC: we are exiting parallel inside teams, need to increment | |||
| 2450 | // serialization in order to restore it in the next call to | |||
| 2451 | // __kmpc_end_serialized_parallel | |||
| 2452 | team->t.t_serialized++; | |||
| 2453 | } | |||
| 2454 | } | |||
| 2455 | __kmpc_end_serialized_parallel(loc, gtid); | |||
| 2456 | ||||
| 2457 | #if OMPT_SUPPORT1 | |||
| 2458 | if (ompt_enabled.enabled) { | |||
| 2459 | if (fork_context == fork_context_gnu) { | |||
| 2460 | __ompt_lw_taskteam_unlink(master_th); | |||
| 2461 | } | |||
| 2462 | __kmp_join_restore_state(master_th, parent_team); | |||
| 2463 | } | |||
| 2464 | #endif | |||
| 2465 | ||||
| 2466 | return; | |||
| 2467 | } | |||
| 2468 | ||||
| 2469 | master_active = team->t.t_master_active; | |||
| 2470 | ||||
| 2471 | if (!exit_teams) { | |||
| 2472 | // AC: No barrier for internal teams at exit from teams construct. | |||
| 2473 | // But there is barrier for external team (league). | |||
| 2474 | __kmp_internal_join(loc, gtid, team); | |||
| 2475 | #if USE_ITT_BUILD1 | |||
| 2476 | if (__itt_stack_caller_create_ptr__kmp_itt_stack_caller_create_ptr__3_0) { | |||
| 2477 | KMP_DEBUG_ASSERT(team->t.t_stack_id != NULL)if (!(team->t.t_stack_id != __null)) { __kmp_debug_assert( "team->t.t_stack_id != __null", "openmp/runtime/src/kmp_runtime.cpp" , 2477); }; | |||
| 2478 | // destroy the stack stitching id after join barrier | |||
| 2479 | __kmp_itt_stack_caller_destroy((__itt_caller)team->t.t_stack_id); | |||
| 2480 | team->t.t_stack_id = NULL__null; | |||
| 2481 | } | |||
| 2482 | #endif | |||
| 2483 | } else { | |||
| 2484 | master_th->th.th_task_state = | |||
| 2485 | 0; // AC: no tasking in teams (out of any parallel) | |||
| 2486 | #if USE_ITT_BUILD1 | |||
| 2487 | if (__itt_stack_caller_create_ptr__kmp_itt_stack_caller_create_ptr__3_0 && parent_team->t.t_serialized) { | |||
| 2488 | KMP_DEBUG_ASSERT(parent_team->t.t_stack_id != NULL)if (!(parent_team->t.t_stack_id != __null)) { __kmp_debug_assert ("parent_team->t.t_stack_id != __null", "openmp/runtime/src/kmp_runtime.cpp" , 2488); }; | |||
| 2489 | // destroy the stack stitching id on exit from the teams construct | |||
| 2490 | // if parent_team is active, then the id will be destroyed later on | |||
| 2491 | // by master of the league of teams | |||
| 2492 | __kmp_itt_stack_caller_destroy((__itt_caller)parent_team->t.t_stack_id); | |||
| 2493 | parent_team->t.t_stack_id = NULL__null; | |||
| 2494 | } | |||
| 2495 | #endif | |||
| 2496 | } | |||
| 2497 | ||||
| 2498 | KMP_MB(); | |||
| 2499 | ||||
| 2500 | #if OMPT_SUPPORT1 | |||
| 2501 | ompt_data_t *parallel_data = &(team->t.ompt_team_info.parallel_data); | |||
| 2502 | void *codeptr = team->t.ompt_team_info.master_return_address; | |||
| 2503 | #endif | |||
| 2504 | ||||
| 2505 | #if USE_ITT_BUILD1 | |||
| 2506 | // Mark end of "parallel" region for Intel(R) VTune(TM) analyzer. | |||
| 2507 | if (team->t.t_active_level == 1 && | |||
| 2508 | (!master_th->th.th_teams_microtask || /* not in teams construct */ | |||
| 2509 | master_th->th.th_teams_size.nteams == 1)) { | |||
| 2510 | master_th->th.th_ident = loc; | |||
| 2511 | // only one notification scheme (either "submit" or "forking/joined", not | |||
| 2512 | // both) | |||
| 2513 | if ((__itt_frame_submit_v3_ptr__kmp_itt_frame_submit_v3_ptr__3_0 || KMP_ITT_DEBUG0) && | |||
| 2514 | __kmp_forkjoin_frames_mode == 3) | |||
| 2515 | __kmp_itt_frame_submit(gtid, team->t.t_region_time, | |||
| 2516 | master_th->th.th_frame_time, 0, loc, | |||
| 2517 | master_th->th.th_team_nproc, 1); | |||
| 2518 | else if ((__itt_frame_end_v3_ptr__kmp_itt_frame_end_v3_ptr__3_0 || KMP_ITT_DEBUG0) && | |||
| 2519 | !__kmp_forkjoin_frames_mode && __kmp_forkjoin_frames) | |||
| 2520 | __kmp_itt_region_joined(gtid); | |||
| 2521 | } // active_level == 1 | |||
| 2522 | #endif /* USE_ITT_BUILD */ | |||
| 2523 | ||||
| 2524 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 2525 | if (!exit_teams) { | |||
| 2526 | // Restore master thread's partition. | |||
| 2527 | master_th->th.th_first_place = team->t.t_first_place; | |||
| 2528 | master_th->th.th_last_place = team->t.t_last_place; | |||
| 2529 | } | |||
| 2530 | #endif // KMP_AFFINITY_SUPPORTED | |||
| 2531 | ||||
| 2532 | if (master_th->th.th_teams_microtask && !exit_teams && | |||
| 2533 | team->t.t_pkfn != (microtask_t)__kmp_teams_master && | |||
| 2534 | team->t.t_level == master_th->th.th_teams_level + 1) { | |||
| 2535 | // AC: We need to leave the team structure intact at the end of parallel | |||
| 2536 | // inside the teams construct, so that at the next parallel same (hot) team | |||
| 2537 | // works, only adjust nesting levels | |||
| 2538 | #if OMPT_SUPPORT1 | |||
| 2539 | ompt_data_t ompt_parallel_data = ompt_data_none{0}; | |||
| 2540 | if (ompt_enabled.enabled) { | |||
| 2541 | ompt_task_info_t *task_info = __ompt_get_task_info_object(0); | |||
| 2542 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 2543 | int ompt_team_size = team->t.t_nproc; | |||
| 2544 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 2545 | ompt_scope_end, NULL__null, &(task_info->task_data), ompt_team_size, | |||
| 2546 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num, ompt_task_implicit); | |||
| 2547 | } | |||
| 2548 | task_info->frame.exit_frame = ompt_data_none{0}; | |||
| 2549 | task_info->task_data = ompt_data_none{0}; | |||
| 2550 | ompt_parallel_data = *OMPT_CUR_TEAM_DATA(master_th)(&(master_th->th.th_team->t.ompt_team_info.parallel_data )); | |||
| 2551 | __ompt_lw_taskteam_unlink(master_th); | |||
| 2552 | } | |||
| 2553 | #endif | |||
| 2554 | /* Decrement our nested depth level */ | |||
| 2555 | team->t.t_level--; | |||
| 2556 | team->t.t_active_level--; | |||
| 2557 | KMP_ATOMIC_DEC(&root->r.r_in_parallel)(&root->r.r_in_parallel)->fetch_sub(1, std::memory_order_acq_rel ); | |||
| 2558 | ||||
| 2559 | // Restore number of threads in the team if needed. This code relies on | |||
| 2560 | // the proper adjustment of th_teams_size.nth after the fork in | |||
| 2561 | // __kmp_teams_master on each teams primary thread in the case that | |||
| 2562 | // __kmp_reserve_threads reduced it. | |||
| 2563 | if (master_th->th.th_team_nproc < master_th->th.th_teams_size.nth) { | |||
| 2564 | int old_num = master_th->th.th_team_nproc; | |||
| 2565 | int new_num = master_th->th.th_teams_size.nth; | |||
| 2566 | kmp_info_t **other_threads = team->t.t_threads; | |||
| 2567 | team->t.t_nproc = new_num; | |||
| 2568 | for (int i = 0; i < old_num; ++i) { | |||
| 2569 | other_threads[i]->th.th_team_nproc = new_num; | |||
| 2570 | } | |||
| 2571 | // Adjust states of non-used threads of the team | |||
| 2572 | for (int i = old_num; i < new_num; ++i) { | |||
| 2573 | // Re-initialize thread's barrier data. | |||
| 2574 | KMP_DEBUG_ASSERT(other_threads[i])if (!(other_threads[i])) { __kmp_debug_assert("other_threads[i]" , "openmp/runtime/src/kmp_runtime.cpp", 2574); }; | |||
| 2575 | kmp_balign_t *balign = other_threads[i]->th.th_bar; | |||
| 2576 | for (int b = 0; b < bs_last_barrier; ++b) { | |||
| 2577 | balign[b].bb.b_arrived = team->t.t_bar[b].b_arrived; | |||
| 2578 | KMP_DEBUG_ASSERT(balign[b].bb.wait_flag != KMP_BARRIER_PARENT_FLAG)if (!(balign[b].bb.wait_flag != 2)) { __kmp_debug_assert("balign[b].bb.wait_flag != 2" , "openmp/runtime/src/kmp_runtime.cpp", 2578); }; | |||
| 2579 | #if USE_DEBUGGER0 | |||
| 2580 | balign[b].bb.b_worker_arrived = team->t.t_bar[b].b_team_arrived; | |||
| 2581 | #endif | |||
| 2582 | } | |||
| 2583 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||
| 2584 | // Synchronize thread's task state | |||
| 2585 | other_threads[i]->th.th_task_state = master_th->th.th_task_state; | |||
| 2586 | } | |||
| 2587 | } | |||
| 2588 | } | |||
| 2589 | ||||
| 2590 | #if OMPT_SUPPORT1 | |||
| 2591 | if (ompt_enabled.enabled) { | |||
| 2592 | __kmp_join_ompt(gtid, master_th, parent_team, &ompt_parallel_data, | |||
| 2593 | OMPT_INVOKER(fork_context)((fork_context == fork_context_gnu) ? ompt_parallel_invoker_program : ompt_parallel_invoker_runtime) | ompt_parallel_team, codeptr); | |||
| 2594 | } | |||
| 2595 | #endif | |||
| 2596 | ||||
| 2597 | return; | |||
| 2598 | } | |||
| 2599 | ||||
| 2600 | /* do cleanup and restore the parent team */ | |||
| 2601 | master_th->th.th_info.ds.ds_tid = team->t.t_master_tid; | |||
| 2602 | master_th->th.th_local.this_construct = team->t.t_master_this_cons; | |||
| 2603 | ||||
| 2604 | master_th->th.th_dispatch = &parent_team->t.t_dispatch[team->t.t_master_tid]; | |||
| 2605 | ||||
| 2606 | /* jc: The following lock has instructions with REL and ACQ semantics, | |||
| 2607 | separating the parallel user code called in this parallel region | |||
| 2608 | from the serial user code called after this function returns. */ | |||
| 2609 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 2610 | ||||
| 2611 | if (!master_th->th.th_teams_microtask || | |||
| 2612 | team->t.t_level > master_th->th.th_teams_level) { | |||
| 2613 | /* Decrement our nested depth level */ | |||
| 2614 | KMP_ATOMIC_DEC(&root->r.r_in_parallel)(&root->r.r_in_parallel)->fetch_sub(1, std::memory_order_acq_rel ); | |||
| 2615 | } | |||
| 2616 | KMP_DEBUG_ASSERT(root->r.r_in_parallel >= 0)if (!(root->r.r_in_parallel >= 0)) { __kmp_debug_assert ("root->r.r_in_parallel >= 0", "openmp/runtime/src/kmp_runtime.cpp" , 2616); }; | |||
| 2617 | ||||
| 2618 | #if OMPT_SUPPORT1 | |||
| 2619 | if (ompt_enabled.enabled) { | |||
| 2620 | ompt_task_info_t *task_info = __ompt_get_task_info_object(0); | |||
| 2621 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 2622 | int flags = (team_microtask == (void *)__kmp_teams_master) | |||
| 2623 | ? ompt_task_initial | |||
| 2624 | : ompt_task_implicit; | |||
| 2625 | int ompt_team_size = (flags == ompt_task_initial) ? 0 : team->t.t_nproc; | |||
| 2626 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 2627 | ompt_scope_end, NULL__null, &(task_info->task_data), ompt_team_size, | |||
| 2628 | OMPT_CUR_TASK_INFO(master_th)(&(master_th->th.th_current_task->ompt_task_info))->thread_num, flags); | |||
| 2629 | } | |||
| 2630 | task_info->frame.exit_frame = ompt_data_none{0}; | |||
| 2631 | task_info->task_data = ompt_data_none{0}; | |||
| 2632 | } | |||
| 2633 | #endif | |||
| 2634 | ||||
| 2635 | 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); } | |||
| 2636 | 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); }; | |||
| 2637 | __kmp_pop_current_task_from_thread(master_th); | |||
| 2638 | ||||
| 2639 | master_th->th.th_def_allocator = team->t.t_def_allocator; | |||
| 2640 | ||||
| 2641 | #if OMPD_SUPPORT1 | |||
| 2642 | if (ompd_state & OMPD_ENABLE_BP0x1) | |||
| 2643 | ompd_bp_parallel_end(); | |||
| 2644 | #endif | |||
| 2645 | updateHWFPControl(team); | |||
| 2646 | ||||
| 2647 | if (root->r.r_active != master_active) | |||
| 2648 | root->r.r_active = master_active; | |||
| 2649 | ||||
| 2650 | __kmp_free_team(root, team USE_NESTED_HOT_ARG(, master_th | |||
| 2651 | master_th), master_th); // this will free worker threads | |||
| 2652 | ||||
| 2653 | /* this race was fun to find. make sure the following is in the critical | |||
| 2654 | region otherwise assertions may fail occasionally since the old team may be | |||
| 2655 | reallocated and the hierarchy appears inconsistent. it is actually safe to | |||
| 2656 | run and won't cause any bugs, but will cause those assertion failures. it's | |||
| 2657 | only one deref&assign so might as well put this in the critical region */ | |||
| 2658 | master_th->th.th_team = parent_team; | |||
| 2659 | master_th->th.th_team_nproc = parent_team->t.t_nproc; | |||
| 2660 | master_th->th.th_team_master = parent_team->t.t_threads[0]; | |||
| 2661 | master_th->th.th_team_serialized = parent_team->t.t_serialized; | |||
| 2662 | ||||
| 2663 | /* restore serialized team, if need be */ | |||
| 2664 | if (parent_team->t.t_serialized && | |||
| 2665 | parent_team != master_th->th.th_serial_team && | |||
| 2666 | parent_team != root->r.r_root_team) { | |||
| 2667 | __kmp_free_team(root, | |||
| 2668 | master_th->th.th_serial_team USE_NESTED_HOT_ARG(NULL), __null); | |||
| 2669 | master_th->th.th_serial_team = parent_team; | |||
| 2670 | } | |||
| 2671 | ||||
| 2672 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||
| 2673 | if (master_th->th.th_task_state_top > | |||
| 2674 | 0) { // Restore task state from memo stack | |||
| 2675 | KMP_DEBUG_ASSERT(master_th->th.th_task_state_memo_stack)if (!(master_th->th.th_task_state_memo_stack)) { __kmp_debug_assert ("master_th->th.th_task_state_memo_stack", "openmp/runtime/src/kmp_runtime.cpp" , 2675); }; | |||
| 2676 | // Remember primary thread's state if we re-use this nested hot team | |||
| 2677 | master_th->th.th_task_state_memo_stack[master_th->th.th_task_state_top] = | |||
| 2678 | master_th->th.th_task_state; | |||
| 2679 | --master_th->th.th_task_state_top; // pop | |||
| 2680 | // Now restore state at this level | |||
| 2681 | master_th->th.th_task_state = | |||
| 2682 | master_th->th | |||
| 2683 | .th_task_state_memo_stack[master_th->th.th_task_state_top]; | |||
| 2684 | } else if (team != root->r.r_hot_team) { | |||
| 2685 | // Reset the task state of primary thread if we are not hot team because | |||
| 2686 | // in this case all the worker threads will be free, and their task state | |||
| 2687 | // will be reset. If not reset the primary's, the task state will be | |||
| 2688 | // inconsistent. | |||
| 2689 | master_th->th.th_task_state = 0; | |||
| 2690 | } | |||
| 2691 | // Copy the task team from the parent team to the primary thread | |||
| 2692 | master_th->th.th_task_team = | |||
| 2693 | parent_team->t.t_task_team[master_th->th.th_task_state]; | |||
| 2694 | KA_TRACE(20,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: Primary T#%d restoring task_team %p, team %p\n" , __kmp_gtid_from_thread(master_th), master_th->th.th_task_team , parent_team); } | |||
| 2695 | ("__kmp_join_call: Primary T#%d restoring task_team %p, team %p\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: Primary T#%d restoring task_team %p, team %p\n" , __kmp_gtid_from_thread(master_th), master_th->th.th_task_team , parent_team); } | |||
| 2696 | __kmp_gtid_from_thread(master_th), master_th->th.th_task_team,if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: Primary T#%d restoring task_team %p, team %p\n" , __kmp_gtid_from_thread(master_th), master_th->th.th_task_team , parent_team); } | |||
| 2697 | parent_team))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_join_call: Primary T#%d restoring task_team %p, team %p\n" , __kmp_gtid_from_thread(master_th), master_th->th.th_task_team , parent_team); }; | |||
| 2698 | } | |||
| 2699 | ||||
| 2700 | // TODO: GEH - cannot do this assertion because root thread not set up as | |||
| 2701 | // executing | |||
| 2702 | // KMP_ASSERT( master_th->th.th_current_task->td_flags.executing == 0 ); | |||
| 2703 | master_th->th.th_current_task->td_flags.executing = 1; | |||
| 2704 | ||||
| 2705 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 2706 | ||||
| 2707 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 2708 | if (master_th->th.th_team->t.t_level == 0 && __kmp_affinity.flags.reset) { | |||
| 2709 | __kmp_reset_root_init_mask(gtid); | |||
| 2710 | } | |||
| 2711 | #endif | |||
| 2712 | #if OMPT_SUPPORT1 | |||
| 2713 | int flags = | |||
| 2714 | OMPT_INVOKER(fork_context)((fork_context == fork_context_gnu) ? ompt_parallel_invoker_program : ompt_parallel_invoker_runtime) | | |||
| 2715 | ((team_microtask == (void *)__kmp_teams_master) ? ompt_parallel_league | |||
| 2716 | : ompt_parallel_team); | |||
| 2717 | if (ompt_enabled.enabled) { | |||
| 2718 | __kmp_join_ompt(gtid, master_th, parent_team, parallel_data, flags, | |||
| 2719 | codeptr); | |||
| 2720 | } | |||
| 2721 | #endif | |||
| 2722 | ||||
| 2723 | KMP_MB(); | |||
| 2724 | 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); }; | |||
| 2725 | } | |||
| 2726 | ||||
| 2727 | /* Check whether we should push an internal control record onto the | |||
| 2728 | serial team stack. If so, do it. */ | |||
| 2729 | void __kmp_save_internal_controls(kmp_info_t *thread) { | |||
| 2730 | ||||
| 2731 | if (thread->th.th_team != thread->th.th_serial_team) { | |||
| 2732 | return; | |||
| 2733 | } | |||
| 2734 | if (thread->th.th_team->t.t_serialized > 1) { | |||
| 2735 | int push = 0; | |||
| 2736 | ||||
| 2737 | if (thread->th.th_team->t.t_control_stack_top == NULL__null) { | |||
| 2738 | push = 1; | |||
| 2739 | } else { | |||
| 2740 | if (thread->th.th_team->t.t_control_stack_top->serial_nesting_level != | |||
| 2741 | thread->th.th_team->t.t_serialized) { | |||
| 2742 | push = 1; | |||
| 2743 | } | |||
| 2744 | } | |||
| 2745 | if (push) { /* push a record on the serial team's stack */ | |||
| 2746 | kmp_internal_control_t *control = | |||
| 2747 | (kmp_internal_control_t *)__kmp_allocate(___kmp_allocate((sizeof(kmp_internal_control_t)), "openmp/runtime/src/kmp_runtime.cpp" , 2748) | |||
| 2748 | sizeof(kmp_internal_control_t))___kmp_allocate((sizeof(kmp_internal_control_t)), "openmp/runtime/src/kmp_runtime.cpp" , 2748); | |||
| 2749 | ||||
| 2750 | copy_icvs(control, &thread->th.th_current_task->td_icvs); | |||
| 2751 | ||||
| 2752 | control->serial_nesting_level = thread->th.th_team->t.t_serialized; | |||
| 2753 | ||||
| 2754 | control->next = thread->th.th_team->t.t_control_stack_top; | |||
| 2755 | thread->th.th_team->t.t_control_stack_top = control; | |||
| 2756 | } | |||
| 2757 | } | |||
| 2758 | } | |||
| 2759 | ||||
| 2760 | /* Changes set_nproc */ | |||
| 2761 | void __kmp_set_num_threads(int new_nth, int gtid) { | |||
| 2762 | kmp_info_t *thread; | |||
| 2763 | kmp_root_t *root; | |||
| 2764 | ||||
| 2765 | 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); }; | |||
| 2766 | KMP_DEBUG_ASSERT(__kmp_init_serial)if (!(__kmp_init_serial)) { __kmp_debug_assert("__kmp_init_serial" , "openmp/runtime/src/kmp_runtime.cpp", 2766); }; | |||
| 2767 | ||||
| 2768 | if (new_nth < 1) | |||
| 2769 | new_nth = 1; | |||
| 2770 | else if (new_nth > __kmp_max_nth) | |||
| 2771 | new_nth = __kmp_max_nth; | |||
| 2772 | ||||
| 2773 | KMP_COUNT_VALUE(OMP_set_numthreads, new_nth)((void)0); | |||
| 2774 | thread = __kmp_threads[gtid]; | |||
| 2775 | if (thread->th.th_current_task->td_icvs.nproc == new_nth) | |||
| 2776 | return; // nothing to do | |||
| 2777 | ||||
| 2778 | __kmp_save_internal_controls(thread); | |||
| 2779 | ||||
| 2780 | set__nproc(thread, new_nth)(((thread)->th.th_current_task->td_icvs.nproc) = (new_nth )); | |||
| 2781 | ||||
| 2782 | // If this omp_set_num_threads() call will cause the hot team size to be | |||
| 2783 | // reduced (in the absence of a num_threads clause), then reduce it now, | |||
| 2784 | // rather than waiting for the next parallel region. | |||
| 2785 | root = thread->th.th_root; | |||
| 2786 | if (__kmp_init_parallel && (!root->r.r_active) && | |||
| 2787 | (root->r.r_hot_team->t.t_nproc > new_nth) | |||
| 2788 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 2789 | && __kmp_hot_teams_max_level && !__kmp_hot_teams_mode | |||
| 2790 | #endif | |||
| 2791 | ) { | |||
| 2792 | kmp_team_t *hot_team = root->r.r_hot_team; | |||
| 2793 | int f; | |||
| 2794 | ||||
| 2795 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 2796 | ||||
| 2797 | if (__kmp_barrier_release_pattern[bs_forkjoin_barrier] == bp_dist_bar) { | |||
| 2798 | __kmp_resize_dist_barrier(hot_team, hot_team->t.t_nproc, new_nth); | |||
| 2799 | } | |||
| 2800 | // Release the extra threads we don't need any more. | |||
| 2801 | for (f = new_nth; f < hot_team->t.t_nproc; f++) { | |||
| 2802 | KMP_DEBUG_ASSERT(hot_team->t.t_threads[f] != NULL)if (!(hot_team->t.t_threads[f] != __null)) { __kmp_debug_assert ("hot_team->t.t_threads[f] != __null", "openmp/runtime/src/kmp_runtime.cpp" , 2802); }; | |||
| 2803 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||
| 2804 | // When decreasing team size, threads no longer in the team should unref | |||
| 2805 | // task team. | |||
| 2806 | hot_team->t.t_threads[f]->th.th_task_team = NULL__null; | |||
| 2807 | } | |||
| 2808 | __kmp_free_thread(hot_team->t.t_threads[f]); | |||
| 2809 | hot_team->t.t_threads[f] = NULL__null; | |||
| 2810 | } | |||
| 2811 | hot_team->t.t_nproc = new_nth; | |||
| 2812 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 2813 | if (thread->th.th_hot_teams) { | |||
