Bug Summary

File:projects/openmp/runtime/src/kmp_affinity.cpp
Warning:line 5201, column 9
The expression is an uninitialized value. The computed value will also be garbage

Annotated Source Code

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clang -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name kmp_affinity.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-eagerly-assume -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -mrelocation-model pic -pic-level 2 -mthread-model posix -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb -momit-leaf-frame-pointer -ffunction-sections -fdata-sections -resource-dir /usr/lib/llvm-7/lib/clang/7.0.0 -D _DEBUG -D _GNU_SOURCE -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D __STDC_LIMIT_MACROS -D omp_EXPORTS -I /build/llvm-toolchain-snapshot-7~svn338205/build-llvm/projects/openmp/runtime/src -I /build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src -I /build/llvm-toolchain-snapshot-7~svn338205/build-llvm/include -I /build/llvm-toolchain-snapshot-7~svn338205/include -I /build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/i18n -I /build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/include/50 -I /build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/thirdparty/ittnotify -U NDEBUG -D _GNU_SOURCE -D _REENTRANT -D _FORTIFY_SOURCE=2 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/8/../../../../include/x86_64-linux-gnu/c++/8 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/8/../../../../include/x86_64-linux-gnu/c++/8 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/backward -internal-isystem /usr/include/clang/7.0.0/include/ -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-7/lib/clang/7.0.0/include -internal-externc-isystem /usr/lib/gcc/x86_64-linux-gnu/8/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -Wno-maybe-uninitialized -Wno-class-memaccess -Wno-comment -Wno-sign-compare -Wno-unused-function -Wno-unused-value -Wno-unused-variable -Wno-switch -Wno-unknown-pragmas -Wno-missing-field-initializers -Wno-missing-braces -Wno-comment -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /build/llvm-toolchain-snapshot-7~svn338205/build-llvm/projects/openmp/runtime/src -ferror-limit 19 -fmessage-length 0 -fvisibility-inlines-hidden -fno-rtti -fobjc-runtime=gcc -fdiagnostics-show-option -vectorize-loops -vectorize-slp -analyzer-output=html -analyzer-config stable-report-filename=true -o /tmp/scan-build-2018-07-29-043837-17923-1 -x c++ /build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp -faddrsig
1/*
2 * kmp_affinity.cpp -- affinity management
3 */
4
5//===----------------------------------------------------------------------===//
6//
7// The LLVM Compiler Infrastructure
8//
9// This file is dual licensed under the MIT and the University of Illinois Open
10// Source Licenses. See LICENSE.txt for details.
11//
12//===----------------------------------------------------------------------===//
13
14#include "kmp.h"
15#include "kmp_affinity.h"
16#include "kmp_i18n.h"
17#include "kmp_io.h"
18#include "kmp_str.h"
19#include "kmp_wrapper_getpid.h"
20#if KMP_USE_HIER_SCHED0
21#include "kmp_dispatch_hier.h"
22#endif
23
24// Store the real or imagined machine hierarchy here
25static hierarchy_info machine_hierarchy;
26
27void __kmp_cleanup_hierarchy() { machine_hierarchy.fini(); }
28
29void __kmp_get_hierarchy(kmp_uint32 nproc, kmp_bstate_t *thr_bar) {
30 kmp_uint32 depth;
31 // The test below is true if affinity is available, but set to "none". Need to
32 // init on first use of hierarchical barrier.
33 if (TCR_1(machine_hierarchy.uninitialized)(machine_hierarchy.uninitialized))
34 machine_hierarchy.init(NULL__null, nproc);
35
36 // Adjust the hierarchy in case num threads exceeds original
37 if (nproc > machine_hierarchy.base_num_threads)
38 machine_hierarchy.resize(nproc);
39
40 depth = machine_hierarchy.depth;
41 KMP_DEBUG_ASSERT(depth > 0)((depth > 0) ? 0 : __kmp_debug_assert("depth > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 41))
;
42
43 thr_bar->depth = depth;
44 thr_bar->base_leaf_kids = (kmp_uint8)machine_hierarchy.numPerLevel[0] - 1;
45 thr_bar->skip_per_level = machine_hierarchy.skipPerLevel;
46}
47
48#if KMP_AFFINITY_SUPPORTED1
49
50bool KMPAffinity::picked_api = false;
51
52void *KMPAffinity::Mask::operator new(size_t n) { return __kmp_allocate(n)___kmp_allocate((n), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 52)
; }
53void *KMPAffinity::Mask::operator new[](size_t n) { return __kmp_allocate(n)___kmp_allocate((n), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 53)
; }
54void KMPAffinity::Mask::operator delete(void *p) { __kmp_free(p)___kmp_free((p), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 54)
; }
55void KMPAffinity::Mask::operator delete[](void *p) { __kmp_free(p)___kmp_free((p), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 55)
; }
56void *KMPAffinity::operator new(size_t n) { return __kmp_allocate(n)___kmp_allocate((n), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 56)
; }
57void KMPAffinity::operator delete(void *p) { __kmp_free(p)___kmp_free((p), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 57)
; }
58
59void KMPAffinity::pick_api() {
60 KMPAffinity *affinity_dispatch;
61 if (picked_api)
62 return;
63#if KMP_USE_HWLOC0
64 // Only use Hwloc if affinity isn't explicitly disabled and
65 // user requests Hwloc topology method
66 if (__kmp_affinity_top_method == affinity_top_method_hwloc &&
67 __kmp_affinity_type != affinity_disabled) {
68 affinity_dispatch = new KMPHwlocAffinity();
69 } else
70#endif
71 {
72 affinity_dispatch = new KMPNativeAffinity();
73 }
74 __kmp_affinity_dispatch = affinity_dispatch;
75 picked_api = true;
76}
77
78void KMPAffinity::destroy_api() {
79 if (__kmp_affinity_dispatch != NULL__null) {
80 delete __kmp_affinity_dispatch;
81 __kmp_affinity_dispatch = NULL__null;
82 picked_api = false;
83 }
84}
85
86// Print the affinity mask to the character array in a pretty format.
87char *__kmp_affinity_print_mask(char *buf, int buf_len,
88 kmp_affin_mask_t *mask) {
89 KMP_ASSERT(buf_len >= 40)((buf_len >= 40) ? 0 : __kmp_debug_assert("buf_len >= 40"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 89))
;
90 char *scan = buf;
91 char *end = buf + buf_len - 1;
92
93 // Find first element / check for empty set.
94 size_t i;
95 i = mask->begin();
96 if (i == mask->end()) {
97 KMP_SNPRINTFsnprintf(scan, end - scan + 1, "{<empty>}");
98 while (*scan != '\0')
99 scan++;
100 KMP_ASSERT(scan <= end)((scan <= end) ? 0 : __kmp_debug_assert("scan <= end", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 100))
;
101 return buf;
102 }
103
104 KMP_SNPRINTFsnprintf(scan, end - scan + 1, "{%ld", (long)i);
105 while (*scan != '\0')
106 scan++;
107 i++;
108 for (; i != mask->end(); i = mask->next(i)) {
109 if (!KMP_CPU_ISSET(i, mask)(mask)->is_set(i)) {
110 continue;
111 }
112
113 // Check for buffer overflow. A string of the form ",<n>" will have at most
114 // 10 characters, plus we want to leave room to print ",...}" if the set is
115 // too large to print for a total of 15 characters. We already left room for
116 // '\0' in setting end.
117 if (end - scan < 15) {
118 break;
119 }
120 KMP_SNPRINTFsnprintf(scan, end - scan + 1, ",%-ld", (long)i);
121 while (*scan != '\0')
122 scan++;
123 }
124 if (i != mask->end()) {
125 KMP_SNPRINTFsnprintf(scan, end - scan + 1, ",...");
126 while (*scan != '\0')
127 scan++;
128 }
129 KMP_SNPRINTFsnprintf(scan, end - scan + 1, "}");
130 while (*scan != '\0')
131 scan++;
132 KMP_ASSERT(scan <= end)((scan <= end) ? 0 : __kmp_debug_assert("scan <= end", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 132))
;
133 return buf;
134}
135
136void __kmp_affinity_entire_machine_mask(kmp_affin_mask_t *mask) {
137 KMP_CPU_ZERO(mask)(mask)->zero();
138
139#if KMP_GROUP_AFFINITY0
140
141 if (__kmp_num_proc_groups > 1) {
142 int group;
143 KMP_DEBUG_ASSERT(__kmp_GetActiveProcessorCount != NULL)((__kmp_GetActiveProcessorCount != __null) ? 0 : __kmp_debug_assert
("__kmp_GetActiveProcessorCount != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 143))
;
144 for (group = 0; group < __kmp_num_proc_groups; group++) {
145 int i;
146 int num = __kmp_GetActiveProcessorCount(group);
147 for (i = 0; i < num; i++) {
148 KMP_CPU_SET(i + group * (CHAR_BIT * sizeof(DWORD_PTR)), mask)(mask)->set(i + group * (8 * sizeof(DWORD_PTR)));
149 }
150 }
151 } else
152
153#endif /* KMP_GROUP_AFFINITY */
154
155 {
156 int proc;
157 for (proc = 0; proc < __kmp_xproc; proc++) {
158 KMP_CPU_SET(proc, mask)(mask)->set(proc);
159 }
160 }
161}
162
163// When sorting by labels, __kmp_affinity_assign_child_nums() must first be
164// called to renumber the labels from [0..n] and place them into the child_num
165// vector of the address object. This is done in case the labels used for
166// the children at one node of the hierarchy differ from those used for
167// another node at the same level. Example: suppose the machine has 2 nodes
168// with 2 packages each. The first node contains packages 601 and 602, and
169// second node contains packages 603 and 604. If we try to sort the table
170// for "scatter" affinity, the table will still be sorted 601, 602, 603, 604
171// because we are paying attention to the labels themselves, not the ordinal
172// child numbers. By using the child numbers in the sort, the result is
173// {0,0}=601, {0,1}=603, {1,0}=602, {1,1}=604.
174static void __kmp_affinity_assign_child_nums(AddrUnsPair *address2os,
175 int numAddrs) {
176 KMP_DEBUG_ASSERT(numAddrs > 0)((numAddrs > 0) ? 0 : __kmp_debug_assert("numAddrs > 0"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 176))
;
177 int depth = address2os->first.depth;
178 unsigned *counts = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 178)
;
179 unsigned *lastLabel = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 179)
;
180 int labCt;
181 for (labCt = 0; labCt < depth; labCt++) {
182 address2os[0].first.childNums[labCt] = counts[labCt] = 0;
183 lastLabel[labCt] = address2os[0].first.labels[labCt];
184 }
185 int i;
186 for (i = 1; i < numAddrs; i++) {
187 for (labCt = 0; labCt < depth; labCt++) {
188 if (address2os[i].first.labels[labCt] != lastLabel[labCt]) {
189 int labCt2;
190 for (labCt2 = labCt + 1; labCt2 < depth; labCt2++) {
191 counts[labCt2] = 0;
192 lastLabel[labCt2] = address2os[i].first.labels[labCt2];
193 }
194 counts[labCt]++;
195 lastLabel[labCt] = address2os[i].first.labels[labCt];
196 break;
197 }
198 }
199 for (labCt = 0; labCt < depth; labCt++) {
200 address2os[i].first.childNums[labCt] = counts[labCt];
201 }
202 for (; labCt < (int)Address::maxDepth; labCt++) {
203 address2os[i].first.childNums[labCt] = 0;
204 }
205 }
206 __kmp_free(lastLabel)___kmp_free((lastLabel), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 206)
;
207 __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 207)
;
208}
209
210// All of the __kmp_affinity_create_*_map() routines should set
211// __kmp_affinity_masks to a vector of affinity mask objects of length
212// __kmp_affinity_num_masks, if __kmp_affinity_type != affinity_none, and return
213// the number of levels in the machine topology tree (zero if
214// __kmp_affinity_type == affinity_none).
215//
216// All of the __kmp_affinity_create_*_map() routines should set
217// *__kmp_affin_fullMask to the affinity mask for the initialization thread.
218// They need to save and restore the mask, and it could be needed later, so
219// saving it is just an optimization to avoid calling kmp_get_system_affinity()
220// again.
221kmp_affin_mask_t *__kmp_affin_fullMask = NULL__null;
222
223static int nCoresPerPkg, nPackages;
224static int __kmp_nThreadsPerCore;
225#ifndef KMP_DFLT_NTH_CORES
226static int __kmp_ncores;
227#endif
228static int *__kmp_pu_os_idx = NULL__null;
229
230// __kmp_affinity_uniform_topology() doesn't work when called from
231// places which support arbitrarily many levels in the machine topology
232// map, i.e. the non-default cases in __kmp_affinity_create_cpuinfo_map()
233// __kmp_affinity_create_x2apicid_map().
234inline static bool __kmp_affinity_uniform_topology() {
235 return __kmp_avail_proc == (__kmp_nThreadsPerCore * nCoresPerPkg * nPackages);
236}
237
238// Print out the detailed machine topology map, i.e. the physical locations
239// of each OS proc.
240static void __kmp_affinity_print_topology(AddrUnsPair *address2os, int len,
241 int depth, int pkgLevel,
242 int coreLevel, int threadLevel) {
243 int proc;
244
245 KMP_INFORM(OSProcToPhysicalThreadMap, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcToPhysicalThreadMap
, "KMP_AFFINITY"), __kmp_msg_null)
;
246 for (proc = 0; proc < len; proc++) {
247 int level;
248 kmp_str_buf_t buf;
249 __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size
= sizeof((&buf)->bulk); (&buf)->used = 0; (&
buf)->bulk[0] = 0; }
;
250 for (level = 0; level < depth; level++) {
251 if (level == threadLevel) {
252 __kmp_str_buf_print(&buf, "%s ", KMP_I18N_STR(Thread)__kmp_i18n_catgets(kmp_i18n_str_Thread));
253 } else if (level == coreLevel) {
254 __kmp_str_buf_print(&buf, "%s ", KMP_I18N_STR(Core)__kmp_i18n_catgets(kmp_i18n_str_Core));
255 } else if (level == pkgLevel) {
256 __kmp_str_buf_print(&buf, "%s ", KMP_I18N_STR(Package)__kmp_i18n_catgets(kmp_i18n_str_Package));
257 } else if (level > pkgLevel) {
258 __kmp_str_buf_print(&buf, "%s_%d ", KMP_I18N_STR(Node)__kmp_i18n_catgets(kmp_i18n_str_Node),
259 level - pkgLevel - 1);
260 } else {
261 __kmp_str_buf_print(&buf, "L%d ", level);
262 }
263 __kmp_str_buf_print(&buf, "%d ", address2os[proc].first.labels[level]);
264 }
265 KMP_INFORM(OSProcMapToPack, "KMP_AFFINITY", address2os[proc].second,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcMapToPack
, "KMP_AFFINITY", address2os[proc].second, buf.str), __kmp_msg_null
)
266 buf.str)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcMapToPack
, "KMP_AFFINITY", address2os[proc].second, buf.str), __kmp_msg_null
)
;
267 __kmp_str_buf_free(&buf);
268 }
269}
270
271#if KMP_USE_HWLOC0
272
273static void __kmp_affinity_print_hwloc_tp(AddrUnsPair *addrP, int len,
274 int depth, int *levels) {
275 int proc;
276 kmp_str_buf_t buf;
277 __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size
= sizeof((&buf)->bulk); (&buf)->used = 0; (&
buf)->bulk[0] = 0; }
;
278 KMP_INFORM(OSProcToPhysicalThreadMap, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcToPhysicalThreadMap
, "KMP_AFFINITY"), __kmp_msg_null)
;
279 for (proc = 0; proc < len; proc++) {
280 __kmp_str_buf_print(&buf, "%s %d ", KMP_I18N_STR(Package)__kmp_i18n_catgets(kmp_i18n_str_Package),
281 addrP[proc].first.labels[0]);
282 if (depth > 1) {
283 int level = 1; // iterate over levels
284 int label = 1; // iterate over labels
285 if (__kmp_numa_detected)
286 // node level follows package
287 if (levels[level++] > 0)
288 __kmp_str_buf_print(&buf, "%s %d ", KMP_I18N_STR(Node)__kmp_i18n_catgets(kmp_i18n_str_Node),
289 addrP[proc].first.labels[label++]);
290 if (__kmp_tile_depth > 0)
291 // tile level follows node if any, or package
292 if (levels[level++] > 0)
293 __kmp_str_buf_print(&buf, "%s %d ", KMP_I18N_STR(Tile)__kmp_i18n_catgets(kmp_i18n_str_Tile),
294 addrP[proc].first.labels[label++]);
295 if (levels[level++] > 0)
296 // core level follows
297 __kmp_str_buf_print(&buf, "%s %d ", KMP_I18N_STR(Core)__kmp_i18n_catgets(kmp_i18n_str_Core),
298 addrP[proc].first.labels[label++]);
299 if (levels[level++] > 0)
300 // thread level is the latest
301 __kmp_str_buf_print(&buf, "%s %d ", KMP_I18N_STR(Thread)__kmp_i18n_catgets(kmp_i18n_str_Thread),
302 addrP[proc].first.labels[label++]);
303 KMP_DEBUG_ASSERT(label == depth)((label == depth) ? 0 : __kmp_debug_assert("label == depth", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 303))
;
304 }
305 KMP_INFORM(OSProcMapToPack, "KMP_AFFINITY", addrP[proc].second, buf.str)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcMapToPack
, "KMP_AFFINITY", addrP[proc].second, buf.str), __kmp_msg_null
)
;
306 __kmp_str_buf_clear(&buf);
307 }
308 __kmp_str_buf_free(&buf);
309}
310
311static int nNodePerPkg, nTilePerPkg, nTilePerNode, nCorePerNode, nCorePerTile;
312
313// This function removes the topology levels that are radix 1 and don't offer
314// further information about the topology. The most common example is when you
315// have one thread context per core, we don't want the extra thread context
316// level if it offers no unique labels. So they are removed.
317// return value: the new depth of address2os
318static int __kmp_affinity_remove_radix_one_levels(AddrUnsPair *addrP, int nTh,
319 int depth, int *levels) {
320 int level;
321 int i;
322 int radix1_detected;
323 int new_depth = depth;
324 for (level = depth - 1; level > 0; --level) {
325 // Detect if this level is radix 1
326 radix1_detected = 1;
327 for (i = 1; i < nTh; ++i) {
328 if (addrP[0].first.labels[level] != addrP[i].first.labels[level]) {
329 // There are differing label values for this level so it stays
330 radix1_detected = 0;
331 break;
332 }
333 }
334 if (!radix1_detected)
335 continue;
336 // Radix 1 was detected
337 --new_depth;
338 levels[level] = -1; // mark level as not present in address2os array
339 if (level == new_depth) {
340 // "turn off" deepest level, just decrement the depth that removes
341 // the level from address2os array
342 for (i = 0; i < nTh; ++i) {
343 addrP[i].first.depth--;
344 }
345 } else {
346 // For other levels, we move labels over and also reduce the depth
347 int j;
348 for (j = level; j < new_depth; ++j) {
349 for (i = 0; i < nTh; ++i) {
350 addrP[i].first.labels[j] = addrP[i].first.labels[j + 1];
351 addrP[i].first.depth--;
352 }
353 levels[j + 1] -= 1;
354 }
355 }
356 }
357 return new_depth;
358}
359
360// Returns the number of objects of type 'type' below 'obj' within the topology
361// tree structure. e.g., if obj is a HWLOC_OBJ_PACKAGE object, and type is
362// HWLOC_OBJ_PU, then this will return the number of PU's under the SOCKET
363// object.