| 2814 | KMP_DEBUG_ASSERT(hot_team == thread->th.th_hot_teams[0].hot_team)if (!(hot_team == thread->th.th_hot_teams[0].hot_team)) { __kmp_debug_assert ("hot_team == thread->th.th_hot_teams[0].hot_team", "openmp/runtime/src/kmp_runtime.cpp" , 2814); }; | |||
| 2815 | thread->th.th_hot_teams[0].hot_team_nth = new_nth; | |||
| 2816 | } | |||
| 2817 | #endif | |||
| 2818 | ||||
| 2819 | if (__kmp_barrier_release_pattern[bs_forkjoin_barrier] == bp_dist_bar) { | |||
| 2820 | hot_team->t.b->update_num_threads(new_nth); | |||
| 2821 | __kmp_add_threads_to_team(hot_team, new_nth); | |||
| 2822 | } | |||
| 2823 | ||||
| 2824 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 2825 | ||||
| 2826 | // Update the t_nproc field in the threads that are still active. | |||
| 2827 | for (f = 0; f < new_nth; f++) { | |||
| 2828 | KMP_DEBUG_ASSERT(hot_team->t.t_threads[f] != NULL)if (!(hot_team->t.t_threads[f] != __null)) { __kmp_debug_assert ("hot_team->t.t_threads[f] != __null", "openmp/runtime/src/kmp_runtime.cpp" , 2828); }; | |||
| 2829 | hot_team->t.t_threads[f]->th.th_team_nproc = new_nth; | |||
| 2830 | } | |||
| 2831 | // Special flag in case omp_set_num_threads() call | |||
| 2832 | hot_team->t.t_size_changed = -1; | |||
| 2833 | } | |||
| 2834 | } | |||
| 2835 | ||||
| 2836 | /* Changes max_active_levels */ | |||
| 2837 | void __kmp_set_max_active_levels(int gtid, int max_active_levels) { | |||
| 2838 | kmp_info_t *thread; | |||
| 2839 | ||||
| 2840 | 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); } | |||
| 2841 | "%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); } | |||
| 2842 | 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); }; | |||
| 2843 | KMP_DEBUG_ASSERT(__kmp_init_serial)if (!(__kmp_init_serial)) { __kmp_debug_assert("__kmp_init_serial" , "openmp/runtime/src/kmp_runtime.cpp", 2843); }; | |||
| 2844 | ||||
| 2845 | // validate max_active_levels | |||
| 2846 | if (max_active_levels < 0) { | |||
| 2847 | KMP_WARNING(ActiveLevelsNegative, max_active_levels)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_ActiveLevelsNegative , max_active_levels), __kmp_msg_null); | |||
| 2848 | // We ignore this call if the user has specified a negative value. | |||
| 2849 | // The current setting won't be changed. The last valid setting will be | |||
| 2850 | // used. A warning will be issued (if warnings are allowed as controlled by | |||
| 2851 | // the KMP_WARNINGS env var). | |||
| 2852 | 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 ); } | |||
| 2853 | "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 ); } | |||
| 2854 | 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 ); }; | |||
| 2855 | return; | |||
| 2856 | } | |||
| 2857 | if (max_active_levels <= KMP_MAX_ACTIVE_LEVELS_LIMIT2147483647) { | |||
| 2858 | // it's OK, the max_active_levels is within the valid range: [ 0; | |||
| 2859 | // KMP_MAX_ACTIVE_LEVELS_LIMIT ] | |||
| 2860 | // We allow a zero value. (implementation defined behavior) | |||
| 2861 | } else { | |||
| 2862 | 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) | |||
| 2863 | KMP_MAX_ACTIVE_LEVELS_LIMIT)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_ActiveLevelsExceedLimit , max_active_levels, 2147483647), __kmp_msg_null); | |||
| 2864 | max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT2147483647; | |||
| 2865 | // Current upper limit is MAX_INT. (implementation defined behavior) | |||
| 2866 | // If the input exceeds the upper limit, we correct the input to be the | |||
| 2867 | // upper limit. (implementation defined behavior) | |||
| 2868 | // Actually, the flow should never get here until we use MAX_INT limit. | |||
| 2869 | } | |||
| 2870 | 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 ); } | |||
| 2871 | "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 ); } | |||
| 2872 | 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 ); }; | |||
| 2873 | ||||
| 2874 | thread = __kmp_threads[gtid]; | |||
| 2875 | ||||
| 2876 | __kmp_save_internal_controls(thread); | |||
| 2877 | ||||
| 2878 | set__max_active_levels(thread, max_active_levels)(((thread)->th.th_current_task->td_icvs.max_active_levels ) = (max_active_levels)); | |||
| 2879 | } | |||
| 2880 | ||||
| 2881 | /* Gets max_active_levels */ | |||
| 2882 | int __kmp_get_max_active_levels(int gtid) { | |||
| 2883 | kmp_info_t *thread; | |||
| 2884 | ||||
| 2885 | 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); }; | |||
| 2886 | KMP_DEBUG_ASSERT(__kmp_init_serial)if (!(__kmp_init_serial)) { __kmp_debug_assert("__kmp_init_serial" , "openmp/runtime/src/kmp_runtime.cpp", 2886); }; | |||
| 2887 | ||||
| 2888 | thread = __kmp_threads[gtid]; | |||
| 2889 | KMP_DEBUG_ASSERT(thread->th.th_current_task)if (!(thread->th.th_current_task)) { __kmp_debug_assert("thread->th.th_current_task" , "openmp/runtime/src/kmp_runtime.cpp", 2889); }; | |||
| 2890 | 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 ); } | |||
| 2891 | "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 ); } | |||
| 2892 | 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 ); } | |||
| 2893 | 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 ); }; | |||
| 2894 | return thread->th.th_current_task->td_icvs.max_active_levels; | |||
| 2895 | } | |||
| 2896 | ||||
| 2897 | // nteams-var per-device ICV | |||
| 2898 | void __kmp_set_num_teams(int num_teams) { | |||
| 2899 | if (num_teams > 0) | |||
| 2900 | __kmp_nteams = num_teams; | |||
| 2901 | } | |||
| 2902 | int __kmp_get_max_teams(void) { return __kmp_nteams; } | |||
| 2903 | // teams-thread-limit-var per-device ICV | |||
| 2904 | void __kmp_set_teams_thread_limit(int limit) { | |||
| 2905 | if (limit > 0) | |||
| 2906 | __kmp_teams_thread_limit = limit; | |||
| 2907 | } | |||
| 2908 | int __kmp_get_teams_thread_limit(void) { return __kmp_teams_thread_limit; } | |||
| 2909 | ||||
| 2910 | KMP_BUILD_ASSERT(sizeof(kmp_sched_t) == sizeof(int))static_assert(sizeof(kmp_sched_t) == sizeof(int), "Build condition error" ); | |||
| 2911 | KMP_BUILD_ASSERT(sizeof(enum sched_type) == sizeof(int))static_assert(sizeof(enum sched_type) == sizeof(int), "Build condition error" ); | |||
| 2912 | ||||
| 2913 | /* Changes def_sched_var ICV values (run-time schedule kind and chunk) */ | |||
| 2914 | void __kmp_set_schedule(int gtid, kmp_sched_t kind, int chunk) { | |||
| 2915 | kmp_info_t *thread; | |||
| 2916 | kmp_sched_t orig_kind; | |||
| 2917 | // kmp_team_t *team; | |||
| 2918 | ||||
| 2919 | 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); } | |||
| 2920 | 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); }; | |||
| 2921 | KMP_DEBUG_ASSERT(__kmp_init_serial)if (!(__kmp_init_serial)) { __kmp_debug_assert("__kmp_init_serial" , "openmp/runtime/src/kmp_runtime.cpp", 2921); }; | |||
| 2922 | ||||
| 2923 | // Check if the kind parameter is valid, correct if needed. | |||
| 2924 | // Valid parameters should fit in one of two intervals - standard or extended: | |||
| 2925 | // <lower>, <valid>, <upper_std>, <lower_ext>, <valid>, <upper> | |||
| 2926 | // 2008-01-25: 0, 1 - 4, 5, 100, 101 - 102, 103 | |||
| 2927 | orig_kind = kind; | |||
| 2928 | kind = __kmp_sched_without_mods(kind); | |||
| 2929 | ||||
| 2930 | if (kind <= kmp_sched_lower || kind >= kmp_sched_upper || | |||
| 2931 | (kind <= kmp_sched_lower_ext && kind >= kmp_sched_upper_std)) { | |||
| 2932 | // TODO: Hint needs attention in case we change the default schedule. | |||
| 2933 | __kmp_msg(kmp_ms_warning, KMP_MSG(ScheduleKindOutOfRange, kind)__kmp_msg_format(kmp_i18n_msg_ScheduleKindOutOfRange, kind), | |||
| 2934 | KMP_HNT(DefaultScheduleKindUsed, "static, no chunk")__kmp_msg_format(kmp_i18n_hnt_DefaultScheduleKindUsed, "static, no chunk" ), | |||
| 2935 | __kmp_msg_null); | |||
| 2936 | kind = kmp_sched_default; | |||
| 2937 | chunk = 0; // ignore chunk value in case of bad kind | |||
| 2938 | } | |||
| 2939 | ||||
| 2940 | thread = __kmp_threads[gtid]; | |||
| 2941 | ||||
| 2942 | __kmp_save_internal_controls(thread); | |||
| 2943 | ||||
| 2944 | if (kind < kmp_sched_upper_std) { | |||
| 2945 | if (kind == kmp_sched_static && chunk < KMP_DEFAULT_CHUNK1) { | |||
| 2946 | // differ static chunked vs. unchunked: chunk should be invalid to | |||
| 2947 | // indicate unchunked schedule (which is the default) | |||
| 2948 | thread->th.th_current_task->td_icvs.sched.r_sched_type = kmp_sch_static; | |||
| 2949 | } else { | |||
| 2950 | thread->th.th_current_task->td_icvs.sched.r_sched_type = | |||
| 2951 | __kmp_sch_map[kind - kmp_sched_lower - 1]; | |||
| 2952 | } | |||
| 2953 | } else { | |||
| 2954 | // __kmp_sch_map[ kind - kmp_sched_lower_ext + kmp_sched_upper_std - | |||
| 2955 | // kmp_sched_lower - 2 ]; | |||
| 2956 | thread->th.th_current_task->td_icvs.sched.r_sched_type = | |||
| 2957 | __kmp_sch_map[kind - kmp_sched_lower_ext + kmp_sched_upper_std - | |||
| 2958 | kmp_sched_lower - 2]; | |||
| 2959 | } | |||
| 2960 | __kmp_sched_apply_mods_intkind( | |||
| 2961 | orig_kind, &(thread->th.th_current_task->td_icvs.sched.r_sched_type)); | |||
| 2962 | if (kind == kmp_sched_auto || chunk < 1) { | |||
| 2963 | // ignore parameter chunk for schedule auto | |||
| 2964 | thread->th.th_current_task->td_icvs.sched.chunk = KMP_DEFAULT_CHUNK1; | |||
| 2965 | } else { | |||
| 2966 | thread->th.th_current_task->td_icvs.sched.chunk = chunk; | |||
| 2967 | } | |||
| 2968 | } | |||
| 2969 | ||||
| 2970 | /* Gets def_sched_var ICV values */ | |||
| 2971 | void __kmp_get_schedule(int gtid, kmp_sched_t *kind, int *chunk) { | |||
| 2972 | kmp_info_t *thread; | |||
| 2973 | enum sched_type th_type; | |||
| 2974 | ||||
| 2975 | 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); }; | |||
| 2976 | KMP_DEBUG_ASSERT(__kmp_init_serial)if (!(__kmp_init_serial)) { __kmp_debug_assert("__kmp_init_serial" , "openmp/runtime/src/kmp_runtime.cpp", 2976); }; | |||
| 2977 | ||||
| 2978 | thread = __kmp_threads[gtid]; | |||
| 2979 | ||||
| 2980 | th_type = thread->th.th_current_task->td_icvs.sched.r_sched_type; | |||
| 2981 | switch (SCHEDULE_WITHOUT_MODIFIERS(th_type)(enum sched_type)( (th_type) & ~(kmp_sch_modifier_nonmonotonic | kmp_sch_modifier_monotonic))) { | |||
| 2982 | case kmp_sch_static: | |||
| 2983 | case kmp_sch_static_greedy: | |||
| 2984 | case kmp_sch_static_balanced: | |||
| 2985 | *kind = kmp_sched_static; | |||
| 2986 | __kmp_sched_apply_mods_stdkind(kind, th_type); | |||
| 2987 | *chunk = 0; // chunk was not set, try to show this fact via zero value | |||
| 2988 | return; | |||
| 2989 | case kmp_sch_static_chunked: | |||
| 2990 | *kind = kmp_sched_static; | |||
| 2991 | break; | |||
| 2992 | case kmp_sch_dynamic_chunked: | |||
| 2993 | *kind = kmp_sched_dynamic; | |||
| 2994 | break; | |||
| 2995 | case kmp_sch_guided_chunked: | |||
| 2996 | case kmp_sch_guided_iterative_chunked: | |||
| 2997 | case kmp_sch_guided_analytical_chunked: | |||
| 2998 | *kind = kmp_sched_guided; | |||
| 2999 | break; | |||
| 3000 | case kmp_sch_auto: | |||
| 3001 | *kind = kmp_sched_auto; | |||
| 3002 | break; | |||
| 3003 | case kmp_sch_trapezoidal: | |||
| 3004 | *kind = kmp_sched_trapezoidal; | |||
| 3005 | break; | |||
| 3006 | #if KMP_STATIC_STEAL_ENABLED1 | |||
| 3007 | case kmp_sch_static_steal: | |||
| 3008 | *kind = kmp_sched_static_steal; | |||
| 3009 | break; | |||
| 3010 | #endif | |||
| 3011 | default: | |||
| 3012 | KMP_FATAL(UnknownSchedulingType, th_type)__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_UnknownSchedulingType , th_type), __kmp_msg_null); | |||
| 3013 | } | |||
| 3014 | ||||
| 3015 | __kmp_sched_apply_mods_stdkind(kind, th_type); | |||
| 3016 | *chunk = thread->th.th_current_task->td_icvs.sched.chunk; | |||
| 3017 | } | |||
| 3018 | ||||
| 3019 | int __kmp_get_ancestor_thread_num(int gtid, int level) { | |||
| 3020 | ||||
| 3021 | int ii, dd; | |||
| 3022 | kmp_team_t *team; | |||
| 3023 | kmp_info_t *thr; | |||
| 3024 | ||||
| 3025 | 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); }; | |||
| 3026 | KMP_DEBUG_ASSERT(__kmp_init_serial)if (!(__kmp_init_serial)) { __kmp_debug_assert("__kmp_init_serial" , "openmp/runtime/src/kmp_runtime.cpp", 3026); }; | |||
| 3027 | ||||
| 3028 | // validate level | |||
| 3029 | if (level == 0) | |||
| 3030 | return 0; | |||
| 3031 | if (level < 0) | |||
| 3032 | return -1; | |||
| 3033 | thr = __kmp_threads[gtid]; | |||
| 3034 | team = thr->th.th_team; | |||
| 3035 | ii = team->t.t_level; | |||
| 3036 | if (level > ii) | |||
| 3037 | return -1; | |||
| 3038 | ||||
| 3039 | if (thr->th.th_teams_microtask) { | |||
| 3040 | // AC: we are in teams region where multiple nested teams have same level | |||
| 3041 | int tlevel = thr->th.th_teams_level; // the level of the teams construct | |||
| 3042 | if (level <= | |||
| 3043 | tlevel) { // otherwise usual algorithm works (will not touch the teams) | |||
| 3044 | KMP_DEBUG_ASSERT(ii >= tlevel)if (!(ii >= tlevel)) { __kmp_debug_assert("ii >= tlevel" , "openmp/runtime/src/kmp_runtime.cpp", 3044); }; | |||
| 3045 | // AC: As we need to pass by the teams league, we need to artificially | |||
| 3046 | // increase ii | |||
| 3047 | if (ii == tlevel) { | |||
| 3048 | ii += 2; // three teams have same level | |||
| 3049 | } else { | |||
| 3050 | ii++; // two teams have same level | |||
| 3051 | } | |||
| 3052 | } | |||
| 3053 | } | |||
| 3054 | ||||
| 3055 | if (ii == level) | |||
| 3056 | return __kmp_tid_from_gtid(gtid); | |||
| 3057 | ||||
| 3058 | dd = team->t.t_serialized; | |||
| 3059 | level++; | |||
| 3060 | while (ii > level) { | |||
| 3061 | for (dd = team->t.t_serialized; (dd > 0) && (ii > level); dd--, ii--) { | |||
| 3062 | } | |||
| 3063 | if ((team->t.t_serialized) && (!dd)) { | |||
| 3064 | team = team->t.t_parent; | |||
| 3065 | continue; | |||
| 3066 | } | |||
| 3067 | if (ii > level) { | |||
| 3068 | team = team->t.t_parent; | |||
| 3069 | dd = team->t.t_serialized; | |||
| 3070 | ii--; | |||
| 3071 | } | |||
| 3072 | } | |||
| 3073 | ||||
| 3074 | return (dd > 1) ? (0) : (team->t.t_master_tid); | |||
| 3075 | } | |||
| 3076 | ||||
| 3077 | int __kmp_get_team_size(int gtid, int level) { | |||
| 3078 | ||||
| 3079 | int ii, dd; | |||
| 3080 | kmp_team_t *team; | |||
| 3081 | kmp_info_t *thr; | |||
| 3082 | ||||
| 3083 | 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); }; | |||
| 3084 | KMP_DEBUG_ASSERT(__kmp_init_serial)if (!(__kmp_init_serial)) { __kmp_debug_assert("__kmp_init_serial" , "openmp/runtime/src/kmp_runtime.cpp", 3084); }; | |||
| 3085 | ||||
| 3086 | // validate level | |||
| 3087 | if (level == 0) | |||
| 3088 | return 1; | |||
| 3089 | if (level < 0) | |||
| 3090 | return -1; | |||
| 3091 | thr = __kmp_threads[gtid]; | |||
| 3092 | team = thr->th.th_team; | |||
| 3093 | ii = team->t.t_level; | |||
| 3094 | if (level > ii) | |||
| 3095 | return -1; | |||
| 3096 | ||||
| 3097 | if (thr->th.th_teams_microtask) { | |||
| 3098 | // AC: we are in teams region where multiple nested teams have same level | |||
| 3099 | int tlevel = thr->th.th_teams_level; // the level of the teams construct | |||
| 3100 | if (level <= | |||
| 3101 | tlevel) { // otherwise usual algorithm works (will not touch the teams) | |||
| 3102 | KMP_DEBUG_ASSERT(ii >= tlevel)if (!(ii >= tlevel)) { __kmp_debug_assert("ii >= tlevel" , "openmp/runtime/src/kmp_runtime.cpp", 3102); }; | |||
| 3103 | // AC: As we need to pass by the teams league, we need to artificially | |||
| 3104 | // increase ii | |||
| 3105 | if (ii == tlevel) { | |||
| 3106 | ii += 2; // three teams have same level | |||
| 3107 | } else { | |||
| 3108 | ii++; // two teams have same level | |||
| 3109 | } | |||
| 3110 | } | |||
| 3111 | } | |||
| 3112 | ||||
| 3113 | while (ii > level) { | |||
| 3114 | for (dd = team->t.t_serialized; (dd > 0) && (ii > level); dd--, ii--) { | |||
| 3115 | } | |||
| 3116 | if (team->t.t_serialized && (!dd)) { | |||
| 3117 | team = team->t.t_parent; | |||
| 3118 | continue; | |||
| 3119 | } | |||
| 3120 | if (ii > level) { | |||
| 3121 | team = team->t.t_parent; | |||
| 3122 | ii--; | |||
| 3123 | } | |||
| 3124 | } | |||
| 3125 | ||||
| 3126 | return team->t.t_nproc; | |||
| 3127 | } | |||
| 3128 | ||||
| 3129 | kmp_r_sched_t __kmp_get_schedule_global() { | |||
| 3130 | // This routine created because pairs (__kmp_sched, __kmp_chunk) and | |||
| 3131 | // (__kmp_static, __kmp_guided) may be changed by kmp_set_defaults | |||
| 3132 | // independently. So one can get the updated schedule here. | |||
| 3133 | ||||
| 3134 | kmp_r_sched_t r_sched; | |||
| 3135 | ||||
| 3136 | // create schedule from 4 globals: __kmp_sched, __kmp_chunk, __kmp_static, | |||
| 3137 | // __kmp_guided. __kmp_sched should keep original value, so that user can set | |||
| 3138 | // KMP_SCHEDULE multiple times, and thus have different run-time schedules in | |||
| 3139 | // different roots (even in OMP 2.5) | |||
| 3140 | enum sched_type s = SCHEDULE_WITHOUT_MODIFIERS(__kmp_sched)(enum sched_type)( (__kmp_sched) & ~(kmp_sch_modifier_nonmonotonic | kmp_sch_modifier_monotonic)); | |||
| 3141 | enum sched_type sched_modifiers = SCHEDULE_GET_MODIFIERS(__kmp_sched)((enum sched_type)( (__kmp_sched) & (kmp_sch_modifier_nonmonotonic | kmp_sch_modifier_monotonic))); | |||
| 3142 | if (s == kmp_sch_static) { | |||
| 3143 | // replace STATIC with more detailed schedule (balanced or greedy) | |||
| 3144 | r_sched.r_sched_type = __kmp_static; | |||
| 3145 | } else if (s == kmp_sch_guided_chunked) { | |||
| 3146 | // replace GUIDED with more detailed schedule (iterative or analytical) | |||
| 3147 | r_sched.r_sched_type = __kmp_guided; | |||
| 3148 | } else { // (STATIC_CHUNKED), or (DYNAMIC_CHUNKED), or other | |||
| 3149 | r_sched.r_sched_type = __kmp_sched; | |||
| 3150 | } | |||
| 3151 | SCHEDULE_SET_MODIFIERS(r_sched.r_sched_type, sched_modifiers)(r_sched.r_sched_type = (enum sched_type)((kmp_int32)r_sched. r_sched_type | (kmp_int32)sched_modifiers)); | |||
| 3152 | ||||
| 3153 | if (__kmp_chunk < KMP_DEFAULT_CHUNK1) { | |||
| 3154 | // __kmp_chunk may be wrong here (if it was not ever set) | |||
| 3155 | r_sched.chunk = KMP_DEFAULT_CHUNK1; | |||
| 3156 | } else { | |||
| 3157 | r_sched.chunk = __kmp_chunk; | |||
| 3158 | } | |||
| 3159 | ||||
| 3160 | return r_sched; | |||
| 3161 | } | |||
| 3162 | ||||
| 3163 | /* Allocate (realloc == FALSE) * or reallocate (realloc == TRUE) | |||
| 3164 | at least argc number of *t_argv entries for the requested team. */ | |||
| 3165 | static void __kmp_alloc_argv_entries(int argc, kmp_team_t *team, int realloc) { | |||
| 3166 | ||||
| 3167 | KMP_DEBUG_ASSERT(team)if (!(team)) { __kmp_debug_assert("team", "openmp/runtime/src/kmp_runtime.cpp" , 3167); }; | |||
| 3168 | if (!realloc || argc > team->t.t_max_argc) { | |||
| 3169 | ||||
| 3170 | 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); } | |||
| 3171 | "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); } | |||
| 3172 | 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); }; | |||
| 3173 | /* if previously allocated heap space for args, free them */ | |||
| 3174 | if (realloc && team->t.t_argv != &team->t.t_inline_argv[0]) | |||
| 3175 | __kmp_free((void *)team->t.t_argv)___kmp_free(((void *)team->t.t_argv), "openmp/runtime/src/kmp_runtime.cpp" , 3175); | |||
| 3176 | ||||
| 3177 | 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 *)))) { | |||
| 3178 | /* use unused space in the cache line for arguments */ | |||
| 3179 | 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 *))); | |||
| 3180 | 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); } | |||
| 3181 | "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); } | |||
| 3182 | 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); }; | |||
| 3183 | team->t.t_argv = &team->t.t_inline_argv[0]; | |||
| 3184 | if (__kmp_storage_map) { | |||
| 3185 | __kmp_print_storage_map_gtid( | |||
| 3186 | -1, &team->t.t_inline_argv[0], | |||
| 3187 | &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 *)))], | |||
| 3188 | (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", | |||
| 3189 | team->t.t_id); | |||
| 3190 | } | |||
| 3191 | } else { | |||
| 3192 | /* allocate space for arguments in the heap */ | |||
| 3193 | team->t.t_max_argc = (argc <= (KMP_MIN_MALLOC_ARGV_ENTRIES100 >> 1)) | |||
| 3194 | ? KMP_MIN_MALLOC_ARGV_ENTRIES100 | |||
| 3195 | : 2 * argc; | |||
| 3196 | 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); } | |||
| 3197 | "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); } | |||
| 3198 | 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); }; | |||
| 3199 | team->t.t_argv = | |||
| 3200 | (void **)__kmp_page_allocate(sizeof(void *) * team->t.t_max_argc)___kmp_page_allocate((sizeof(void *) * team->t.t_max_argc) , "openmp/runtime/src/kmp_runtime.cpp", 3200); | |||
| 3201 | if (__kmp_storage_map) { | |||
| 3202 | __kmp_print_storage_map_gtid(-1, &team->t.t_argv[0], | |||
| 3203 | &team->t.t_argv[team->t.t_max_argc], | |||
| 3204 | sizeof(void *) * team->t.t_max_argc, | |||
| 3205 | "team_%d.t_argv", team->t.t_id); | |||
| 3206 | } | |||
| 3207 | } | |||
| 3208 | } | |||
| 3209 | } | |||
| 3210 | ||||
| 3211 | static void __kmp_allocate_team_arrays(kmp_team_t *team, int max_nth) { | |||
| 3212 | int i; | |||
| 3213 | int num_disp_buff = max_nth > 1 ? __kmp_dispatch_num_buffers : 2; | |||
| 3214 | team->t.t_threads = | |||
| 3215 | (kmp_info_t **)__kmp_allocate(sizeof(kmp_info_t *) * max_nth)___kmp_allocate((sizeof(kmp_info_t *) * max_nth), "openmp/runtime/src/kmp_runtime.cpp" , 3215); | |||
| 3216 | team->t.t_disp_buffer = (dispatch_shared_info_t *)__kmp_allocate(___kmp_allocate((sizeof(dispatch_shared_info_t) * num_disp_buff ), "openmp/runtime/src/kmp_runtime.cpp", 3217) | |||
| 3217 | sizeof(dispatch_shared_info_t) * num_disp_buff)___kmp_allocate((sizeof(dispatch_shared_info_t) * num_disp_buff ), "openmp/runtime/src/kmp_runtime.cpp", 3217); | |||
| 3218 | team->t.t_dispatch = | |||
| 3219 | (kmp_disp_t *)__kmp_allocate(sizeof(kmp_disp_t) * max_nth)___kmp_allocate((sizeof(kmp_disp_t) * max_nth), "openmp/runtime/src/kmp_runtime.cpp" , 3219); | |||
| 3220 | team->t.t_implicit_task_taskdata = | |||
| 3221 | (kmp_taskdata_t *)__kmp_allocate(sizeof(kmp_taskdata_t) * max_nth)___kmp_allocate((sizeof(kmp_taskdata_t) * max_nth), "openmp/runtime/src/kmp_runtime.cpp" , 3221); | |||
| 3222 | team->t.t_max_nproc = max_nth; | |||
| 3223 | ||||
| 3224 | /* setup dispatch buffers */ | |||
| 3225 | for (i = 0; i < num_disp_buff; ++i) { | |||
| 3226 | team->t.t_disp_buffer[i].buffer_index = i; | |||
| 3227 | team->t.t_disp_buffer[i].doacross_buf_idx = i; | |||
| 3228 | } | |||
| 3229 | } | |||
| 3230 | ||||
| 3231 | static void __kmp_free_team_arrays(kmp_team_t *team) { | |||
| 3232 | /* Note: this does not free the threads in t_threads (__kmp_free_threads) */ | |||
| 3233 | int i; | |||
| 3234 | for (i = 0; i < team->t.t_max_nproc; ++i) { | |||
| 3235 | if (team->t.t_dispatch[i].th_disp_buffer != NULL__null) { | |||
| 3236 | __kmp_free(team->t.t_dispatch[i].th_disp_buffer)___kmp_free((team->t.t_dispatch[i].th_disp_buffer), "openmp/runtime/src/kmp_runtime.cpp" , 3236); | |||
| 3237 | team->t.t_dispatch[i].th_disp_buffer = NULL__null; | |||
| 3238 | } | |||
| 3239 | } | |||
| 3240 | #if KMP_USE_HIER_SCHED0 | |||
| 3241 | __kmp_dispatch_free_hierarchies(team); | |||
| 3242 | #endif | |||
| 3243 | __kmp_free(team->t.t_threads)___kmp_free((team->t.t_threads), "openmp/runtime/src/kmp_runtime.cpp" , 3243); | |||
| 3244 | __kmp_free(team->t.t_disp_buffer)___kmp_free((team->t.t_disp_buffer), "openmp/runtime/src/kmp_runtime.cpp" , 3244); | |||
| 3245 | __kmp_free(team->t.t_dispatch)___kmp_free((team->t.t_dispatch), "openmp/runtime/src/kmp_runtime.cpp" , 3245); | |||
| 3246 | __kmp_free(team->t.t_implicit_task_taskdata)___kmp_free((team->t.t_implicit_task_taskdata), "openmp/runtime/src/kmp_runtime.cpp" , 3246); | |||
| 3247 | team->t.t_threads = NULL__null; | |||
| 3248 | team->t.t_disp_buffer = NULL__null; | |||
| 3249 | team->t.t_dispatch = NULL__null; | |||
| 3250 | team->t.t_implicit_task_taskdata = 0; | |||
| 3251 | } | |||
| 3252 | ||||
| 3253 | static void __kmp_reallocate_team_arrays(kmp_team_t *team, int max_nth) { | |||
| 3254 | kmp_info_t **oldThreads = team->t.t_threads; | |||
| 3255 | ||||
| 3256 | __kmp_free(team->t.t_disp_buffer)___kmp_free((team->t.t_disp_buffer), "openmp/runtime/src/kmp_runtime.cpp" , 3256); | |||
| 3257 | __kmp_free(team->t.t_dispatch)___kmp_free((team->t.t_dispatch), "openmp/runtime/src/kmp_runtime.cpp" , 3257); | |||
| 3258 | __kmp_free(team->t.t_implicit_task_taskdata)___kmp_free((team->t.t_implicit_task_taskdata), "openmp/runtime/src/kmp_runtime.cpp" , 3258); | |||
| 3259 | __kmp_allocate_team_arrays(team, max_nth); | |||
| 3260 | ||||
| 3261 | KMP_MEMCPYmemcpy(team->t.t_threads, oldThreads, | |||
| 3262 | team->t.t_nproc * sizeof(kmp_info_t *)); | |||
| 3263 | ||||
| 3264 | __kmp_free(oldThreads)___kmp_free((oldThreads), "openmp/runtime/src/kmp_runtime.cpp" , 3264); | |||
| 3265 | } | |||
| 3266 | ||||
| 3267 | static kmp_internal_control_t __kmp_get_global_icvs(void) { | |||
| 3268 | ||||
| 3269 | kmp_r_sched_t r_sched = | |||
| 3270 | __kmp_get_schedule_global(); // get current state of scheduling globals | |||
| 3271 | ||||
| 3272 | KMP_DEBUG_ASSERT(__kmp_nested_proc_bind.used > 0)if (!(__kmp_nested_proc_bind.used > 0)) { __kmp_debug_assert ("__kmp_nested_proc_bind.used > 0", "openmp/runtime/src/kmp_runtime.cpp" , 3272); }; | |||
| 3273 | ||||
| 3274 | kmp_internal_control_t g_icvs = { | |||
| 3275 | 0, // int serial_nesting_level; //corresponds to value of th_team_serialized | |||
| 3276 | (kmp_int8)__kmp_global.g.g_dynamic, // internal control for dynamic | |||
| 3277 | // adjustment of threads (per thread) | |||
| 3278 | (kmp_int8)__kmp_env_blocktime, // int bt_set; //internal control for | |||
| 3279 | // whether blocktime is explicitly set | |||
| 3280 | __kmp_dflt_blocktime, // int blocktime; //internal control for blocktime | |||
| 3281 | #if KMP_USE_MONITOR | |||
| 3282 | __kmp_bt_intervals, // int bt_intervals; //internal control for blocktime | |||
| 3283 | // intervals | |||
| 3284 | #endif | |||
| 3285 | __kmp_dflt_team_nth, // int nproc; //internal control for # of threads for | |||
| 3286 | // next parallel region (per thread) | |||
| 3287 | // (use a max ub on value if __kmp_parallel_initialize not called yet) | |||
| 3288 | __kmp_cg_max_nth, // int thread_limit; | |||
| 3289 | __kmp_dflt_max_active_levels, // int max_active_levels; //internal control | |||
| 3290 | // for max_active_levels | |||
| 3291 | r_sched, // kmp_r_sched_t sched; //internal control for runtime schedule | |||
| 3292 | // {sched,chunk} pair | |||
| 3293 | __kmp_nested_proc_bind.bind_types[0], | |||
| 3294 | __kmp_default_device, | |||
| 3295 | NULL__null // struct kmp_internal_control *next; | |||
| 3296 | }; | |||
| 3297 | ||||
| 3298 | return g_icvs; | |||
| 3299 | } | |||
| 3300 | ||||
| 3301 | static kmp_internal_control_t __kmp_get_x_global_icvs(const kmp_team_t *team) { | |||
| 3302 | ||||
| 3303 | kmp_internal_control_t gx_icvs; | |||
| 3304 | gx_icvs.serial_nesting_level = | |||
| 3305 | 0; // probably =team->t.t_serial like in save_inter_controls | |||
| 3306 | copy_icvs(&gx_icvs, &team->t.t_threads[0]->th.th_current_task->td_icvs); | |||
| 3307 | gx_icvs.next = NULL__null; | |||
| 3308 | ||||
| 3309 | return gx_icvs; | |||
| 3310 | } | |||
| 3311 | ||||
| 3312 | static void __kmp_initialize_root(kmp_root_t *root) { | |||
| 3313 | int f; | |||
| 3314 | kmp_team_t *root_team; | |||
| 3315 | kmp_team_t *hot_team; | |||
| 3316 | int hot_team_max_nth; | |||
| 3317 | kmp_r_sched_t r_sched = | |||
| 3318 | __kmp_get_schedule_global(); // get current state of scheduling globals | |||
| 3319 | kmp_internal_control_t r_icvs = __kmp_get_global_icvs(); | |||
| 3320 | KMP_DEBUG_ASSERT(root)if (!(root)) { __kmp_debug_assert("root", "openmp/runtime/src/kmp_runtime.cpp" , 3320); }; | |||
| 3321 | KMP_ASSERT(!root->r.r_begin)if (!(!root->r.r_begin)) { __kmp_debug_assert("!root->r.r_begin" , "openmp/runtime/src/kmp_runtime.cpp", 3321); }; | |||
| 3322 | ||||
| 3323 | /* setup the root state structure */ | |||
| 3324 | __kmp_init_lock(&root->r.r_begin_lock); | |||
| 3325 | root->r.r_begin = FALSE0; | |||
| 3326 | root->r.r_active = FALSE0; | |||
| 3327 | root->r.r_in_parallel = 0; | |||
| 3328 | root->r.r_blocktime = __kmp_dflt_blocktime; | |||
| 3329 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 3330 | root->r.r_affinity_assigned = FALSE0; | |||
| 3331 | #endif | |||
| 3332 | ||||
| 3333 | /* setup the root team for this task */ | |||
| 3334 | /* allocate the root team structure */ | |||
| 3335 | 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" ); }; | |||
| 3336 | ||||
| 3337 | root_team = | |||
| 3338 | __kmp_allocate_team(root, | |||
| 3339 | 1, // new_nproc | |||
| 3340 | 1, // max_nproc | |||
| 3341 | #if OMPT_SUPPORT1 | |||
| 3342 | ompt_data_none{0}, // root parallel id | |||
| 3343 | #endif | |||
| 3344 | __kmp_nested_proc_bind.bind_types[0], &r_icvs, | |||
| 3345 | 0 // argc | |||
| 3346 | USE_NESTED_HOT_ARG(NULL), __null // primary thread is unknown | |||
| 3347 | ); | |||
| 3348 | #if USE_DEBUGGER0 | |||
| 3349 | // Non-NULL value should be assigned to make the debugger display the root | |||
| 3350 | // team. | |||
| 3351 | TCW_SYNC_PTR(root_team->t.t_pkfn, (microtask_t)(~0))((root_team->t.t_pkfn)) = (((microtask_t)(~0))); | |||
| 3352 | #endif | |||
| 3353 | ||||
| 3354 | 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); }; | |||
| 3355 | ||||
| 3356 | root->r.r_root_team = root_team; | |||
| 3357 | root_team->t.t_control_stack_top = NULL__null; | |||
| 3358 | ||||
| 3359 | /* initialize root team */ | |||
| 3360 | root_team->t.t_threads[0] = NULL__null; | |||
| 3361 | root_team->t.t_nproc = 1; | |||
| 3362 | root_team->t.t_serialized = 1; | |||
| 3363 | // TODO???: root_team->t.t_max_active_levels = __kmp_dflt_max_active_levels; | |||
| 3364 | root_team->t.t_sched.sched = r_sched.sched; | |||
| 3365 | 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); } | |||
| 3366 | 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); } | |||
| 3367 | ("__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); } | |||
| 3368 | 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); }; | |||
| 3369 | ||||
| 3370 | /* setup the hot team for this task */ | |||
| 3371 | /* allocate the hot team structure */ | |||
| 3372 | 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" ); }; | |||
| 3373 | ||||
| 3374 | hot_team = | |||
| 3375 | __kmp_allocate_team(root, | |||
| 3376 | 1, // new_nproc | |||
| 3377 | __kmp_dflt_team_nth_ub * 2, // max_nproc | |||
| 3378 | #if OMPT_SUPPORT1 | |||
| 3379 | ompt_data_none{0}, // root parallel id | |||
| 3380 | #endif | |||
| 3381 | __kmp_nested_proc_bind.bind_types[0], &r_icvs, | |||
| 3382 | 0 // argc | |||
| 3383 | USE_NESTED_HOT_ARG(NULL), __null // primary thread is unknown | |||
| 3384 | ); | |||
| 3385 | 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); }; | |||
| 3386 | ||||
| 3387 | root->r.r_hot_team = hot_team; | |||
| 3388 | root_team->t.t_control_stack_top = NULL__null; | |||
| 3389 | ||||
| 3390 | /* first-time initialization */ | |||
| 3391 | hot_team->t.t_parent = root_team; | |||
| 3392 | ||||
| 3393 | /* initialize hot team */ | |||
| 3394 | hot_team_max_nth = hot_team->t.t_max_nproc; | |||
| 3395 | for (f = 0; f < hot_team_max_nth; ++f) { | |||
| 3396 | hot_team->t.t_threads[f] = NULL__null; | |||
| 3397 | } | |||
| 3398 | hot_team->t.t_nproc = 1; | |||
| 3399 | // TODO???: hot_team->t.t_max_active_levels = __kmp_dflt_max_active_levels; | |||
| 3400 | hot_team->t.t_sched.sched = r_sched.sched; | |||
| 3401 | hot_team->t.t_size_changed = 0; | |||
| 3402 | } | |||
| 3403 | ||||
| 3404 | #ifdef KMP_DEBUG1 | |||
| 3405 | ||||
| 3406 | typedef struct kmp_team_list_item { | |||
| 3407 | kmp_team_p const *entry; | |||
| 3408 | struct kmp_team_list_item *next; | |||
| 3409 | } kmp_team_list_item_t; | |||
| 3410 | typedef kmp_team_list_item_t *kmp_team_list_t; | |||
| 3411 | ||||
| 3412 | static void __kmp_print_structure_team_accum( // Add team to list of teams. | |||
| 3413 | kmp_team_list_t list, // List of teams. | |||
| 3414 | kmp_team_p const *team // Team to add. | |||
| 3415 | ) { | |||
| 3416 | ||||
| 3417 | // List must terminate with item where both entry and next are NULL. | |||
| 3418 | // Team is added to the list only once. | |||
| 3419 | // List is sorted in ascending order by team id. | |||
| 3420 | // Team id is *not* a key. | |||
| 3421 | ||||
| 3422 | kmp_team_list_t l; | |||
| 3423 | ||||
| 3424 | KMP_DEBUG_ASSERT(list != NULL)if (!(list != __null)) { __kmp_debug_assert("list != __null", "openmp/runtime/src/kmp_runtime.cpp", 3424); }; | |||
| 3425 | if (team == NULL__null) { | |||
| 3426 | return; | |||
| 3427 | } | |||
| 3428 | ||||
| 3429 | __kmp_print_structure_team_accum(list, team->t.t_parent); | |||
| 3430 | __kmp_print_structure_team_accum(list, team->t.t_next_pool); | |||
| 3431 | ||||
| 3432 | // Search list for the team. | |||
| 3433 | l = list; | |||
| 3434 | while (l->next != NULL__null && l->entry != team) { | |||
| 3435 | l = l->next; | |||
| 3436 | } | |||
| 3437 | if (l->next != NULL__null) { | |||
| 3438 | return; // Team has been added before, exit. | |||
| 3439 | } | |||
| 3440 | ||||
| 3441 | // Team is not found. Search list again for insertion point. | |||
| 3442 | l = list; | |||
| 3443 | while (l->next != NULL__null && l->entry->t.t_id <= team->t.t_id) { | |||
| 3444 | l = l->next; | |||
| 3445 | } | |||
| 3446 | ||||
| 3447 | // Insert team. | |||
| 3448 | { | |||
| 3449 | kmp_team_list_item_t *item = (kmp_team_list_item_t *)KMP_INTERNAL_MALLOC(malloc(sizeof(kmp_team_list_item_t)) | |||
| 3450 | sizeof(kmp_team_list_item_t))malloc(sizeof(kmp_team_list_item_t)); | |||
| 3451 | *item = *l; | |||
| 3452 | l->entry = team; | |||
| 3453 | l->next = item; | |||
| 3454 | } | |||
| 3455 | } | |||
| 3456 | ||||
| 3457 | static void __kmp_print_structure_team(char const *title, kmp_team_p const *team | |||
| 3458 | ||||
| 3459 | ) { | |||
| 3460 | __kmp_printf("%s", title); | |||
| 3461 | if (team != NULL__null) { | |||
| 3462 | __kmp_printf("%2x %p\n", team->t.t_id, team); | |||
| 3463 | } else { | |||
| 3464 | __kmp_printf(" - (nil)\n"); | |||
| 3465 | } | |||
| 3466 | } | |||
| 3467 | ||||
| 3468 | static void __kmp_print_structure_thread(char const *title, | |||
| 3469 | kmp_info_p const *thread) { | |||
| 3470 | __kmp_printf("%s", title); | |||
| 3471 | if (thread != NULL__null) { | |||
| 3472 | __kmp_printf("%2d %p\n", thread->th.th_info.ds.ds_gtid, thread); | |||
| 3473 | } else { | |||
| 3474 | __kmp_printf(" - (nil)\n"); | |||
| 3475 | } | |||
| 3476 | } | |||
| 3477 | ||||
| 3478 | void __kmp_print_structure(void) { | |||
| 3479 | ||||
| 3480 | kmp_team_list_t list; | |||
| 3481 | ||||
| 3482 | // Initialize list of teams. | |||
| 3483 | list = | |||
| 3484 | (kmp_team_list_item_t *)KMP_INTERNAL_MALLOC(sizeof(kmp_team_list_item_t))malloc(sizeof(kmp_team_list_item_t)); | |||
| 3485 | list->entry = NULL__null; | |||
| 3486 | list->next = NULL__null; | |||
| 3487 | ||||
| 3488 | __kmp_printf("\n------------------------------\nGlobal Thread " | |||
| 3489 | "Table\n------------------------------\n"); | |||
| 3490 | { | |||
| 3491 | int gtid; | |||
| 3492 | for (gtid = 0; gtid < __kmp_threads_capacity; ++gtid) { | |||
| 3493 | __kmp_printf("%2d", gtid); | |||
| 3494 | if (__kmp_threads != NULL__null) { | |||
| 3495 | __kmp_printf(" %p", __kmp_threads[gtid]); | |||
| 3496 | } | |||
| 3497 | if (__kmp_root != NULL__null) { | |||
| 3498 | __kmp_printf(" %p", __kmp_root[gtid]); | |||
| 3499 | } | |||
| 3500 | __kmp_printf("\n"); | |||
| 3501 | } | |||
| 3502 | } | |||
| 3503 | ||||
| 3504 | // Print out __kmp_threads array. | |||
| 3505 | __kmp_printf("\n------------------------------\nThreads\n--------------------" | |||
| 3506 | "----------\n"); | |||
| 3507 | if (__kmp_threads != NULL__null) { | |||
| 3508 | int gtid; | |||
| 3509 | for (gtid = 0; gtid < __kmp_threads_capacity; ++gtid) { | |||
| 3510 | kmp_info_t const *thread = __kmp_threads[gtid]; | |||
| 3511 | if (thread != NULL__null) { | |||
| 3512 | __kmp_printf("GTID %2d %p:\n", gtid, thread); | |||
| 3513 | __kmp_printf(" Our Root: %p\n", thread->th.th_root); | |||
| 3514 | __kmp_print_structure_team(" Our Team: ", thread->th.th_team); | |||
| 3515 | __kmp_print_structure_team(" Serial Team: ", | |||
| 3516 | thread->th.th_serial_team); | |||
| 3517 | __kmp_printf(" Threads: %2d\n", thread->th.th_team_nproc); | |||
| 3518 | __kmp_print_structure_thread(" Primary: ", | |||
| 3519 | thread->th.th_team_master); | |||
| 3520 | __kmp_printf(" Serialized?: %2d\n", thread->th.th_team_serialized); | |||
| 3521 | __kmp_printf(" Set NProc: %2d\n", thread->th.th_set_nproc); | |||
| 3522 | __kmp_printf(" Set Proc Bind: %2d\n", thread->th.th_set_proc_bind); | |||
| 3523 | __kmp_print_structure_thread(" Next in pool: ", | |||
| 3524 | thread->th.th_next_pool); | |||
| 3525 | __kmp_printf("\n"); | |||
| 3526 | __kmp_print_structure_team_accum(list, thread->th.th_team); | |||
| 3527 | __kmp_print_structure_team_accum(list, thread->th.th_serial_team); | |||
| 3528 | } | |||
| 3529 | } | |||
| 3530 | } else { | |||
| 3531 | __kmp_printf("Threads array is not allocated.\n"); | |||
| 3532 | } | |||
| 3533 | ||||
| 3534 | // Print out __kmp_root array. | |||
| 3535 | __kmp_printf("\n------------------------------\nUbers\n----------------------" | |||
| 3536 | "--------\n"); | |||
| 3537 | if (__kmp_root != NULL__null) { | |||
| 3538 | int gtid; | |||
| 3539 | for (gtid = 0; gtid < __kmp_threads_capacity; ++gtid) { | |||
| 3540 | kmp_root_t const *root = __kmp_root[gtid]; | |||
| 3541 | if (root != NULL__null) { | |||
| 3542 | __kmp_printf("GTID %2d %p:\n", gtid, root); | |||
| 3543 | __kmp_print_structure_team(" Root Team: ", root->r.r_root_team); | |||
| 3544 | __kmp_print_structure_team(" Hot Team: ", root->r.r_hot_team); | |||
| 3545 | __kmp_print_structure_thread(" Uber Thread: ", | |||
| 3546 | root->r.r_uber_thread); | |||
| 3547 | __kmp_printf(" Active?: %2d\n", root->r.r_active); | |||
| 3548 | __kmp_printf(" In Parallel: %2d\n", | |||
| 3549 | KMP_ATOMIC_LD_RLX(&root->r.r_in_parallel)(&root->r.r_in_parallel)->load(std::memory_order_relaxed )); | |||
| 3550 | __kmp_printf("\n"); | |||
| 3551 | __kmp_print_structure_team_accum(list, root->r.r_root_team); | |||
| 3552 | __kmp_print_structure_team_accum(list, root->r.r_hot_team); | |||
| 3553 | } | |||
| 3554 | } | |||
| 3555 | } else { | |||
| 3556 | __kmp_printf("Ubers array is not allocated.\n"); | |||
| 3557 | } | |||
| 3558 | ||||
| 3559 | __kmp_printf("\n------------------------------\nTeams\n----------------------" | |||
| 3560 | "--------\n"); | |||
| 3561 | while (list->next != NULL__null) { | |||
| 3562 | kmp_team_p const *team = list->entry; | |||
| 3563 | int i; | |||
| 3564 | __kmp_printf("Team %2x %p:\n", team->t.t_id, team); | |||
| 3565 | __kmp_print_structure_team(" Parent Team: ", team->t.t_parent); | |||
| 3566 | __kmp_printf(" Primary TID: %2d\n", team->t.t_master_tid); | |||
| 3567 | __kmp_printf(" Max threads: %2d\n", team->t.t_max_nproc); | |||
| 3568 | __kmp_printf(" Levels of serial: %2d\n", team->t.t_serialized); | |||
| 3569 | __kmp_printf(" Number threads: %2d\n", team->t.t_nproc); | |||
| 3570 | for (i = 0; i < team->t.t_nproc; ++i) { | |||
| 3571 | __kmp_printf(" Thread %2d: ", i); | |||
| 3572 | __kmp_print_structure_thread("", team->t.t_threads[i]); | |||
| 3573 | } | |||
| 3574 | __kmp_print_structure_team(" Next in pool: ", team->t.t_next_pool); | |||
| 3575 | __kmp_printf("\n"); | |||
| 3576 | list = list->next; | |||
| 3577 | } | |||
| 3578 | ||||
| 3579 | // Print out __kmp_thread_pool and __kmp_team_pool. | |||
| 3580 | __kmp_printf("\n------------------------------\nPools\n----------------------" | |||
| 3581 | "--------\n"); | |||
| 3582 | __kmp_print_structure_thread("Thread pool: ", | |||
| 3583 | CCAST(kmp_info_t *, __kmp_thread_pool)const_cast<kmp_info_t *>(__kmp_thread_pool)); | |||
| 3584 | __kmp_print_structure_team("Team pool: ", | |||
| 3585 | CCAST(kmp_team_t *, __kmp_team_pool)const_cast<kmp_team_t *>(__kmp_team_pool)); | |||
| 3586 | __kmp_printf("\n"); | |||
| 3587 | ||||
| 3588 | // Free team list. | |||
| 3589 | while (list != NULL__null) { | |||
| 3590 | kmp_team_list_item_t *item = list; | |||
| 3591 | list = list->next; | |||
| 3592 | KMP_INTERNAL_FREE(item)free(item); | |||
| 3593 | } | |||
| 3594 | } | |||
| 3595 | ||||
| 3596 | #endif | |||
| 3597 | ||||
| 3598 | //--------------------------------------------------------------------------- | |||
| 3599 | // Stuff for per-thread fast random number generator | |||
| 3600 | // Table of primes | |||
| 3601 | static const unsigned __kmp_primes[] = { | |||
| 3602 | 0x9e3779b1, 0xffe6cc59, 0x2109f6dd, 0x43977ab5, 0xba5703f5, 0xb495a877, | |||
| 3603 | 0xe1626741, 0x79695e6b, 0xbc98c09f, 0xd5bee2b3, 0x287488f9, 0x3af18231, | |||
| 3604 | 0x9677cd4d, 0xbe3a6929, 0xadc6a877, 0xdcf0674b, 0xbe4d6fe9, 0x5f15e201, | |||