364static int __kmp_hwloc_get_nobjs_under_obj(hwloc_obj_t obj,
365 hwloc_obj_type_t type) {
366 int retval = 0;
367 hwloc_obj_t first;
368 for (first = hwloc_get_obj_below_by_type(__kmp_hwloc_topology, obj->type,
369 obj->logical_index, type, 0);
370 first != NULL__null &&
371 hwloc_get_ancestor_obj_by_type(__kmp_hwloc_topology, obj->type, first) ==
372 obj;
373 first = hwloc_get_next_obj_by_type(__kmp_hwloc_topology, first->type,
374 first)) {
375 ++retval;
376 }
377 return retval;
378}
379
380static int __kmp_hwloc_count_children_by_depth(hwloc_topology_t t,
381 hwloc_obj_t o, unsigned depth,
382 hwloc_obj_t *f) {
383 if (o->depth == depth) {
384 if (*f == NULL__null)
385 *f = o; // output first descendant found
386 return 1;
387 }
388 int sum = 0;
389 for (unsigned i = 0; i < o->arity; i++)
390 sum += __kmp_hwloc_count_children_by_depth(t, o->children[i], depth, f);
391 return sum; // will be 0 if no one found (as PU arity is 0)
392}
393
394static int __kmp_hwloc_count_children_by_type(hwloc_topology_t t, hwloc_obj_t o,
395 hwloc_obj_type_t type,
396 hwloc_obj_t *f) {
397 if (!hwloc_compare_types(o->type, type)) {
398 if (*f == NULL__null)
399 *f = o; // output first descendant found
400 return 1;
401 }
402 int sum = 0;
403 for (unsigned i = 0; i < o->arity; i++)
404 sum += __kmp_hwloc_count_children_by_type(t, o->children[i], type, f);
405 return sum; // will be 0 if no one found (as PU arity is 0)
406}
407
408static int __kmp_hwloc_process_obj_core_pu(AddrUnsPair *addrPair,
409 int &nActiveThreads,
410 int &num_active_cores,
411 hwloc_obj_t obj, int depth,
412 int *labels) {
413 hwloc_obj_t core = NULL__null;
414 hwloc_topology_t &tp = __kmp_hwloc_topology;
415 int NC = __kmp_hwloc_count_children_by_type(tp, obj, HWLOC_OBJ_CORE, &core);
416 for (int core_id = 0; core_id < NC; ++core_id, core = core->next_cousin) {
417 hwloc_obj_t pu = NULL__null;
418 KMP_DEBUG_ASSERT(core != NULL)((core != __null) ? 0 : __kmp_debug_assert("core != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 418))
;
419 int num_active_threads = 0;
420 int NT = __kmp_hwloc_count_children_by_type(tp, core, HWLOC_OBJ_PU, &pu);
421 // int NT = core->arity; pu = core->first_child; // faster?
422 for (int pu_id = 0; pu_id < NT; ++pu_id, pu = pu->next_cousin) {
423 KMP_DEBUG_ASSERT(pu != NULL)((pu != __null) ? 0 : __kmp_debug_assert("pu != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 423))
;
424 if (!KMP_CPU_ISSET(pu->os_index, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(pu->os_index))
425 continue; // skip inactive (inaccessible) unit
426 Address addr(depth + 2);
427 KA_TRACE(20, ("Hwloc inserting %d (%d) %d (%d) %d (%d) into address2os\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("Hwloc inserting %d (%d) %d (%d) %d (%d) into address2os\n"
, obj->os_index, obj->logical_index, core->os_index,
core->logical_index, pu->os_index, pu->logical_index
); }
428 obj->os_index, obj->logical_index, core->os_index,if (kmp_a_debug >= 20) { __kmp_debug_printf ("Hwloc inserting %d (%d) %d (%d) %d (%d) into address2os\n"
, obj->os_index, obj->logical_index, core->os_index,
core->logical_index, pu->os_index, pu->logical_index
); }
429 core->logical_index, pu->os_index, pu->logical_index))if (kmp_a_debug >= 20) { __kmp_debug_printf ("Hwloc inserting %d (%d) %d (%d) %d (%d) into address2os\n"
, obj->os_index, obj->logical_index, core->os_index,
core->logical_index, pu->os_index, pu->logical_index
); }
;
430 for (int i = 0; i < depth; ++i)
431 addr.labels[i] = labels[i]; // package, etc.
432 addr.labels[depth] = core_id; // core
433 addr.labels[depth + 1] = pu_id; // pu
434 addrPair[nActiveThreads] = AddrUnsPair(addr, pu->os_index);
435 __kmp_pu_os_idx[nActiveThreads] = pu->os_index;
436 nActiveThreads++;
437 ++num_active_threads; // count active threads per core
438 }
439 if (num_active_threads) { // were there any active threads on the core?
440 ++__kmp_ncores; // count total active cores
441 ++num_active_cores; // count active cores per socket
442 if (num_active_threads > __kmp_nThreadsPerCore)
443 __kmp_nThreadsPerCore = num_active_threads; // calc maximum
444 }
445 }
446 return 0;
447}
448
449// Check if NUMA node detected below the package,
450// and if tile object is detected and return its depth
451static int __kmp_hwloc_check_numa() {
452 hwloc_topology_t &tp = __kmp_hwloc_topology;
453 hwloc_obj_t hT, hC, hL, hN, hS; // hwloc objects (pointers to)
454 int depth;
455
456 // Get some PU
457 hT = hwloc_get_obj_by_type(tp, HWLOC_OBJ_PU, 0);
458 if (hT == NULL__null) // something has gone wrong
459 return 1;
460
461 // check NUMA node below PACKAGE
462 hN = hwloc_get_ancestor_obj_by_type(tp, HWLOC_OBJ_NUMANODE, hT);
463 hS = hwloc_get_ancestor_obj_by_type(tp, HWLOC_OBJ_PACKAGE, hT);
464 KMP_DEBUG_ASSERT(hS != NULL)((hS != __null) ? 0 : __kmp_debug_assert("hS != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 464))
;
465 if (hN != NULL__null && hN->depth > hS->depth) {
466 __kmp_numa_detected = TRUE(!0); // socket includes node(s)
467 if (__kmp_affinity_gran == affinity_gran_node) {
468 __kmp_affinity_gran == affinity_gran_numa;
469 }
470 }
471
472 // check tile, get object by depth because of multiple caches possible
473 depth = hwloc_get_cache_type_depth(tp, 2, HWLOC_OBJ_CACHE_UNIFIED);
474 hL = hwloc_get_ancestor_obj_by_depth(tp, depth, hT);
475 hC = NULL__null; // not used, but reset it here just in case
476 if (hL != NULL__null &&
477 __kmp_hwloc_count_children_by_type(tp, hL, HWLOC_OBJ_CORE, &hC) > 1)
478 __kmp_tile_depth = depth; // tile consists of multiple cores
479 return 0;
480}
481
482static int __kmp_affinity_create_hwloc_map(AddrUnsPair **address2os,
483 kmp_i18n_id_t *const msg_id) {
484 hwloc_topology_t &tp = __kmp_hwloc_topology; // shortcut of a long name
485 *address2os = NULL__null;
486 *msg_id = kmp_i18n_null;
487
488 // Save the affinity mask for the current thread.
489 kmp_affin_mask_t *oldMask;
490 KMP_CPU_ALLOC(oldMask)(oldMask = __kmp_affinity_dispatch->allocate_mask());
491 __kmp_get_system_affinity(oldMask, TRUE)(oldMask)->get_system_affinity((!0));
492 __kmp_hwloc_check_numa();
493
494 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
495 // Hack to try and infer the machine topology using only the data
496 // available from cpuid on the current thread, and __kmp_xproc.
497 KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert
("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 497))
;
498
499 nCoresPerPkg = __kmp_hwloc_get_nobjs_under_obj(
500 hwloc_get_obj_by_type(tp, HWLOC_OBJ_PACKAGE, 0), HWLOC_OBJ_CORE);
501 __kmp_nThreadsPerCore = __kmp_hwloc_get_nobjs_under_obj(
502 hwloc_get_obj_by_type(tp, HWLOC_OBJ_CORE, 0), HWLOC_OBJ_PU);
503 __kmp_ncores = __kmp_xproc / __kmp_nThreadsPerCore;
504 nPackages = (__kmp_xproc + nCoresPerPkg - 1) / nCoresPerPkg;
505 if (__kmp_affinity_verbose) {
506 KMP_INFORM(AffNotCapableUseLocCpuidL11, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffNotCapableUseLocCpuidL11
, "KMP_AFFINITY"), __kmp_msg_null)
;
507 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
508 if (__kmp_affinity_uniform_topology()) {
509 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
510 } else {
511 KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
512 }
513 KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
514 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
515 }
516 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
517 return 0;
518 }
519
520 int depth = 3;
521 int levels[5] = {0, 1, 2, 3, 4}; // package, [node,] [tile,] core, thread
522 int labels[3] = {0}; // package [,node] [,tile] - head of lables array
523 if (__kmp_numa_detected)
524 ++depth;
525 if (__kmp_tile_depth)
526 ++depth;
527
528 // Allocate the data structure to be returned.
529 AddrUnsPair *retval =
530 (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) * __kmp_avail_proc)___kmp_allocate((sizeof(AddrUnsPair) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 530)
;
531 KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 531))
;
532 __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 532)
;
533
534 // When affinity is off, this routine will still be called to set
535 // __kmp_ncores, as well as __kmp_nThreadsPerCore,
536 // nCoresPerPkg, & nPackages. Make sure all these vars are set
537 // correctly, and return if affinity is not enabled.
538
539 hwloc_obj_t socket, node, tile;
540 int nActiveThreads = 0;
541 int socket_id = 0;
542 // re-calculate globals to count only accessible resources
543 __kmp_ncores = nPackages = nCoresPerPkg = __kmp_nThreadsPerCore = 0;
544 nNodePerPkg = nTilePerPkg = nTilePerNode = nCorePerNode = nCorePerTile = 0;
545 for (socket = hwloc_get_obj_by_type(tp, HWLOC_OBJ_PACKAGE, 0); socket != NULL__null;
546 socket = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PACKAGE, socket),
547 socket_id++) {
548 labels[0] = socket_id;
549 if (__kmp_numa_detected) {
550 int NN;
551 int n_active_nodes = 0;
552 node = NULL__null;
553 NN = __kmp_hwloc_count_children_by_type(tp, socket, HWLOC_OBJ_NUMANODE,
554 &node);
555 for (int node_id = 0; node_id < NN; ++node_id, node = node->next_cousin) {
556 labels[1] = node_id;
557 if (__kmp_tile_depth) {
558 // NUMA + tiles
559 int NT;
560 int n_active_tiles = 0;
561 tile = NULL__null;
562 NT = __kmp_hwloc_count_children_by_depth(tp, node, __kmp_tile_depth,
563 &tile);
564 for (int tl_id = 0; tl_id < NT; ++tl_id, tile = tile->next_cousin) {
565 labels[2] = tl_id;
566 int n_active_cores = 0;
567 __kmp_hwloc_process_obj_core_pu(retval, nActiveThreads,
568 n_active_cores, tile, 3, labels);
569 if (n_active_cores) { // were there any active cores on the socket?
570 ++n_active_tiles; // count active tiles per node
571 if (n_active_cores > nCorePerTile)
572 nCorePerTile = n_active_cores; // calc maximum
573 }
574 }
575 if (n_active_tiles) { // were there any active tiles on the socket?
576 ++n_active_nodes; // count active nodes per package
577 if (n_active_tiles > nTilePerNode)
578 nTilePerNode = n_active_tiles; // calc maximum
579 }
580 } else {
581 // NUMA, no tiles
582 int n_active_cores = 0;
583 __kmp_hwloc_process_obj_core_pu(retval, nActiveThreads,
584 n_active_cores, node, 2, labels);
585 if (n_active_cores) { // were there any active cores on the socket?
586 ++n_active_nodes; // count active nodes per package
587 if (n_active_cores > nCorePerNode)
588 nCorePerNode = n_active_cores; // calc maximum
589 }
590 }
591 }
592 if (n_active_nodes) { // were there any active nodes on the socket?
593 ++nPackages; // count total active packages
594 if (n_active_nodes > nNodePerPkg)
595 nNodePerPkg = n_active_nodes; // calc maximum
596 }
597 } else {
598 if (__kmp_tile_depth) {
599 // no NUMA, tiles
600 int NT;
601 int n_active_tiles = 0;
602 tile = NULL__null;
603 NT = __kmp_hwloc_count_children_by_depth(tp, socket, __kmp_tile_depth,
604 &tile);
605 for (int tl_id = 0; tl_id < NT; ++tl_id, tile = tile->next_cousin) {
606 labels[1] = tl_id;
607 int n_active_cores = 0;
608 __kmp_hwloc_process_obj_core_pu(retval, nActiveThreads,
609 n_active_cores, tile, 2, labels);
610 if (n_active_cores) { // were there any active cores on the socket?
611 ++n_active_tiles; // count active tiles per package
612 if (n_active_cores > nCorePerTile)
613 nCorePerTile = n_active_cores; // calc maximum
614 }
615 }
616 if (n_active_tiles) { // were there any active tiles on the socket?
617 ++nPackages; // count total active packages
618 if (n_active_tiles > nTilePerPkg)
619 nTilePerPkg = n_active_tiles; // calc maximum
620 }
621 } else {
622 // no NUMA, no tiles
623 int n_active_cores = 0;
624 __kmp_hwloc_process_obj_core_pu(retval, nActiveThreads, n_active_cores,
625 socket, 1, labels);
626 if (n_active_cores) { // were there any active cores on the socket?
627 ++nPackages; // count total active packages
628 if (n_active_cores > nCoresPerPkg)
629 nCoresPerPkg = n_active_cores; // calc maximum
630 }
631 }
632 }
633 }
634
635 // If there's only one thread context to bind to, return now.
636 KMP_DEBUG_ASSERT(nActiveThreads == __kmp_avail_proc)((nActiveThreads == __kmp_avail_proc) ? 0 : __kmp_debug_assert
("nActiveThreads == __kmp_avail_proc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 636))
;
637 KMP_ASSERT(nActiveThreads > 0)((nActiveThreads > 0) ? 0 : __kmp_debug_assert("nActiveThreads > 0"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 637))
;
638 if (nActiveThreads == 1) {
639 __kmp_ncores = nPackages = 1;
640 __kmp_nThreadsPerCore = nCoresPerPkg = 1;
641 if (__kmp_affinity_verbose) {
642 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
643 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask);
644
645 KMP_INFORM(AffUsingHwloc, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUsingHwloc
, "KMP_AFFINITY"), __kmp_msg_null)
;
646 if (__kmp_affinity_respect_mask) {
647 KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
648 } else {
649 KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
650 }
651 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
652 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
653 KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
654 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
655 }
656
657 if (__kmp_affinity_type == affinity_none) {
658 __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 658)
;
659 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
660 return 0;
661 }
662
663 // Form an Address object which only includes the package level.
664 Address addr(1);
665 addr.labels[0] = retval[0].first.labels[0];
666 retval[0].first = addr;
667
668 if (__kmp_affinity_gran_levels < 0) {
669 __kmp_affinity_gran_levels = 0;
670 }
671
672 if (__kmp_affinity_verbose) {
673 __kmp_affinity_print_topology(retval, 1, 1, 0, -1, -1);
674 }
675
676 *address2os = retval;
677 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
678 return 1;
679 }
680
681 // Sort the table by physical Id.
682 qsort(retval, nActiveThreads, sizeof(*retval),
683 __kmp_affinity_cmp_Address_labels);
684
685 // Check to see if the machine topology is uniform
686 int nPUs = nPackages * __kmp_nThreadsPerCore;
687 if (__kmp_numa_detected) {
688 if (__kmp_tile_depth) { // NUMA + tiles
689 nPUs *= (nNodePerPkg * nTilePerNode * nCorePerTile);
690 } else { // NUMA, no tiles
691 nPUs *= (nNodePerPkg * nCorePerNode);
692 }
693 } else {
694 if (__kmp_tile_depth) { // no NUMA, tiles
695 nPUs *= (nTilePerPkg * nCorePerTile);
696 } else { // no NUMA, no tiles
697 nPUs *= nCoresPerPkg;
698 }
699 }
700 unsigned uniform = (nPUs == nActiveThreads);
701
702 // Print the machine topology summary.
703 if (__kmp_affinity_verbose) {
704 char mask[KMP_AFFIN_MASK_PRINT_LEN1024];
705 __kmp_affinity_print_mask(mask, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask);
706 if (__kmp_affinity_respect_mask) {
707 KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", mask)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect
, "KMP_AFFINITY", mask), __kmp_msg_null)
;
708 } else {
709 KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", mask)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect
, "KMP_AFFINITY", mask), __kmp_msg_null)
;
710 }
711 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
712 if (uniform) {
713 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
714 } else {
715 KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
716 }
717 if (__kmp_numa_detected) {
718 if (__kmp_tile_depth) { // NUMA + tiles
719 KMP_INFORM(TopologyExtraNoTi, "KMP_AFFINITY", nPackages, nNodePerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraNoTi
, "KMP_AFFINITY", nPackages, nNodePerPkg, nTilePerNode, nCorePerTile
, __kmp_nThreadsPerCore, __kmp_ncores), __kmp_msg_null)
720 nTilePerNode, nCorePerTile, __kmp_nThreadsPerCore,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraNoTi
, "KMP_AFFINITY", nPackages, nNodePerPkg, nTilePerNode, nCorePerTile
, __kmp_nThreadsPerCore, __kmp_ncores), __kmp_msg_null)
721 __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraNoTi
, "KMP_AFFINITY", nPackages, nNodePerPkg, nTilePerNode, nCorePerTile
, __kmp_nThreadsPerCore, __kmp_ncores), __kmp_msg_null)
;
722 } else { // NUMA, no tiles
723 KMP_INFORM(TopologyExtraNode, "KMP_AFFINITY", nPackages, nNodePerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraNode
, "KMP_AFFINITY", nPackages, nNodePerPkg, nCorePerNode, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
724 nCorePerNode, __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraNode
, "KMP_AFFINITY", nPackages, nNodePerPkg, nCorePerNode, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
725 nPUs *= (nNodePerPkg * nCorePerNode);
726 }
727 } else {
728 if (__kmp_tile_depth) { // no NUMA, tiles
729 KMP_INFORM(TopologyExtraTile, "KMP_AFFINITY", nPackages, nTilePerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraTile
, "KMP_AFFINITY", nPackages, nTilePerPkg, nCorePerTile, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
730 nCorePerTile, __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraTile
, "KMP_AFFINITY", nPackages, nTilePerPkg, nCorePerTile, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
731 } else { // no NUMA, no tiles
732 kmp_str_buf_t buf;
733 __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size
= sizeof((&buf)->bulk); (&buf)->used = 0; (&
buf)->bulk[0] = 0; }
;
734 __kmp_str_buf_print(&buf, "%d", nPackages);
735 KMP_INFORM(TopologyExtra, "KMP_AFFINITY", buf.str, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra
, "KMP_AFFINITY", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
736 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra
, "KMP_AFFINITY", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
737 __kmp_str_buf_free(&buf);
738 }
739 }
740 }
741
742 if (__kmp_affinity_type == affinity_none) {
743 __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 743)
;
744 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
745 return 0;
746 }
747
748 int depth_full = depth; // number of levels before compressing
749 // Find any levels with radiix 1, and remove them from the map
750 // (except for the package level).
751 depth = __kmp_affinity_remove_radix_one_levels(retval, nActiveThreads, depth,
752 levels);
753 KMP_DEBUG_ASSERT(__kmp_affinity_gran != affinity_gran_default)((__kmp_affinity_gran != affinity_gran_default) ? 0 : __kmp_debug_assert
("__kmp_affinity_gran != affinity_gran_default", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 753))
;
754 if (__kmp_affinity_gran_levels < 0) {
755 // Set the granularity level based on what levels are modeled
756 // in the machine topology map.
757 __kmp_affinity_gran_levels = 0; // lowest level (e.g. fine)
758 if (__kmp_affinity_gran > affinity_gran_thread) {
759 for (int i = 1; i <= depth_full; ++i) {
760 if (__kmp_affinity_gran <= i) // only count deeper levels
761 break;
762 if (levels[depth_full - i] > 0)
763 __kmp_affinity_gran_levels++;
764 }
765 }
766 if (__kmp_affinity_gran > affinity_gran_package)
767 __kmp_affinity_gran_levels++; // e.g. granularity = group
768 }
769
770 if (__kmp_affinity_verbose)
771 __kmp_affinity_print_hwloc_tp(retval, nActiveThreads, depth, levels);
772
773 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
774 *address2os = retval;
775 return depth;
776}
777#endif // KMP_USE_HWLOC
778
779// If we don't know how to retrieve the machine's processor topology, or
780// encounter an error in doing so, this routine is called to form a "flat"
781// mapping of os thread id's <-> processor id's.
782static int __kmp_affinity_create_flat_map(AddrUnsPair **address2os,
783 kmp_i18n_id_t *const msg_id) {
784 *address2os = NULL__null;
785 *msg_id = kmp_i18n_null;
786
787 // Even if __kmp_affinity_type == affinity_none, this routine might still
788 // called to set __kmp_ncores, as well as
789 // __kmp_nThreadsPerCore, nCoresPerPkg, & nPackages.
790 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
791 KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert
("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 791))
;
792 __kmp_ncores = nPackages = __kmp_xproc;
793 __kmp_nThreadsPerCore = nCoresPerPkg = 1;
794 if (__kmp_affinity_verbose) {
795 KMP_INFORM(AffFlatTopology, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffFlatTopology
, "KMP_AFFINITY"), __kmp_msg_null)
;
796 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
797 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
798 KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
799 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
800 }
801 return 0;
802 }
803
804 // When affinity is off, this routine will still be called to set
805 // __kmp_ncores, as well as __kmp_nThreadsPerCore, nCoresPerPkg, & nPackages.
806 // Make sure all these vars are set correctly, and return now if affinity is
807 // not enabled.
808 __kmp_ncores = nPackages = __kmp_avail_proc;
809 __kmp_nThreadsPerCore = nCoresPerPkg = 1;
810 if (__kmp_affinity_verbose) {
811 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
812 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024,
813 __kmp_affin_fullMask);
814
815 KMP_INFORM(AffCapableUseFlat, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffCapableUseFlat
, "KMP_AFFINITY"), __kmp_msg_null)
;
816 if (__kmp_affinity_respect_mask) {
817 KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
818 } else {
819 KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
820 }
821 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
822 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
823 KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
824 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
825 }
826 KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 826))
;
827 __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 827)
;
828 if (__kmp_affinity_type == affinity_none) {
829 int avail_ct = 0;
830 int i;
831 KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask)for (i = (__kmp_affin_fullMask)->begin(); i != (__kmp_affin_fullMask
)->end(); i = (__kmp_affin_fullMask)->next(i))
{
832 if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(i))
833 continue;
834 __kmp_pu_os_idx[avail_ct++] = i; // suppose indices are flat
835 }
836 return 0;
837 }
838
839 // Contruct the data structure to be returned.
840 *address2os =
841 (AddrUnsPair *)__kmp_allocate(sizeof(**address2os) * __kmp_avail_proc)___kmp_allocate((sizeof(**address2os) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 841)
;
842 int avail_ct = 0;
843 unsigned int i;
844 KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask)for (i = (__kmp_affin_fullMask)->begin(); i != (__kmp_affin_fullMask
)->end(); i = (__kmp_affin_fullMask)->next(i))
{
845 // Skip this proc if it is not included in the machine model.
846 if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(i)) {
847 continue;
848 }
849 __kmp_pu_os_idx[avail_ct] = i; // suppose indices are flat
850 Address addr(1);
851 addr.labels[0] = i;
852 (*address2os)[avail_ct++] = AddrUnsPair(addr, i);
853 }
854 if (__kmp_affinity_verbose) {
855 KMP_INFORM(OSProcToPackage, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcToPackage
, "KMP_AFFINITY"), __kmp_msg_null)
;
856 }
857
858 if (__kmp_affinity_gran_levels < 0) {
859 // Only the package level is modeled in the machine topology map,
860 // so the #levels of granularity is either 0 or 1.
861 if (__kmp_affinity_gran > affinity_gran_package) {
862 __kmp_affinity_gran_levels = 1;
863 } else {
864 __kmp_affinity_gran_levels = 0;
865 }
866 }
867 return 1;
868}
869
870#if KMP_GROUP_AFFINITY0
871
872// If multiple Windows* OS processor groups exist, we can create a 2-level
873// topology map with the groups at level 0 and the individual procs at level 1.
874// This facilitates letting the threads float among all procs in a group,
875// if granularity=group (the default when there are multiple groups).
876static int __kmp_affinity_create_proc_group_map(AddrUnsPair **address2os,
877 kmp_i18n_id_t *const msg_id) {
878 *address2os = NULL__null;
879 *msg_id = kmp_i18n_null;
880
881 // If we aren't affinity capable, then return now.
882 // The flat mapping will be used.
883 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
884 // FIXME set *msg_id
885 return -1;
886 }
887
888 // Contruct the data structure to be returned.
889 *address2os =
890 (AddrUnsPair *)__kmp_allocate(sizeof(**address2os) * __kmp_avail_proc)___kmp_allocate((sizeof(**address2os) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 890)
;
891 KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 891))
;
892 __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 892)
;
893 int avail_ct = 0;
894 int i;
895 KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask)for (i = (__kmp_affin_fullMask)->begin(); i != (__kmp_affin_fullMask
)->end(); i = (__kmp_affin_fullMask)->next(i))
{
896 // Skip this proc if it is not included in the machine model.
897 if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(i)) {
898 continue;
899 }
900 __kmp_pu_os_idx[avail_ct] = i; // suppose indices are flat
901 Address addr(2);
902 addr.labels[0] = i / (CHAR_BIT8 * sizeof(DWORD_PTR));
903 addr.labels[1] = i % (CHAR_BIT8 * sizeof(DWORD_PTR));
904 (*address2os)[avail_ct++] = AddrUnsPair(addr, i);
905
906 if (__kmp_affinity_verbose) {
907 KMP_INFORM(AffOSProcToGroup, "KMP_AFFINITY", i, addr.labels[0],__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffOSProcToGroup
, "KMP_AFFINITY", i, addr.labels[0], addr.labels[1]), __kmp_msg_null
)
908 addr.labels[1])__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffOSProcToGroup
, "KMP_AFFINITY", i, addr.labels[0], addr.labels[1]), __kmp_msg_null
)
;
909 }
910 }
911
912 if (__kmp_affinity_gran_levels < 0) {
913 if (__kmp_affinity_gran == affinity_gran_group) {
914 __kmp_affinity_gran_levels = 1;
915 } else if ((__kmp_affinity_gran == affinity_gran_fine) ||
916 (__kmp_affinity_gran == affinity_gran_thread)) {
917 __kmp_affinity_gran_levels = 0;
918 } else {
919 const char *gran_str = NULL__null;
920 if (__kmp_affinity_gran == affinity_gran_core) {
921 gran_str = "core";
922 } else if (__kmp_affinity_gran == affinity_gran_package) {
923 gran_str = "package";
924 } else if (__kmp_affinity_gran == affinity_gran_node) {
925 gran_str = "node";
926 } else {
927 KMP_ASSERT(0)((0) ? 0 : __kmp_debug_assert("0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 927))
;
928 }
929
930 // Warning: can't use affinity granularity \"gran\" with group topology
931 // method, using "thread"
932 __kmp_affinity_gran_levels = 0;
933 }
934 }
935 return 2;
936}
937
938#endif /* KMP_GROUP_AFFINITY */
939
940#if KMP_ARCH_X860 || KMP_ARCH_X86_641
941
942static int __kmp_cpuid_mask_width(int count) {
943 int r = 0;
944
945 while ((1 << r) < count)
946 ++r;
947 return r;
948}
949
950class apicThreadInfo {
951public:
952 unsigned osId; // param to __kmp_affinity_bind_thread
953 unsigned apicId; // from cpuid after binding
954 unsigned maxCoresPerPkg; // ""
955 unsigned maxThreadsPerPkg; // ""
956 unsigned pkgId; // inferred from above values
957 unsigned coreId; // ""
958 unsigned threadId; // ""
959};
960
961static int __kmp_affinity_cmp_apicThreadInfo_os_id(const void *a,
962 const void *b) {
963 const apicThreadInfo *aa = (const apicThreadInfo *)a;
964 const apicThreadInfo *bb = (const apicThreadInfo *)b;
965 if (aa->osId < bb->osId)
966 return -1;
967 if (aa->osId > bb->osId)
968 return 1;
969 return 0;
970}
971
972static int __kmp_affinity_cmp_apicThreadInfo_phys_id(const void *a,
973 const void *b) {
974 const apicThreadInfo *aa = (const apicThreadInfo *)a;
975 const apicThreadInfo *bb = (const apicThreadInfo *)b;
976 if (aa->pkgId < bb->pkgId)
977 return -1;
978 if (aa->pkgId > bb->pkgId)
979 return 1;
980 if (aa->coreId < bb->coreId)
981 return -1;
982 if (aa->coreId > bb->coreId)
983 return 1;
984 if (aa->threadId < bb->threadId)
985 return -1;
986 if (aa->threadId > bb->threadId)
987 return 1;
988 return 0;
989}
990
991// On IA-32 architecture and Intel(R) 64 architecture, we attempt to use
992// an algorithm which cycles through the available os threads, setting
993// the current thread's affinity mask to that thread, and then retrieves
994// the Apic Id for each thread context using the cpuid instruction.
995static int __kmp_affinity_create_apicid_map(AddrUnsPair **address2os,
996 kmp_i18n_id_t *const msg_id) {
997 kmp_cpuid buf;
998 int rc;
999 *address2os = NULL__null;
1000 *msg_id = kmp_i18n_null;
1001
1002 // Check if cpuid leaf 4 is supported.
1003 __kmp_x86_cpuid(0, 0, &buf);
1004 if (buf.eax < 4) {
1005 *msg_id = kmp_i18n_str_NoLeaf4Support;
1006 return -1;
1007 }
1008
1009 // The algorithm used starts by setting the affinity to each available thread
1010 // and retrieving info from the cpuid instruction, so if we are not capable of
1011 // calling __kmp_get_system_affinity() and _kmp_get_system_affinity(), then we
1012 // need to do something else - use the defaults that we calculated from
1013 // issuing cpuid without binding to each proc.
1014 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
1015 // Hack to try and infer the machine topology using only the data
1016 // available from cpuid on the current thread, and __kmp_xproc.
1017 KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert
("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1017))
;
1018
1019 // Get an upper bound on the number of threads per package using cpuid(1).
1020 // On some OS/chps combinations where HT is supported by the chip but is
1021 // disabled, this value will be 2 on a single core chip. Usually, it will be
1022 // 2 if HT is enabled and 1 if HT is disabled.
1023 __kmp_x86_cpuid(1, 0, &buf);
1024 int maxThreadsPerPkg = (buf.ebx >> 16) & 0xff;
1025 if (maxThreadsPerPkg == 0) {
1026 maxThreadsPerPkg = 1;
1027 }
1028
1029 // The num cores per pkg comes from cpuid(4). 1 must be added to the encoded
1030 // value.
1031 //
1032 // The author of cpu_count.cpp treated this only an upper bound on the
1033 // number of cores, but I haven't seen any cases where it was greater than
1034 // the actual number of cores, so we will treat it as exact in this block of
1035 // code.
1036 //
1037 // First, we need to check if cpuid(4) is supported on this chip. To see if
1038 // cpuid(n) is supported, issue cpuid(0) and check if eax has the value n or
1039 // greater.
1040 __kmp_x86_cpuid(0, 0, &buf);
1041 if (buf.eax >= 4) {
1042 __kmp_x86_cpuid(4, 0, &buf);
1043 nCoresPerPkg = ((buf.eax >> 26) & 0x3f) + 1;
1044 } else {
1045 nCoresPerPkg = 1;
1046 }
1047
1048 // There is no way to reliably tell if HT is enabled without issuing the
1049 // cpuid instruction from every thread, can correlating the cpuid info, so
1050 // if the machine is not affinity capable, we assume that HT is off. We have
1051 // seen quite a few machines where maxThreadsPerPkg is 2, yet the machine
1052 // does not support HT.
1053 //
1054 // - Older OSes are usually found on machines with older chips, which do not
1055 // support HT.
1056 // - The performance penalty for mistakenly identifying a machine as HT when
1057 // it isn't (which results in blocktime being incorrecly set to 0) is
1058 // greater than the penalty when for mistakenly identifying a machine as
1059 // being 1 thread/core when it is really HT enabled (which results in
1060 // blocktime being incorrectly set to a positive value).
1061 __kmp_ncores = __kmp_xproc;
1062 nPackages = (__kmp_xproc + nCoresPerPkg - 1) / nCoresPerPkg;
1063 __kmp_nThreadsPerCore = 1;
1064 if (__kmp_affinity_verbose) {
1065 KMP_INFORM(AffNotCapableUseLocCpuid, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffNotCapableUseLocCpuid
, "KMP_AFFINITY"), __kmp_msg_null)
;
1066 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
1067 if (__kmp_affinity_uniform_topology()) {
1068 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
1069 } else {
1070 KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
1071 }
1072 KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
1073 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
1074 }
1075 return 0;
1076 }
1077
1078 // From here on, we can assume that it is safe to call
1079 // __kmp_get_system_affinity() and __kmp_set_system_affinity(), even if
1080 // __kmp_affinity_type = affinity_none.
1081
1082 // Save the affinity mask for the current thread.
1083 kmp_affin_mask_t *oldMask;
1084 KMP_CPU_ALLOC(oldMask)(oldMask = __kmp_affinity_dispatch->allocate_mask());
1085 KMP_ASSERT(oldMask != NULL)((oldMask != __null) ? 0 : __kmp_debug_assert("oldMask != NULL"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1085))
;
1086 __kmp_get_system_affinity(oldMask, TRUE)(oldMask)->get_system_affinity((!0));
1087
1088 // Run through each of the available contexts, binding the current thread
1089 // to it, and obtaining the pertinent information using the cpuid instr.
1090 //
1091 // The relevant information is:
1092 // - Apic Id: Bits 24:31 of ebx after issuing cpuid(1) - each thread context
1093 // has a uniqie Apic Id, which is of the form pkg# : core# : thread#.
1094 // - Max Threads Per Pkg: Bits 16:23 of ebx after issuing cpuid(1). The value
1095 // of this field determines the width of the core# + thread# fields in the
1096 // Apic Id. It is also an upper bound on the number of threads per
1097 // package, but it has been verified that situations happen were it is not
1098 // exact. In particular, on certain OS/chip combinations where Intel(R)
1099 // Hyper-Threading Technology is supported by the chip but has been
1100 // disabled, the value of this field will be 2 (for a single core chip).
1101 // On other OS/chip combinations supporting Intel(R) Hyper-Threading
1102 // Technology, the value of this field will be 1 when Intel(R)
1103 // Hyper-Threading Technology is disabled and 2 when it is enabled.
1104 // - Max Cores Per Pkg: Bits 26:31 of eax after issuing cpuid(4). The value
1105 // of this field (+1) determines the width of the core# field in the Apic
1106 // Id. The comments in "cpucount.cpp" say that this value is an upper
1107 // bound, but the IA-32 architecture manual says that it is exactly the
1108 // number of cores per package, and I haven't seen any case where it
1109 // wasn't.
1110 //
1111 // From this information, deduce the package Id, core Id, and thread Id,
1112 // and set the corresponding fields in the apicThreadInfo struct.
1113 unsigned i;
1114 apicThreadInfo *threadInfo = (apicThreadInfo *)__kmp_allocate(___kmp_allocate((__kmp_avail_proc * sizeof(apicThreadInfo)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1115)
1115 __kmp_avail_proc * sizeof(apicThreadInfo))___kmp_allocate((__kmp_avail_proc * sizeof(apicThreadInfo)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1115)
;
1116 unsigned nApics = 0;
1117 KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask)for (i = (__kmp_affin_fullMask)->begin(); i != (__kmp_affin_fullMask
)->end(); i = (__kmp_affin_fullMask)->next(i))
{
1118 // Skip this proc if it is not included in the machine model.
1119 if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(i)) {
1120 continue;
1121 }
1122 KMP_DEBUG_ASSERT((int)nApics < __kmp_avail_proc)(((int)nApics < __kmp_avail_proc) ? 0 : __kmp_debug_assert
("(int)nApics < __kmp_avail_proc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1122))
;
1123
1124 __kmp_affinity_dispatch->bind_thread(i);
1125 threadInfo[nApics].osId = i;
1126
1127 // The apic id and max threads per pkg come from cpuid(1).
1128 __kmp_x86_cpuid(1, 0, &buf);
1129 if (((buf.edx >> 9) & 1) == 0) {
1130 __kmp_set_system_affinity(oldMask, TRUE)(oldMask)->set_system_affinity((!0));
1131 __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1131)
;
1132 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1133 *msg_id = kmp_i18n_str_ApicNotPresent;
1134 return -1;
1135 }
1136 threadInfo[nApics].apicId = (buf.ebx >> 24) & 0xff;
1137 threadInfo[nApics].maxThreadsPerPkg = (buf.ebx >> 16) & 0xff;
1138 if (threadInfo[nApics].maxThreadsPerPkg == 0) {
1139 threadInfo[nApics].maxThreadsPerPkg = 1;
1140 }
1141
1142 // Max cores per pkg comes from cpuid(4). 1 must be added to the encoded
1143 // value.
1144 //
1145 // First, we need to check if cpuid(4) is supported on this chip. To see if
1146 // cpuid(n) is supported, issue cpuid(0) and check if eax has the value n
1147 // or greater.
1148 __kmp_x86_cpuid(0, 0, &buf);
1149 if (buf.eax >= 4) {
1150 __kmp_x86_cpuid(4, 0, &buf);
1151 threadInfo[nApics].maxCoresPerPkg = ((buf.eax >> 26) & 0x3f) + 1;
1152 } else {
1153 threadInfo[nApics].maxCoresPerPkg = 1;
1154 }
1155
1156 // Infer the pkgId / coreId / threadId using only the info obtained locally.
1157 int widthCT = __kmp_cpuid_mask_width(threadInfo[nApics].maxThreadsPerPkg);
1158 threadInfo[nApics].pkgId = threadInfo[nApics].apicId >> widthCT;
1159
1160 int widthC = __kmp_cpuid_mask_width(threadInfo[nApics].maxCoresPerPkg);
1161 int widthT = widthCT - widthC;
1162 if (widthT < 0) {
1163 // I've never seen this one happen, but I suppose it could, if the cpuid
1164 // instruction on a chip was really screwed up. Make sure to restore the
1165 // affinity mask before the tail call.
1166 __kmp_set_system_affinity(oldMask, TRUE)(oldMask)->set_system_affinity((!0));
1167 __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1167)
;
1168 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1169 *msg_id = kmp_i18n_str_InvalidCpuidInfo;
1170 return -1;
1171 }
1172
1173 int maskC = (1 << widthC) - 1;
1174 threadInfo[nApics].coreId = (threadInfo[nApics].apicId >> widthT) & maskC;
1175
1176 int maskT = (1 << widthT) - 1;
1177 threadInfo[nApics].threadId = threadInfo[nApics].apicId & maskT;
1178
1179 nApics++;
1180 }
1181
1182 // We've collected all the info we need.
1183 // Restore the old affinity mask for this thread.
1184 __kmp_set_system_affinity(oldMask, TRUE)(oldMask)->set_system_affinity((!0));
1185
1186 // If there's only one thread context to bind to, form an Address object
1187 // with depth 1 and return immediately (or, if affinity is off, set
1188 // address2os to NULL and return).
1189 //
1190 // If it is configured to omit the package level when there is only a single
1191 // package, the logic at the end of this routine won't work if there is only
1192 // a single thread - it would try to form an Address object with depth 0.
1193 KMP_ASSERT(nApics > 0)((nApics > 0) ? 0 : __kmp_debug_assert("nApics > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1193))
;
1194 if (nApics == 1) {
1195 __kmp_ncores = nPackages = 1;
1196 __kmp_nThreadsPerCore = nCoresPerPkg = 1;
1197 if (__kmp_affinity_verbose) {
1198 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
1199 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask);
1200
1201 KMP_INFORM(AffUseGlobCpuid, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUseGlobCpuid
, "KMP_AFFINITY"), __kmp_msg_null)
;
1202 if (__kmp_affinity_respect_mask) {
1203 KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
1204 } else {
1205 KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
1206 }
1207 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
1208 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
1209 KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
1210 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
1211 }
1212
1213 if (__kmp_affinity_type == affinity_none) {
1214 __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1214)
;
1215 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1216 return 0;
1217 }
1218
1219 *address2os = (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair))___kmp_allocate((sizeof(AddrUnsPair)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1219)
;
1220 Address addr(1);
1221 addr.labels[0] = threadInfo[0].pkgId;
1222 (*address2os)[0] = AddrUnsPair(addr, threadInfo[0].osId);
1223
1224 if (__kmp_affinity_gran_levels < 0) {
1225 __kmp_affinity_gran_levels = 0;
1226 }
1227
1228 if (__kmp_affinity_verbose) {
1229 __kmp_affinity_print_topology(*address2os, 1, 1, 0, -1, -1);
1230 }
1231
1232 __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1232)
;
1233 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1234 return 1;
1235 }
1236
1237 // Sort the threadInfo table by physical Id.