| 3605 | 0x99afc3fd, 0xf3f16801, 0xe222cfff, 0x24ba5fdb, 0x0620452d, 0x79f149e3, | |||
| 3606 | 0xc8b93f49, 0x972702cd, 0xb07dd827, 0x6c97d5ed, 0x085a3d61, 0x46eb5ea7, | |||
| 3607 | 0x3d9910ed, 0x2e687b5b, 0x29609227, 0x6eb081f1, 0x0954c4e1, 0x9d114db9, | |||
| 3608 | 0x542acfa9, 0xb3e6bd7b, 0x0742d917, 0xe9f3ffa7, 0x54581edb, 0xf2480f45, | |||
| 3609 | 0x0bb9288f, 0xef1affc7, 0x85fa0ca7, 0x3ccc14db, 0xe6baf34b, 0x343377f7, | |||
| 3610 | 0x5ca19031, 0xe6d9293b, 0xf0a9f391, 0x5d2e980b, 0xfc411073, 0xc3749363, | |||
| 3611 | 0xb892d829, 0x3549366b, 0x629750ad, 0xb98294e5, 0x892d9483, 0xc235baf3, | |||
| 3612 | 0x3d2402a3, 0x6bdef3c9, 0xbec333cd, 0x40c9520f}; | |||
| 3613 | ||||
| 3614 | //--------------------------------------------------------------------------- | |||
| 3615 | // __kmp_get_random: Get a random number using a linear congruential method. | |||
| 3616 | unsigned short __kmp_get_random(kmp_info_t *thread) { | |||
| 3617 | unsigned x = thread->th.th_x; | |||
| 3618 | unsigned short r = (unsigned short)(x >> 16); | |||
| 3619 | ||||
| 3620 | thread->th.th_x = x * thread->th.th_a + 1; | |||
| 3621 | ||||
| 3622 | 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); } | |||
| 3623 | 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); }; | |||
| 3624 | ||||
| 3625 | return r; | |||
| 3626 | } | |||
| 3627 | //-------------------------------------------------------- | |||
| 3628 | // __kmp_init_random: Initialize a random number generator | |||
| 3629 | void __kmp_init_random(kmp_info_t *thread) { | |||
| 3630 | unsigned seed = thread->th.th_info.ds.ds_tid; | |||
| 3631 | ||||
| 3632 | thread->th.th_a = | |||
| 3633 | __kmp_primes[seed % (sizeof(__kmp_primes) / sizeof(__kmp_primes[0]))]; | |||
| 3634 | thread->th.th_x = (seed + 1) * thread->th.th_a + 1; | |||
| 3635 | KA_TRACE(30,if (kmp_a_debug >= 30) { __kmp_debug_printf ("__kmp_init_random: THREAD: %u; A: %u\n" , seed, thread->th.th_a); } | |||
| 3636 | ("__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); }; | |||
| 3637 | } | |||
| 3638 | ||||
| 3639 | #if KMP_OS_WINDOWS0 | |||
| 3640 | /* reclaim array entries for root threads that are already dead, returns number | |||
| 3641 | * reclaimed */ | |||
| 3642 | static int __kmp_reclaim_dead_roots(void) { | |||
| 3643 | int i, r = 0; | |||
| 3644 | ||||
| 3645 | for (i = 0; i < __kmp_threads_capacity; ++i) { | |||
| 3646 | if (KMP_UBER_GTID(i) && | |||
| 3647 | !__kmp_still_running((kmp_info_t *)TCR_SYNC_PTR(__kmp_threads[i])((void *)(__kmp_threads[i]))) && | |||
| 3648 | !__kmp_root[i] | |||
| 3649 | ->r.r_active) { // AC: reclaim only roots died in non-active state | |||
| 3650 | r += __kmp_unregister_root_other_thread(i); | |||
| 3651 | } | |||
| 3652 | } | |||
| 3653 | return r; | |||
| 3654 | } | |||
| 3655 | #endif | |||
| 3656 | ||||
| 3657 | /* This function attempts to create free entries in __kmp_threads and | |||
| 3658 | __kmp_root, and returns the number of free entries generated. | |||
| 3659 | ||||
| 3660 | For Windows* OS static library, the first mechanism used is to reclaim array | |||
| 3661 | entries for root threads that are already dead. | |||
| 3662 | ||||
| 3663 | On all platforms, expansion is attempted on the arrays __kmp_threads_ and | |||
| 3664 | __kmp_root, with appropriate update to __kmp_threads_capacity. Array | |||
| 3665 | capacity is increased by doubling with clipping to __kmp_tp_capacity, if | |||
| 3666 | threadprivate cache array has been created. Synchronization with | |||
| 3667 | __kmpc_threadprivate_cached is done using __kmp_tp_cached_lock. | |||
| 3668 | ||||
| 3669 | After any dead root reclamation, if the clipping value allows array expansion | |||
| 3670 | to result in the generation of a total of nNeed free slots, the function does | |||
| 3671 | that expansion. If not, nothing is done beyond the possible initial root | |||
| 3672 | thread reclamation. | |||
| 3673 | ||||
| 3674 | If any argument is negative, the behavior is undefined. */ | |||
| 3675 | static int __kmp_expand_threads(int nNeed) { | |||
| 3676 | int added = 0; | |||
| 3677 | int minimumRequiredCapacity; | |||
| 3678 | int newCapacity; | |||
| 3679 | kmp_info_t **newThreads; | |||
| 3680 | kmp_root_t **newRoot; | |||
| 3681 | ||||
| 3682 | // All calls to __kmp_expand_threads should be under __kmp_forkjoin_lock, so | |||
| 3683 | // resizing __kmp_threads does not need additional protection if foreign | |||
| 3684 | // threads are present | |||
| 3685 | ||||
| 3686 | #if KMP_OS_WINDOWS0 && !KMP_DYNAMIC_LIB1 | |||
| 3687 | /* only for Windows static library */ | |||
| 3688 | /* reclaim array entries for root threads that are already dead */ | |||
| 3689 | added = __kmp_reclaim_dead_roots(); | |||
| 3690 | ||||
| 3691 | if (nNeed) { | |||
| 3692 | nNeed -= added; | |||
| 3693 | if (nNeed < 0) | |||
| 3694 | nNeed = 0; | |||
| 3695 | } | |||
| 3696 | #endif | |||
| 3697 | if (nNeed <= 0) | |||
| 3698 | return added; | |||
| 3699 | ||||
| 3700 | // Note that __kmp_threads_capacity is not bounded by __kmp_max_nth. If | |||
| 3701 | // __kmp_max_nth is set to some value less than __kmp_sys_max_nth by the | |||
| 3702 | // user via KMP_DEVICE_THREAD_LIMIT, then __kmp_threads_capacity may become | |||
| 3703 | // > __kmp_max_nth in one of two ways: | |||
| 3704 | // | |||
| 3705 | // 1) The initialization thread (gtid = 0) exits. __kmp_threads[0] | |||
| 3706 | // may not be reused by another thread, so we may need to increase | |||
| 3707 | // __kmp_threads_capacity to __kmp_max_nth + 1. | |||
| 3708 | // | |||
| 3709 | // 2) New foreign root(s) are encountered. We always register new foreign | |||
| 3710 | // roots. This may cause a smaller # of threads to be allocated at | |||
| 3711 | // subsequent parallel regions, but the worker threads hang around (and | |||
| 3712 | // eventually go to sleep) and need slots in the __kmp_threads[] array. | |||
| 3713 | // | |||
| 3714 | // Anyway, that is the reason for moving the check to see if | |||
| 3715 | // __kmp_max_nth was exceeded into __kmp_reserve_threads() | |||
| 3716 | // instead of having it performed here. -BB | |||
| 3717 | ||||
| 3718 | KMP_DEBUG_ASSERT(__kmp_sys_max_nth >= __kmp_threads_capacity)if (!(__kmp_sys_max_nth >= __kmp_threads_capacity)) { __kmp_debug_assert ("__kmp_sys_max_nth >= __kmp_threads_capacity", "openmp/runtime/src/kmp_runtime.cpp" , 3718); }; | |||
| 3719 | ||||
| 3720 | /* compute expansion headroom to check if we can expand */ | |||
| 3721 | if (__kmp_sys_max_nth - __kmp_threads_capacity < nNeed) { | |||
| 3722 | /* possible expansion too small -- give up */ | |||
| 3723 | return added; | |||
| 3724 | } | |||
| 3725 | minimumRequiredCapacity = __kmp_threads_capacity + nNeed; | |||
| 3726 | ||||
| 3727 | newCapacity = __kmp_threads_capacity; | |||
| 3728 | do { | |||
| 3729 | newCapacity = newCapacity <= (__kmp_sys_max_nth >> 1) ? (newCapacity << 1) | |||
| 3730 | : __kmp_sys_max_nth; | |||
| 3731 | } while (newCapacity < minimumRequiredCapacity); | |||
| 3732 | newThreads = (kmp_info_t **)__kmp_allocate(___kmp_allocate(((sizeof(kmp_info_t *) + sizeof(kmp_root_t *) ) * newCapacity + 64), "openmp/runtime/src/kmp_runtime.cpp", 3733 ) | |||
| 3733 | (sizeof(kmp_info_t *) + sizeof(kmp_root_t *)) * newCapacity + CACHE_LINE)___kmp_allocate(((sizeof(kmp_info_t *) + sizeof(kmp_root_t *) ) * newCapacity + 64), "openmp/runtime/src/kmp_runtime.cpp", 3733 ); | |||
| 3734 | newRoot = | |||
| 3735 | (kmp_root_t **)((char *)newThreads + sizeof(kmp_info_t *) * newCapacity); | |||
| 3736 | KMP_MEMCPYmemcpy(newThreads, __kmp_threads, | |||
| 3737 | __kmp_threads_capacity * sizeof(kmp_info_t *)); | |||
| 3738 | KMP_MEMCPYmemcpy(newRoot, __kmp_root, | |||
| 3739 | __kmp_threads_capacity * sizeof(kmp_root_t *)); | |||
| 3740 | // Put old __kmp_threads array on a list. Any ongoing references to the old | |||
| 3741 | // list will be valid. This list is cleaned up at library shutdown. | |||
| 3742 | kmp_old_threads_list_t *node = | |||
| 3743 | (kmp_old_threads_list_t *)__kmp_allocate(sizeof(kmp_old_threads_list_t))___kmp_allocate((sizeof(kmp_old_threads_list_t)), "openmp/runtime/src/kmp_runtime.cpp" , 3743); | |||
| 3744 | node->threads = __kmp_threads; | |||
| 3745 | node->next = __kmp_old_threads_list; | |||
| 3746 | __kmp_old_threads_list = node; | |||
| 3747 | ||||
| 3748 | *(kmp_info_t * *volatile *)&__kmp_threads = newThreads; | |||
| 3749 | *(kmp_root_t * *volatile *)&__kmp_root = newRoot; | |||
| 3750 | added += newCapacity - __kmp_threads_capacity; | |||
| 3751 | *(volatile int *)&__kmp_threads_capacity = newCapacity; | |||
| 3752 | ||||
| 3753 | if (newCapacity > __kmp_tp_capacity) { | |||
| 3754 | __kmp_acquire_bootstrap_lock(&__kmp_tp_cached_lock); | |||
| 3755 | if (__kmp_tp_cached && newCapacity > __kmp_tp_capacity) { | |||
| 3756 | __kmp_threadprivate_resize_cache(newCapacity); | |||
| 3757 | } else { // increase __kmp_tp_capacity to correspond with kmp_threads size | |||
| 3758 | *(volatile int *)&__kmp_tp_capacity = newCapacity; | |||
| 3759 | } | |||
| 3760 | __kmp_release_bootstrap_lock(&__kmp_tp_cached_lock); | |||
| 3761 | } | |||
| 3762 | ||||
| 3763 | return added; | |||
| 3764 | } | |||
| 3765 | ||||
| 3766 | /* Register the current thread as a root thread and obtain our gtid. We must | |||
| 3767 | have the __kmp_initz_lock held at this point. Argument TRUE only if are the | |||
| 3768 | thread that calls from __kmp_do_serial_initialize() */ | |||
| 3769 | int __kmp_register_root(int initial_thread) { | |||
| 3770 | kmp_info_t *root_thread; | |||
| 3771 | kmp_root_t *root; | |||
| 3772 | int gtid; | |||
| 3773 | int capacity; | |||
| 3774 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 3775 | KA_TRACE(20, ("__kmp_register_root: entered\n"))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_register_root: entered\n" ); }; | |||
| 3776 | KMP_MB(); | |||
| 3777 | ||||
| 3778 | /* 2007-03-02: | |||
| 3779 | If initial thread did not invoke OpenMP RTL yet, and this thread is not an | |||
| 3780 | initial one, "__kmp_all_nth >= __kmp_threads_capacity" condition does not | |||
| 3781 | work as expected -- it may return false (that means there is at least one | |||
| 3782 | empty slot in __kmp_threads array), but it is possible the only free slot | |||
| 3783 | is #0, which is reserved for initial thread and so cannot be used for this | |||
| 3784 | one. Following code workarounds this bug. | |||
| 3785 | ||||
| 3786 | However, right solution seems to be not reserving slot #0 for initial | |||
| 3787 | thread because: | |||
| 3788 | (1) there is no magic in slot #0, | |||
| 3789 | (2) we cannot detect initial thread reliably (the first thread which does | |||
| 3790 | serial initialization may be not a real initial thread). | |||
| 3791 | */ | |||
| 3792 | capacity = __kmp_threads_capacity; | |||
| 3793 | if (!initial_thread && TCR_PTR(__kmp_threads[0])((void *)(__kmp_threads[0])) == NULL__null) { | |||
| 3794 | --capacity; | |||
| 3795 | } | |||
| 3796 | ||||
| 3797 | // If it is not for initializing the hidden helper team, we need to take | |||
| 3798 | // __kmp_hidden_helper_threads_num out of the capacity because it is included | |||
| 3799 | // in __kmp_threads_capacity. | |||
| 3800 | if (__kmp_enable_hidden_helper && !TCR_4(__kmp_init_hidden_helper_threads)(__kmp_init_hidden_helper_threads)) { | |||
| 3801 | capacity -= __kmp_hidden_helper_threads_num; | |||
| 3802 | } | |||
| 3803 | ||||
| 3804 | /* see if there are too many threads */ | |||
| 3805 | if (__kmp_all_nth >= capacity && !__kmp_expand_threads(1)) { | |||
| 3806 | if (__kmp_tp_cached) { | |||
| 3807 | __kmp_fatal(KMP_MSG(CantRegisterNewThread)__kmp_msg_format(kmp_i18n_msg_CantRegisterNewThread), | |||
| 3808 | KMP_HNT(Set_ALL_THREADPRIVATE, __kmp_tp_capacity)__kmp_msg_format(kmp_i18n_hnt_Set_ALL_THREADPRIVATE, __kmp_tp_capacity ), | |||
| 3809 | KMP_HNT(PossibleSystemLimitOnThreads)__kmp_msg_format(kmp_i18n_hnt_PossibleSystemLimitOnThreads), __kmp_msg_null); | |||
| 3810 | } else { | |||
| 3811 | __kmp_fatal(KMP_MSG(CantRegisterNewThread)__kmp_msg_format(kmp_i18n_msg_CantRegisterNewThread), KMP_HNT(SystemLimitOnThreads)__kmp_msg_format(kmp_i18n_hnt_SystemLimitOnThreads), | |||
| 3812 | __kmp_msg_null); | |||
| 3813 | } | |||
| 3814 | } | |||
| 3815 | ||||
| 3816 | // When hidden helper task is enabled, __kmp_threads is organized as follows: | |||
| 3817 | // 0: initial thread, also a regular OpenMP thread. | |||
| 3818 | // [1, __kmp_hidden_helper_threads_num]: slots for hidden helper threads. | |||
| 3819 | // [__kmp_hidden_helper_threads_num + 1, __kmp_threads_capacity): slots for | |||
| 3820 | // regular OpenMP threads. | |||
| 3821 | if (TCR_4(__kmp_init_hidden_helper_threads)(__kmp_init_hidden_helper_threads)) { | |||
| 3822 | // Find an available thread slot for hidden helper thread. Slots for hidden | |||
| 3823 | // helper threads start from 1 to __kmp_hidden_helper_threads_num. | |||
| 3824 | for (gtid = 1; TCR_PTR(__kmp_threads[gtid])((void *)(__kmp_threads[gtid])) != NULL__null && | |||
| 3825 | gtid <= __kmp_hidden_helper_threads_num; | |||
| 3826 | gtid++) | |||
| 3827 | ; | |||
| 3828 | KMP_ASSERT(gtid <= __kmp_hidden_helper_threads_num)if (!(gtid <= __kmp_hidden_helper_threads_num)) { __kmp_debug_assert ("gtid <= __kmp_hidden_helper_threads_num", "openmp/runtime/src/kmp_runtime.cpp" , 3828); }; | |||
| 3829 | KA_TRACE(1, ("__kmp_register_root: found slot in threads array for "if (kmp_a_debug >= 1) { __kmp_debug_printf ("__kmp_register_root: found slot in threads array for " "hidden helper thread: T#%d\n", gtid); } | |||
| 3830 | "hidden helper thread: T#%d\n",if (kmp_a_debug >= 1) { __kmp_debug_printf ("__kmp_register_root: found slot in threads array for " "hidden helper thread: T#%d\n", gtid); } | |||
| 3831 | gtid))if (kmp_a_debug >= 1) { __kmp_debug_printf ("__kmp_register_root: found slot in threads array for " "hidden helper thread: T#%d\n", gtid); }; | |||
| 3832 | } else { | |||
| 3833 | /* find an available thread slot */ | |||
| 3834 | // Don't reassign the zero slot since we need that to only be used by | |||
| 3835 | // initial thread. Slots for hidden helper threads should also be skipped. | |||
| 3836 | if (initial_thread && TCR_PTR(__kmp_threads[0])((void *)(__kmp_threads[0])) == NULL__null) { | |||
| 3837 | gtid = 0; | |||
| 3838 | } else { | |||
| 3839 | for (gtid = __kmp_hidden_helper_threads_num + 1; | |||
| 3840 | TCR_PTR(__kmp_threads[gtid])((void *)(__kmp_threads[gtid])) != NULL__null; gtid++) | |||
| 3841 | ; | |||
| 3842 | } | |||
| 3843 | KA_TRACE(if (kmp_a_debug >= 1) { __kmp_debug_printf ("__kmp_register_root: found slot in threads array: T#%d\n" , gtid); } | |||
| 3844 | 1, ("__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); }; | |||
| 3845 | KMP_ASSERT(gtid < __kmp_threads_capacity)if (!(gtid < __kmp_threads_capacity)) { __kmp_debug_assert ("gtid < __kmp_threads_capacity", "openmp/runtime/src/kmp_runtime.cpp" , 3845); }; | |||
| 3846 | } | |||
| 3847 | ||||
| 3848 | /* update global accounting */ | |||
| 3849 | __kmp_all_nth++; | |||
| 3850 | TCW_4(__kmp_nth, __kmp_nth + 1)(__kmp_nth) = (__kmp_nth + 1); | |||
| 3851 | ||||
| 3852 | // if __kmp_adjust_gtid_mode is set, then we use method #1 (sp search) for low | |||
| 3853 | // numbers of procs, and method #2 (keyed API call) for higher numbers. | |||
| 3854 | if (__kmp_adjust_gtid_mode) { | |||
| 3855 | if (__kmp_all_nth >= __kmp_tls_gtid_min) { | |||
| 3856 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) != 2) { | |||
| 3857 | TCW_4(__kmp_gtid_mode, 2)(__kmp_gtid_mode) = (2); | |||
| 3858 | } | |||
| 3859 | } else { | |||
| 3860 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) != 1) { | |||
| 3861 | TCW_4(__kmp_gtid_mode, 1)(__kmp_gtid_mode) = (1); | |||
| 3862 | } | |||
| 3863 | } | |||
| 3864 | } | |||
| 3865 | ||||
| 3866 | #ifdef KMP_ADJUST_BLOCKTIME1 | |||
| 3867 | /* Adjust blocktime to zero if necessary */ | |||
| 3868 | /* Middle initialization might not have occurred yet */ | |||
| 3869 | if (!__kmp_env_blocktime && (__kmp_avail_proc > 0)) { | |||
| 3870 | if (__kmp_nth > __kmp_avail_proc) { | |||
| 3871 | __kmp_zero_bt = TRUE(!0); | |||
| 3872 | } | |||
| 3873 | } | |||
| 3874 | #endif /* KMP_ADJUST_BLOCKTIME */ | |||
| 3875 | ||||
| 3876 | /* setup this new hierarchy */ | |||
| 3877 | if (!(root = __kmp_root[gtid])) { | |||
| 3878 | root = __kmp_root[gtid] = (kmp_root_t *)__kmp_allocate(sizeof(kmp_root_t))___kmp_allocate((sizeof(kmp_root_t)), "openmp/runtime/src/kmp_runtime.cpp" , 3878); | |||
| 3879 | KMP_DEBUG_ASSERT(!root->r.r_root_team)if (!(!root->r.r_root_team)) { __kmp_debug_assert("!root->r.r_root_team" , "openmp/runtime/src/kmp_runtime.cpp", 3879); }; | |||
| 3880 | } | |||
| 3881 | ||||
| 3882 | #if KMP_STATS_ENABLED0 | |||
| 3883 | // Initialize stats as soon as possible (right after gtid assignment). | |||
| 3884 | __kmp_stats_thread_ptr = __kmp_stats_list->push_back(gtid); | |||
| 3885 | __kmp_stats_thread_ptr->startLife(); | |||
| 3886 | KMP_SET_THREAD_STATE(SERIAL_REGION)((void)0); | |||
| 3887 | KMP_INIT_PARTITIONED_TIMERS(OMP_serial)((void)0); | |||
| 3888 | #endif | |||
| 3889 | __kmp_initialize_root(root); | |||
| 3890 | ||||
| 3891 | /* setup new root thread structure */ | |||
| 3892 | if (root->r.r_uber_thread) { | |||
| 3893 | root_thread = root->r.r_uber_thread; | |||
| 3894 | } else { | |||
| 3895 | root_thread = (kmp_info_t *)__kmp_allocate(sizeof(kmp_info_t))___kmp_allocate((sizeof(kmp_info_t)), "openmp/runtime/src/kmp_runtime.cpp" , 3895); | |||
| 3896 | if (__kmp_storage_map) { | |||
| 3897 | __kmp_print_thread_storage_map(root_thread, gtid); | |||
| 3898 | } | |||
| 3899 | root_thread->th.th_info.ds.ds_gtid = gtid; | |||
| 3900 | #if OMPT_SUPPORT1 | |||
| 3901 | root_thread->th.ompt_thread_info.thread_data = ompt_data_none{0}; | |||
| 3902 | #endif | |||
| 3903 | root_thread->th.th_root = root; | |||
| 3904 | if (__kmp_env_consistency_check) { | |||
| 3905 | root_thread->th.th_cons = __kmp_allocate_cons_stack(gtid); | |||
| 3906 | } | |||
| 3907 | #if USE_FAST_MEMORY3 | |||
| 3908 | __kmp_initialize_fast_memory(root_thread); | |||
| 3909 | #endif /* USE_FAST_MEMORY */ | |||
| 3910 | ||||
| 3911 | #if KMP_USE_BGET1 | |||
| 3912 | KMP_DEBUG_ASSERT(root_thread->th.th_local.bget_data == NULL)if (!(root_thread->th.th_local.bget_data == __null)) { __kmp_debug_assert ("root_thread->th.th_local.bget_data == __null", "openmp/runtime/src/kmp_runtime.cpp" , 3912); }; | |||
| 3913 | __kmp_initialize_bget(root_thread); | |||
| 3914 | #endif | |||
| 3915 | __kmp_init_random(root_thread); // Initialize random number generator | |||
| 3916 | } | |||
| 3917 | ||||
| 3918 | /* setup the serial team held in reserve by the root thread */ | |||
| 3919 | if (!root_thread->th.th_serial_team) { | |||
| 3920 | kmp_internal_control_t r_icvs = __kmp_get_global_icvs(); | |||
| 3921 | 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" ); }; | |||
| 3922 | root_thread->th.th_serial_team = __kmp_allocate_team( | |||
| 3923 | root, 1, 1, | |||
| 3924 | #if OMPT_SUPPORT1 | |||
| 3925 | ompt_data_none{0}, // root parallel id | |||
| 3926 | #endif | |||
| 3927 | proc_bind_default, &r_icvs, 0 USE_NESTED_HOT_ARG(NULL), __null); | |||
| 3928 | } | |||
| 3929 | KMP_ASSERT(root_thread->th.th_serial_team)if (!(root_thread->th.th_serial_team)) { __kmp_debug_assert ("root_thread->th.th_serial_team", "openmp/runtime/src/kmp_runtime.cpp" , 3929); }; | |||
| 3930 | 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); } | |||
| 3931 | 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); }; | |||
| 3932 | ||||
| 3933 | /* drop root_thread into place */ | |||
| 3934 | TCW_SYNC_PTR(__kmp_threads[gtid], root_thread)((__kmp_threads[gtid])) = ((root_thread)); | |||
| 3935 | ||||
| 3936 | root->r.r_root_team->t.t_threads[0] = root_thread; | |||
| 3937 | root->r.r_hot_team->t.t_threads[0] = root_thread; | |||
| 3938 | root_thread->th.th_serial_team->t.t_threads[0] = root_thread; | |||
| 3939 | // AC: the team created in reserve, not for execution (it is unused for now). | |||
| 3940 | root_thread->th.th_serial_team->t.t_serialized = 0; | |||
| 3941 | root->r.r_uber_thread = root_thread; | |||
| 3942 | ||||
| 3943 | /* initialize the thread, get it ready to go */ | |||
| 3944 | __kmp_initialize_info(root_thread, root->r.r_root_team, 0, gtid); | |||
| 3945 | TCW_4(__kmp_init_gtid, TRUE)(__kmp_init_gtid) = ((!0)); | |||
| 3946 | ||||
| 3947 | /* prepare the primary thread for get_gtid() */ | |||
| 3948 | __kmp_gtid_set_specific(gtid); | |||
| 3949 | ||||
| 3950 | #if USE_ITT_BUILD1 | |||
| 3951 | __kmp_itt_thread_name(gtid); | |||
| 3952 | #endif /* USE_ITT_BUILD */ | |||
| 3953 | ||||
| 3954 | #ifdef KMP_TDATA_GTID1 | |||
| 3955 | __kmp_gtid = gtid; | |||
| 3956 | #endif | |||
| 3957 | __kmp_create_worker(gtid, root_thread, __kmp_stksize); | |||
| 3958 | KMP_DEBUG_ASSERT(__kmp_gtid_get_specific() == gtid)if (!(__kmp_gtid_get_specific() == gtid)) { __kmp_debug_assert ("__kmp_gtid_get_specific() == gtid", "openmp/runtime/src/kmp_runtime.cpp" , 3958); }; | |||
| 3959 | ||||
| 3960 | 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, __kmp_gtid_from_tid(0, root->r.r_hot_team ), root->r.r_hot_team->t.t_id, 0, 0, 0); } | |||
| 3961 | "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, __kmp_gtid_from_tid(0, root->r.r_hot_team ), root->r.r_hot_team->t.t_id, 0, 0, 0); } | |||
| 3962 | 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, __kmp_gtid_from_tid(0, root->r.r_hot_team ), root->r.r_hot_team->t.t_id, 0, 0, 0); } | |||
| 3963 | 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, __kmp_gtid_from_tid(0, root->r.r_hot_team ), root->r.r_hot_team->t.t_id, 0, 0, 0); } | |||
| 3964 | 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, __kmp_gtid_from_tid(0, root->r.r_hot_team ), root->r.r_hot_team->t.t_id, 0, 0, 0); }; | |||
| 3965 | { // Initialize barrier data. | |||
| 3966 | int b; | |||
| 3967 | for (b = 0; b < bs_last_barrier; ++b) { | |||
| 3968 | root_thread->th.th_bar[b].bb.b_arrived = KMP_INIT_BARRIER_STATE0; | |||
| 3969 | #if USE_DEBUGGER0 | |||
| 3970 | root_thread->th.th_bar[b].bb.b_worker_arrived = 0; | |||
| 3971 | #endif | |||
| 3972 | } | |||
| 3973 | } | |||
| 3974 | KMP_DEBUG_ASSERT(root->r.r_hot_team->t.t_bar[bs_forkjoin_barrier].b_arrived ==if (!(root->r.r_hot_team->t.t_bar[bs_forkjoin_barrier]. b_arrived == 0)) { __kmp_debug_assert("root->r.r_hot_team->t.t_bar[bs_forkjoin_barrier].b_arrived == 0" , "openmp/runtime/src/kmp_runtime.cpp", 3975); } | |||
| 3975 | KMP_INIT_BARRIER_STATE)if (!(root->r.r_hot_team->t.t_bar[bs_forkjoin_barrier]. b_arrived == 0)) { __kmp_debug_assert("root->r.r_hot_team->t.t_bar[bs_forkjoin_barrier].b_arrived == 0" , "openmp/runtime/src/kmp_runtime.cpp", 3975); }; | |||
| 3976 | ||||
| 3977 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 3978 | root_thread->th.th_current_place = KMP_PLACE_UNDEFINED(-2); | |||
| 3979 | root_thread->th.th_new_place = KMP_PLACE_UNDEFINED(-2); | |||
| 3980 | root_thread->th.th_first_place = KMP_PLACE_UNDEFINED(-2); | |||
| 3981 | root_thread->th.th_last_place = KMP_PLACE_UNDEFINED(-2); | |||
| 3982 | #endif /* KMP_AFFINITY_SUPPORTED */ | |||
| 3983 | root_thread->th.th_def_allocator = __kmp_def_allocator; | |||
| 3984 | root_thread->th.th_prev_level = 0; | |||
| 3985 | root_thread->th.th_prev_num_threads = 1; | |||
| 3986 | ||||
| 3987 | kmp_cg_root_t *tmp = (kmp_cg_root_t *)__kmp_allocate(sizeof(kmp_cg_root_t))___kmp_allocate((sizeof(kmp_cg_root_t)), "openmp/runtime/src/kmp_runtime.cpp" , 3987); | |||
| 3988 | tmp->cg_root = root_thread; | |||
| 3989 | tmp->cg_thread_limit = __kmp_cg_max_nth; | |||
| 3990 | tmp->cg_nthreads = 1; | |||
| 3991 | KA_TRACE(100, ("__kmp_register_root: Thread %p created node %p with"if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_register_root: Thread %p created node %p with" " cg_nthreads init to 1\n", root_thread, tmp); } | |||
| 3992 | " cg_nthreads init to 1\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_register_root: Thread %p created node %p with" " cg_nthreads init to 1\n", root_thread, tmp); } | |||
| 3993 | root_thread, tmp))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_register_root: Thread %p created node %p with" " cg_nthreads init to 1\n", root_thread, tmp); }; | |||
| 3994 | tmp->up = NULL__null; | |||
| 3995 | root_thread->th.th_cg_roots = tmp; | |||
| 3996 | ||||
| 3997 | __kmp_root_counter++; | |||
| 3998 | ||||
| 3999 | #if OMPT_SUPPORT1 | |||
| 4000 | if (!initial_thread && ompt_enabled.enabled) { | |||
| 4001 | ||||
| 4002 | kmp_info_t *root_thread = ompt_get_thread(); | |||
| 4003 | ||||
| 4004 | ompt_set_thread_state(root_thread, ompt_state_overhead); | |||
| 4005 | ||||
| 4006 | if (ompt_enabled.ompt_callback_thread_begin) { | |||
| 4007 | ompt_callbacks.ompt_callback(ompt_callback_thread_begin)ompt_callback_thread_begin_callback( | |||
| 4008 | ompt_thread_initial, __ompt_get_thread_data_internal()); | |||
| 4009 | } | |||
| 4010 | ompt_data_t *task_data; | |||
| 4011 | ompt_data_t *parallel_data; | |||
| 4012 | __ompt_get_task_info_internal(0, NULL__null, &task_data, NULL__null, ¶llel_data, | |||
| 4013 | NULL__null); | |||
| 4014 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 4015 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 4016 | ompt_scope_begin, parallel_data, task_data, 1, 1, ompt_task_initial); | |||
| 4017 | } | |||
| 4018 | ||||
| 4019 | ompt_set_thread_state(root_thread, ompt_state_work_serial); | |||
| 4020 | } | |||
| 4021 | #endif | |||
| 4022 | #if OMPD_SUPPORT1 | |||
| 4023 | if (ompd_state & OMPD_ENABLE_BP0x1) | |||
| 4024 | ompd_bp_thread_begin(); | |||
| 4025 | #endif | |||
| 4026 | ||||
| 4027 | KMP_MB(); | |||
| 4028 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 4029 | ||||
| 4030 | return gtid; | |||
| 4031 | } | |||
| 4032 | ||||
| 4033 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 4034 | static int __kmp_free_hot_teams(kmp_root_t *root, kmp_info_t *thr, int level, | |||
| 4035 | const int max_level) { | |||
| 4036 | int i, n, nth; | |||
| 4037 | kmp_hot_team_ptr_t *hot_teams = thr->th.th_hot_teams; | |||
| 4038 | if (!hot_teams || !hot_teams[level].hot_team) { | |||
| 4039 | return 0; | |||
| 4040 | } | |||
| 4041 | KMP_DEBUG_ASSERT(level < max_level)if (!(level < max_level)) { __kmp_debug_assert("level < max_level" , "openmp/runtime/src/kmp_runtime.cpp", 4041); }; | |||
| 4042 | kmp_team_t *team = hot_teams[level].hot_team; | |||
| 4043 | nth = hot_teams[level].hot_team_nth; | |||
| 4044 | n = nth - 1; // primary thread is not freed | |||
| 4045 | if (level < max_level - 1) { | |||
| 4046 | for (i = 0; i < nth; ++i) { | |||
| 4047 | kmp_info_t *th = team->t.t_threads[i]; | |||
| 4048 | n += __kmp_free_hot_teams(root, th, level + 1, max_level); | |||
| 4049 | if (i > 0 && th->th.th_hot_teams) { | |||
| 4050 | __kmp_free(th->th.th_hot_teams)___kmp_free((th->th.th_hot_teams), "openmp/runtime/src/kmp_runtime.cpp" , 4050); | |||
| 4051 | th->th.th_hot_teams = NULL__null; | |||
| 4052 | } | |||
| 4053 | } | |||
| 4054 | } | |||
| 4055 | __kmp_free_team(root, team, NULL__null); | |||
| 4056 | return n; | |||
| 4057 | } | |||
| 4058 | #endif | |||
| 4059 | ||||
| 4060 | // Resets a root thread and clear its root and hot teams. | |||
| 4061 | // Returns the number of __kmp_threads entries directly and indirectly freed. | |||
| 4062 | static int __kmp_reset_root(int gtid, kmp_root_t *root) { | |||
| 4063 | kmp_team_t *root_team = root->r.r_root_team; | |||
| 4064 | kmp_team_t *hot_team = root->r.r_hot_team; | |||
| 4065 | int n = hot_team->t.t_nproc; | |||
| 4066 | int i; | |||
| 4067 | ||||
| 4068 | KMP_DEBUG_ASSERT(!root->r.r_active)if (!(!root->r.r_active)) { __kmp_debug_assert("!root->r.r_active" , "openmp/runtime/src/kmp_runtime.cpp", 4068); }; | |||
| 4069 | ||||
| 4070 | root->r.r_root_team = NULL__null; | |||
| 4071 | root->r.r_hot_team = NULL__null; | |||
| 4072 | // __kmp_free_team() does not free hot teams, so we have to clear r_hot_team | |||
| 4073 | // before call to __kmp_free_team(). | |||
| 4074 | __kmp_free_team(root, root_team USE_NESTED_HOT_ARG(NULL), __null); | |||
| 4075 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 4076 | if (__kmp_hot_teams_max_level > | |||
| 4077 | 0) { // need to free nested hot teams and their threads if any | |||
| 4078 | for (i = 0; i < hot_team->t.t_nproc; ++i) { | |||
| 4079 | kmp_info_t *th = hot_team->t.t_threads[i]; | |||
| 4080 | if (__kmp_hot_teams_max_level > 1) { | |||
| 4081 | n += __kmp_free_hot_teams(root, th, 1, __kmp_hot_teams_max_level); | |||
| 4082 | } | |||
| 4083 | if (th->th.th_hot_teams) { | |||
| 4084 | __kmp_free(th->th.th_hot_teams)___kmp_free((th->th.th_hot_teams), "openmp/runtime/src/kmp_runtime.cpp" , 4084); | |||
| 4085 | th->th.th_hot_teams = NULL__null; | |||
| 4086 | } | |||
| 4087 | } | |||
| 4088 | } | |||
| 4089 | #endif | |||
| 4090 | __kmp_free_team(root, hot_team USE_NESTED_HOT_ARG(NULL), __null); | |||
| 4091 | ||||
| 4092 | // Before we can reap the thread, we need to make certain that all other | |||
| 4093 | // threads in the teams that had this root as ancestor have stopped trying to | |||
| 4094 | // steal tasks. | |||
| 4095 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||
| 4096 | __kmp_wait_to_unref_task_teams(); | |||
| 4097 | } | |||
| 4098 | ||||
| 4099 | #if KMP_OS_WINDOWS0 | |||
| 4100 | /* Close Handle of root duplicated in __kmp_create_worker (tr #62919) */ | |||
| 4101 | 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); } | |||
| 4102 | 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); } | |||
| 4103 | "\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); } | |||
| 4104 | (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); } | |||
| 4105 | 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); }; | |||
| 4106 | __kmp_free_handle(root->r.r_uber_thread->th.th_info.ds.ds_thread); | |||
| 4107 | #endif /* KMP_OS_WINDOWS */ | |||
| 4108 | ||||
| 4109 | #if OMPD_SUPPORT1 | |||
| 4110 | if (ompd_state & OMPD_ENABLE_BP0x1) | |||
| 4111 | ompd_bp_thread_end(); | |||
| 4112 | #endif | |||
| 4113 | ||||
| 4114 | #if OMPT_SUPPORT1 | |||
| 4115 | ompt_data_t *task_data; | |||
| 4116 | ompt_data_t *parallel_data; | |||
| 4117 | __ompt_get_task_info_internal(0, NULL__null, &task_data, NULL__null, ¶llel_data, | |||
| 4118 | NULL__null); | |||
| 4119 | if (ompt_enabled.ompt_callback_implicit_task) { | |||
| 4120 | ompt_callbacks.ompt_callback(ompt_callback_implicit_task)ompt_callback_implicit_task_callback( | |||
| 4121 | ompt_scope_end, parallel_data, task_data, 0, 1, ompt_task_initial); | |||
| 4122 | } | |||
| 4123 | if (ompt_enabled.ompt_callback_thread_end) { | |||
| 4124 | ompt_callbacks.ompt_callback(ompt_callback_thread_end)ompt_callback_thread_end_callback( | |||
| 4125 | &(root->r.r_uber_thread->th.ompt_thread_info.thread_data)); | |||
| 4126 | } | |||
| 4127 | #endif | |||
| 4128 | ||||
| 4129 | TCW_4(__kmp_nth,(__kmp_nth) = (__kmp_nth - 1) | |||
| 4130 | __kmp_nth - 1)(__kmp_nth) = (__kmp_nth - 1); // __kmp_reap_thread will decrement __kmp_all_nth. | |||
| 4131 | i = root->r.r_uber_thread->th.th_cg_roots->cg_nthreads--; | |||
| 4132 | KA_TRACE(100, ("__kmp_reset_root: Thread %p decrement cg_nthreads on node %p"if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_reset_root: Thread %p decrement cg_nthreads on node %p" " to %d\n", root->r.r_uber_thread, root->r.r_uber_thread ->th.th_cg_roots, root->r.r_uber_thread->th.th_cg_roots ->cg_nthreads); } | |||
| 4133 | " to %d\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_reset_root: Thread %p decrement cg_nthreads on node %p" " to %d\n", root->r.r_uber_thread, root->r.r_uber_thread ->th.th_cg_roots, root->r.r_uber_thread->th.th_cg_roots ->cg_nthreads); } | |||
| 4134 | root->r.r_uber_thread, root->r.r_uber_thread->th.th_cg_roots,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_reset_root: Thread %p decrement cg_nthreads on node %p" " to %d\n", root->r.r_uber_thread, root->r.r_uber_thread ->th.th_cg_roots, root->r.r_uber_thread->th.th_cg_roots ->cg_nthreads); } | |||
| 4135 | root->r.r_uber_thread->th.th_cg_roots->cg_nthreads))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_reset_root: Thread %p decrement cg_nthreads on node %p" " to %d\n", root->r.r_uber_thread, root->r.r_uber_thread ->th.th_cg_roots, root->r.r_uber_thread->th.th_cg_roots ->cg_nthreads); }; | |||
| 4136 | if (i == 1) { | |||
| 4137 | // need to free contention group structure | |||
| 4138 | KMP_DEBUG_ASSERT(root->r.r_uber_thread ==if (!(root->r.r_uber_thread == root->r.r_uber_thread-> th.th_cg_roots->cg_root)) { __kmp_debug_assert("root->r.r_uber_thread == root->r.r_uber_thread->th.th_cg_roots->cg_root" , "openmp/runtime/src/kmp_runtime.cpp", 4139); } | |||
| 4139 | root->r.r_uber_thread->th.th_cg_roots->cg_root)if (!(root->r.r_uber_thread == root->r.r_uber_thread-> th.th_cg_roots->cg_root)) { __kmp_debug_assert("root->r.r_uber_thread == root->r.r_uber_thread->th.th_cg_roots->cg_root" , "openmp/runtime/src/kmp_runtime.cpp", 4139); }; | |||
| 4140 | KMP_DEBUG_ASSERT(root->r.r_uber_thread->th.th_cg_roots->up == NULL)if (!(root->r.r_uber_thread->th.th_cg_roots->up == __null )) { __kmp_debug_assert("root->r.r_uber_thread->th.th_cg_roots->up == __null" , "openmp/runtime/src/kmp_runtime.cpp", 4140); }; | |||
| 4141 | __kmp_free(root->r.r_uber_thread->th.th_cg_roots)___kmp_free((root->r.r_uber_thread->th.th_cg_roots), "openmp/runtime/src/kmp_runtime.cpp" , 4141); | |||
| 4142 | root->r.r_uber_thread->th.th_cg_roots = NULL__null; | |||
| 4143 | } | |||
| 4144 | __kmp_reap_thread(root->r.r_uber_thread, 1); | |||
| 4145 | ||||
| 4146 | // We canot put root thread to __kmp_thread_pool, so we have to reap it | |||
| 4147 | // instead of freeing. | |||
| 4148 | root->r.r_uber_thread = NULL__null; | |||
| 4149 | /* mark root as no longer in use */ | |||
| 4150 | root->r.r_begin = FALSE0; | |||
| 4151 | ||||
| 4152 | return n; | |||
| 4153 | } | |||
| 4154 | ||||
| 4155 | void __kmp_unregister_root_current_thread(int gtid) { | |||
| 4156 | 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); }; | |||
| 4157 | /* this lock should be ok, since unregister_root_current_thread is never | |||
| 4158 | called during an abort, only during a normal close. furthermore, if you | |||
| 4159 | have the forkjoin lock, you should never try to get the initz lock */ | |||
| 4160 | __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 4161 | if (TCR_4(__kmp_global.g.g_done)(__kmp_global.g.g_done) || !__kmp_init_serial) { | |||
| 4162 | 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); } | |||
| 4163 | "exiting T#%d\n",if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_current_thread: already finished, " "exiting T#%d\n", gtid); } | |||
| 4164 | gtid))if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_current_thread: already finished, " "exiting T#%d\n", gtid); }; | |||
| 4165 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 4166 | return; | |||
| 4167 | } | |||
| 4168 | kmp_root_t *root = __kmp_root[gtid]; | |||
| 4169 | ||||
| 4170 | KMP_DEBUG_ASSERT(__kmp_threads && __kmp_threads[gtid])if (!(__kmp_threads && __kmp_threads[gtid])) { __kmp_debug_assert ("__kmp_threads && __kmp_threads[gtid]", "openmp/runtime/src/kmp_runtime.cpp" , 4170); }; | |||
| 4171 | KMP_ASSERT(KMP_UBER_GTID(gtid))if (!(KMP_UBER_GTID(gtid))) { __kmp_debug_assert("KMP_UBER_GTID(gtid)" , "openmp/runtime/src/kmp_runtime.cpp", 4171); }; | |||
| 4172 | KMP_ASSERT(root == __kmp_threads[gtid]->th.th_root)if (!(root == __kmp_threads[gtid]->th.th_root)) { __kmp_debug_assert ("root == __kmp_threads[gtid]->th.th_root", "openmp/runtime/src/kmp_runtime.cpp" , 4172); }; | |||
| 4173 | KMP_ASSERT(root->r.r_active == FALSE)if (!(root->r.r_active == 0)) { __kmp_debug_assert("root->r.r_active == FALSE" , "openmp/runtime/src/kmp_runtime.cpp", 4173); }; | |||
| 4174 | ||||
| 4175 | KMP_MB(); | |||
| 4176 | ||||
| 4177 | kmp_info_t *thread = __kmp_threads[gtid]; | |||
| 4178 | kmp_team_t *team = thread->th.th_team; | |||
| 4179 | kmp_task_team_t *task_team = thread->th.th_task_team; | |||
| 4180 | ||||
| 4181 | // we need to wait for the proxy tasks before finishing the thread | |||
| 4182 | if (task_team != NULL__null && (task_team->tt.tt_found_proxy_tasks || | |||
| 4183 | task_team->tt.tt_hidden_helper_task_encountered)) { | |||
| 4184 | #if OMPT_SUPPORT1 | |||
| 4185 | // the runtime is shutting down so we won't report any events | |||
| 4186 | thread->th.ompt_thread_info.state = ompt_state_undefined; | |||
| 4187 | #endif | |||
| 4188 | __kmp_task_team_wait(thread, team USE_ITT_BUILD_ARG(NULL), __null); | |||
| 4189 | } | |||
| 4190 | ||||
| 4191 | __kmp_reset_root(gtid, root); | |||
| 4192 | ||||
| 4193 | KMP_MB(); | |||
| 4194 | KC_TRACE(10,if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_current_thread: T#%d unregistered\n" , gtid); } | |||
| 4195 | ("__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); }; | |||
| 4196 | ||||
| 4197 | __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock); | |||
| 4198 | } | |||
| 4199 | ||||
| 4200 | #if KMP_OS_WINDOWS0 | |||
| 4201 | /* __kmp_forkjoin_lock must be already held | |||
| 4202 | Unregisters a root thread that is not the current thread. Returns the number | |||
| 4203 | of __kmp_threads entries freed as a result. */ | |||
| 4204 | static int __kmp_unregister_root_other_thread(int gtid) { | |||
| 4205 | kmp_root_t *root = __kmp_root[gtid]; | |||
| 4206 | int r; | |||
| 4207 | ||||
| 4208 | 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); }; | |||
| 4209 | KMP_DEBUG_ASSERT(__kmp_threads && __kmp_threads[gtid])if (!(__kmp_threads && __kmp_threads[gtid])) { __kmp_debug_assert ("__kmp_threads && __kmp_threads[gtid]", "openmp/runtime/src/kmp_runtime.cpp" , 4209); }; | |||
| 4210 | KMP_ASSERT(KMP_UBER_GTID(gtid))if (!(KMP_UBER_GTID(gtid))) { __kmp_debug_assert("KMP_UBER_GTID(gtid)" , "openmp/runtime/src/kmp_runtime.cpp", 4210); }; | |||
| 4211 | KMP_ASSERT(root == __kmp_threads[gtid]->th.th_root)if (!(root == __kmp_threads[gtid]->th.th_root)) { __kmp_debug_assert ("root == __kmp_threads[gtid]->th.th_root", "openmp/runtime/src/kmp_runtime.cpp" , 4211); }; | |||
| 4212 | KMP_ASSERT(root->r.r_active == FALSE)if (!(root->r.r_active == 0)) { __kmp_debug_assert("root->r.r_active == FALSE" , "openmp/runtime/src/kmp_runtime.cpp", 4212); }; | |||
| 4213 | ||||
| 4214 | r = __kmp_reset_root(gtid, root); | |||
| 4215 | KC_TRACE(10,if (kmp_c_debug >= 10) { __kmp_debug_printf ("__kmp_unregister_root_other_thread: T#%d unregistered\n" , gtid); } | |||
| 4216 | ("__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); }; | |||
| 4217 | return r; | |||
| 4218 | } | |||
| 4219 | #endif | |||
| 4220 | ||||
| 4221 | #if KMP_DEBUG1 | |||
| 4222 | void __kmp_task_info() { | |||
| 4223 | ||||
| 4224 | kmp_int32 gtid = __kmp_entry_gtid()__kmp_get_global_thread_id_reg(); | |||
| 4225 | kmp_int32 tid = __kmp_tid_from_gtid(gtid); | |||
| 4226 | kmp_info_t *this_thr = __kmp_threads[gtid]; | |||
| 4227 | kmp_team_t *steam = this_thr->th.th_serial_team; | |||
| 4228 | kmp_team_t *team = this_thr->th.th_team; | |||
| 4229 | ||||
| 4230 | __kmp_printf( | |||
| 4231 | "__kmp_task_info: gtid=%d tid=%d t_thread=%p team=%p steam=%p curtask=%p " | |||
| 4232 | "ptask=%p\n", | |||
| 4233 | gtid, tid, this_thr, team, steam, this_thr->th.th_current_task, | |||
| 4234 | team->t.t_implicit_task_taskdata[tid].td_parent); | |||
| 4235 | } | |||
| 4236 | #endif // KMP_DEBUG | |||
| 4237 | ||||
| 4238 | /* TODO optimize with one big memclr, take out what isn't needed, split | |||
| 4239 | responsibility to workers as much as possible, and delay initialization of | |||
| 4240 | features as much as possible */ | |||
| 4241 | static void __kmp_initialize_info(kmp_info_t *this_thr, kmp_team_t *team, | |||
| 4242 | int tid, int gtid) { | |||
| 4243 | /* this_thr->th.th_info.ds.ds_gtid is setup in | |||
| 4244 | kmp_allocate_thread/create_worker. | |||
| 4245 | this_thr->th.th_serial_team is setup in __kmp_allocate_thread */ | |||
| 4246 | KMP_DEBUG_ASSERT(this_thr != NULL)if (!(this_thr != __null)) { __kmp_debug_assert("this_thr != __null" , "openmp/runtime/src/kmp_runtime.cpp", 4246); }; | |||
| 4247 | KMP_DEBUG_ASSERT(this_thr->th.th_serial_team)if (!(this_thr->th.th_serial_team)) { __kmp_debug_assert("this_thr->th.th_serial_team" , "openmp/runtime/src/kmp_runtime.cpp", 4247); }; | |||
| 4248 | KMP_DEBUG_ASSERT(team)if (!(team)) { __kmp_debug_assert("team", "openmp/runtime/src/kmp_runtime.cpp" , 4248); }; | |||
| 4249 | KMP_DEBUG_ASSERT(team->t.t_threads)if (!(team->t.t_threads)) { __kmp_debug_assert("team->t.t_threads" , "openmp/runtime/src/kmp_runtime.cpp", 4249); }; | |||
| 4250 | KMP_DEBUG_ASSERT(team->t.t_dispatch)if (!(team->t.t_dispatch)) { __kmp_debug_assert("team->t.t_dispatch" , "openmp/runtime/src/kmp_runtime.cpp", 4250); }; | |||
| 4251 | kmp_info_t *master = team->t.t_threads[0]; | |||
| 4252 | KMP_DEBUG_ASSERT(master)if (!(master)) { __kmp_debug_assert("master", "openmp/runtime/src/kmp_runtime.cpp" , 4252); }; | |||