1238 qsort(threadInfo, nApics, sizeof(*threadInfo),
1239 __kmp_affinity_cmp_apicThreadInfo_phys_id);
1240
1241 // The table is now sorted by pkgId / coreId / threadId, but we really don't
1242 // know the radix of any of the fields. pkgId's may be sparsely assigned among
1243 // the chips on a system. Although coreId's are usually assigned
1244 // [0 .. coresPerPkg-1] and threadId's are usually assigned
1245 // [0..threadsPerCore-1], we don't want to make any such assumptions.
1246 //
1247 // For that matter, we don't know what coresPerPkg and threadsPerCore (or the
1248 // total # packages) are at this point - we want to determine that now. We
1249 // only have an upper bound on the first two figures.
1250 //
1251 // We also perform a consistency check at this point: the values returned by
1252 // the cpuid instruction for any thread bound to a given package had better
1253 // return the same info for maxThreadsPerPkg and maxCoresPerPkg.
1254 nPackages = 1;
1255 nCoresPerPkg = 1;
1256 __kmp_nThreadsPerCore = 1;
1257 unsigned nCores = 1;
1258
1259 unsigned pkgCt = 1; // to determine radii
1260 unsigned lastPkgId = threadInfo[0].pkgId;
1261 unsigned coreCt = 1;
1262 unsigned lastCoreId = threadInfo[0].coreId;
1263 unsigned threadCt = 1;
1264 unsigned lastThreadId = threadInfo[0].threadId;
1265
1266 // intra-pkg consist checks
1267 unsigned prevMaxCoresPerPkg = threadInfo[0].maxCoresPerPkg;
1268 unsigned prevMaxThreadsPerPkg = threadInfo[0].maxThreadsPerPkg;
1269
1270 for (i = 1; i < nApics; i++) {
1271 if (threadInfo[i].pkgId != lastPkgId) {
1272 nCores++;
1273 pkgCt++;
1274 lastPkgId = threadInfo[i].pkgId;
1275 if ((int)coreCt > nCoresPerPkg)
1276 nCoresPerPkg = coreCt;
1277 coreCt = 1;
1278 lastCoreId = threadInfo[i].coreId;
1279 if ((int)threadCt > __kmp_nThreadsPerCore)
1280 __kmp_nThreadsPerCore = threadCt;
1281 threadCt = 1;
1282 lastThreadId = threadInfo[i].threadId;
1283
1284 // This is a different package, so go on to the next iteration without
1285 // doing any consistency checks. Reset the consistency check vars, though.
1286 prevMaxCoresPerPkg = threadInfo[i].maxCoresPerPkg;
1287 prevMaxThreadsPerPkg = threadInfo[i].maxThreadsPerPkg;
1288 continue;
1289 }
1290
1291 if (threadInfo[i].coreId != lastCoreId) {
1292 nCores++;
1293 coreCt++;
1294 lastCoreId = threadInfo[i].coreId;
1295 if ((int)threadCt > __kmp_nThreadsPerCore)
1296 __kmp_nThreadsPerCore = threadCt;
1297 threadCt = 1;
1298 lastThreadId = threadInfo[i].threadId;
1299 } else if (threadInfo[i].threadId != lastThreadId) {
1300 threadCt++;
1301 lastThreadId = threadInfo[i].threadId;
1302 } else {
1303 __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1303)
;
1304 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1305 *msg_id = kmp_i18n_str_LegacyApicIDsNotUnique;
1306 return -1;
1307 }
1308
1309 // Check to make certain that the maxCoresPerPkg and maxThreadsPerPkg
1310 // fields agree between all the threads bounds to a given package.
1311 if ((prevMaxCoresPerPkg != threadInfo[i].maxCoresPerPkg) ||
1312 (prevMaxThreadsPerPkg != threadInfo[i].maxThreadsPerPkg)) {
1313 __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1313)
;
1314 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1315 *msg_id = kmp_i18n_str_InconsistentCpuidInfo;
1316 return -1;
1317 }
1318 }
1319 nPackages = pkgCt;
1320 if ((int)coreCt > nCoresPerPkg)
1321 nCoresPerPkg = coreCt;
1322 if ((int)threadCt > __kmp_nThreadsPerCore)
1323 __kmp_nThreadsPerCore = threadCt;
1324
1325 // When affinity is off, this routine will still be called to set
1326 // __kmp_ncores, as well as __kmp_nThreadsPerCore, nCoresPerPkg, & nPackages.
1327 // Make sure all these vars are set correctly, and return now if affinity is
1328 // not enabled.
1329 __kmp_ncores = nCores;
1330 if (__kmp_affinity_verbose) {
1331 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
1332 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask);
1333
1334 KMP_INFORM(AffUseGlobCpuid, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUseGlobCpuid
, "KMP_AFFINITY"), __kmp_msg_null)
;
1335 if (__kmp_affinity_respect_mask) {
1336 KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
1337 } else {
1338 KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
1339 }
1340 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
1341 if (__kmp_affinity_uniform_topology()) {
1342 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
1343 } else {
1344 KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
1345 }
1346 KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
1347 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
1348 }
1349 KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1349))
;
1350 KMP_DEBUG_ASSERT(nApics == __kmp_avail_proc)((nApics == __kmp_avail_proc) ? 0 : __kmp_debug_assert("nApics == __kmp_avail_proc"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1350))
;
1351 __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1351)
;
1352 for (i = 0; i < nApics; ++i) {
1353 __kmp_pu_os_idx[i] = threadInfo[i].osId;
1354 }
1355 if (__kmp_affinity_type == affinity_none) {
1356 __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1356)
;
1357 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1358 return 0;
1359 }
1360
1361 // Now that we've determined the number of packages, the number of cores per
1362 // package, and the number of threads per core, we can construct the data
1363 // structure that is to be returned.
1364 int pkgLevel = 0;
1365 int coreLevel = (nCoresPerPkg <= 1) ? -1 : 1;
1366 int threadLevel =
1367 (__kmp_nThreadsPerCore <= 1) ? -1 : ((coreLevel >= 0) ? 2 : 1);
1368 unsigned depth = (pkgLevel >= 0) + (coreLevel >= 0) + (threadLevel >= 0);
1369
1370 KMP_ASSERT(depth > 0)((depth > 0) ? 0 : __kmp_debug_assert("depth > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1370))
;
1371 *address2os = (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) * nApics)___kmp_allocate((sizeof(AddrUnsPair) * nApics), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1371)
;
1372
1373 for (i = 0; i < nApics; ++i) {
1374 Address addr(depth);
1375 unsigned os = threadInfo[i].osId;
1376 int d = 0;
1377
1378 if (pkgLevel >= 0) {
1379 addr.labels[d++] = threadInfo[i].pkgId;
1380 }
1381 if (coreLevel >= 0) {
1382 addr.labels[d++] = threadInfo[i].coreId;
1383 }
1384 if (threadLevel >= 0) {
1385 addr.labels[d++] = threadInfo[i].threadId;
1386 }
1387 (*address2os)[i] = AddrUnsPair(addr, os);
1388 }
1389
1390 if (__kmp_affinity_gran_levels < 0) {
1391 // Set the granularity level based on what levels are modeled in the machine
1392 // topology map.
1393 __kmp_affinity_gran_levels = 0;
1394 if ((threadLevel >= 0) && (__kmp_affinity_gran > affinity_gran_thread)) {
1395 __kmp_affinity_gran_levels++;
1396 }
1397 if ((coreLevel >= 0) && (__kmp_affinity_gran > affinity_gran_core)) {
1398 __kmp_affinity_gran_levels++;
1399 }
1400 if ((pkgLevel >= 0) && (__kmp_affinity_gran > affinity_gran_package)) {
1401 __kmp_affinity_gran_levels++;
1402 }
1403 }
1404
1405 if (__kmp_affinity_verbose) {
1406 __kmp_affinity_print_topology(*address2os, nApics, depth, pkgLevel,
1407 coreLevel, threadLevel);
1408 }
1409
1410 __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1410)
;
1411 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1412 return depth;
1413}
1414
1415// Intel(R) microarchitecture code name Nehalem, Dunnington and later
1416// architectures support a newer interface for specifying the x2APIC Ids,
1417// based on cpuid leaf 11.
1418static int __kmp_affinity_create_x2apicid_map(AddrUnsPair **address2os,
1419 kmp_i18n_id_t *const msg_id) {
1420 kmp_cpuid buf;
1421 *address2os = NULL__null;
1422 *msg_id = kmp_i18n_null;
1423
1424 // Check to see if cpuid leaf 11 is supported.
1425 __kmp_x86_cpuid(0, 0, &buf);
1426 if (buf.eax < 11) {
1427 *msg_id = kmp_i18n_str_NoLeaf11Support;
1428 return -1;
1429 }
1430 __kmp_x86_cpuid(11, 0, &buf);
1431 if (buf.ebx == 0) {
1432 *msg_id = kmp_i18n_str_NoLeaf11Support;
1433 return -1;
1434 }
1435
1436 // Find the number of levels in the machine topology. While we're at it, get
1437 // the default values for __kmp_nThreadsPerCore & nCoresPerPkg. We will try to
1438 // get more accurate values later by explicitly counting them, but get
1439 // reasonable defaults now, in case we return early.
1440 int level;
1441 int threadLevel = -1;
1442 int coreLevel = -1;
1443 int pkgLevel = -1;
1444 __kmp_nThreadsPerCore = nCoresPerPkg = nPackages = 1;
1445
1446 for (level = 0;; level++) {
1447 if (level > 31) {
1448 // FIXME: Hack for DPD200163180
1449 //
1450 // If level is big then something went wrong -> exiting
1451 //
1452 // There could actually be 32 valid levels in the machine topology, but so
1453 // far, the only machine we have seen which does not exit this loop before
1454 // iteration 32 has fubar x2APIC settings.
1455 //
1456 // For now, just reject this case based upon loop trip count.
1457 *msg_id = kmp_i18n_str_InvalidCpuidInfo;
1458 return -1;
1459 }
1460 __kmp_x86_cpuid(11, level, &buf);
1461 if (buf.ebx == 0) {
1462 if (pkgLevel < 0) {
1463 // Will infer nPackages from __kmp_xproc
1464 pkgLevel = level;
1465 level++;
1466 }
1467 break;
1468 }
1469 int kind = (buf.ecx >> 8) & 0xff;
1470 if (kind == 1) {
1471 // SMT level
1472 threadLevel = level;
1473 coreLevel = -1;
1474 pkgLevel = -1;
1475 __kmp_nThreadsPerCore = buf.ebx & 0xffff;
1476 if (__kmp_nThreadsPerCore == 0) {
1477 *msg_id = kmp_i18n_str_InvalidCpuidInfo;
1478 return -1;
1479 }
1480 } else if (kind == 2) {
1481 // core level
1482 coreLevel = level;
1483 pkgLevel = -1;
1484 nCoresPerPkg = buf.ebx & 0xffff;
1485 if (nCoresPerPkg == 0) {
1486 *msg_id = kmp_i18n_str_InvalidCpuidInfo;
1487 return -1;
1488 }
1489 } else {
1490 if (level <= 0) {
1491 *msg_id = kmp_i18n_str_InvalidCpuidInfo;
1492 return -1;
1493 }
1494 if (pkgLevel >= 0) {
1495 continue;
1496 }
1497 pkgLevel = level;
1498 nPackages = buf.ebx & 0xffff;
1499 if (nPackages == 0) {
1500 *msg_id = kmp_i18n_str_InvalidCpuidInfo;
1501 return -1;
1502 }
1503 }
1504 }
1505 int depth = level;
1506
1507 // In the above loop, "level" was counted from the finest level (usually
1508 // thread) to the coarsest. The caller expects that we will place the labels
1509 // in (*address2os)[].first.labels[] in the inverse order, so we need to
1510 // invert the vars saying which level means what.
1511 if (threadLevel >= 0) {
1512 threadLevel = depth - threadLevel - 1;
1513 }
1514 if (coreLevel >= 0) {
1515 coreLevel = depth - coreLevel - 1;
1516 }
1517 KMP_DEBUG_ASSERT(pkgLevel >= 0)((pkgLevel >= 0) ? 0 : __kmp_debug_assert("pkgLevel >= 0"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1517))
;
1518 pkgLevel = depth - pkgLevel - 1;
1519
1520 // The algorithm used starts by setting the affinity to each available thread
1521 // and retrieving info from the cpuid instruction, so if we are not capable of
1522 // calling __kmp_get_system_affinity() and _kmp_get_system_affinity(), then we
1523 // need to do something else - use the defaults that we calculated from
1524 // issuing cpuid without binding to each proc.
1525 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
1526 // Hack to try and infer the machine topology using only the data
1527 // available from cpuid on the current thread, and __kmp_xproc.
1528 KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert
("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1528))
;
1529
1530 __kmp_ncores = __kmp_xproc / __kmp_nThreadsPerCore;
1531 nPackages = (__kmp_xproc + nCoresPerPkg - 1) / nCoresPerPkg;
1532 if (__kmp_affinity_verbose) {
1533 KMP_INFORM(AffNotCapableUseLocCpuidL11, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffNotCapableUseLocCpuidL11
, "KMP_AFFINITY"), __kmp_msg_null)
;
1534 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
1535 if (__kmp_affinity_uniform_topology()) {
1536 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
1537 } else {
1538 KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
1539 }
1540 KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
1541 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
1542 }
1543 return 0;
1544 }
1545
1546 // From here on, we can assume that it is safe to call
1547 // __kmp_get_system_affinity() and __kmp_set_system_affinity(), even if
1548 // __kmp_affinity_type = affinity_none.
1549
1550 // Save the affinity mask for the current thread.
1551 kmp_affin_mask_t *oldMask;
1552 KMP_CPU_ALLOC(oldMask)(oldMask = __kmp_affinity_dispatch->allocate_mask());
1553 __kmp_get_system_affinity(oldMask, TRUE)(oldMask)->get_system_affinity((!0));
1554
1555 // Allocate the data structure to be returned.
1556 AddrUnsPair *retval =
1557 (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) * __kmp_avail_proc)___kmp_allocate((sizeof(AddrUnsPair) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1557)
;
1558
1559 // Run through each of the available contexts, binding the current thread
1560 // to it, and obtaining the pertinent information using the cpuid instr.
1561 unsigned int proc;
1562 int nApics = 0;
1563 KMP_CPU_SET_ITERATE(proc, __kmp_affin_fullMask)for (proc = (__kmp_affin_fullMask)->begin(); proc != (__kmp_affin_fullMask
)->end(); proc = (__kmp_affin_fullMask)->next(proc))
{
1564 // Skip this proc if it is not included in the machine model.
1565 if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(proc)) {
1566 continue;
1567 }
1568 KMP_DEBUG_ASSERT(nApics < __kmp_avail_proc)((nApics < __kmp_avail_proc) ? 0 : __kmp_debug_assert("nApics < __kmp_avail_proc"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1568))
;
1569
1570 __kmp_affinity_dispatch->bind_thread(proc);
1571
1572 // Extract labels for each level in the machine topology map from Apic ID.
1573 Address addr(depth);
1574 int prev_shift = 0;
1575
1576 for (level = 0; level < depth; level++) {
1577 __kmp_x86_cpuid(11, level, &buf);
1578 unsigned apicId = buf.edx;
1579 if (buf.ebx == 0) {
1580 if (level != depth - 1) {
1581 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1582 *msg_id = kmp_i18n_str_InconsistentCpuidInfo;
1583 return -1;
1584 }
1585 addr.labels[depth - level - 1] = apicId >> prev_shift;
1586 level++;
1587 break;
1588 }
1589 int shift = buf.eax & 0x1f;
1590 int mask = (1 << shift) - 1;
1591 addr.labels[depth - level - 1] = (apicId & mask) >> prev_shift;
1592 prev_shift = shift;
1593 }
1594 if (level != depth) {
1595 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1596 *msg_id = kmp_i18n_str_InconsistentCpuidInfo;
1597 return -1;
1598 }
1599
1600 retval[nApics] = AddrUnsPair(addr, proc);
1601 nApics++;
1602 }
1603
1604 // We've collected all the info we need.
1605 // Restore the old affinity mask for this thread.
1606 __kmp_set_system_affinity(oldMask, TRUE)(oldMask)->set_system_affinity((!0));
1607
1608 // If there's only one thread context to bind to, return now.
1609 KMP_ASSERT(nApics > 0)((nApics > 0) ? 0 : __kmp_debug_assert("nApics > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1609))
;
1610 if (nApics == 1) {
1611 __kmp_ncores = nPackages = 1;
1612 __kmp_nThreadsPerCore = nCoresPerPkg = 1;
1613 if (__kmp_affinity_verbose) {
1614 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
1615 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask);
1616
1617 KMP_INFORM(AffUseGlobCpuidL11, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUseGlobCpuidL11
, "KMP_AFFINITY"), __kmp_msg_null)
;
1618 if (__kmp_affinity_respect_mask) {
1619 KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
1620 } else {
1621 KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
1622 }
1623 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
1624 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
1625 KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
1626 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology
, "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
1627 }
1628
1629 if (__kmp_affinity_type == affinity_none) {
1630 __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1630)
;
1631 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1632 return 0;
1633 }
1634
1635 // Form an Address object which only includes the package level.
1636 Address addr(1);
1637 addr.labels[0] = retval[0].first.labels[pkgLevel];
1638 retval[0].first = addr;
1639
1640 if (__kmp_affinity_gran_levels < 0) {
1641 __kmp_affinity_gran_levels = 0;
1642 }
1643
1644 if (__kmp_affinity_verbose) {
1645 __kmp_affinity_print_topology(retval, 1, 1, 0, -1, -1);
1646 }
1647
1648 *address2os = retval;
1649 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1650 return 1;
1651 }
1652
1653 // Sort the table by physical Id.
1654 qsort(retval, nApics, sizeof(*retval), __kmp_affinity_cmp_Address_labels);
1655
1656 // Find the radix at each of the levels.
1657 unsigned *totals = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1657)
;
1658 unsigned *counts = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1658)
;
1659 unsigned *maxCt = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1659)
;
1660 unsigned *last = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1660)
;
1661 for (level = 0; level < depth; level++) {
1662 totals[level] = 1;
1663 maxCt[level] = 1;
1664 counts[level] = 1;
1665 last[level] = retval[0].first.labels[level];
1666 }
1667
1668 // From here on, the iteration variable "level" runs from the finest level to
1669 // the coarsest, i.e. we iterate forward through
1670 // (*address2os)[].first.labels[] - in the previous loops, we iterated
1671 // backwards.
1672 for (proc = 1; (int)proc < nApics; proc++) {
1673 int level;
1674 for (level = 0; level < depth; level++) {
1675 if (retval[proc].first.labels[level] != last[level]) {
1676 int j;
1677 for (j = level + 1; j < depth; j++) {
1678 totals[j]++;
1679 counts[j] = 1;
1680 // The line below causes printing incorrect topology information in
1681 // case the max value for some level (maxCt[level]) is encountered
1682 // earlier than some less value while going through the array. For
1683 // example, let pkg0 has 4 cores and pkg1 has 2 cores. Then
1684 // maxCt[1] == 2
1685 // whereas it must be 4.
1686 // TODO!!! Check if it can be commented safely
1687 // maxCt[j] = 1;
1688 last[j] = retval[proc].first.labels[j];
1689 }
1690 totals[level]++;
1691 counts[level]++;
1692 if (counts[level] > maxCt[level]) {
1693 maxCt[level] = counts[level];
1694 }
1695 last[level] = retval[proc].first.labels[level];
1696 break;
1697 } else if (level == depth - 1) {
1698 __kmp_free(last)___kmp_free((last), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1698)
;
1699 __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1699)
;
1700 __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1700)
;
1701 __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1701)
;
1702 __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1702)
;
1703 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1704 *msg_id = kmp_i18n_str_x2ApicIDsNotUnique;
1705 return -1;
1706 }
1707 }
1708 }
1709
1710 // When affinity is off, this routine will still be called to set
1711 // __kmp_ncores, as well as __kmp_nThreadsPerCore, nCoresPerPkg, & nPackages.
1712 // Make sure all these vars are set correctly, and return if affinity is not
1713 // enabled.
1714 if (threadLevel >= 0) {
1715 __kmp_nThreadsPerCore = maxCt[threadLevel];
1716 } else {
1717 __kmp_nThreadsPerCore = 1;
1718 }
1719 nPackages = totals[pkgLevel];
1720
1721 if (coreLevel >= 0) {
1722 __kmp_ncores = totals[coreLevel];
1723 nCoresPerPkg = maxCt[coreLevel];
1724 } else {
1725 __kmp_ncores = nPackages;
1726 nCoresPerPkg = 1;
1727 }
1728
1729 // Check to see if the machine topology is uniform
1730 unsigned prod = maxCt[0];
1731 for (level = 1; level < depth; level++) {
1732 prod *= maxCt[level];
1733 }
1734 bool uniform = (prod == totals[level - 1]);
1735
1736 // Print the machine topology summary.
1737 if (__kmp_affinity_verbose) {
1738 char mask[KMP_AFFIN_MASK_PRINT_LEN1024];
1739 __kmp_affinity_print_mask(mask, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask);
1740
1741 KMP_INFORM(AffUseGlobCpuidL11, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUseGlobCpuidL11
, "KMP_AFFINITY"), __kmp_msg_null)
;
1742 if (__kmp_affinity_respect_mask) {
1743 KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", mask)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect
, "KMP_AFFINITY", mask), __kmp_msg_null)
;
1744 } else {
1745 KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", mask)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect
, "KMP_AFFINITY", mask), __kmp_msg_null)
;
1746 }
1747 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
1748 if (uniform) {
1749 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
1750 } else {
1751 KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
1752 }
1753
1754 kmp_str_buf_t buf;
1755 __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size
= sizeof((&buf)->bulk); (&buf)->used = 0; (&
buf)->bulk[0] = 0; }
;
1756
1757 __kmp_str_buf_print(&buf, "%d", totals[0]);
1758 for (level = 1; level <= pkgLevel; level++) {
1759 __kmp_str_buf_print(&buf, " x %d", maxCt[level]);
1760 }
1761 KMP_INFORM(TopologyExtra, "KMP_AFFINITY", buf.str, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra
, "KMP_AFFINITY", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
1762 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra
, "KMP_AFFINITY", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
1763
1764 __kmp_str_buf_free(&buf);
1765 }
1766 KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1766))
;
1767 KMP_DEBUG_ASSERT(nApics == __kmp_avail_proc)((nApics == __kmp_avail_proc) ? 0 : __kmp_debug_assert("nApics == __kmp_avail_proc"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1767))
;
1768 __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1768)
;
1769 for (proc = 0; (int)proc < nApics; ++proc) {
1770 __kmp_pu_os_idx[proc] = retval[proc].second;
1771 }
1772 if (__kmp_affinity_type == affinity_none) {
1773 __kmp_free(last)___kmp_free((last), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1773)
;
1774 __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1774)
;
1775 __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1775)
;
1776 __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1776)
;
1777 __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1777)
;
1778 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1779 return 0;
1780 }
1781
1782 // Find any levels with radiix 1, and remove them from the map
1783 // (except for the package level).
1784 int new_depth = 0;
1785 for (level = 0; level < depth; level++) {
1786 if ((maxCt[level] == 1) && (level != pkgLevel)) {
1787 continue;
1788 }
1789 new_depth++;
1790 }
1791
1792 // If we are removing any levels, allocate a new vector to return,
1793 // and copy the relevant information to it.
1794 if (new_depth != depth) {
1795 AddrUnsPair *new_retval =
1796 (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) * nApics)___kmp_allocate((sizeof(AddrUnsPair) * nApics), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1796)
;
1797 for (proc = 0; (int)proc < nApics; proc++) {
1798 Address addr(new_depth);
1799 new_retval[proc] = AddrUnsPair(addr, retval[proc].second);
1800 }
1801 int new_level = 0;
1802 int newPkgLevel = -1;
1803 int newCoreLevel = -1;
1804 int newThreadLevel = -1;
1805 int i;
1806 for (level = 0; level < depth; level++) {
1807 if ((maxCt[level] == 1) && (level != pkgLevel)) {
1808 // Remove this level. Never remove the package level
1809 continue;
1810 }
1811 if (level == pkgLevel) {
1812 newPkgLevel = new_level;
1813 }
1814 if (level == coreLevel) {
1815 newCoreLevel = new_level;
1816 }
1817 if (level == threadLevel) {
1818 newThreadLevel = new_level;
1819 }
1820 for (proc = 0; (int)proc < nApics; proc++) {
1821 new_retval[proc].first.labels[new_level] =
1822 retval[proc].first.labels[level];
1823 }
1824 new_level++;
1825 }
1826
1827 __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1827)
;
1828 retval = new_retval;
1829 depth = new_depth;
1830 pkgLevel = newPkgLevel;
1831 coreLevel = newCoreLevel;
1832 threadLevel = newThreadLevel;
1833 }
1834
1835 if (__kmp_affinity_gran_levels < 0) {
1836 // Set the granularity level based on what levels are modeled
1837 // in the machine topology map.
1838 __kmp_affinity_gran_levels = 0;
1839 if ((threadLevel >= 0) && (__kmp_affinity_gran > affinity_gran_thread)) {
1840 __kmp_affinity_gran_levels++;
1841 }
1842 if ((coreLevel >= 0) && (__kmp_affinity_gran > affinity_gran_core)) {
1843 __kmp_affinity_gran_levels++;
1844 }
1845 if (__kmp_affinity_gran > affinity_gran_package) {
1846 __kmp_affinity_gran_levels++;
1847 }
1848 }
1849
1850 if (__kmp_affinity_verbose) {
1851 __kmp_affinity_print_topology(retval, nApics, depth, pkgLevel, coreLevel,
1852 threadLevel);
1853 }
1854
1855 __kmp_free(last)___kmp_free((last), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1855)
;
1856 __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1856)
;
1857 __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1857)
;
1858 __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1858)
;
1859 KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask);
1860 *address2os = retval;
1861 return depth;
1862}
1863
1864#endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
1865
1866#define osIdIndex0 0
1867#define threadIdIndex1 1
1868#define coreIdIndex2 2
1869#define pkgIdIndex3 3
1870#define nodeIdIndex4 4
1871
1872typedef unsigned *ProcCpuInfo;
1873static unsigned maxIndex = pkgIdIndex3;
1874
1875static int __kmp_affinity_cmp_ProcCpuInfo_os_id(const void *a, const void *b) {
1876 const unsigned *aa = (const unsigned *)a;
1877 const unsigned *bb = (const unsigned *)b;
1878 if (aa[osIdIndex0] < bb[osIdIndex0])
1879 return -1;
1880 if (aa[osIdIndex0] > bb[osIdIndex0])
1881 return 1;
1882 return 0;
1883}
1884
1885static int __kmp_affinity_cmp_ProcCpuInfo_phys_id(const void *a,
1886 const void *b) {
1887 unsigned i;
1888 const unsigned *aa = *(unsigned *const *)a;
1889 const unsigned *bb = *(unsigned *const *)b;
1890 for (i = maxIndex;; i--) {
1891 if (aa[i] < bb[i])
1892 return -1;
1893 if (aa[i] > bb[i])
1894 return 1;
1895 if (i == osIdIndex0)
1896 break;
1897 }
1898 return 0;
1899}
1900
1901#if KMP_USE_HIER_SCHED0
1902// Set the array sizes for the hierarchy layers
1903static void __kmp_dispatch_set_hierarchy_values() {
1904 // Set the maximum number of L1's to number of cores
1905 // Set the maximum number of L2's to to either number of cores / 2 for
1906 // Intel(R) Xeon Phi(TM) coprocessor formally codenamed Knights Landing
1907 // Or the number of cores for Intel(R) Xeon(R) processors
1908 // Set the maximum number of NUMA nodes and L3's to number of packages
1909 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_THREAD + 1] =
1910 nPackages * nCoresPerPkg * __kmp_nThreadsPerCore;
1911 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L1 + 1] = __kmp_ncores;
1912#if KMP_ARCH_X86_641 && (KMP_OS_LINUX1 || KMP_OS_WINDOWS0)
1913 if (__kmp_mic_type >= mic3)
1914 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L2 + 1] = __kmp_ncores / 2;
1915 else
1916#endif // KMP_ARCH_X86_64 && (KMP_OS_LINUX || KMP_OS_WINDOWS)
1917 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L2 + 1] = __kmp_ncores;
1918 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L3 + 1] = nPackages;
1919 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_NUMA + 1] = nPackages;
1920 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_LOOP + 1] = 1;
1921 // Set the number of threads per unit
1922 // Number of hardware threads per L1/L2/L3/NUMA/LOOP
1923 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_THREAD + 1] = 1;
1924 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L1 + 1] =
1925 __kmp_nThreadsPerCore;
1926#if KMP_ARCH_X86_641 && (KMP_OS_LINUX1 || KMP_OS_WINDOWS0)
1927 if (__kmp_mic_type >= mic3)
1928 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L2 + 1] =
1929 2 * __kmp_nThreadsPerCore;
1930 else
1931#endif // KMP_ARCH_X86_64 && (KMP_OS_LINUX || KMP_OS_WINDOWS)
1932 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L2 + 1] =
1933 __kmp_nThreadsPerCore;
1934 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L3 + 1] =
1935 nCoresPerPkg * __kmp_nThreadsPerCore;
1936 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_NUMA + 1] =
1937 nCoresPerPkg * __kmp_nThreadsPerCore;
1938 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_LOOP + 1] =
1939 nPackages * nCoresPerPkg * __kmp_nThreadsPerCore;
1940}
1941
1942// Return the index into the hierarchy for this tid and layer type (L1, L2, etc)
1943// i.e., this thread's L1 or this thread's L2, etc.
1944int __kmp_dispatch_get_index(int tid, kmp_hier_layer_e type) {
1945 int index = type + 1;
1946 int num_hw_threads = __kmp_hier_max_units[kmp_hier_layer_e::LAYER_THREAD + 1];
1947 KMP_DEBUG_ASSERT(type != kmp_hier_layer_e::LAYER_LAST)((type != kmp_hier_layer_e::LAYER_LAST) ? 0 : __kmp_debug_assert
("type != kmp_hier_layer_e::LAYER_LAST", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1947))
;
1948 if (type == kmp_hier_layer_e::LAYER_THREAD)
1949 return tid;
1950 else if (type == kmp_hier_layer_e::LAYER_LOOP)
1951 return 0;
1952 KMP_DEBUG_ASSERT(__kmp_hier_max_units[index] != 0)((__kmp_hier_max_units[index] != 0) ? 0 : __kmp_debug_assert(
"__kmp_hier_max_units[index] != 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1952))
;
1953 if (tid >= num_hw_threads)
1954 tid = tid % num_hw_threads;
1955 return (tid / __kmp_hier_threads_per[index]) % __kmp_hier_max_units[index];
1956}
1957
1958// Return the number of t1's per t2
1959int __kmp_dispatch_get_t1_per_t2(kmp_hier_layer_e t1, kmp_hier_layer_e t2) {
1960 int i1 = t1 + 1;
1961 int i2 = t2 + 1;
1962 KMP_DEBUG_ASSERT(i1 <= i2)((i1 <= i2) ? 0 : __kmp_debug_assert("i1 <= i2", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1962))
;
1963 KMP_DEBUG_ASSERT(t1 != kmp_hier_layer_e::LAYER_LAST)((t1 != kmp_hier_layer_e::LAYER_LAST) ? 0 : __kmp_debug_assert
("t1 != kmp_hier_layer_e::LAYER_LAST", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1963))
;
1964 KMP_DEBUG_ASSERT(t2 != kmp_hier_layer_e::LAYER_LAST)((t2 != kmp_hier_layer_e::LAYER_LAST) ? 0 : __kmp_debug_assert
("t2 != kmp_hier_layer_e::LAYER_LAST", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1964))
;
1965 KMP_DEBUG_ASSERT(__kmp_hier_threads_per[i1] != 0)((__kmp_hier_threads_per[i1] != 0) ? 0 : __kmp_debug_assert("__kmp_hier_threads_per[i1] != 0"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 1965))
;
1966 // (nthreads/t2) / (nthreads/t1) = t1 / t2
1967 return __kmp_hier_threads_per[i2] / __kmp_hier_threads_per[i1];
1968}
1969#endif // KMP_USE_HIER_SCHED
1970
1971// Parse /proc/cpuinfo (or an alternate file in the same format) to obtain the
1972// affinity map.
1973static int __kmp_affinity_create_cpuinfo_map(AddrUnsPair **address2os,
1974 int *line,
1975 kmp_i18n_id_t *const msg_id,
1976 FILE *f) {
1977 *address2os = NULL__null;
1978 *msg_id = kmp_i18n_null;
1979
1980 // Scan of the file, and count the number of "processor" (osId) fields,
1981 // and find the highest value of <n> for a node_<n> field.
1982 char buf[256];
1983 unsigned num_records = 0;
1984 while (!feof(f)) {
1985 buf[sizeof(buf) - 1] = 1;
1986 if (!fgets(buf, sizeof(buf), f)) {
1987 // Read errors presumably because of EOF
1988 break;
1989 }
1990
1991 char s1[] = "processor";
1992 if (strncmp(buf, s1, sizeof(s1) - 1) == 0) {
1993 num_records++;
1994 continue;
1995 }
1996
1997 // FIXME - this will match "node_<n> <garbage>"
1998 unsigned level;
1999 if (KMP_SSCANFsscanf(buf, "node_%u id", &level) == 1) {
2000 if (nodeIdIndex4 + level >= maxIndex) {
2001 maxIndex = nodeIdIndex4 + level;
2002 }
2003 continue;
2004 }
2005 }
2006
2007 // Check for empty file / no valid processor records, or too many. The number
2008 // of records can't exceed the number of valid bits in the affinity mask.
2009 if (num_records == 0) {
2010 *line = 0;
2011 *msg_id = kmp_i18n_str_NoProcRecords;
2012 return -1;
2013 }
2014 if (num_records > (unsigned)__kmp_xproc) {
2015 *line = 0;
2016 *msg_id = kmp_i18n_str_TooManyProcRecords;
2017 return -1;
2018 }
2019
2020 // Set the file pointer back to the begginning, so that we can scan the file
2021 // again, this time performing a full parse of the data. Allocate a vector of
2022 // ProcCpuInfo object, where we will place the data. Adding an extra element
2023 // at the end allows us to remove a lot of extra checks for termination
2024 // conditions.
2025 if (fseek(f, 0, SEEK_SET0) != 0) {
2026 *line = 0;
2027 *msg_id = kmp_i18n_str_CantRewindCpuinfo;
2028 return -1;
2029 }
2030
2031 // Allocate the array of records to store the proc info in. The dummy
2032 // element at the end makes the logic in filling them out easier to code.
2033 unsigned **threadInfo =
2034 (unsigned **)__kmp_allocate((num_records + 1) * sizeof(unsigned *))___kmp_allocate(((num_records + 1) * sizeof(unsigned *)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2034)
;
2035 unsigned i;
2036 for (i = 0; i <= num_records; i++) {
2037 threadInfo[i] =
2038 (unsigned *)__kmp_allocate((maxIndex + 1) * sizeof(unsigned))___kmp_allocate(((maxIndex + 1) * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2038)
;
2039 }
2040
2041#define CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2041); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2041);
\
2042 for (i = 0; i <= num_records; i++) { \
2043 __kmp_free(threadInfo[i])___kmp_free((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2043)
; \
2044 } \
2045 __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2045)
;
2046
2047 // A value of UINT_MAX means that we didn't find the field
2048 unsigned __index;
2049
2050#define INIT_PROC_INFO(p)for (__index = 0; __index <= maxIndex; __index++) { (p)[__index
] = (2147483647 *2U +1U); }
\
2051 for (__index = 0; __index <= maxIndex; __index++) { \
2052 (p)[__index] = UINT_MAX(2147483647 *2U +1U); \
2053 }
2054
2055 for (i = 0; i <= num_records; i++) {
2056 INIT_PROC_INFO(threadInfo[i])for (__index = 0; __index <= maxIndex; __index++) { (threadInfo
[i])[__index] = (2147483647 *2U +1U); }
;
2057 }
2058
2059 unsigned num_avail = 0;
2060 *line = 0;
2061 while (!feof(f)) {
2062 // Create an inner scoping level, so that all the goto targets at the end of
2063 // the loop appear in an outer scoping level. This avoids warnings about
2064 // jumping past an initialization to a target in the same block.
2065 {
2066 buf[sizeof(buf) - 1] = 1;
2067 bool long_line = false;
2068 if (!fgets(buf, sizeof(buf), f)) {
2069 // Read errors presumably because of EOF
2070 // If there is valid data in threadInfo[num_avail], then fake
2071 // a blank line in ensure that the last address gets parsed.
2072 bool valid = false;
2073 for (i = 0; i <= maxIndex; i++) {
2074 if (threadInfo[num_avail][i] != UINT_MAX(2147483647 *2U +1U)) {
2075 valid = true;
2076 }
2077 }
2078 if (!valid) {
2079 break;
2080 }
2081 buf[0] = 0;
2082 } else if (!buf[sizeof(buf) - 1]) {
2083 // The line is longer than the buffer. Set a flag and don't
2084 // emit an error if we were going to ignore the line, anyway.
2085 long_line = true;
2086
2087#define CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free
((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2087); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2087);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }
\
2088 if (long_line) { \
2089 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2089); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2089);
; \
2090 *msg_id = kmp_i18n_str_LongLineCpuinfo; \
2091 return -1; \
2092 }
2093 }
2094 (*line)++;
2095
2096 char s1[] = "processor";
2097 if (strncmp(buf, s1, sizeof(s1) - 1) == 0) {
2098 CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free
((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2098); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2098);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }
;
2099 char *p = strchr(buf + sizeof(s1) - 1, ':');
2100 unsigned val;
2101 if ((p == NULL__null) || (KMP_SSCANFsscanf(p + 1, "%u\n", &val) != 1))
2102 goto no_val;
2103 if (threadInfo[num_avail][osIdIndex0] != UINT_MAX(2147483647 *2U +1U))
2104#if KMP_ARCH_AARCH640
2105 // Handle the old AArch64 /proc/cpuinfo layout differently,
2106 // it contains all of the 'processor' entries listed in a
2107 // single 'Processor' section, therefore the normal looking
2108 // for duplicates in that section will always fail.