| 4253 | KMP_DEBUG_ASSERT(master->th.th_root)if (!(master->th.th_root)) { __kmp_debug_assert("master->th.th_root" , "openmp/runtime/src/kmp_runtime.cpp", 4253); }; | |||
| 4254 | ||||
| 4255 | KMP_MB(); | |||
| 4256 | ||||
| 4257 | TCW_SYNC_PTR(this_thr->th.th_team, team)((this_thr->th.th_team)) = ((team)); | |||
| 4258 | ||||
| 4259 | this_thr->th.th_info.ds.ds_tid = tid; | |||
| 4260 | this_thr->th.th_set_nproc = 0; | |||
| 4261 | if (__kmp_tasking_mode != tskm_immediate_exec) | |||
| 4262 | // When tasking is possible, threads are not safe to reap until they are | |||
| 4263 | // done tasking; this will be set when tasking code is exited in wait | |||
| 4264 | this_thr->th.th_reap_state = KMP_NOT_SAFE_TO_REAP0; | |||
| 4265 | else // no tasking --> always safe to reap | |||
| 4266 | this_thr->th.th_reap_state = KMP_SAFE_TO_REAP1; | |||
| 4267 | this_thr->th.th_set_proc_bind = proc_bind_default; | |||
| 4268 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 4269 | this_thr->th.th_new_place = this_thr->th.th_current_place; | |||
| 4270 | #endif | |||
| 4271 | this_thr->th.th_root = master->th.th_root; | |||
| 4272 | ||||
| 4273 | /* setup the thread's cache of the team structure */ | |||
| 4274 | this_thr->th.th_team_nproc = team->t.t_nproc; | |||
| 4275 | this_thr->th.th_team_master = master; | |||
| 4276 | this_thr->th.th_team_serialized = team->t.t_serialized; | |||
| 4277 | ||||
| 4278 | KMP_DEBUG_ASSERT(team->t.t_implicit_task_taskdata)if (!(team->t.t_implicit_task_taskdata)) { __kmp_debug_assert ("team->t.t_implicit_task_taskdata", "openmp/runtime/src/kmp_runtime.cpp" , 4278); }; | |||
| 4279 | ||||
| 4280 | 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); } | |||
| 4281 | 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); }; | |||
| 4282 | ||||
| 4283 | __kmp_init_implicit_task(this_thr->th.th_team_master->th.th_ident, this_thr, | |||
| 4284 | team, tid, TRUE(!0)); | |||
| 4285 | ||||
| 4286 | 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); } | |||
| 4287 | 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); }; | |||
| 4288 | // TODO: Initialize ICVs from parent; GEH - isn't that already done in | |||
| 4289 | // __kmp_initialize_team()? | |||
| 4290 | ||||
| 4291 | /* TODO no worksharing in speculative threads */ | |||
| 4292 | this_thr->th.th_dispatch = &team->t.t_dispatch[tid]; | |||
| 4293 | ||||
| 4294 | this_thr->th.th_local.this_construct = 0; | |||
| 4295 | ||||
| 4296 | if (!this_thr->th.th_pri_common) { | |||
| 4297 | this_thr->th.th_pri_common = | |||
| 4298 | (struct common_table *)__kmp_allocate(sizeof(struct common_table))___kmp_allocate((sizeof(struct common_table)), "openmp/runtime/src/kmp_runtime.cpp" , 4298); | |||
| 4299 | if (__kmp_storage_map) { | |||
| 4300 | __kmp_print_storage_map_gtid( | |||
| 4301 | gtid, this_thr->th.th_pri_common, this_thr->th.th_pri_common + 1, | |||
| 4302 | sizeof(struct common_table), "th_%d.th_pri_common\n", gtid); | |||
| 4303 | } | |||
| 4304 | this_thr->th.th_pri_head = NULL__null; | |||
| 4305 | } | |||
| 4306 | ||||
| 4307 | if (this_thr != master && // Primary thread's CG root is initialized elsewhere | |||
| 4308 | this_thr->th.th_cg_roots != master->th.th_cg_roots) { // CG root not set | |||
| 4309 | // Make new thread's CG root same as primary thread's | |||
| 4310 | KMP_DEBUG_ASSERT(master->th.th_cg_roots)if (!(master->th.th_cg_roots)) { __kmp_debug_assert("master->th.th_cg_roots" , "openmp/runtime/src/kmp_runtime.cpp", 4310); }; | |||
| 4311 | kmp_cg_root_t *tmp = this_thr->th.th_cg_roots; | |||
| 4312 | if (tmp) { | |||
| 4313 | // worker changes CG, need to check if old CG should be freed | |||
| 4314 | int i = tmp->cg_nthreads--; | |||
| 4315 | KA_TRACE(100, ("__kmp_initialize_info: Thread %p decrement cg_nthreads"if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_initialize_info: Thread %p decrement cg_nthreads" " on node %p of thread %p to %d\n", this_thr, tmp, tmp->cg_root , tmp->cg_nthreads); } | |||
| 4316 | " on node %p of thread %p to %d\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_initialize_info: Thread %p decrement cg_nthreads" " on node %p of thread %p to %d\n", this_thr, tmp, tmp->cg_root , tmp->cg_nthreads); } | |||
| 4317 | this_thr, tmp, tmp->cg_root, tmp->cg_nthreads))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_initialize_info: Thread %p decrement cg_nthreads" " on node %p of thread %p to %d\n", this_thr, tmp, tmp->cg_root , tmp->cg_nthreads); }; | |||
| 4318 | if (i == 1) { | |||
| 4319 | __kmp_free(tmp)___kmp_free((tmp), "openmp/runtime/src/kmp_runtime.cpp", 4319 ); // last thread left CG --> free it | |||
| 4320 | } | |||
| 4321 | } | |||
| 4322 | this_thr->th.th_cg_roots = master->th.th_cg_roots; | |||
| 4323 | // Increment new thread's CG root's counter to add the new thread | |||
| 4324 | this_thr->th.th_cg_roots->cg_nthreads++; | |||
| 4325 | KA_TRACE(100, ("__kmp_initialize_info: Thread %p increment cg_nthreads on"if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_initialize_info: Thread %p increment cg_nthreads on" " node %p of thread %p to %d\n", this_thr, this_thr->th.th_cg_roots , this_thr->th.th_cg_roots->cg_root, this_thr->th.th_cg_roots ->cg_nthreads); } | |||
| 4326 | " node %p of thread %p to %d\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_initialize_info: Thread %p increment cg_nthreads on" " node %p of thread %p to %d\n", this_thr, this_thr->th.th_cg_roots , this_thr->th.th_cg_roots->cg_root, this_thr->th.th_cg_roots ->cg_nthreads); } | |||
| 4327 | this_thr, this_thr->th.th_cg_roots,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_initialize_info: Thread %p increment cg_nthreads on" " node %p of thread %p to %d\n", this_thr, this_thr->th.th_cg_roots , this_thr->th.th_cg_roots->cg_root, this_thr->th.th_cg_roots ->cg_nthreads); } | |||
| 4328 | this_thr->th.th_cg_roots->cg_root,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_initialize_info: Thread %p increment cg_nthreads on" " node %p of thread %p to %d\n", this_thr, this_thr->th.th_cg_roots , this_thr->th.th_cg_roots->cg_root, this_thr->th.th_cg_roots ->cg_nthreads); } | |||
| 4329 | this_thr->th.th_cg_roots->cg_nthreads))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_initialize_info: Thread %p increment cg_nthreads on" " node %p of thread %p to %d\n", this_thr, this_thr->th.th_cg_roots , this_thr->th.th_cg_roots->cg_root, this_thr->th.th_cg_roots ->cg_nthreads); }; | |||
| 4330 | this_thr->th.th_current_task->td_icvs.thread_limit = | |||
| 4331 | this_thr->th.th_cg_roots->cg_thread_limit; | |||
| 4332 | } | |||
| 4333 | ||||
| 4334 | /* Initialize dynamic dispatch */ | |||
| 4335 | { | |||
| 4336 | volatile kmp_disp_t *dispatch = this_thr->th.th_dispatch; | |||
| 4337 | // Use team max_nproc since this will never change for the team. | |||
| 4338 | size_t disp_size = | |||
| 4339 | sizeof(dispatch_private_info_t) * | |||
| 4340 | (team->t.t_max_nproc == 1 ? 1 : __kmp_dispatch_num_buffers); | |||
| 4341 | 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); } | |||
| 4342 | 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); }; | |||
| 4343 | KMP_ASSERT(dispatch)if (!(dispatch)) { __kmp_debug_assert("dispatch", "openmp/runtime/src/kmp_runtime.cpp" , 4343); }; | |||
| 4344 | KMP_DEBUG_ASSERT(team->t.t_dispatch)if (!(team->t.t_dispatch)) { __kmp_debug_assert("team->t.t_dispatch" , "openmp/runtime/src/kmp_runtime.cpp", 4344); }; | |||
| 4345 | KMP_DEBUG_ASSERT(dispatch == &team->t.t_dispatch[tid])if (!(dispatch == &team->t.t_dispatch[tid])) { __kmp_debug_assert ("dispatch == &team->t.t_dispatch[tid]", "openmp/runtime/src/kmp_runtime.cpp" , 4345); }; | |||
| 4346 | ||||
| 4347 | dispatch->th_disp_index = 0; | |||
| 4348 | dispatch->th_doacross_buf_idx = 0; | |||
| 4349 | if (!dispatch->th_disp_buffer) { | |||
| 4350 | dispatch->th_disp_buffer = | |||
| 4351 | (dispatch_private_info_t *)__kmp_allocate(disp_size)___kmp_allocate((disp_size), "openmp/runtime/src/kmp_runtime.cpp" , 4351); | |||
| 4352 | ||||
| 4353 | if (__kmp_storage_map) { | |||
| 4354 | __kmp_print_storage_map_gtid( | |||
| 4355 | gtid, &dispatch->th_disp_buffer[0], | |||
| 4356 | &dispatch->th_disp_buffer[team->t.t_max_nproc == 1 | |||
| 4357 | ? 1 | |||
| 4358 | : __kmp_dispatch_num_buffers], | |||
| 4359 | disp_size, | |||
| 4360 | "th_%d.th_dispatch.th_disp_buffer " | |||
| 4361 | "(team_%d.t_dispatch[%d].th_disp_buffer)", | |||
| 4362 | gtid, team->t.t_id, gtid); | |||
| 4363 | } | |||
| 4364 | } else { | |||
| 4365 | memset(&dispatch->th_disp_buffer[0], '\0', disp_size); | |||
| 4366 | } | |||
| 4367 | ||||
| 4368 | dispatch->th_dispatch_pr_current = 0; | |||
| 4369 | dispatch->th_dispatch_sh_current = 0; | |||
| 4370 | ||||
| 4371 | dispatch->th_deo_fcn = 0; /* ORDERED */ | |||
| 4372 | dispatch->th_dxo_fcn = 0; /* END ORDERED */ | |||
| 4373 | } | |||
| 4374 | ||||
| 4375 | this_thr->th.th_next_pool = NULL__null; | |||
| 4376 | ||||
| 4377 | if (!this_thr->th.th_task_state_memo_stack) { | |||
| 4378 | size_t i; | |||
| 4379 | this_thr->th.th_task_state_memo_stack = | |||
| 4380 | (kmp_uint8 *)__kmp_allocate(4 * sizeof(kmp_uint8))___kmp_allocate((4 * sizeof(kmp_uint8)), "openmp/runtime/src/kmp_runtime.cpp" , 4380); | |||
| 4381 | this_thr->th.th_task_state_top = 0; | |||
| 4382 | this_thr->th.th_task_state_stack_sz = 4; | |||
| 4383 | for (i = 0; i < this_thr->th.th_task_state_stack_sz; | |||
| 4384 | ++i) // zero init the stack | |||
| 4385 | this_thr->th.th_task_state_memo_stack[i] = 0; | |||
| 4386 | } | |||
| 4387 | ||||
| 4388 | KMP_DEBUG_ASSERT(!this_thr->th.th_spin_here)if (!(!this_thr->th.th_spin_here)) { __kmp_debug_assert("!this_thr->th.th_spin_here" , "openmp/runtime/src/kmp_runtime.cpp", 4388); }; | |||
| 4389 | KMP_DEBUG_ASSERT(this_thr->th.th_next_waiting == 0)if (!(this_thr->th.th_next_waiting == 0)) { __kmp_debug_assert ("this_thr->th.th_next_waiting == 0", "openmp/runtime/src/kmp_runtime.cpp" , 4389); }; | |||
| 4390 | ||||
| 4391 | KMP_MB(); | |||
| 4392 | } | |||
| 4393 | ||||
| 4394 | /* allocate a new thread for the requesting team. this is only called from | |||
| 4395 | within a forkjoin critical section. we will first try to get an available | |||
| 4396 | thread from the thread pool. if none is available, we will fork a new one | |||
| 4397 | assuming we are able to create a new one. this should be assured, as the | |||
| 4398 | caller should check on this first. */ | |||
| 4399 | kmp_info_t *__kmp_allocate_thread(kmp_root_t *root, kmp_team_t *team, | |||
| 4400 | int new_tid) { | |||
| 4401 | kmp_team_t *serial_team; | |||
| 4402 | kmp_info_t *new_thr; | |||
| 4403 | int new_gtid; | |||
| 4404 | ||||
| 4405 | 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()); }; | |||
| 4406 | KMP_DEBUG_ASSERT(root && team)if (!(root && team)) { __kmp_debug_assert("root && team" , "openmp/runtime/src/kmp_runtime.cpp", 4406); }; | |||
| 4407 | #if !KMP_NESTED_HOT_TEAMS1 | |||
| 4408 | KMP_DEBUG_ASSERT(KMP_MASTER_GTID(__kmp_get_gtid()))if (!((0 == __kmp_tid_from_gtid((__kmp_get_global_thread_id() ))))) { __kmp_debug_assert("(0 == __kmp_tid_from_gtid((__kmp_get_global_thread_id())))" , "openmp/runtime/src/kmp_runtime.cpp", 4408); }; | |||
| 4409 | #endif | |||
| 4410 | KMP_MB(); | |||
| 4411 | ||||
| 4412 | /* first, try to get one from the thread pool */ | |||
| 4413 | if (__kmp_thread_pool) { | |||
| 4414 | new_thr = CCAST(kmp_info_t *, __kmp_thread_pool)const_cast<kmp_info_t *>(__kmp_thread_pool); | |||
| 4415 | __kmp_thread_pool = (volatile kmp_info_t *)new_thr->th.th_next_pool; | |||
| 4416 | if (new_thr == __kmp_thread_pool_insert_pt) { | |||
| 4417 | __kmp_thread_pool_insert_pt = NULL__null; | |||
| 4418 | } | |||
| 4419 | TCW_4(new_thr->th.th_in_pool, FALSE)(new_thr->th.th_in_pool) = (0); | |||
| 4420 | __kmp_suspend_initialize_thread(new_thr); | |||
| 4421 | __kmp_lock_suspend_mx(new_thr); | |||
| 4422 | if (new_thr->th.th_active_in_pool == TRUE(!0)) { | |||
| 4423 | KMP_DEBUG_ASSERT(new_thr->th.th_active == TRUE)if (!(new_thr->th.th_active == (!0))) { __kmp_debug_assert ("new_thr->th.th_active == (!0)", "openmp/runtime/src/kmp_runtime.cpp" , 4423); }; | |||
| 4424 | KMP_ATOMIC_DEC(&__kmp_thread_pool_active_nth)(&__kmp_thread_pool_active_nth)->fetch_sub(1, std::memory_order_acq_rel ); | |||
| 4425 | new_thr->th.th_active_in_pool = FALSE0; | |||
| 4426 | } | |||
| 4427 | __kmp_unlock_suspend_mx(new_thr); | |||
| 4428 | ||||
| 4429 | 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 ); } | |||
| 4430 | __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 ); }; | |||
| 4431 | KMP_ASSERT(!new_thr->th.th_team)if (!(!new_thr->th.th_team)) { __kmp_debug_assert("!new_thr->th.th_team" , "openmp/runtime/src/kmp_runtime.cpp", 4431); }; | |||
| 4432 | KMP_DEBUG_ASSERT(__kmp_nth < __kmp_threads_capacity)if (!(__kmp_nth < __kmp_threads_capacity)) { __kmp_debug_assert ("__kmp_nth < __kmp_threads_capacity", "openmp/runtime/src/kmp_runtime.cpp" , 4432); }; | |||
| 4433 | ||||
| 4434 | /* setup the thread structure */ | |||
| 4435 | __kmp_initialize_info(new_thr, team, new_tid, | |||
| 4436 | new_thr->th.th_info.ds.ds_gtid); | |||
| 4437 | KMP_DEBUG_ASSERT(new_thr->th.th_serial_team)if (!(new_thr->th.th_serial_team)) { __kmp_debug_assert("new_thr->th.th_serial_team" , "openmp/runtime/src/kmp_runtime.cpp", 4437); }; | |||
| 4438 | ||||
| 4439 | TCW_4(__kmp_nth, __kmp_nth + 1)(__kmp_nth) = (__kmp_nth + 1); | |||
| 4440 | ||||
| 4441 | new_thr->th.th_task_state = 0; | |||
| 4442 | new_thr->th.th_task_state_top = 0; | |||
| 4443 | new_thr->th.th_task_state_stack_sz = 4; | |||
| 4444 | ||||
| 4445 | if (__kmp_barrier_gather_pattern[bs_forkjoin_barrier] == bp_dist_bar) { | |||
| 4446 | // Make sure pool thread has transitioned to waiting on own thread struct | |||
| 4447 | KMP_DEBUG_ASSERT(new_thr->th.th_used_in_team.load() == 0)if (!(new_thr->th.th_used_in_team.load() == 0)) { __kmp_debug_assert ("new_thr->th.th_used_in_team.load() == 0", "openmp/runtime/src/kmp_runtime.cpp" , 4447); }; | |||
| 4448 | // Thread activated in __kmp_allocate_team when increasing team size | |||
| 4449 | } | |||
| 4450 | ||||
| 4451 | #ifdef KMP_ADJUST_BLOCKTIME1 | |||
| 4452 | /* Adjust blocktime back to zero if necessary */ | |||
| 4453 | /* Middle initialization might not have occurred yet */ | |||
| 4454 | if (!__kmp_env_blocktime && (__kmp_avail_proc > 0)) { | |||
| 4455 | if (__kmp_nth > __kmp_avail_proc) { | |||
| 4456 | __kmp_zero_bt = TRUE(!0); | |||
| 4457 | } | |||
| 4458 | } | |||
| 4459 | #endif /* KMP_ADJUST_BLOCKTIME */ | |||
| 4460 | ||||
| 4461 | #if KMP_DEBUG1 | |||
| 4462 | // If thread entered pool via __kmp_free_thread, wait_flag should != | |||
| 4463 | // KMP_BARRIER_PARENT_FLAG. | |||
| 4464 | int b; | |||
| 4465 | kmp_balign_t *balign = new_thr->th.th_bar; | |||
| 4466 | for (b = 0; b < bs_last_barrier; ++b) | |||
| 4467 | KMP_DEBUG_ASSERT(balign[b].bb.wait_flag != KMP_BARRIER_PARENT_FLAG)if (!(balign[b].bb.wait_flag != 2)) { __kmp_debug_assert("balign[b].bb.wait_flag != 2" , "openmp/runtime/src/kmp_runtime.cpp", 4467); }; | |||
| 4468 | #endif | |||
| 4469 | ||||
| 4470 | 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); } | |||
| 4471 | __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); }; | |||
| 4472 | ||||
| 4473 | KMP_MB(); | |||
| 4474 | return new_thr; | |||
| 4475 | } | |||
| 4476 | ||||
| 4477 | /* no, well fork a new one */ | |||
| 4478 | KMP_ASSERT(__kmp_nth == __kmp_all_nth)if (!(__kmp_nth == __kmp_all_nth)) { __kmp_debug_assert("__kmp_nth == __kmp_all_nth" , "openmp/runtime/src/kmp_runtime.cpp", 4478); }; | |||
| 4479 | KMP_ASSERT(__kmp_all_nth < __kmp_threads_capacity)if (!(__kmp_all_nth < __kmp_threads_capacity)) { __kmp_debug_assert ("__kmp_all_nth < __kmp_threads_capacity", "openmp/runtime/src/kmp_runtime.cpp" , 4479); }; | |||
| 4480 | ||||
| 4481 | #if KMP_USE_MONITOR | |||
| 4482 | // If this is the first worker thread the RTL is creating, then also | |||
| 4483 | // launch the monitor thread. We try to do this as early as possible. | |||
| 4484 | if (!TCR_4(__kmp_init_monitor)(__kmp_init_monitor)) { | |||
| 4485 | __kmp_acquire_bootstrap_lock(&__kmp_monitor_lock); | |||
| 4486 | if (!TCR_4(__kmp_init_monitor)(__kmp_init_monitor)) { | |||
| 4487 | KF_TRACE(10, ("before __kmp_create_monitor\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("before __kmp_create_monitor\n" ); }; | |||
| 4488 | TCW_4(__kmp_init_monitor, 1)(__kmp_init_monitor) = (1); | |||
| 4489 | __kmp_create_monitor(&__kmp_monitor); | |||
| 4490 | KF_TRACE(10, ("after __kmp_create_monitor\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("after __kmp_create_monitor\n" ); }; | |||
| 4491 | #if KMP_OS_WINDOWS0 | |||
| 4492 | // AC: wait until monitor has started. This is a fix for CQ232808. | |||
| 4493 | // The reason is that if the library is loaded/unloaded in a loop with | |||
| 4494 | // small (parallel) work in between, then there is high probability that | |||
| 4495 | // monitor thread started after the library shutdown. At shutdown it is | |||
| 4496 | // too late to cope with the problem, because when the primary thread is | |||
| 4497 | // in DllMain (process detach) the monitor has no chances to start (it is | |||
| 4498 | // blocked), and primary thread has no means to inform the monitor that | |||
| 4499 | // the library has gone, because all the memory which the monitor can | |||
| 4500 | // access is going to be released/reset. | |||
| 4501 | while (TCR_4(__kmp_init_monitor)(__kmp_init_monitor) < 2) { | |||
| 4502 | KMP_YIELD(TRUE){ __kmp_x86_pause(); if (((!0)) && (((__kmp_use_yield == 1) || (__kmp_use_yield == 2 && (((__kmp_nth) > (__kmp_avail_proc ? __kmp_avail_proc : __kmp_xproc))))))) __kmp_yield (); }; | |||
| 4503 | } | |||
| 4504 | KF_TRACE(10, ("after monitor thread has started\n"))if (kmp_f_debug >= 10) { __kmp_debug_printf ("after monitor thread has started\n" ); }; | |||
| 4505 | #endif | |||
| 4506 | } | |||
| 4507 | __kmp_release_bootstrap_lock(&__kmp_monitor_lock); | |||
| 4508 | } | |||
| 4509 | #endif | |||
| 4510 | ||||
| 4511 | KMP_MB(); | |||
| 4512 | ||||
| 4513 | { | |||
| 4514 | int new_start_gtid = TCR_4(__kmp_init_hidden_helper_threads)(__kmp_init_hidden_helper_threads) | |||
| 4515 | ? 1 | |||
| 4516 | : __kmp_hidden_helper_threads_num + 1; | |||
| 4517 | ||||
| 4518 | for (new_gtid = new_start_gtid; TCR_PTR(__kmp_threads[new_gtid])((void *)(__kmp_threads[new_gtid])) != NULL__null; | |||
| 4519 | ++new_gtid) { | |||
| 4520 | KMP_DEBUG_ASSERT(new_gtid < __kmp_threads_capacity)if (!(new_gtid < __kmp_threads_capacity)) { __kmp_debug_assert ("new_gtid < __kmp_threads_capacity", "openmp/runtime/src/kmp_runtime.cpp" , 4520); }; | |||
| 4521 | } | |||
| 4522 | ||||
| 4523 | if (TCR_4(__kmp_init_hidden_helper_threads)(__kmp_init_hidden_helper_threads)) { | |||
| 4524 | KMP_DEBUG_ASSERT(new_gtid <= __kmp_hidden_helper_threads_num)if (!(new_gtid <= __kmp_hidden_helper_threads_num)) { __kmp_debug_assert ("new_gtid <= __kmp_hidden_helper_threads_num", "openmp/runtime/src/kmp_runtime.cpp" , 4524); }; | |||
| 4525 | } | |||
| 4526 | } | |||
| 4527 | ||||
| 4528 | /* allocate space for it. */ | |||
| 4529 | new_thr = (kmp_info_t *)__kmp_allocate(sizeof(kmp_info_t))___kmp_allocate((sizeof(kmp_info_t)), "openmp/runtime/src/kmp_runtime.cpp" , 4529); | |||
| 4530 | ||||
| 4531 | TCW_SYNC_PTR(__kmp_threads[new_gtid], new_thr)((__kmp_threads[new_gtid])) = ((new_thr)); | |||
| 4532 | ||||
| 4533 | #if USE_ITT_BUILD1 && USE_ITT_NOTIFY1 && KMP_DEBUG1 | |||
| 4534 | // suppress race conditions detection on synchronization flags in debug mode | |||
| 4535 | // this helps to analyze library internals eliminating false positives | |||
| 4536 | __itt_suppress_mark_range(!__kmp_itt_suppress_mark_range_ptr__3_0) ? (void)0 : __kmp_itt_suppress_mark_range_ptr__3_0( | |||
| 4537 | __itt_suppress_range, __itt_suppress_threading_errors0x000000ff, | |||
| 4538 | &new_thr->th.th_sleep_loc, sizeof(new_thr->th.th_sleep_loc)); | |||
| 4539 | __itt_suppress_mark_range(!__kmp_itt_suppress_mark_range_ptr__3_0) ? (void)0 : __kmp_itt_suppress_mark_range_ptr__3_0( | |||
| 4540 | __itt_suppress_range, __itt_suppress_threading_errors0x000000ff, | |||
| 4541 | &new_thr->th.th_reap_state, sizeof(new_thr->th.th_reap_state)); | |||
| 4542 | #if KMP_OS_WINDOWS0 | |||
| 4543 | __itt_suppress_mark_range(!__kmp_itt_suppress_mark_range_ptr__3_0) ? (void)0 : __kmp_itt_suppress_mark_range_ptr__3_0( | |||
| 4544 | __itt_suppress_range, __itt_suppress_threading_errors0x000000ff, | |||