2109 num_avail++;
2110#else
2111 goto dup_field;
2112#endif
2113 threadInfo[num_avail][osIdIndex0] = val;
2114#if KMP_OS_LINUX1 && !(KMP_ARCH_X860 || KMP_ARCH_X86_641)
2115 char path[256];
2116 KMP_SNPRINTFsnprintf(
2117 path, sizeof(path),
2118 "/sys/devices/system/cpu/cpu%u/topology/physical_package_id",
2119 threadInfo[num_avail][osIdIndex0]);
2120 __kmp_read_from_file(path, "%u", &threadInfo[num_avail][pkgIdIndex3]);
2121
2122 KMP_SNPRINTFsnprintf(path, sizeof(path),
2123 "/sys/devices/system/cpu/cpu%u/topology/core_id",
2124 threadInfo[num_avail][osIdIndex0]);
2125 __kmp_read_from_file(path, "%u", &threadInfo[num_avail][coreIdIndex2]);
2126 continue;
2127#else
2128 }
2129 char s2[] = "physical id";
2130 if (strncmp(buf, s2, sizeof(s2) - 1) == 0) {
2131 CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free
((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2131); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2131);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }
;
2132 char *p = strchr(buf + sizeof(s2) - 1, ':');
2133 unsigned val;
2134 if ((p == NULL__null) || (KMP_SSCANFsscanf(p + 1, "%u\n", &val) != 1))
2135 goto no_val;
2136 if (threadInfo[num_avail][pkgIdIndex3] != UINT_MAX(2147483647 *2U +1U))
2137 goto dup_field;
2138 threadInfo[num_avail][pkgIdIndex3] = val;
2139 continue;
2140 }
2141 char s3[] = "core id";
2142 if (strncmp(buf, s3, sizeof(s3) - 1) == 0) {
2143 CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free
((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2143); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2143);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }
;
2144 char *p = strchr(buf + sizeof(s3) - 1, ':');
2145 unsigned val;
2146 if ((p == NULL__null) || (KMP_SSCANFsscanf(p + 1, "%u\n", &val) != 1))
2147 goto no_val;
2148 if (threadInfo[num_avail][coreIdIndex2] != UINT_MAX(2147483647 *2U +1U))
2149 goto dup_field;
2150 threadInfo[num_avail][coreIdIndex2] = val;
2151 continue;
2152#endif // KMP_OS_LINUX && USE_SYSFS_INFO
2153 }
2154 char s4[] = "thread id";
2155 if (strncmp(buf, s4, sizeof(s4) - 1) == 0) {
2156 CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free
((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2156); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2156);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }
;
2157 char *p = strchr(buf + sizeof(s4) - 1, ':');
2158 unsigned val;
2159 if ((p == NULL__null) || (KMP_SSCANFsscanf(p + 1, "%u\n", &val) != 1))
2160 goto no_val;
2161 if (threadInfo[num_avail][threadIdIndex1] != UINT_MAX(2147483647 *2U +1U))
2162 goto dup_field;
2163 threadInfo[num_avail][threadIdIndex1] = val;
2164 continue;
2165 }
2166 unsigned level;
2167 if (KMP_SSCANFsscanf(buf, "node_%u id", &level) == 1) {
2168 CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free
((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2168); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2168);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }
;
2169 char *p = strchr(buf + sizeof(s4) - 1, ':');
2170 unsigned val;
2171 if ((p == NULL__null) || (KMP_SSCANFsscanf(p + 1, "%u\n", &val) != 1))
2172 goto no_val;
2173 KMP_ASSERT(nodeIdIndex + level <= maxIndex)((4 + level <= maxIndex) ? 0 : __kmp_debug_assert("nodeIdIndex + level <= maxIndex"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2173))
;
2174 if (threadInfo[num_avail][nodeIdIndex4 + level] != UINT_MAX(2147483647 *2U +1U))
2175 goto dup_field;
2176 threadInfo[num_avail][nodeIdIndex4 + level] = val;
2177 continue;
2178 }
2179
2180 // We didn't recognize the leading token on the line. There are lots of
2181 // leading tokens that we don't recognize - if the line isn't empty, go on
2182 // to the next line.
2183 if ((*buf != 0) && (*buf != '\n')) {
2184 // If the line is longer than the buffer, read characters
2185 // until we find a newline.
2186 if (long_line) {
2187 int ch;
2188 while (((ch = fgetc(f)) != EOF(-1)) && (ch != '\n'))
2189 ;
2190 }
2191 continue;
2192 }
2193
2194 // A newline has signalled the end of the processor record.
2195 // Check that there aren't too many procs specified.
2196 if ((int)num_avail == __kmp_xproc) {
2197 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2197); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2197);
;
2198 *msg_id = kmp_i18n_str_TooManyEntries;
2199 return -1;
2200 }
2201
2202 // Check for missing fields. The osId field must be there, and we
2203 // currently require that the physical id field is specified, also.
2204 if (threadInfo[num_avail][osIdIndex0] == UINT_MAX(2147483647 *2U +1U)) {
2205 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2205); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2205);
;
2206 *msg_id = kmp_i18n_str_MissingProcField;
2207 return -1;
2208 }
2209 if (threadInfo[0][pkgIdIndex3] == UINT_MAX(2147483647 *2U +1U)) {
2210 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2210); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2210);
;
2211 *msg_id = kmp_i18n_str_MissingPhysicalIDField;
2212 return -1;
2213 }
2214
2215 // Skip this proc if it is not included in the machine model.
2216 if (!KMP_CPU_ISSET(threadInfo[num_avail][osIdIndex],(__kmp_affin_fullMask)->is_set(threadInfo[num_avail][0])
2217 __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(threadInfo[num_avail][0])) {
2218 INIT_PROC_INFO(threadInfo[num_avail])for (__index = 0; __index <= maxIndex; __index++) { (threadInfo
[num_avail])[__index] = (2147483647 *2U +1U); }
;
2219 continue;
2220 }
2221
2222 // We have a successful parse of this proc's info.
2223 // Increment the counter, and prepare for the next proc.
2224 num_avail++;
2225 KMP_ASSERT(num_avail <= num_records)((num_avail <= num_records) ? 0 : __kmp_debug_assert("num_avail <= num_records"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2225))
;
2226 INIT_PROC_INFO(threadInfo[num_avail])for (__index = 0; __index <= maxIndex; __index++) { (threadInfo
[num_avail])[__index] = (2147483647 *2U +1U); }
;
2227 }
2228 continue;
2229
2230 no_val:
2231 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2231); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2231);
;
2232 *msg_id = kmp_i18n_str_MissingValCpuinfo;
2233 return -1;
2234
2235 dup_field:
2236 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2236); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2236);
;
2237 *msg_id = kmp_i18n_str_DuplicateFieldCpuinfo;
2238 return -1;
2239 }
2240 *line = 0;
2241
2242#if KMP_MIC0 && REDUCE_TEAM_SIZE
2243 unsigned teamSize = 0;
2244#endif // KMP_MIC && REDUCE_TEAM_SIZE
2245
2246 // check for num_records == __kmp_xproc ???
2247
2248 // If there's only one thread context to bind to, form an Address object with
2249 // depth 1 and return immediately (or, if affinity is off, set address2os to
2250 // NULL and return).
2251 //
2252 // If it is configured to omit the package level when there is only a single
2253 // package, the logic at the end of this routine won't work if there is only a
2254 // single thread - it would try to form an Address object with depth 0.
2255 KMP_ASSERT(num_avail > 0)((num_avail > 0) ? 0 : __kmp_debug_assert("num_avail > 0"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2255))
;
2256 KMP_ASSERT(num_avail <= num_records)((num_avail <= num_records) ? 0 : __kmp_debug_assert("num_avail <= num_records"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2256))
;
2257 if (num_avail == 1) {
2258 __kmp_ncores = 1;
2259 __kmp_nThreadsPerCore = nCoresPerPkg = nPackages = 1;
2260 if (__kmp_affinity_verbose) {
2261 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
2262 KMP_INFORM(AffNotCapableUseCpuinfo, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffNotCapableUseCpuinfo
, "KMP_AFFINITY"), __kmp_msg_null)
;
2263 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
2264 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
2265 } else {
2266 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
2267 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024,
2268 __kmp_affin_fullMask);
2269 KMP_INFORM(AffCapableUseCpuinfo, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffCapableUseCpuinfo
, "KMP_AFFINITY"), __kmp_msg_null)
;
2270 if (__kmp_affinity_respect_mask) {
2271 KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
2272 } else {
2273 KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
2274 }
2275 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
2276 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
2277 }
2278 int index;
2279 kmp_str_buf_t buf;
2280 __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size
= sizeof((&buf)->bulk); (&buf)->used = 0; (&
buf)->bulk[0] = 0; }
;
2281 __kmp_str_buf_print(&buf, "1");
2282 for (index = maxIndex - 1; index > pkgIdIndex3; index--) {
2283 __kmp_str_buf_print(&buf, " x 1");
2284 }
2285 KMP_INFORM(TopologyExtra, "KMP_AFFINITY", buf.str, 1, 1, 1)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra
, "KMP_AFFINITY", buf.str, 1, 1, 1), __kmp_msg_null)
;
2286 __kmp_str_buf_free(&buf);
2287 }
2288
2289 if (__kmp_affinity_type == affinity_none) {
2290 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2290); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2290);
;
2291 return 0;
2292 }
2293
2294 *address2os = (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair))___kmp_allocate((sizeof(AddrUnsPair)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2294)
;
2295 Address addr(1);
2296 addr.labels[0] = threadInfo[0][pkgIdIndex3];
2297 (*address2os)[0] = AddrUnsPair(addr, threadInfo[0][osIdIndex0]);
2298
2299 if (__kmp_affinity_gran_levels < 0) {
2300 __kmp_affinity_gran_levels = 0;
2301 }
2302
2303 if (__kmp_affinity_verbose) {
2304 __kmp_affinity_print_topology(*address2os, 1, 1, 0, -1, -1);
2305 }
2306
2307 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2307); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2307);
;
2308 return 1;
2309 }
2310
2311 // Sort the threadInfo table by physical Id.
2312 qsort(threadInfo, num_avail, sizeof(*threadInfo),
2313 __kmp_affinity_cmp_ProcCpuInfo_phys_id);
2314
2315 // The table is now sorted by pkgId / coreId / threadId, but we really don't
2316 // know the radix of any of the fields. pkgId's may be sparsely assigned among
2317 // the chips on a system. Although coreId's are usually assigned
2318 // [0 .. coresPerPkg-1] and threadId's are usually assigned
2319 // [0..threadsPerCore-1], we don't want to make any such assumptions.
2320 //
2321 // For that matter, we don't know what coresPerPkg and threadsPerCore (or the
2322 // total # packages) are at this point - we want to determine that now. We
2323 // only have an upper bound on the first two figures.
2324 unsigned *counts =
2325 (unsigned *)__kmp_allocate((maxIndex + 1) * sizeof(unsigned))___kmp_allocate(((maxIndex + 1) * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2325)
;
2326 unsigned *maxCt =
2327 (unsigned *)__kmp_allocate((maxIndex + 1) * sizeof(unsigned))___kmp_allocate(((maxIndex + 1) * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2327)
;
2328 unsigned *totals =
2329 (unsigned *)__kmp_allocate((maxIndex + 1) * sizeof(unsigned))___kmp_allocate(((maxIndex + 1) * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2329)
;
2330 unsigned *lastId =
2331 (unsigned *)__kmp_allocate((maxIndex + 1) * sizeof(unsigned))___kmp_allocate(((maxIndex + 1) * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2331)
;
2332
2333 bool assign_thread_ids = false;
2334 unsigned threadIdCt;
2335 unsigned index;
2336
2337restart_radix_check:
2338 threadIdCt = 0;
2339
2340 // Initialize the counter arrays with data from threadInfo[0].
2341 if (assign_thread_ids) {
2342 if (threadInfo[0][threadIdIndex1] == UINT_MAX(2147483647 *2U +1U)) {
2343 threadInfo[0][threadIdIndex1] = threadIdCt++;
2344 } else if (threadIdCt <= threadInfo[0][threadIdIndex1]) {
2345 threadIdCt = threadInfo[0][threadIdIndex1] + 1;
2346 }
2347 }
2348 for (index = 0; index <= maxIndex; index++) {
2349 counts[index] = 1;
2350 maxCt[index] = 1;
2351 totals[index] = 1;
2352 lastId[index] = threadInfo[0][index];
2353 ;
2354 }
2355
2356 // Run through the rest of the OS procs.
2357 for (i = 1; i < num_avail; i++) {
2358 // Find the most significant index whose id differs from the id for the
2359 // previous OS proc.
2360 for (index = maxIndex; index >= threadIdIndex1; index--) {
2361 if (assign_thread_ids && (index == threadIdIndex1)) {
2362 // Auto-assign the thread id field if it wasn't specified.
2363 if (threadInfo[i][threadIdIndex1] == UINT_MAX(2147483647 *2U +1U)) {
2364 threadInfo[i][threadIdIndex1] = threadIdCt++;
2365 }
2366 // Apparently the thread id field was specified for some entries and not
2367 // others. Start the thread id counter off at the next higher thread id.
2368 else if (threadIdCt <= threadInfo[i][threadIdIndex1]) {
2369 threadIdCt = threadInfo[i][threadIdIndex1] + 1;
2370 }
2371 }
2372 if (threadInfo[i][index] != lastId[index]) {
2373 // Run through all indices which are less significant, and reset the
2374 // counts to 1. At all levels up to and including index, we need to
2375 // increment the totals and record the last id.
2376 unsigned index2;
2377 for (index2 = threadIdIndex1; index2 < index; index2++) {
2378 totals[index2]++;
2379 if (counts[index2] > maxCt[index2]) {
2380 maxCt[index2] = counts[index2];
2381 }
2382 counts[index2] = 1;
2383 lastId[index2] = threadInfo[i][index2];
2384 }
2385 counts[index]++;
2386 totals[index]++;
2387 lastId[index] = threadInfo[i][index];
2388
2389 if (assign_thread_ids && (index > threadIdIndex1)) {
2390
2391#if KMP_MIC0 && REDUCE_TEAM_SIZE
2392 // The default team size is the total #threads in the machine
2393 // minus 1 thread for every core that has 3 or more threads.
2394 teamSize += (threadIdCt <= 2) ? (threadIdCt) : (threadIdCt - 1);
2395#endif // KMP_MIC && REDUCE_TEAM_SIZE
2396
2397 // Restart the thread counter, as we are on a new core.
2398 threadIdCt = 0;
2399
2400 // Auto-assign the thread id field if it wasn't specified.
2401 if (threadInfo[i][threadIdIndex1] == UINT_MAX(2147483647 *2U +1U)) {
2402 threadInfo[i][threadIdIndex1] = threadIdCt++;
2403 }
2404
2405 // Aparrently the thread id field was specified for some entries and
2406 // not others. Start the thread id counter off at the next higher
2407 // thread id.
2408 else if (threadIdCt <= threadInfo[i][threadIdIndex1]) {
2409 threadIdCt = threadInfo[i][threadIdIndex1] + 1;
2410 }
2411 }
2412 break;
2413 }
2414 }
2415 if (index < threadIdIndex1) {
2416 // If thread ids were specified, it is an error if they are not unique.
2417 // Also, check that we waven't already restarted the loop (to be safe -
2418 // shouldn't need to).
2419 if ((threadInfo[i][threadIdIndex1] != UINT_MAX(2147483647 *2U +1U)) || assign_thread_ids) {
2420 __kmp_free(lastId)___kmp_free((lastId), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2420)
;
2421 __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2421)
;
2422 __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2422)
;
2423 __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2423)
;
2424 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2424); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2424);
;
2425 *msg_id = kmp_i18n_str_PhysicalIDsNotUnique;
2426 return -1;
2427 }
2428
2429 // If the thread ids were not specified and we see entries entries that
2430 // are duplicates, start the loop over and assign the thread ids manually.
2431 assign_thread_ids = true;
2432 goto restart_radix_check;
2433 }
2434 }
2435
2436#if KMP_MIC0 && REDUCE_TEAM_SIZE
2437 // The default team size is the total #threads in the machine
2438 // minus 1 thread for every core that has 3 or more threads.
2439 teamSize += (threadIdCt <= 2) ? (threadIdCt) : (threadIdCt - 1);
2440#endif // KMP_MIC && REDUCE_TEAM_SIZE
2441
2442 for (index = threadIdIndex1; index <= maxIndex; index++) {
2443 if (counts[index] > maxCt[index]) {
2444 maxCt[index] = counts[index];
2445 }
2446 }
2447
2448 __kmp_nThreadsPerCore = maxCt[threadIdIndex1];
2449 nCoresPerPkg = maxCt[coreIdIndex2];
2450 nPackages = totals[pkgIdIndex3];
2451
2452 // Check to see if the machine topology is uniform
2453 unsigned prod = totals[maxIndex];
2454 for (index = threadIdIndex1; index < maxIndex; index++) {
2455 prod *= maxCt[index];
2456 }
2457 bool uniform = (prod == totals[threadIdIndex1]);
2458
2459 // When affinity is off, this routine will still be called to set
2460 // __kmp_ncores, as well as __kmp_nThreadsPerCore, nCoresPerPkg, & nPackages.
2461 // Make sure all these vars are set correctly, and return now if affinity is
2462 // not enabled.
2463 __kmp_ncores = totals[coreIdIndex2];
2464
2465 if (__kmp_affinity_verbose) {
2466 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
2467 KMP_INFORM(AffNotCapableUseCpuinfo, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffNotCapableUseCpuinfo
, "KMP_AFFINITY"), __kmp_msg_null)
;
2468 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
2469 if (uniform) {
2470 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
2471 } else {
2472 KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
2473 }
2474 } else {
2475 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
2476 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024,
2477 __kmp_affin_fullMask);
2478 KMP_INFORM(AffCapableUseCpuinfo, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffCapableUseCpuinfo
, "KMP_AFFINITY"), __kmp_msg_null)
;
2479 if (__kmp_affinity_respect_mask) {
2480 KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
2481 } else {
2482 KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect
, "KMP_AFFINITY", buf), __kmp_msg_null)
;
2483 }
2484 KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null)
;
2485 if (uniform) {
2486 KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
2487 } else {
2488 KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform
, "KMP_AFFINITY"), __kmp_msg_null)
;
2489 }
2490 }
2491 kmp_str_buf_t buf;
2492 __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size
= sizeof((&buf)->bulk); (&buf)->used = 0; (&
buf)->bulk[0] = 0; }
;
2493
2494 __kmp_str_buf_print(&buf, "%d", totals[maxIndex]);
2495 for (index = maxIndex - 1; index >= pkgIdIndex3; index--) {
2496 __kmp_str_buf_print(&buf, " x %d", maxCt[index]);
2497 }
2498 KMP_INFORM(TopologyExtra, "KMP_AFFINITY", buf.str, maxCt[coreIdIndex],__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra
, "KMP_AFFINITY", buf.str, maxCt[2], maxCt[1], __kmp_ncores),
__kmp_msg_null)
2499 maxCt[threadIdIndex], __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra
, "KMP_AFFINITY", buf.str, maxCt[2], maxCt[1], __kmp_ncores),
__kmp_msg_null)
;
2500
2501 __kmp_str_buf_free(&buf);
2502 }
2503
2504#if KMP_MIC0 && REDUCE_TEAM_SIZE
2505 // Set the default team size.
2506 if ((__kmp_dflt_team_nth == 0) && (teamSize > 0)) {
2507 __kmp_dflt_team_nth = teamSize;
2508 KA_TRACE(20, ("__kmp_affinity_create_cpuinfo_map: setting "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_affinity_create_cpuinfo_map: setting "
"__kmp_dflt_team_nth = %d\n", __kmp_dflt_team_nth); }
2509 "__kmp_dflt_team_nth = %d\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_affinity_create_cpuinfo_map: setting "
"__kmp_dflt_team_nth = %d\n", __kmp_dflt_team_nth); }
2510 __kmp_dflt_team_nth))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_affinity_create_cpuinfo_map: setting "
"__kmp_dflt_team_nth = %d\n", __kmp_dflt_team_nth); }
;
2511 }
2512#endif // KMP_MIC && REDUCE_TEAM_SIZE
2513
2514 KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2514))
;
2515 KMP_DEBUG_ASSERT(num_avail == __kmp_avail_proc)((num_avail == __kmp_avail_proc) ? 0 : __kmp_debug_assert("num_avail == __kmp_avail_proc"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2515))
;
2516 __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2516)
;
2517 for (i = 0; i < num_avail; ++i) { // fill the os indices
2518 __kmp_pu_os_idx[i] = threadInfo[i][osIdIndex0];
2519 }
2520
2521 if (__kmp_affinity_type == affinity_none) {
2522 __kmp_free(lastId)___kmp_free((lastId), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2522)
;
2523 __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2523)
;
2524 __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2524)
;
2525 __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2525)
;
2526 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2526); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2526);
;
2527 return 0;
2528 }
2529
2530 // Count the number of levels which have more nodes at that level than at the
2531 // parent's level (with there being an implicit root node of the top level).
2532 // This is equivalent to saying that there is at least one node at this level
2533 // which has a sibling. These levels are in the map, and the package level is
2534 // always in the map.
2535 bool *inMap = (bool *)__kmp_allocate((maxIndex + 1) * sizeof(bool))___kmp_allocate(((maxIndex + 1) * sizeof(bool)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2535)
;
2536 int level = 0;
2537 for (index = threadIdIndex1; index < maxIndex; index++) {
2538 KMP_ASSERT(totals[index] >= totals[index + 1])((totals[index] >= totals[index + 1]) ? 0 : __kmp_debug_assert
("totals[index] >= totals[index + 1]", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2538))
;
2539 inMap[index] = (totals[index] > totals[index + 1]);
2540 }
2541 inMap[maxIndex] = (totals[maxIndex] > 1);
2542 inMap[pkgIdIndex3] = true;
2543
2544 int depth = 0;
2545 for (index = threadIdIndex1; index <= maxIndex; index++) {
2546 if (inMap[index]) {
2547 depth++;
2548 }
2549 }
2550 KMP_ASSERT(depth > 0)((depth > 0) ? 0 : __kmp_debug_assert("depth > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2550))
;
2551
2552 // Construct the data structure that is to be returned.
2553 *address2os = (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) * num_avail)___kmp_allocate((sizeof(AddrUnsPair) * num_avail), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2553)
;
2554 int pkgLevel = -1;
2555 int coreLevel = -1;
2556 int threadLevel = -1;
2557
2558 for (i = 0; i < num_avail; ++i) {
2559 Address addr(depth);
2560 unsigned os = threadInfo[i][osIdIndex0];
2561 int src_index;
2562 int dst_index = 0;
2563
2564 for (src_index = maxIndex; src_index >= threadIdIndex1; src_index--) {
2565 if (!inMap[src_index]) {
2566 continue;
2567 }
2568 addr.labels[dst_index] = threadInfo[i][src_index];
2569 if (src_index == pkgIdIndex3) {
2570 pkgLevel = dst_index;
2571 } else if (src_index == coreIdIndex2) {
2572 coreLevel = dst_index;
2573 } else if (src_index == threadIdIndex1) {
2574 threadLevel = dst_index;
2575 }
2576 dst_index++;
2577 }
2578 (*address2os)[i] = AddrUnsPair(addr, os);
2579 }
2580
2581 if (__kmp_affinity_gran_levels < 0) {
2582 // Set the granularity level based on what levels are modeled
2583 // in the machine topology map.
2584 unsigned src_index;
2585 __kmp_affinity_gran_levels = 0;
2586 for (src_index = threadIdIndex1; src_index <= maxIndex; src_index++) {
2587 if (!inMap[src_index]) {
2588 continue;
2589 }
2590 switch (src_index) {
2591 case threadIdIndex1:
2592 if (__kmp_affinity_gran > affinity_gran_thread) {
2593 __kmp_affinity_gran_levels++;
2594 }
2595
2596 break;
2597 case coreIdIndex2:
2598 if (__kmp_affinity_gran > affinity_gran_core) {
2599 __kmp_affinity_gran_levels++;
2600 }
2601 break;
2602
2603 case pkgIdIndex3:
2604 if (__kmp_affinity_gran > affinity_gran_package) {
2605 __kmp_affinity_gran_levels++;
2606 }
2607 break;
2608 }
2609 }
2610 }
2611
2612 if (__kmp_affinity_verbose) {
2613 __kmp_affinity_print_topology(*address2os, num_avail, depth, pkgLevel,
2614 coreLevel, threadLevel);
2615 }
2616
2617 __kmp_free(inMap)___kmp_free((inMap), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2617)
;
2618 __kmp_free(lastId)___kmp_free((lastId), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2618)
;
2619 __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2619)
;
2620 __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2620)
;
2621 __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2621)
;
2622 CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo
[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2622); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2622);
;
2623 return depth;
2624}
2625
2626// Create and return a table of affinity masks, indexed by OS thread ID.
2627// This routine handles OR'ing together all the affinity masks of threads
2628// that are sufficiently close, if granularity > fine.
2629static kmp_affin_mask_t *__kmp_create_masks(unsigned *maxIndex,
2630 unsigned *numUnique,
2631 AddrUnsPair *address2os,
2632 unsigned numAddrs) {
2633 // First form a table of affinity masks in order of OS thread id.
2634 unsigned depth;
2635 unsigned maxOsId;
2636 unsigned i;
2637
2638 KMP_ASSERT(numAddrs > 0)((numAddrs > 0) ? 0 : __kmp_debug_assert("numAddrs > 0"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2638))
;
2639 depth = address2os[0].first.depth;
2640
2641 maxOsId = 0;
2642 for (i = numAddrs - 1;; --i) {
2643 unsigned osId = address2os[i].second;
2644 if (osId > maxOsId) {
2645 maxOsId = osId;
2646 }
2647 if (i == 0)
2648 break;
2649 }
2650 kmp_affin_mask_t *osId2Mask;
2651 KMP_CPU_ALLOC_ARRAY(osId2Mask, (maxOsId + 1))(osId2Mask = __kmp_affinity_dispatch->allocate_mask_array(
(maxOsId + 1)))
;
2652
2653 // Sort the address2os table according to physical order. Doing so will put
2654 // all threads on the same core/package/node in consecutive locations.
2655 qsort(address2os, numAddrs, sizeof(*address2os),
2656 __kmp_affinity_cmp_Address_labels);
2657
2658 KMP_ASSERT(__kmp_affinity_gran_levels >= 0)((__kmp_affinity_gran_levels >= 0) ? 0 : __kmp_debug_assert
("__kmp_affinity_gran_levels >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2658))
;
2659 if (__kmp_affinity_verbose && (__kmp_affinity_gran_levels > 0)) {
2660 KMP_INFORM(ThreadsMigrate, "KMP_AFFINITY", __kmp_affinity_gran_levels)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_ThreadsMigrate
, "KMP_AFFINITY", __kmp_affinity_gran_levels), __kmp_msg_null
)
;
2661 }
2662 if (__kmp_affinity_gran_levels >= (int)depth) {
2663 if (__kmp_affinity_verbose ||
2664 (__kmp_affinity_warnings && (__kmp_affinity_type != affinity_none))) {
2665 KMP_WARNING(AffThreadsMayMigrate)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffThreadsMayMigrate
), __kmp_msg_null)
;
2666 }
2667 }
2668
2669 // Run through the table, forming the masks for all threads on each core.
2670 // Threads on the same core will have identical "Address" objects, not
2671 // considering the last level, which must be the thread id. All threads on a
2672 // core will appear consecutively.
2673 unsigned unique = 0;
2674 unsigned j = 0; // index of 1st thread on core
2675 unsigned leader = 0;
2676 Address *leaderAddr = &(address2os[0].first);
2677 kmp_affin_mask_t *sum;
2678 KMP_CPU_ALLOC_ON_STACK(sum)(sum = __kmp_affinity_dispatch->allocate_mask());
2679 KMP_CPU_ZERO(sum)(sum)->zero();
2680 KMP_CPU_SET(address2os[0].second, sum)(sum)->set(address2os[0].second);
2681 for (i = 1; i < numAddrs; i++) {
2682 // If this thread is sufficiently close to the leader (within the
2683 // granularity setting), then set the bit for this os thread in the
2684 // affinity mask for this group, and go on to the next thread.
2685 if (leaderAddr->isClose(address2os[i].first, __kmp_affinity_gran_levels)) {
2686 KMP_CPU_SET(address2os[i].second, sum)(sum)->set(address2os[i].second);
2687 continue;
2688 }
2689
2690 // For every thread in this group, copy the mask to the thread's entry in
2691 // the osId2Mask table. Mark the first address as a leader.
2692 for (; j < i; j++) {
2693 unsigned osId = address2os[j].second;
2694 KMP_DEBUG_ASSERT(osId <= maxOsId)((osId <= maxOsId) ? 0 : __kmp_debug_assert("osId <= maxOsId"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2694))
;
2695 kmp_affin_mask_t *mask = KMP_CPU_INDEX(osId2Mask, osId)__kmp_affinity_dispatch->index_mask_array(osId2Mask, osId);
2696 KMP_CPU_COPY(mask, sum)(mask)->copy(sum);
2697 address2os[j].first.leader = (j == leader);
2698 }
2699 unique++;
2700
2701 // Start a new mask.
2702 leader = i;
2703 leaderAddr = &(address2os[i].first);
2704 KMP_CPU_ZERO(sum)(sum)->zero();
2705 KMP_CPU_SET(address2os[i].second, sum)(sum)->set(address2os[i].second);
2706 }
2707
2708 // For every thread in last group, copy the mask to the thread's
2709 // entry in the osId2Mask table.
2710 for (; j < i; j++) {
2711 unsigned osId = address2os[j].second;
2712 KMP_DEBUG_ASSERT(osId <= maxOsId)((osId <= maxOsId) ? 0 : __kmp_debug_assert("osId <= maxOsId"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2712))
;
2713 kmp_affin_mask_t *mask = KMP_CPU_INDEX(osId2Mask, osId)__kmp_affinity_dispatch->index_mask_array(osId2Mask, osId);
2714 KMP_CPU_COPY(mask, sum)(mask)->copy(sum);
2715 address2os[j].first.leader = (j == leader);
2716 }
2717 unique++;
2718 KMP_CPU_FREE_FROM_STACK(sum)__kmp_affinity_dispatch->deallocate_mask(sum);
2719
2720 *maxIndex = maxOsId;
2721 *numUnique = unique;
2722 return osId2Mask;
2723}
2724
2725// Stuff for the affinity proclist parsers. It's easier to declare these vars
2726// as file-static than to try and pass them through the calling sequence of
2727// the recursive-descent OMP_PLACES parser.
2728static kmp_affin_mask_t *newMasks;
2729static int numNewMasks;
2730static int nextNewMask;
2731
2732#define ADD_MASK(_mask) \
2733 { \
2734 if (nextNewMask >= numNewMasks) { \
2735 int i; \
2736 numNewMasks *= 2; \
2737 kmp_affin_mask_t *temp; \
2738 KMP_CPU_INTERNAL_ALLOC_ARRAY(temp, numNewMasks)(temp = __kmp_affinity_dispatch->allocate_mask_array(numNewMasks
))
; \
2739 for (i = 0; i < numNewMasks / 2; i++) { \
2740 kmp_affin_mask_t *src = KMP_CPU_INDEX(newMasks, i)__kmp_affinity_dispatch->index_mask_array(newMasks, i); \
2741 kmp_affin_mask_t *dest = KMP_CPU_INDEX(temp, i)__kmp_affinity_dispatch->index_mask_array(temp, i); \
2742 KMP_CPU_COPY(dest, src)(dest)->copy(src); \
2743 } \
2744 KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks / 2)__kmp_affinity_dispatch->deallocate_mask_array(newMasks); \
2745 newMasks = temp; \
2746 } \
2747 KMP_CPU_COPY(KMP_CPU_INDEX(newMasks, nextNewMask), (_mask))(__kmp_affinity_dispatch->index_mask_array(newMasks, nextNewMask
))->copy((_mask))
; \
2748 nextNewMask++; \
2749 }
2750
2751#define ADD_MASK_OSID(_osId, _osId2Mask, _maxOsId) \
2752 { \
2753 if (((_osId) > _maxOsId) || \
2754 (!KMP_CPU_ISSET((_osId), KMP_CPU_INDEX((_osId2Mask), (_osId)))(__kmp_affinity_dispatch->index_mask_array((_osId2Mask), (
_osId)))->is_set((_osId))
)) { \
2755 if (__kmp_affinity_verbose || \
2756 (__kmp_affinity_warnings && \
2757 (__kmp_affinity_type != affinity_none))) { \
2758 KMP_WARNING(AffIgnoreInvalidProcID, _osId)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID
, _osId), __kmp_msg_null)
; \
2759 } \
2760 } else { \
2761 ADD_MASK(KMP_CPU_INDEX(_osId2Mask, (_osId))__kmp_affinity_dispatch->index_mask_array(_osId2Mask, (_osId
))
); \
2762 } \
2763 }
2764
2765// Re-parse the proclist (for the explicit affinity type), and form the list
2766// of affinity newMasks indexed by gtid.
2767static void __kmp_affinity_process_proclist(kmp_affin_mask_t **out_masks,
2768 unsigned int *out_numMasks,
2769 const char *proclist,
2770 kmp_affin_mask_t *osId2Mask,
2771 int maxOsId) {
2772 int i;
2773 const char *scan = proclist;
2774 const char *next = proclist;
2775
2776 // We use malloc() for the temporary mask vector, so that we can use
2777 // realloc() to extend it.
2778 numNewMasks = 2;
2779 KMP_CPU_INTERNAL_ALLOC_ARRAY(newMasks, numNewMasks)(newMasks = __kmp_affinity_dispatch->allocate_mask_array(numNewMasks
))
;
2780 nextNewMask = 0;
2781 kmp_affin_mask_t *sumMask;
2782 KMP_CPU_ALLOC(sumMask)(sumMask = __kmp_affinity_dispatch->allocate_mask());
2783 int setSize = 0;
2784
2785 for (;;) {
2786 int start, end, stride;
2787
2788 SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; };
2789 next = scan;
2790 if (*next == '\0') {
2791 break;
2792 }
2793
2794 if (*next == '{') {
2795 int num;
2796 setSize = 0;
2797 next++; // skip '{'
2798 SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; };
2799 scan = next;
2800
2801 // Read the first integer in the set.
2802 KMP_ASSERT2((*next >= '0') && (*next <= '9'), "bad proclist")(((*next >= '0') && (*next <= '9')) ? 0 : __kmp_debug_assert
(("bad proclist"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2802))
;
2803 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
2804 num = __kmp_str_to_int(scan, *next);
2805 KMP_ASSERT2(num >= 0, "bad explicit proc list")((num >= 0) ? 0 : __kmp_debug_assert(("bad explicit proc list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2805))
;
2806
2807 // Copy the mask for that osId to the sum (union) mask.
2808 if ((num > maxOsId) ||
2809 (!KMP_CPU_ISSET(num, KMP_CPU_INDEX(osId2Mask, num))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, num)
)->is_set(num)
)) {
2810 if (__kmp_affinity_verbose ||
2811 (__kmp_affinity_warnings &&
2812 (__kmp_affinity_type != affinity_none))) {
2813 KMP_WARNING(AffIgnoreInvalidProcID, num)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID
, num), __kmp_msg_null)
;
2814 }
2815 KMP_CPU_ZERO(sumMask)(sumMask)->zero();
2816 } else {
2817 KMP_CPU_COPY(sumMask, KMP_CPU_INDEX(osId2Mask, num))(sumMask)->copy(__kmp_affinity_dispatch->index_mask_array
(osId2Mask, num))
;
2818 setSize = 1;
2819 }
2820
2821 for (;;) {
2822 // Check for end of set.
2823 SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; };
2824 if (*next == '}') {
2825 next++; // skip '}'
2826 break;
2827 }
2828
2829 // Skip optional comma.
2830 if (*next == ',') {
2831 next++;
2832 }
2833 SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; };
2834
2835 // Read the next integer in the set.
2836 scan = next;
2837 KMP_ASSERT2((*next >= '0') && (*next <= '9'), "bad explicit proc list")(((*next >= '0') && (*next <= '9')) ? 0 : __kmp_debug_assert
(("bad explicit proc list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2837))
;
2838
2839 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
2840 num = __kmp_str_to_int(scan, *next);
2841 KMP_ASSERT2(num >= 0, "bad explicit proc list")((num >= 0) ? 0 : __kmp_debug_assert(("bad explicit proc list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2841))
;
2842
2843 // Add the mask for that osId to the sum mask.
2844 if ((num > maxOsId) ||
2845 (!KMP_CPU_ISSET(num, KMP_CPU_INDEX(osId2Mask, num))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, num)
)->is_set(num)
)) {
2846 if (__kmp_affinity_verbose ||
2847 (__kmp_affinity_warnings &&
2848 (__kmp_affinity_type != affinity_none))) {
2849 KMP_WARNING(AffIgnoreInvalidProcID, num)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID
, num), __kmp_msg_null)
;
2850 }
2851 } else {
2852 KMP_CPU_UNION(sumMask, KMP_CPU_INDEX(osId2Mask, num))(sumMask)->bitwise_or(__kmp_affinity_dispatch->index_mask_array
(osId2Mask, num))
;
2853 setSize++;
2854 }
2855 }
2856 if (setSize > 0) {
2857 ADD_MASK(sumMask);
2858 }
2859
2860 SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; };
2861 if (*next == ',') {
2862 next++;
2863 }
2864 scan = next;
2865 continue;
2866 }
2867
2868 // Read the first integer.
2869 KMP_ASSERT2((*next >= '0') && (*next <= '9'), "bad explicit proc list")(((*next >= '0') && (*next <= '9')) ? 0 : __kmp_debug_assert
(("bad explicit proc list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2869))
;
2870 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
2871 start = __kmp_str_to_int(scan, *next);
2872 KMP_ASSERT2(start >= 0, "bad explicit proc list")((start >= 0) ? 0 : __kmp_debug_assert(("bad explicit proc list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2872))
;
2873 SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; };
2874
2875 // If this isn't a range, then add a mask to the list and go on.
2876 if (*next != '-') {
2877 ADD_MASK_OSID(start, osId2Mask, maxOsId);
2878
2879 // Skip optional comma.
2880 if (*next == ',') {
2881 next++;
2882 }
2883 scan = next;
2884 continue;
2885 }
2886
2887 // This is a range. Skip over the '-' and read in the 2nd int.
2888 next++; // skip '-'
2889 SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; };
2890 scan = next;
2891 KMP_ASSERT2((*next >= '0') && (*next <= '9'), "bad explicit proc list")(((*next >= '0') && (*next <= '9')) ? 0 : __kmp_debug_assert
(("bad explicit proc list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2891))
;
2892 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
2893 end = __kmp_str_to_int(scan, *next);
2894 KMP_ASSERT2(end >= 0, "bad explicit proc list")((end >= 0) ? 0 : __kmp_debug_assert(("bad explicit proc list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2894))
;
2895
2896 // Check for a stride parameter
2897 stride = 1;
2898 SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; };
2899 if (*next == ':') {
2900 // A stride is specified. Skip over the ':" and read the 3rd int.
2901 int sign = +1;
2902 next++; // skip ':'
2903 SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; };
2904 scan = next;
2905 if (*next == '-') {
2906 sign = -1;
2907 next++;
2908 SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; };
2909 scan = next;
2910 }
2911 KMP_ASSERT2((*next >= '0') && (*next <= '9'), "bad explicit proc list")(((*next >= '0') && (*next <= '9')) ? 0 : __kmp_debug_assert
(("bad explicit proc list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2911))
;
2912 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
2913 stride = __kmp_str_to_int(scan, *next);
2914 KMP_ASSERT2(stride >= 0, "bad explicit proc list")((stride >= 0) ? 0 : __kmp_debug_assert(("bad explicit proc list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2914))
;
2915 stride *= sign;
2916 }
2917
2918 // Do some range checks.
2919 KMP_ASSERT2(stride != 0, "bad explicit proc list")((stride != 0) ? 0 : __kmp_debug_assert(("bad explicit proc list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2919))
;
2920 if (stride > 0) {
2921 KMP_ASSERT2(start <= end, "bad explicit proc list")((start <= end) ? 0 : __kmp_debug_assert(("bad explicit proc list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2921))
;
2922 } else {
2923 KMP_ASSERT2(start >= end, "bad explicit proc list")((start >= end) ? 0 : __kmp_debug_assert(("bad explicit proc list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2923))
;
2924 }
2925 KMP_ASSERT2((end - start) / stride <= 65536, "bad explicit proc list")(((end - start) / stride <= 65536) ? 0 : __kmp_debug_assert
(("bad explicit proc list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2925))
;
2926
2927 // Add the mask for each OS proc # to the list.
2928 if (stride > 0) {
2929 do {
2930 ADD_MASK_OSID(start, osId2Mask, maxOsId);
2931 start += stride;
2932 } while (start <= end);
2933 } else {
2934 do {
2935 ADD_MASK_OSID(start, osId2Mask, maxOsId);
2936 start += stride;
2937 } while (start >= end);
2938 }
2939
2940 // Skip optional comma.