| 4545 | &new_thr->th.th_suspend_init, sizeof(new_thr->th.th_suspend_init)); | |||
| 4546 | #else | |||
| 4547 | __itt_suppress_mark_range(!__kmp_itt_suppress_mark_range_ptr__3_0) ? (void)0 : __kmp_itt_suppress_mark_range_ptr__3_0(__itt_suppress_range, | |||
| 4548 | __itt_suppress_threading_errors0x000000ff, | |||
| 4549 | &new_thr->th.th_suspend_init_count, | |||
| 4550 | sizeof(new_thr->th.th_suspend_init_count)); | |||
| 4551 | #endif | |||
| 4552 | // TODO: check if we need to also suppress b_arrived flags | |||
| 4553 | __itt_suppress_mark_range(!__kmp_itt_suppress_mark_range_ptr__3_0) ? (void)0 : __kmp_itt_suppress_mark_range_ptr__3_0(__itt_suppress_range, | |||
| 4554 | __itt_suppress_threading_errors0x000000ff, | |||
| 4555 | CCAST(kmp_uint64 *, &new_thr->th.th_bar[0].bb.b_go)const_cast<kmp_uint64 *>(&new_thr->th.th_bar[0]. bb.b_go), | |||
| 4556 | sizeof(new_thr->th.th_bar[0].bb.b_go)); | |||
| 4557 | __itt_suppress_mark_range(!__kmp_itt_suppress_mark_range_ptr__3_0) ? (void)0 : __kmp_itt_suppress_mark_range_ptr__3_0(__itt_suppress_range, | |||
| 4558 | __itt_suppress_threading_errors0x000000ff, | |||
| 4559 | CCAST(kmp_uint64 *, &new_thr->th.th_bar[1].bb.b_go)const_cast<kmp_uint64 *>(&new_thr->th.th_bar[1]. bb.b_go), | |||
| 4560 | sizeof(new_thr->th.th_bar[1].bb.b_go)); | |||
| 4561 | __itt_suppress_mark_range(!__kmp_itt_suppress_mark_range_ptr__3_0) ? (void)0 : __kmp_itt_suppress_mark_range_ptr__3_0(__itt_suppress_range, | |||
| 4562 | __itt_suppress_threading_errors0x000000ff, | |||
| 4563 | CCAST(kmp_uint64 *, &new_thr->th.th_bar[2].bb.b_go)const_cast<kmp_uint64 *>(&new_thr->th.th_bar[2]. bb.b_go), | |||
| 4564 | sizeof(new_thr->th.th_bar[2].bb.b_go)); | |||
| 4565 | #endif /* USE_ITT_BUILD && USE_ITT_NOTIFY && KMP_DEBUG */ | |||
| 4566 | if (__kmp_storage_map) { | |||
| 4567 | __kmp_print_thread_storage_map(new_thr, new_gtid); | |||
| 4568 | } | |||
| 4569 | ||||
| 4570 | // add the reserve serialized team, initialized from the team's primary thread | |||
| 4571 | { | |||
| 4572 | kmp_internal_control_t r_icvs = __kmp_get_x_global_icvs(team); | |||
| 4573 | 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" ); }; | |||
| 4574 | new_thr->th.th_serial_team = serial_team = | |||
| 4575 | (kmp_team_t *)__kmp_allocate_team(root, 1, 1, | |||
| 4576 | #if OMPT_SUPPORT1 | |||
| 4577 | ompt_data_none{0}, // root parallel id | |||
| 4578 | #endif | |||
| 4579 | proc_bind_default, &r_icvs, | |||
| 4580 | 0 USE_NESTED_HOT_ARG(NULL), __null); | |||
| 4581 | } | |||
| 4582 | KMP_ASSERT(serial_team)if (!(serial_team)) { __kmp_debug_assert("serial_team", "openmp/runtime/src/kmp_runtime.cpp" , 4582); }; | |||
| 4583 | serial_team->t.t_serialized = 0; // AC: the team created in reserve, not for | |||
| 4584 | // execution (it is unused for now). | |||
| 4585 | serial_team->t.t_threads[0] = new_thr; | |||
| 4586 | 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); } | |||
| 4587 | ("__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); } | |||
| 4588 | new_thr))if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: after th_serial/serial_team : new_thr=%p\n" , new_thr); }; | |||
| 4589 | ||||
| 4590 | /* setup the thread structures */ | |||
| 4591 | __kmp_initialize_info(new_thr, team, new_tid, new_gtid); | |||
| 4592 | ||||
| 4593 | #if USE_FAST_MEMORY3 | |||
| 4594 | __kmp_initialize_fast_memory(new_thr); | |||
| 4595 | #endif /* USE_FAST_MEMORY */ | |||
| 4596 | ||||
| 4597 | #if KMP_USE_BGET1 | |||
| 4598 | KMP_DEBUG_ASSERT(new_thr->th.th_local.bget_data == NULL)if (!(new_thr->th.th_local.bget_data == __null)) { __kmp_debug_assert ("new_thr->th.th_local.bget_data == __null", "openmp/runtime/src/kmp_runtime.cpp" , 4598); }; | |||
| 4599 | __kmp_initialize_bget(new_thr); | |||
| 4600 | #endif | |||
| 4601 | ||||
| 4602 | __kmp_init_random(new_thr); // Initialize random number generator | |||
| 4603 | ||||
| 4604 | /* Initialize these only once when thread is grabbed for a team allocation */ | |||
| 4605 | 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); } | |||
| 4606 | ("__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); } | |||
| 4607 | __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); }; | |||
| 4608 | ||||
| 4609 | int b; | |||
| 4610 | kmp_balign_t *balign = new_thr->th.th_bar; | |||
| 4611 | for (b = 0; b < bs_last_barrier; ++b) { | |||
| 4612 | balign[b].bb.b_go = KMP_INIT_BARRIER_STATE0; | |||
| 4613 | balign[b].bb.team = NULL__null; | |||
| 4614 | balign[b].bb.wait_flag = KMP_BARRIER_NOT_WAITING0; | |||
| 4615 | balign[b].bb.use_oncore_barrier = 0; | |||
| 4616 | } | |||
| 4617 | ||||
| 4618 | TCW_PTR(new_thr->th.th_sleep_loc, NULL)((new_thr->th.th_sleep_loc)) = ((__null)); | |||
| 4619 | new_thr->th.th_sleep_loc_type = flag_unset; | |||
| 4620 | ||||
| 4621 | new_thr->th.th_spin_here = FALSE0; | |||
| 4622 | new_thr->th.th_next_waiting = 0; | |||
| 4623 | #if KMP_OS_UNIX1 | |||
| 4624 | new_thr->th.th_blocking = false; | |||
| 4625 | #endif | |||
| 4626 | ||||
| 4627 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 4628 | new_thr->th.th_current_place = KMP_PLACE_UNDEFINED(-2); | |||
| 4629 | new_thr->th.th_new_place = KMP_PLACE_UNDEFINED(-2); | |||
| 4630 | new_thr->th.th_first_place = KMP_PLACE_UNDEFINED(-2); | |||
| 4631 | new_thr->th.th_last_place = KMP_PLACE_UNDEFINED(-2); | |||
| 4632 | #endif | |||
| 4633 | new_thr->th.th_def_allocator = __kmp_def_allocator; | |||
| 4634 | new_thr->th.th_prev_level = 0; | |||
| 4635 | new_thr->th.th_prev_num_threads = 1; | |||
| 4636 | ||||
| 4637 | TCW_4(new_thr->th.th_in_pool, FALSE)(new_thr->th.th_in_pool) = (0); | |||
| 4638 | new_thr->th.th_active_in_pool = FALSE0; | |||
| 4639 | TCW_4(new_thr->th.th_active, TRUE)(new_thr->th.th_active) = ((!0)); | |||
| 4640 | ||||
| 4641 | /* adjust the global counters */ | |||
| 4642 | __kmp_all_nth++; | |||
| 4643 | __kmp_nth++; | |||
| 4644 | ||||
| 4645 | // if __kmp_adjust_gtid_mode is set, then we use method #1 (sp search) for low | |||
| 4646 | // numbers of procs, and method #2 (keyed API call) for higher numbers. | |||
| 4647 | if (__kmp_adjust_gtid_mode) { | |||
| 4648 | if (__kmp_all_nth >= __kmp_tls_gtid_min) { | |||
| 4649 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) != 2) { | |||
| 4650 | TCW_4(__kmp_gtid_mode, 2)(__kmp_gtid_mode) = (2); | |||
| 4651 | } | |||
| 4652 | } else { | |||
| 4653 | if (TCR_4(__kmp_gtid_mode)(__kmp_gtid_mode) != 1) { | |||
| 4654 | TCW_4(__kmp_gtid_mode, 1)(__kmp_gtid_mode) = (1); | |||
| 4655 | } | |||
| 4656 | } | |||
| 4657 | } | |||
| 4658 | ||||
| 4659 | #ifdef KMP_ADJUST_BLOCKTIME1 | |||
| 4660 | /* Adjust blocktime back to zero if necessary */ | |||
| 4661 | /* Middle initialization might not have occurred yet */ | |||
| 4662 | if (!__kmp_env_blocktime && (__kmp_avail_proc > 0)) { | |||
| 4663 | if (__kmp_nth > __kmp_avail_proc) { | |||
| 4664 | __kmp_zero_bt = TRUE(!0); | |||
| 4665 | } | |||
| 4666 | } | |||
| 4667 | #endif /* KMP_ADJUST_BLOCKTIME */ | |||
| 4668 | ||||
| 4669 | /* actually fork it and create the new worker thread */ | |||
| 4670 | KF_TRACE(if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: before __kmp_create_worker: %p\n" , new_thr); } | |||
| 4671 | 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); }; | |||
| 4672 | __kmp_create_worker(new_gtid, new_thr, __kmp_stksize); | |||
| 4673 | KF_TRACE(10,if (kmp_f_debug >= 10) { __kmp_debug_printf ("__kmp_allocate_thread: after __kmp_create_worker: %p\n" , new_thr); } | |||
| 4674 | ("__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); }; | |||
| 4675 | ||||
| 4676 | 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); } | |||
| 4677 | 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); }; | |||
| 4678 | KMP_MB(); | |||
| 4679 | return new_thr; | |||
| 4680 | } | |||
| 4681 | ||||
| 4682 | /* Reinitialize team for reuse. | |||
| 4683 | The hot team code calls this case at every fork barrier, so EPCC barrier | |||
| 4684 | test are extremely sensitive to changes in it, esp. writes to the team | |||
| 4685 | struct, which cause a cache invalidation in all threads. | |||
| 4686 | IF YOU TOUCH THIS ROUTINE, RUN EPCC C SYNCBENCH ON A BIG-IRON MACHINE!!! */ | |||
| 4687 | static void __kmp_reinitialize_team(kmp_team_t *team, | |||
| 4688 | kmp_internal_control_t *new_icvs, | |||
| 4689 | ident_t *loc) { | |||
| 4690 | 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); } | |||
| 4691 | 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); }; | |||
| 4692 | KMP_DEBUG_ASSERT(team && new_icvs)if (!(team && new_icvs)) { __kmp_debug_assert("team && new_icvs" , "openmp/runtime/src/kmp_runtime.cpp", 4692); }; | |||
| 4693 | KMP_DEBUG_ASSERT((!TCR_4(__kmp_init_parallel)) || new_icvs->nproc)if (!((!(__kmp_init_parallel)) || new_icvs->nproc)) { __kmp_debug_assert ("(!(__kmp_init_parallel)) || new_icvs->nproc", "openmp/runtime/src/kmp_runtime.cpp" , 4693); }; | |||
| 4694 | KMP_CHECK_UPDATE(team->t.t_ident, loc)if ((team->t.t_ident) != (loc)) (team->t.t_ident) = (loc ); | |||
| 4695 | ||||
| 4696 | KMP_CHECK_UPDATE(team->t.t_id, KMP_GEN_TEAM_ID())if ((team->t.t_id) != ((~0))) (team->t.t_id) = ((~0)); | |||
| 4697 | // Copy ICVs to the primary thread's implicit taskdata | |||
| 4698 | __kmp_init_implicit_task(loc, team->t.t_threads[0], team, 0, FALSE0); | |||
| 4699 | copy_icvs(&team->t.t_implicit_task_taskdata[0].td_icvs, new_icvs); | |||
| 4700 | ||||
| 4701 | 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); } | |||
| 4702 | 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); }; | |||
| 4703 | } | |||
| 4704 | ||||
| 4705 | /* Initialize the team data structure. | |||
| 4706 | This assumes the t_threads and t_max_nproc are already set. | |||
| 4707 | Also, we don't touch the arguments */ | |||
| 4708 | static void __kmp_initialize_team(kmp_team_t *team, int new_nproc, | |||
| 4709 | kmp_internal_control_t *new_icvs, | |||
| 4710 | ident_t *loc) { | |||
| 4711 | 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); }; | |||
| 4712 | ||||
| 4713 | /* verify */ | |||
| 4714 | KMP_DEBUG_ASSERT(team)if (!(team)) { __kmp_debug_assert("team", "openmp/runtime/src/kmp_runtime.cpp" , 4714); }; | |||
| 4715 | KMP_DEBUG_ASSERT(new_nproc <= team->t.t_max_nproc)if (!(new_nproc <= team->t.t_max_nproc)) { __kmp_debug_assert ("new_nproc <= team->t.t_max_nproc", "openmp/runtime/src/kmp_runtime.cpp" , 4715); }; | |||
| 4716 | KMP_DEBUG_ASSERT(team->t.t_threads)if (!(team->t.t_threads)) { __kmp_debug_assert("team->t.t_threads" , "openmp/runtime/src/kmp_runtime.cpp", 4716); }; | |||
| 4717 | KMP_MB(); | |||
| 4718 | ||||
| 4719 | team->t.t_master_tid = 0; /* not needed */ | |||
| 4720 | /* team->t.t_master_bar; not needed */ | |||
| 4721 | team->t.t_serialized = new_nproc > 1 ? 0 : 1; | |||
| 4722 | team->t.t_nproc = new_nproc; | |||
| 4723 | ||||
| 4724 | /* team->t.t_parent = NULL; TODO not needed & would mess up hot team */ | |||
| 4725 | team->t.t_next_pool = NULL__null; | |||
| 4726 | /* memset( team->t.t_threads, 0, sizeof(kmp_info_t*)*new_nproc ); would mess | |||
| 4727 | * up hot team */ | |||
| 4728 | ||||
| 4729 | TCW_SYNC_PTR(team->t.t_pkfn, NULL)((team->t.t_pkfn)) = ((__null)); /* not needed */ | |||
| 4730 | team->t.t_invoke = NULL__null; /* not needed */ | |||
| 4731 | ||||
| 4732 | // TODO???: team->t.t_max_active_levels = new_max_active_levels; | |||
| 4733 | team->t.t_sched.sched = new_icvs->sched.sched; | |||
| 4734 | ||||
| 4735 | #if KMP_ARCH_X860 || KMP_ARCH_X86_641 | |||
| 4736 | team->t.t_fp_control_saved = FALSE0; /* not needed */ | |||
| 4737 | team->t.t_x87_fpu_control_word = 0; /* not needed */ | |||
| 4738 | team->t.t_mxcsr = 0; /* not needed */ | |||
| 4739 | #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */ | |||
| 4740 | ||||
| 4741 | team->t.t_construct = 0; | |||
| 4742 | ||||
| 4743 | team->t.t_ordered.dt.t_value = 0; | |||
| 4744 | team->t.t_master_active = FALSE0; | |||
| 4745 | ||||
| 4746 | #ifdef KMP_DEBUG1 | |||
| 4747 | team->t.t_copypriv_data = NULL__null; /* not necessary, but nice for debugging */ | |||
| 4748 | #endif | |||
| 4749 | #if KMP_OS_WINDOWS0 | |||
| 4750 | team->t.t_copyin_counter = 0; /* for barrier-free copyin implementation */ | |||
| 4751 | #endif | |||
| 4752 | ||||
| 4753 | team->t.t_control_stack_top = NULL__null; | |||
| 4754 | ||||
| 4755 | __kmp_reinitialize_team(team, new_icvs, loc); | |||
| 4756 | ||||
| 4757 | KMP_MB(); | |||
| 4758 | 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); }; | |||
| 4759 | } | |||
| 4760 | ||||
| 4761 | #if (KMP_OS_LINUX1 || KMP_OS_FREEBSD0) && KMP_AFFINITY_SUPPORTED1 | |||
| 4762 | /* Sets full mask for thread and returns old mask, no changes to structures. */ | |||
| 4763 | static void | |||
| 4764 | __kmp_set_thread_affinity_mask_full_tmp(kmp_affin_mask_t *old_mask) { | |||
| 4765 | if (KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { | |||
| 4766 | int status; | |||
| 4767 | if (old_mask != NULL__null) { | |||
| 4768 | status = __kmp_get_system_affinity(old_mask, TRUE)(old_mask)->get_system_affinity((!0)); | |||
| 4769 | int error = errno(*__errno_location ()); | |||
| 4770 | if (status != 0) { | |||
| 4771 | __kmp_fatal(KMP_MSG(ChangeThreadAffMaskError)__kmp_msg_format(kmp_i18n_msg_ChangeThreadAffMaskError), KMP_ERR(error)__kmp_msg_error_code(error), | |||
| 4772 | __kmp_msg_null); | |||
| 4773 | } | |||
| 4774 | } | |||
| 4775 | __kmp_set_system_affinity(__kmp_affin_fullMask, TRUE)(__kmp_affin_fullMask)->set_system_affinity((!0)); | |||
| 4776 | } | |||
| 4777 | } | |||
| 4778 | #endif | |||
| 4779 | ||||
| 4780 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 4781 | ||||
| 4782 | // __kmp_partition_places() is the heart of the OpenMP 4.0 affinity mechanism. | |||
| 4783 | // It calculates the worker + primary thread's partition based upon the parent | |||
| 4784 | // thread's partition, and binds each worker to a thread in their partition. | |||
| 4785 | // The primary thread's partition should already include its current binding. | |||
| 4786 | static void __kmp_partition_places(kmp_team_t *team, int update_master_only) { | |||
| 4787 | // Do not partition places for the hidden helper team | |||
| 4788 | if (KMP_HIDDEN_HELPER_TEAM(team)(team->t.t_threads[0] == __kmp_hidden_helper_main_thread)) | |||
| 4789 | return; | |||
| 4790 | // Copy the primary thread's place partition to the team struct | |||
| 4791 | kmp_info_t *master_th = team->t.t_threads[0]; | |||
| 4792 | KMP_DEBUG_ASSERT(master_th != NULL)if (!(master_th != __null)) { __kmp_debug_assert("master_th != __null" , "openmp/runtime/src/kmp_runtime.cpp", 4792); }; | |||
| 4793 | kmp_proc_bind_t proc_bind = team->t.t_proc_bind; | |||
| 4794 | int first_place = master_th->th.th_first_place; | |||
| 4795 | int last_place = master_th->th.th_last_place; | |||
| 4796 | int masters_place = master_th->th.th_current_place; | |||
| 4797 | int num_masks = __kmp_affinity.num_masks; | |||
| 4798 | team->t.t_first_place = first_place; | |||
| 4799 | team->t.t_last_place = last_place; | |||
| 4800 | ||||
| 4801 | 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, __kmp_gtid_from_thread (team->t.t_threads[0]), team->t.t_id, masters_place, first_place , last_place); } | |||
| 4802 | "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, __kmp_gtid_from_thread (team->t.t_threads[0]), team->t.t_id, masters_place, first_place , last_place); } | |||
| 4803 | 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, __kmp_gtid_from_thread (team->t.t_threads[0]), team->t.t_id, masters_place, first_place , last_place); } | |||
| 4804 | 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, __kmp_gtid_from_thread (team->t.t_threads[0]), team->t.t_id, masters_place, first_place , last_place); }; | |||
| 4805 | ||||
| 4806 | switch (proc_bind) { | |||
| 4807 | ||||
| 4808 | case proc_bind_default: | |||
| 4809 | // Serial teams might have the proc_bind policy set to proc_bind_default. | |||
| 4810 | // Not an issue -- we don't rebind primary thread for any proc_bind policy. | |||
| 4811 | KMP_DEBUG_ASSERT(team->t.t_nproc == 1)if (!(team->t.t_nproc == 1)) { __kmp_debug_assert("team->t.t_nproc == 1" , "openmp/runtime/src/kmp_runtime.cpp", 4811); }; | |||
| 4812 | break; | |||
| 4813 | ||||
| 4814 | case proc_bind_primary: { | |||
| 4815 | int f; | |||
| 4816 | int n_th = team->t.t_nproc; | |||
| 4817 | for (f = 1; f < n_th; f++) { | |||
| 4818 | kmp_info_t *th = team->t.t_threads[f]; | |||
| 4819 | KMP_DEBUG_ASSERT(th != NULL)if (!(th != __null)) { __kmp_debug_assert("th != __null", "openmp/runtime/src/kmp_runtime.cpp" , 4819); }; | |||
| 4820 | th->th.th_first_place = first_place; | |||
| 4821 | th->th.th_last_place = last_place; | |||
| 4822 | th->th.th_new_place = masters_place; | |||
| 4823 | if (__kmp_display_affinity && masters_place != th->th.th_current_place && | |||
| 4824 | team->t.t_display_affinity != 1) { | |||
| 4825 | team->t.t_display_affinity = 1; | |||
| 4826 | } | |||
| 4827 | ||||
| 4828 | KA_TRACE(100, ("__kmp_partition_places: primary: T#%d(%d:%d) place %d "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: primary: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, masters_place, first_place, last_place ); } | |||
| 4829 | "partition = [%d,%d]\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: primary: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, masters_place, first_place, last_place ); } | |||
| 4830 | __kmp_gtid_from_thread(team->t.t_threads[f]), team->t.t_id,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: primary: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, masters_place, first_place, last_place ); } | |||
| 4831 | f, masters_place, first_place, last_place))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: primary: T#%d(%d:%d) place %d " "partition = [%d,%d]\n", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, masters_place, first_place, last_place ); }; | |||
| 4832 | } | |||
| 4833 | } break; | |||
| 4834 | ||||
| 4835 | case proc_bind_close: { | |||
| 4836 | int f; | |||
| 4837 | int n_th = team->t.t_nproc; | |||
| 4838 | int n_places; | |||
| 4839 | if (first_place <= last_place) { | |||
| 4840 | n_places = last_place - first_place + 1; | |||
| 4841 | } else { | |||
| 4842 | n_places = num_masks - first_place + last_place + 1; | |||
| 4843 | } | |||
| 4844 | if (n_th <= n_places) { | |||
| 4845 | int place = masters_place; | |||
| 4846 | for (f = 1; f < n_th; f++) { | |||
| 4847 | kmp_info_t *th = team->t.t_threads[f]; | |||
| 4848 | KMP_DEBUG_ASSERT(th != NULL)if (!(th != __null)) { __kmp_debug_assert("th != __null", "openmp/runtime/src/kmp_runtime.cpp" , 4848); }; | |||
| 4849 | ||||
| 4850 | if (place == last_place) { | |||
| 4851 | place = first_place; | |||
| 4852 | } else if (place == (num_masks - 1)) { | |||
| 4853 | place = 0; | |||
| 4854 | } else { | |||
| 4855 | place++; | |||
| 4856 | } | |||
| 4857 | th->th.th_first_place = first_place; | |||
| 4858 | th->th.th_last_place = last_place; | |||
| 4859 | th->th.th_new_place = place; | |||
| 4860 | if (__kmp_display_affinity && place != th->th.th_current_place && | |||
| 4861 | team->t.t_display_affinity != 1) { | |||
| 4862 | team->t.t_display_affinity = 1; | |||
| 4863 | } | |||
| 4864 | ||||
| 4865 | 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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, place, first_place, last_place); } | |||
| 4866 | "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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, place, first_place, last_place); } | |||
| 4867 | __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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, place, first_place, last_place); } | |||
| 4868 | 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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, place, first_place, last_place); }; | |||
| 4869 | } | |||
| 4870 | } else { | |||
| 4871 | int S, rem, gap, s_count; | |||
| 4872 | S = n_th / n_places; | |||
| 4873 | s_count = 0; | |||
| 4874 | rem = n_th - (S * n_places); | |||
| 4875 | gap = rem > 0 ? n_places / rem : n_places; | |||
| 4876 | int place = masters_place; | |||
| 4877 | int gap_ct = gap; | |||
| 4878 | for (f = 0; f < n_th; f++) { | |||
| 4879 | kmp_info_t *th = team->t.t_threads[f]; | |||
| 4880 | KMP_DEBUG_ASSERT(th != NULL)if (!(th != __null)) { __kmp_debug_assert("th != __null", "openmp/runtime/src/kmp_runtime.cpp" , 4880); }; | |||
| 4881 | ||||
| 4882 | th->th.th_first_place = first_place; | |||
| 4883 | th->th.th_last_place = last_place; | |||
| 4884 | th->th.th_new_place = place; | |||
| 4885 | if (__kmp_display_affinity && place != th->th.th_current_place && | |||
| 4886 | team->t.t_display_affinity != 1) { | |||
| 4887 | team->t.t_display_affinity = 1; | |||
| 4888 | } | |||
| 4889 | s_count++; | |||
| 4890 | ||||
| 4891 | if ((s_count == S) && rem && (gap_ct == gap)) { | |||
| 4892 | // do nothing, add an extra thread to place on next iteration | |||
| 4893 | } else if ((s_count == S + 1) && rem && (gap_ct == gap)) { | |||
| 4894 | // we added an extra thread to this place; move to next place | |||
| 4895 | if (place == last_place) { | |||
| 4896 | place = first_place; | |||
| 4897 | } else if (place == (num_masks - 1)) { | |||
| 4898 | place = 0; | |||
| 4899 | } else { | |||
| 4900 | place++; | |||
| 4901 | } | |||
| 4902 | s_count = 0; | |||
| 4903 | gap_ct = 1; | |||
| 4904 | rem--; | |||
| 4905 | } else if (s_count == S) { // place full; don't add extra | |||
| 4906 | if (place == last_place) { | |||
| 4907 | place = first_place; | |||
| 4908 | } else if (place == (num_masks - 1)) { | |||
| 4909 | place = 0; | |||
| 4910 | } else { | |||
| 4911 | place++; | |||
| 4912 | } | |||
| 4913 | gap_ct++; | |||
| 4914 | s_count = 0; | |||
| 4915 | } | |||
| 4916 | ||||
| 4917 | 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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, th->th.th_new_place, first_place , last_place); } | |||
| 4918 | ("__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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, th->th.th_new_place, first_place , last_place); } | |||
| 4919 | "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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, th->th.th_new_place, first_place , last_place); } | |||
| 4920 | __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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, th->th.th_new_place, first_place , last_place); } | |||
| 4921 | 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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, th->th.th_new_place, first_place , last_place); }; | |||
| 4922 | } | |||
| 4923 | KMP_DEBUG_ASSERT(place == masters_place)if (!(place == masters_place)) { __kmp_debug_assert("place == masters_place" , "openmp/runtime/src/kmp_runtime.cpp", 4923); }; | |||
| 4924 | } | |||
| 4925 | } break; | |||
| 4926 | ||||
| 4927 | case proc_bind_spread: { | |||
| 4928 | int f; | |||
| 4929 | int n_th = team->t.t_nproc; | |||
| 4930 | int n_places; | |||
| 4931 | int thidx; | |||
| 4932 | if (first_place <= last_place) { | |||
| 4933 | n_places = last_place - first_place + 1; | |||
| 4934 | } else { | |||
| 4935 | n_places = num_masks - first_place + last_place + 1; | |||
| 4936 | } | |||
| 4937 | if (n_th <= n_places) { | |||
| 4938 | int place = -1; | |||
| 4939 | ||||
| 4940 | if (n_places != num_masks) { | |||
| 4941 | int S = n_places / n_th; | |||
| 4942 | int s_count, rem, gap, gap_ct; | |||
| 4943 | ||||
| 4944 | place = masters_place; | |||
| 4945 | rem = n_places - n_th * S; | |||
| 4946 | gap = rem ? n_th / rem : 1; | |||
| 4947 | gap_ct = gap; | |||
| 4948 | thidx = n_th; | |||
| 4949 | if (update_master_only == 1) | |||
| 4950 | thidx = 1; | |||
| 4951 | for (f = 0; f < thidx; f++) { | |||
| 4952 | kmp_info_t *th = team->t.t_threads[f]; | |||
| 4953 | KMP_DEBUG_ASSERT(th != NULL)if (!(th != __null)) { __kmp_debug_assert("th != __null", "openmp/runtime/src/kmp_runtime.cpp" , 4953); }; | |||
| 4954 | ||||
| 4955 | th->th.th_first_place = place; | |||
| 4956 | th->th.th_new_place = place; | |||
| 4957 | if (__kmp_display_affinity && place != th->th.th_current_place && | |||
| 4958 | team->t.t_display_affinity != 1) { | |||
| 4959 | team->t.t_display_affinity = 1; | |||
| 4960 | } | |||
| 4961 | s_count = 1; | |||
| 4962 | while (s_count < S) { | |||
| 4963 | if (place == last_place) { | |||
| 4964 | place = first_place; | |||
| 4965 | } else if (place == (num_masks - 1)) { | |||
| 4966 | place = 0; | |||
| 4967 | } else { | |||
| 4968 | place++; | |||
| 4969 | } | |||
| 4970 | s_count++; | |||
| 4971 | } | |||
| 4972 | if (rem && (gap_ct == gap)) { | |||
| 4973 | if (place == last_place) { | |||
| 4974 | place = first_place; | |||
| 4975 | } else if (place == (num_masks - 1)) { | |||
| 4976 | place = 0; | |||
| 4977 | } else { | |||
| 4978 | place++; | |||
| 4979 | } | |||
| 4980 | rem--; | |||
| 4981 | gap_ct = 0; | |||
| 4982 | } | |||
| 4983 | th->th.th_last_place = place; | |||
| 4984 | gap_ct++; | |||
| 4985 | ||||
| 4986 | if (place == last_place) { | |||
| 4987 | place = first_place; | |||
| 4988 | } else if (place == (num_masks - 1)) { | |||
| 4989 | place = 0; | |||
| 4990 | } else { | |||
| 4991 | place++; | |||
| 4992 | } | |||
| 4993 | ||||
| 4994 | KA_TRACE(100,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], num_masks: %u\n", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, num_masks ); } | |||
| 4995 | ("__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], num_masks: %u\n", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, num_masks ); } | |||
| 4996 | "partition = [%d,%d], 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], num_masks: %u\n", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, num_masks ); } | |||
| 4997 | __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], num_masks: %u\n", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, num_masks ); } | |||
| 4998 | 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], num_masks: %u\n", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, num_masks ); } | |||
| 4999 | th->th.th_last_place, num_masks))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_partition_places: spread: T#%d(%d:%d) place %d " "partition = [%d,%d], num_masks: %u\n", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, num_masks ); }; | |||
| 5000 | } | |||
| 5001 | } else { | |||
| 5002 | /* Having uniform space of available computation places I can create | |||
| 5003 | T partitions of round(P/T) size and put threads into the first | |||
| 5004 | place of each partition. */ | |||
| 5005 | double current = static_cast<double>(masters_place); | |||
| 5006 | double spacing = | |||
| 5007 | (static_cast<double>(n_places + 1) / static_cast<double>(n_th)); | |||
| 5008 | int first, last; | |||
| 5009 | kmp_info_t *th; | |||
| 5010 | ||||
| 5011 | thidx = n_th + 1; | |||
| 5012 | if (update_master_only == 1) | |||
| 5013 | thidx = 1; | |||
| 5014 | for (f = 0; f < thidx; f++) { | |||
| 5015 | first = static_cast<int>(current); | |||
| 5016 | last = static_cast<int>(current + spacing) - 1; | |||
| 5017 | KMP_DEBUG_ASSERT(last >= first)if (!(last >= first)) { __kmp_debug_assert("last >= first" , "openmp/runtime/src/kmp_runtime.cpp", 5017); }; | |||
| 5018 | if (first >= n_places) { | |||
| 5019 | if (masters_place) { | |||
| 5020 | first -= n_places; | |||
| 5021 | last -= n_places; | |||
| 5022 | if (first == (masters_place + 1)) { | |||
| 5023 | KMP_DEBUG_ASSERT(f == n_th)if (!(f == n_th)) { __kmp_debug_assert("f == n_th", "openmp/runtime/src/kmp_runtime.cpp" , 5023); }; | |||
| 5024 | first--; | |||
| 5025 | } | |||
| 5026 | if (last == masters_place) { | |||
| 5027 | KMP_DEBUG_ASSERT(f == (n_th - 1))if (!(f == (n_th - 1))) { __kmp_debug_assert("f == (n_th - 1)" , "openmp/runtime/src/kmp_runtime.cpp", 5027); }; | |||
| 5028 | last--; | |||
| 5029 | } | |||
| 5030 | } else { | |||
| 5031 | KMP_DEBUG_ASSERT(f == n_th)if (!(f == n_th)) { __kmp_debug_assert("f == n_th", "openmp/runtime/src/kmp_runtime.cpp" , 5031); }; | |||
| 5032 | first = 0; | |||
| 5033 | last = 0; | |||
| 5034 | } | |||
| 5035 | } | |||
| 5036 | if (last >= n_places) { | |||
| 5037 | last = (n_places - 1); | |||
| 5038 | } | |||
| 5039 | place = first; | |||
| 5040 | current += spacing; | |||
| 5041 | if (f < n_th) { | |||
| 5042 | KMP_DEBUG_ASSERT(0 <= first)if (!(0 <= first)) { __kmp_debug_assert("0 <= first", "openmp/runtime/src/kmp_runtime.cpp" , 5042); }; | |||
| 5043 | KMP_DEBUG_ASSERT(n_places > first)if (!(n_places > first)) { __kmp_debug_assert("n_places > first" , "openmp/runtime/src/kmp_runtime.cpp", 5043); }; | |||
| 5044 | KMP_DEBUG_ASSERT(0 <= last)if (!(0 <= last)) { __kmp_debug_assert("0 <= last", "openmp/runtime/src/kmp_runtime.cpp" , 5044); }; | |||
| 5045 | KMP_DEBUG_ASSERT(n_places > last)if (!(n_places > last)) { __kmp_debug_assert("n_places > last" , "openmp/runtime/src/kmp_runtime.cpp", 5045); }; | |||
| 5046 | KMP_DEBUG_ASSERT(last_place >= first_place)if (!(last_place >= first_place)) { __kmp_debug_assert("last_place >= first_place" , "openmp/runtime/src/kmp_runtime.cpp", 5046); }; | |||
| 5047 | th = team->t.t_threads[f]; | |||
| 5048 | KMP_DEBUG_ASSERT(th)if (!(th)) { __kmp_debug_assert("th", "openmp/runtime/src/kmp_runtime.cpp" , 5048); }; | |||
| 5049 | th->th.th_first_place = first; | |||
| 5050 | th->th.th_new_place = place; | |||
| 5051 | th->th.th_last_place = last; | |||
| 5052 | if (__kmp_display_affinity && place != th->th.th_current_place && | |||
| 5053 | team->t.t_display_affinity != 1) { | |||
| 5054 | team->t.t_display_affinity = 1; | |||
| 5055 | } | |||
| 5056 | 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", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, spacing) ; } | |||
| 5057 | ("__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", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, spacing) ; } | |||
| 5058 | "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", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, spacing) ; } | |||
| 5059 | __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", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, spacing) ; } | |||
| 5060 | 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", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, spacing) ; } | |||
| 5061 | 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", __kmp_gtid_from_thread (team->t.t_threads[f]), team->t.t_id, f, th->th.th_new_place , th->th.th_first_place, th->th.th_last_place, spacing) ; }; | |||
| 5062 | } | |||
| 5063 | } | |||
| 5064 | } | |||
| 5065 | KMP_DEBUG_ASSERT(update_master_only || place == masters_place)if (!(update_master_only || place == masters_place)) { __kmp_debug_assert ("update_master_only || place == masters_place", "openmp/runtime/src/kmp_runtime.cpp" , 5065); }; | |||
| 5066 | } else { | |||
| 5067 | int S, rem, gap, s_count; | |||
| 5068 | S = n_th / n_places; | |||
| 5069 | s_count = 0; | |||
| 5070 | rem = n_th - (S * n_places); | |||
| 5071 | gap = rem > 0 ? n_places / rem : n_places; | |||
| 5072 | int place = masters_place; | |||
| 5073 | int gap_ct = gap; | |||
| 5074 | thidx = n_th; | |||
| 5075 | if (update_master_only == 1) | |||
| 5076 | thidx = 1; | |||
| 5077 | for (f = 0; f < thidx; f++) { | |||
| 5078 | kmp_info_t *th = team->t.t_threads[f]; | |||
| 5079 | KMP_DEBUG_ASSERT(th != NULL)if (!(th != __null)) { __kmp_debug_assert("th != __null", "openmp/runtime/src/kmp_runtime.cpp" , 5079); }; | |||
| 5080 | ||||
| 5081 | th->th.th_first_place = place; | |||
| 5082 | th->th.th_last_place = place; | |||
| 5083 | th->th.th_new_place = place; | |||
| 5084 | if (__kmp_display_affinity && place != th->th.th_current_place && | |||
| 5085 | team->t.t_display_affinity != 1) { | |||
| 5086 | team->t.t_display_affinity = 1; | |||
| 5087 | } | |||
| 5088 | s_count++; | |||
| 5089 | ||||
| 5090 | if ((s_count == S) && rem && (gap_ct == gap)) { | |||
| 5091 | // do nothing, add an extra thread to place on next iteration | |||
| 5092 | } else if ((s_count == S + 1) && rem && (gap_ct == gap)) { | |||
| 5093 | // we added an extra thread to this place; move on to next place | |||
| 5094 | if (place == last_place) { | |||
| 5095 | place = first_place; | |||
| 5096 | } else if (place == (num_masks - 1)) { | |||
| 5097 | place = 0; | |||
| 5098 | } else { | |||
| 5099 | place++; | |||
| 5100 | } | |||
| 5101 | s_count = 0; | |||
| 5102 | gap_ct = 1; | |||
| 5103 | rem--; | |||
| 5104 | } else if (s_count == S) { // place is full; don't add extra thread | |||
| 5105 | if (place == last_place) { | |||
| 5106 | place = first_place; | |||
| 5107 | } else if (place == (num_masks - 1)) { | |||
| 5108 | place = 0; | |||
| 5109 | } else { | |||
| 5110 | place++; | |||
| 5111 | } | |||
| 5112 | gap_ct++; | |||
| 5113 | s_count = 0; | |||
| 5114 | } | |||
| 5115 | ||||
| 5116 | 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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place); } | |||
| 5117 | "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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place); } | |||
| 5118 | __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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place); } | |||
| 5119 | 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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place); } | |||
| 5120 | 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", __kmp_gtid_from_thread(team->t.t_threads [f]), team->t.t_id, f, th->th.th_new_place, th->th.th_first_place , th->th.th_last_place); }; | |||
| 5121 | } | |||
| 5122 | KMP_DEBUG_ASSERT(update_master_only || place == masters_place)if (!(update_master_only || place == masters_place)) { __kmp_debug_assert ("update_master_only || place == masters_place", "openmp/runtime/src/kmp_runtime.cpp" , 5122); }; | |||
| 5123 | } | |||
| 5124 | } break; | |||
| 5125 | ||||
| 5126 | default: | |||
| 5127 | break; | |||
| 5128 | } | |||
| 5129 | ||||
| 5130 | 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); }; | |||
| 5131 | } | |||
| 5132 | ||||
| 5133 | #endif // KMP_AFFINITY_SUPPORTED | |||
| 5134 | ||||
| 5135 | /* allocate a new team data structure to use. take one off of the free pool if | |||
| 5136 | available */ | |||
| 5137 | kmp_team_t * | |||
| 5138 | __kmp_allocate_team(kmp_root_t *root, int new_nproc, int max_nproc, | |||
| 5139 | #if OMPT_SUPPORT1 | |||
| 5140 | ompt_data_t ompt_parallel_data, | |||
| 5141 | #endif | |||
| 5142 | kmp_proc_bind_t new_proc_bind, | |||
| 5143 | kmp_internal_control_t *new_icvs, | |||
| 5144 | int argc USE_NESTED_HOT_ARG(kmp_info_t *master), kmp_info_t *master) { | |||
| 5145 | KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(KMP_allocate_team)((void)0); | |||
| 5146 | int f; | |||
| 5147 | kmp_team_t *team; | |||
| 5148 | int use_hot_team = !root->r.r_active; | |||
| 5149 | int level = 0; | |||
| 5150 | int do_place_partition = 1; | |||
| 5151 | ||||
| 5152 | KA_TRACE(20, ("__kmp_allocate_team: called\n"))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_allocate_team: called\n" ); }; | |||
| 5153 | KMP_DEBUG_ASSERT(new_nproc >= 1 && argc >= 0)if (!(new_nproc >= 1 && argc >= 0)) { __kmp_debug_assert ("new_nproc >= 1 && argc >= 0", "openmp/runtime/src/kmp_runtime.cpp" , 5153); }; | |||
| 5154 | KMP_DEBUG_ASSERT(max_nproc >= new_nproc)if (!(max_nproc >= new_nproc)) { __kmp_debug_assert("max_nproc >= new_nproc" , "openmp/runtime/src/kmp_runtime.cpp", 5154); }; | |||
| 5155 | KMP_MB(); | |||
| 5156 | ||||
| 5157 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 5158 | kmp_hot_team_ptr_t *hot_teams; | |||
| 5159 | if (master) { | |||
| 5160 | team = master->th.th_team; | |||
| 5161 | level = team->t.t_active_level; | |||
| 5162 | if (master->th.th_teams_microtask) { // in teams construct? | |||
| 5163 | if (master->th.th_teams_size.nteams > 1 && | |||
| 5164 | ( // #teams > 1 | |||
| 5165 | team->t.t_pkfn == | |||
| 5166 | (microtask_t)__kmp_teams_master || // inner fork of the teams | |||
| 5167 | master->th.th_teams_level < | |||
| 5168 | team->t.t_level)) { // or nested parallel inside the teams | |||
| 5169 | ++level; // not increment if #teams==1, or for outer fork of the teams; | |||
| 5170 | // increment otherwise | |||
| 5171 | } | |||
| 5172 | // Do not perform the place partition if inner fork of the teams | |||
| 5173 | // Wait until nested parallel region encountered inside teams construct | |||
| 5174 | if ((master->th.th_teams_size.nteams == 1 && | |||
| 5175 | master->th.th_teams_level >= team->t.t_level) || | |||
| 5176 | (team->t.t_pkfn == (microtask_t)__kmp_teams_master)) | |||
| 5177 | do_place_partition = 0; | |||
| 5178 | } | |||
| 5179 | hot_teams = master->th.th_hot_teams; | |||
| 5180 | if (level < __kmp_hot_teams_max_level && hot_teams && | |||
| 5181 | hot_teams[level].hot_team) { | |||
| 5182 | // hot team has already been allocated for given level | |||
| 5183 | use_hot_team = 1; | |||
| 5184 | } else { | |||
| 5185 | use_hot_team = 0; | |||
| 5186 | } | |||
| 5187 | } else { | |||
| 5188 | // check we won't access uninitialized hot_teams, just in case | |||
| 5189 | KMP_DEBUG_ASSERT(new_nproc == 1)if (!(new_nproc == 1)) { __kmp_debug_assert("new_nproc == 1", "openmp/runtime/src/kmp_runtime.cpp", 5189); }; | |||
| 5190 | } | |||
| 5191 | #endif | |||
| 5192 | // Optimization to use a "hot" team | |||
| 5193 | if (use_hot_team && new_nproc > 1) { | |||
| 5194 | KMP_DEBUG_ASSERT(new_nproc <= max_nproc)if (!(new_nproc <= max_nproc)) { __kmp_debug_assert("new_nproc <= max_nproc" , "openmp/runtime/src/kmp_runtime.cpp", 5194); }; | |||
| 5195 | #if KMP_NESTED_HOT_TEAMS1 | |||
| 5196 | team = hot_teams[level].hot_team; | |||
| 5197 | #else | |||
| 5198 | team = root->r.r_hot_team; | |||
| 5199 | #endif | |||
| 5200 | #if KMP_DEBUG1 | |||
| 5201 | if (__kmp_tasking_mode != tskm_immediate_exec) { | |||
| 5202 | 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]); } | |||
| 5203 | "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]); } | |||
| 5204 | 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]); }; | |||
| 5205 | } | |||
| 5206 | #endif | |||
| 5207 | ||||
| 5208 | if (team->t.t_nproc != new_nproc && | |||
| 5209 | __kmp_barrier_release_pattern[bs_forkjoin_barrier] == bp_dist_bar) { | |||
| 5210 | // Distributed barrier may need a resize | |||
| 5211 | int old_nthr = team->t.t_nproc; | |||
| 5212 | __kmp_resize_dist_barrier(team, old_nthr, new_nproc); | |||
| 5213 | } | |||
| 5214 | ||||
| 5215 | // If not doing the place partition, then reset the team's proc bind | |||
| 5216 | // to indicate that partitioning of all threads still needs to take place | |||
| 5217 | if (do_place_partition == 0) | |||
| 5218 | team->t.t_proc_bind = proc_bind_default; | |||
| 5219 | // Has the number of threads changed? | |||
| 5220 | /* Let's assume the most common case is that the number of threads is | |||
| 5221 | unchanged, and put that case first. */ | |||
| 5222 | if (team->t.t_nproc == new_nproc) { // Check changes in number of threads | |||
| 5223 | 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" ); }; | |||
| 5224 | // This case can mean that omp_set_num_threads() was called and the hot | |||
| 5225 | // team size was already reduced, so we check the special flag | |||
| 5226 | if (team->t.t_size_changed == -1) { | |||
| 5227 | team->t.t_size_changed = 1; | |||
| 5228 | } else { | |||
| 5229 | KMP_CHECK_UPDATE(team->t.t_size_changed, 0)if ((team->t.t_size_changed) != (0)) (team->t.t_size_changed ) = (0); | |||
| 5230 | } | |||
| 5231 | ||||
| 5232 | // TODO???: team->t.t_max_active_levels = new_max_active_levels; | |||
| 5233 | kmp_r_sched_t new_sched = new_icvs->sched; | |||
| 5234 | // set primary thread's schedule as new run-time schedule | |||
| 5235 | 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); | |||
| 5236 | ||||
| 5237 | __kmp_reinitialize_team(team, new_icvs, | |||
| 5238 | root->r.r_uber_thread->th.th_ident); | |||
| 5239 | ||||
| 5240 | 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); } | |||
| 5241 | 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); }; | |||
| 5242 | __kmp_push_current_task_to_thread(team->t.t_threads[0], team, 0); | |||
| 5243 | ||||
| 5244 | #if KMP_AFFINITY_SUPPORTED1 | |||
| 5245 | if ((team->t.t_size_changed == 0) && | |||
| 5246 | (team->t.t_proc_bind == new_proc_bind)) { | |||
| 5247 | if (new_proc_bind == proc_bind_spread) { | |||
| 5248 | if (do_place_partition) { | |||
| 5249 | // add flag to update only master for spread | |||
| 5250 | __kmp_partition_places(team, 1); | |||
| 5251 | } | |||
| 5252 | } | |||
| 5253 | 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); } | |||
| 5254 | "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); } | |||
| 5255 | 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); } | |||
| 5256 | 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); }; | |||