2941 SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; };
2942 if (*next == ',') {
2943 next++;
2944 }
2945 scan = next;
2946 }
2947
2948 *out_numMasks = nextNewMask;
2949 if (nextNewMask == 0) {
2950 *out_masks = NULL__null;
2951 KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks)__kmp_affinity_dispatch->deallocate_mask_array(newMasks);
2952 return;
2953 }
2954 KMP_CPU_ALLOC_ARRAY((*out_masks), nextNewMask)((*out_masks) = __kmp_affinity_dispatch->allocate_mask_array
(nextNewMask))
;
2955 for (i = 0; i < nextNewMask; i++) {
2956 kmp_affin_mask_t *src = KMP_CPU_INDEX(newMasks, i)__kmp_affinity_dispatch->index_mask_array(newMasks, i);
2957 kmp_affin_mask_t *dest = KMP_CPU_INDEX((*out_masks), i)__kmp_affinity_dispatch->index_mask_array((*out_masks), i);
2958 KMP_CPU_COPY(dest, src)(dest)->copy(src);
2959 }
2960 KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks)__kmp_affinity_dispatch->deallocate_mask_array(newMasks);
2961 KMP_CPU_FREE(sumMask)__kmp_affinity_dispatch->deallocate_mask(sumMask);
2962}
2963
2964#if OMP_40_ENABLED(50 >= 40)
2965
2966/*-----------------------------------------------------------------------------
2967Re-parse the OMP_PLACES proc id list, forming the newMasks for the different
2968places. Again, Here is the grammar:
2969
2970place_list := place
2971place_list := place , place_list
2972place := num
2973place := place : num
2974place := place : num : signed
2975place := { subplacelist }
2976place := ! place // (lowest priority)
2977subplace_list := subplace
2978subplace_list := subplace , subplace_list
2979subplace := num
2980subplace := num : num
2981subplace := num : num : signed
2982signed := num
2983signed := + signed
2984signed := - signed
2985-----------------------------------------------------------------------------*/
2986
2987static void __kmp_process_subplace_list(const char **scan,
2988 kmp_affin_mask_t *osId2Mask,
2989 int maxOsId, kmp_affin_mask_t *tempMask,
2990 int *setSize) {
2991 const char *next;
2992
2993 for (;;) {
2994 int start, count, stride, i;
2995
2996 // Read in the starting proc id
2997 SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; };
2998 KMP_ASSERT2((**scan >= '0') && (**scan <= '9'), "bad explicit places list")(((**scan >= '0') && (**scan <= '9')) ? 0 : __kmp_debug_assert
(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 2998))
;
2999 next = *scan;
3000 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
3001 start = __kmp_str_to_int(*scan, *next);
3002 KMP_ASSERT(start >= 0)((start >= 0) ? 0 : __kmp_debug_assert("start >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3002))
;
3003 *scan = next;
3004
3005 // valid follow sets are ',' ':' and '}'
3006 SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; };
3007 if (**scan == '}' || **scan == ',') {
3008 if ((start > maxOsId) ||
3009 (!KMP_CPU_ISSET(start, KMP_CPU_INDEX(osId2Mask, start))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, start
))->is_set(start)
)) {
3010 if (__kmp_affinity_verbose ||
3011 (__kmp_affinity_warnings &&
3012 (__kmp_affinity_type != affinity_none))) {
3013 KMP_WARNING(AffIgnoreInvalidProcID, start)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID
, start), __kmp_msg_null)
;
3014 }
3015 } else {
3016 KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, start))(tempMask)->bitwise_or(__kmp_affinity_dispatch->index_mask_array
(osId2Mask, start))
;
3017 (*setSize)++;
3018 }
3019 if (**scan == '}') {
3020 break;
3021 }
3022 (*scan)++; // skip ','
3023 continue;
3024 }
3025 KMP_ASSERT2(**scan == ':', "bad explicit places list")((**scan == ':') ? 0 : __kmp_debug_assert(("bad explicit places list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3025))
;
3026 (*scan)++; // skip ':'
3027
3028 // Read count parameter
3029 SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; };
3030 KMP_ASSERT2((**scan >= '0') && (**scan <= '9'), "bad explicit places list")(((**scan >= '0') && (**scan <= '9')) ? 0 : __kmp_debug_assert
(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3030))
;
3031 next = *scan;
3032 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
3033 count = __kmp_str_to_int(*scan, *next);
3034 KMP_ASSERT(count >= 0)((count >= 0) ? 0 : __kmp_debug_assert("count >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3034))
;
3035 *scan = next;
3036
3037 // valid follow sets are ',' ':' and '}'
3038 SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; };
3039 if (**scan == '}' || **scan == ',') {
3040 for (i = 0; i < count; i++) {
3041 if ((start > maxOsId) ||
3042 (!KMP_CPU_ISSET(start, KMP_CPU_INDEX(osId2Mask, start))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, start
))->is_set(start)
)) {
3043 if (__kmp_affinity_verbose ||
3044 (__kmp_affinity_warnings &&
3045 (__kmp_affinity_type != affinity_none))) {
3046 KMP_WARNING(AffIgnoreInvalidProcID, start)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID
, start), __kmp_msg_null)
;
3047 }
3048 break; // don't proliferate warnings for large count
3049 } else {
3050 KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, start))(tempMask)->bitwise_or(__kmp_affinity_dispatch->index_mask_array
(osId2Mask, start))
;
3051 start++;
3052 (*setSize)++;
3053 }
3054 }
3055 if (**scan == '}') {
3056 break;
3057 }
3058 (*scan)++; // skip ','
3059 continue;
3060 }
3061 KMP_ASSERT2(**scan == ':', "bad explicit places list")((**scan == ':') ? 0 : __kmp_debug_assert(("bad explicit places list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3061))
;
3062 (*scan)++; // skip ':'
3063
3064 // Read stride parameter
3065 int sign = +1;
3066 for (;;) {
3067 SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; };
3068 if (**scan == '+') {
3069 (*scan)++; // skip '+'
3070 continue;
3071 }
3072 if (**scan == '-') {
3073 sign *= -1;
3074 (*scan)++; // skip '-'
3075 continue;
3076 }
3077 break;
3078 }
3079 SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; };
3080 KMP_ASSERT2((**scan >= '0') && (**scan <= '9'), "bad explicit places list")(((**scan >= '0') && (**scan <= '9')) ? 0 : __kmp_debug_assert
(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3080))
;
3081 next = *scan;
3082 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
3083 stride = __kmp_str_to_int(*scan, *next);
3084 KMP_ASSERT(stride >= 0)((stride >= 0) ? 0 : __kmp_debug_assert("stride >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3084))
;
3085 *scan = next;
3086 stride *= sign;
3087
3088 // valid follow sets are ',' and '}'
3089 SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; };
3090 if (**scan == '}' || **scan == ',') {
3091 for (i = 0; i < count; i++) {
3092 if ((start > maxOsId) ||
3093 (!KMP_CPU_ISSET(start, KMP_CPU_INDEX(osId2Mask, start))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, start
))->is_set(start)
)) {
3094 if (__kmp_affinity_verbose ||
3095 (__kmp_affinity_warnings &&
3096 (__kmp_affinity_type != affinity_none))) {
3097 KMP_WARNING(AffIgnoreInvalidProcID, start)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID
, start), __kmp_msg_null)
;
3098 }
3099 break; // don't proliferate warnings for large count
3100 } else {
3101 KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, start))(tempMask)->bitwise_or(__kmp_affinity_dispatch->index_mask_array
(osId2Mask, start))
;
3102 start += stride;
3103 (*setSize)++;
3104 }
3105 }
3106 if (**scan == '}') {
3107 break;
3108 }
3109 (*scan)++; // skip ','
3110 continue;
3111 }
3112
3113 KMP_ASSERT2(0, "bad explicit places list")((0) ? 0 : __kmp_debug_assert(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3113))
;
3114 }
3115}
3116
3117static void __kmp_process_place(const char **scan, kmp_affin_mask_t *osId2Mask,
3118 int maxOsId, kmp_affin_mask_t *tempMask,
3119 int *setSize) {
3120 const char *next;
3121
3122 // valid follow sets are '{' '!' and num
3123 SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; };
3124 if (**scan == '{') {
3125 (*scan)++; // skip '{'
3126 __kmp_process_subplace_list(scan, osId2Mask, maxOsId, tempMask, setSize);
3127 KMP_ASSERT2(**scan == '}', "bad explicit places list")((**scan == '}') ? 0 : __kmp_debug_assert(("bad explicit places list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3127))
;
3128 (*scan)++; // skip '}'
3129 } else if (**scan == '!') {
3130 (*scan)++; // skip '!'
3131 __kmp_process_place(scan, osId2Mask, maxOsId, tempMask, setSize);
3132 KMP_CPU_COMPLEMENT(maxOsId, tempMask)(tempMask)->bitwise_not();
3133 } else if ((**scan >= '0') && (**scan <= '9')) {
3134 next = *scan;
3135 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
3136 int num = __kmp_str_to_int(*scan, *next);
3137 KMP_ASSERT(num >= 0)((num >= 0) ? 0 : __kmp_debug_assert("num >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3137))
;
3138 if ((num > maxOsId) ||
3139 (!KMP_CPU_ISSET(num, KMP_CPU_INDEX(osId2Mask, num))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, num)
)->is_set(num)
)) {
3140 if (__kmp_affinity_verbose ||
3141 (__kmp_affinity_warnings && (__kmp_affinity_type != affinity_none))) {
3142 KMP_WARNING(AffIgnoreInvalidProcID, num)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID
, num), __kmp_msg_null)
;
3143 }
3144 } else {
3145 KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, num))(tempMask)->bitwise_or(__kmp_affinity_dispatch->index_mask_array
(osId2Mask, num))
;
3146 (*setSize)++;
3147 }
3148 *scan = next; // skip num
3149 } else {
3150 KMP_ASSERT2(0, "bad explicit places list")((0) ? 0 : __kmp_debug_assert(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3150))
;
3151 }
3152}
3153
3154// static void
3155void __kmp_affinity_process_placelist(kmp_affin_mask_t **out_masks,
3156 unsigned int *out_numMasks,
3157 const char *placelist,
3158 kmp_affin_mask_t *osId2Mask,
3159 int maxOsId) {
3160 int i, j, count, stride, sign;
3161 const char *scan = placelist;
3162 const char *next = placelist;
3163
3164 numNewMasks = 2;
3165 KMP_CPU_INTERNAL_ALLOC_ARRAY(newMasks, numNewMasks)(newMasks = __kmp_affinity_dispatch->allocate_mask_array(numNewMasks
))
;
3166 nextNewMask = 0;
3167
3168 // tempMask is modified based on the previous or initial
3169 // place to form the current place
3170 // previousMask contains the previous place
3171 kmp_affin_mask_t *tempMask;
3172 kmp_affin_mask_t *previousMask;
3173 KMP_CPU_ALLOC(tempMask)(tempMask = __kmp_affinity_dispatch->allocate_mask());
3174 KMP_CPU_ZERO(tempMask)(tempMask)->zero();
3175 KMP_CPU_ALLOC(previousMask)(previousMask = __kmp_affinity_dispatch->allocate_mask());
3176 KMP_CPU_ZERO(previousMask)(previousMask)->zero();
3177 int setSize = 0;
3178
3179 for (;;) {
3180 __kmp_process_place(&scan, osId2Mask, maxOsId, tempMask, &setSize);
3181
3182 // valid follow sets are ',' ':' and EOL
3183 SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; };
3184 if (*scan == '\0' || *scan == ',') {
3185 if (setSize > 0) {
3186 ADD_MASK(tempMask);
3187 }
3188 KMP_CPU_ZERO(tempMask)(tempMask)->zero();
3189 setSize = 0;
3190 if (*scan == '\0') {
3191 break;
3192 }
3193 scan++; // skip ','
3194 continue;
3195 }
3196
3197 KMP_ASSERT2(*scan == ':', "bad explicit places list")((*scan == ':') ? 0 : __kmp_debug_assert(("bad explicit places list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3197))
;
3198 scan++; // skip ':'
3199
3200 // Read count parameter
3201 SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; };
3202 KMP_ASSERT2((*scan >= '0') && (*scan <= '9'), "bad explicit places list")(((*scan >= '0') && (*scan <= '9')) ? 0 : __kmp_debug_assert
(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3202))
;
3203 next = scan;
3204 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
3205 count = __kmp_str_to_int(scan, *next);
3206 KMP_ASSERT(count >= 0)((count >= 0) ? 0 : __kmp_debug_assert("count >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3206))
;
3207 scan = next;
3208
3209 // valid follow sets are ',' ':' and EOL
3210 SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; };
3211 if (*scan == '\0' || *scan == ',') {
3212 stride = +1;
3213 } else {
3214 KMP_ASSERT2(*scan == ':', "bad explicit places list")((*scan == ':') ? 0 : __kmp_debug_assert(("bad explicit places list"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3214))
;
3215 scan++; // skip ':'
3216
3217 // Read stride parameter
3218 sign = +1;
3219 for (;;) {
3220 SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; };
3221 if (*scan == '+') {
3222 scan++; // skip '+'
3223 continue;
3224 }
3225 if (*scan == '-') {
3226 sign *= -1;
3227 scan++; // skip '-'
3228 continue;
3229 }
3230 break;
3231 }
3232 SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; };
3233 KMP_ASSERT2((*scan >= '0') && (*scan <= '9'), "bad explicit places list")(((*scan >= '0') && (*scan <= '9')) ? 0 : __kmp_debug_assert
(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3233))
;
3234 next = scan;
3235 SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next
)++; }
;
3236 stride = __kmp_str_to_int(scan, *next);
3237 KMP_DEBUG_ASSERT(stride >= 0)((stride >= 0) ? 0 : __kmp_debug_assert("stride >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3237))
;
3238 scan = next;
3239 stride *= sign;
3240 }
3241
3242 // Add places determined by initial_place : count : stride
3243 for (i = 0; i < count; i++) {
3244 if (setSize == 0) {
3245 break;
3246 }
3247 // Add the current place, then build the next place (tempMask) from that
3248 KMP_CPU_COPY(previousMask, tempMask)(previousMask)->copy(tempMask);
3249 ADD_MASK(previousMask);
3250 KMP_CPU_ZERO(tempMask)(tempMask)->zero();
3251 setSize = 0;
3252 KMP_CPU_SET_ITERATE(j, previousMask)for (j = (previousMask)->begin(); j != (previousMask)->
end(); j = (previousMask)->next(j))
{
3253 if (!KMP_CPU_ISSET(j, previousMask)(previousMask)->is_set(j)) {
3254 continue;
3255 }
3256 if ((j + stride > maxOsId) || (j + stride < 0) ||
3257 (!KMP_CPU_ISSET(j, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(j)) ||
3258 (!KMP_CPU_ISSET(j + stride,(__kmp_affinity_dispatch->index_mask_array(osId2Mask, j + stride
))->is_set(j + stride)
3259 KMP_CPU_INDEX(osId2Mask, j + stride))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, j + stride
))->is_set(j + stride)
)) {
3260 if ((__kmp_affinity_verbose ||
3261 (__kmp_affinity_warnings &&
3262 (__kmp_affinity_type != affinity_none))) &&
3263 i < count - 1) {
3264 KMP_WARNING(AffIgnoreInvalidProcID, j + stride)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID
, j + stride), __kmp_msg_null)
;
3265 }
3266 continue;
3267 }
3268 KMP_CPU_SET(j + stride, tempMask)(tempMask)->set(j + stride);
3269 setSize++;
3270 }
3271 }
3272 KMP_CPU_ZERO(tempMask)(tempMask)->zero();
3273 setSize = 0;
3274
3275 // valid follow sets are ',' and EOL
3276 SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; };
3277 if (*scan == '\0') {
3278 break;
3279 }
3280 if (*scan == ',') {
3281 scan++; // skip ','
3282 continue;
3283 }
3284
3285 KMP_ASSERT2(0, "bad explicit places list")((0) ? 0 : __kmp_debug_assert(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3285))
;
3286 }
3287
3288 *out_numMasks = nextNewMask;
3289 if (nextNewMask == 0) {
3290 *out_masks = NULL__null;
3291 KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks)__kmp_affinity_dispatch->deallocate_mask_array(newMasks);
3292 return;
3293 }
3294 KMP_CPU_ALLOC_ARRAY((*out_masks), nextNewMask)((*out_masks) = __kmp_affinity_dispatch->allocate_mask_array
(nextNewMask))
;
3295 KMP_CPU_FREE(tempMask)__kmp_affinity_dispatch->deallocate_mask(tempMask);
3296 KMP_CPU_FREE(previousMask)__kmp_affinity_dispatch->deallocate_mask(previousMask);
3297 for (i = 0; i < nextNewMask; i++) {
3298 kmp_affin_mask_t *src = KMP_CPU_INDEX(newMasks, i)__kmp_affinity_dispatch->index_mask_array(newMasks, i);
3299 kmp_affin_mask_t *dest = KMP_CPU_INDEX((*out_masks), i)__kmp_affinity_dispatch->index_mask_array((*out_masks), i);
3300 KMP_CPU_COPY(dest, src)(dest)->copy(src);
3301 }
3302 KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks)__kmp_affinity_dispatch->deallocate_mask_array(newMasks);
3303}
3304
3305#endif /* OMP_40_ENABLED */
3306
3307#undef ADD_MASK
3308#undef ADD_MASK_OSID
3309
3310#if KMP_USE_HWLOC0
3311static int __kmp_hwloc_skip_PUs_obj(hwloc_topology_t t, hwloc_obj_t o) {
3312 // skip PUs descendants of the object o
3313 int skipped = 0;
3314 hwloc_obj_t hT = NULL__null;
3315 int N = __kmp_hwloc_count_children_by_type(t, o, HWLOC_OBJ_PU, &hT);
3316 for (int i = 0; i < N; ++i) {
3317 KMP_DEBUG_ASSERT(hT)((hT) ? 0 : __kmp_debug_assert("hT", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3317))
;
3318 unsigned idx = hT->os_index;
3319 if (KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) {
3320 KMP_CPU_CLR(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(idx);
3321 KC_TRACE(200, ("KMP_HW_SUBSET: skipped proc %d\n", idx))if (kmp_c_debug >= 200) { __kmp_debug_printf ("KMP_HW_SUBSET: skipped proc %d\n"
, idx); }
;
3322 ++skipped;
3323 }
3324 hT = hwloc_get_next_obj_by_type(t, HWLOC_OBJ_PU, hT);
3325 }
3326 return skipped; // count number of skipped units
3327}
3328
3329static int __kmp_hwloc_obj_has_PUs(hwloc_topology_t t, hwloc_obj_t o) {
3330 // check if obj has PUs present in fullMask
3331 hwloc_obj_t hT = NULL__null;
3332 int N = __kmp_hwloc_count_children_by_type(t, o, HWLOC_OBJ_PU, &hT);
3333 for (int i = 0; i < N; ++i) {
3334 KMP_DEBUG_ASSERT(hT)((hT) ? 0 : __kmp_debug_assert("hT", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3334))
;
3335 unsigned idx = hT->os_index;
3336 if (KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx))
3337 return 1; // found PU
3338 hT = hwloc_get_next_obj_by_type(t, HWLOC_OBJ_PU, hT);
3339 }
3340 return 0; // no PUs found
3341}
3342#endif // KMP_USE_HWLOC
3343
3344static void __kmp_apply_thread_places(AddrUnsPair **pAddr, int depth) {
3345 AddrUnsPair *newAddr;
3346 if (__kmp_hws_requested == 0)
3347 goto _exit; // no topology limiting actions requested, exit
3348#if KMP_USE_HWLOC0
3349 if (__kmp_affinity_dispatch->get_api_type() == KMPAffinity::HWLOC) {
3350 // Number of subobjects calculated dynamically, this works fine for
3351 // any non-uniform topology.
3352 // L2 cache objects are determined by depth, other objects - by type.
3353 hwloc_topology_t tp = __kmp_hwloc_topology;
3354 int nS = 0, nN = 0, nL = 0, nC = 0,
3355 nT = 0; // logical index including skipped
3356 int nCr = 0, nTr = 0; // number of requested units
3357 int nPkg = 0, nCo = 0, n_new = 0, n_old = 0, nCpP = 0, nTpC = 0; // counters
3358 hwloc_obj_t hT, hC, hL, hN, hS; // hwloc objects (pointers to)
3359 int L2depth, idx;
3360
3361 // check support of extensions ----------------------------------
3362 int numa_support = 0, tile_support = 0;
3363 if (__kmp_pu_os_idx)
3364 hT = hwloc_get_pu_obj_by_os_index(tp,
3365 __kmp_pu_os_idx[__kmp_avail_proc - 1]);
3366 else
3367 hT = hwloc_get_obj_by_type(tp, HWLOC_OBJ_PU, __kmp_avail_proc - 1);
3368 if (hT == NULL__null) { // something's gone wrong
3369 KMP_WARNING(AffHWSubsetUnsupported)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetUnsupported
), __kmp_msg_null)
;
3370 goto _exit;
3371 }
3372 // check NUMA node
3373 hN = hwloc_get_ancestor_obj_by_type(tp, HWLOC_OBJ_NUMANODE, hT);
3374 hS = hwloc_get_ancestor_obj_by_type(tp, HWLOC_OBJ_PACKAGE, hT);
3375 if (hN != NULL__null && hN->depth > hS->depth) {
3376 numa_support = 1; // 1 in case socket includes node(s)
3377 } else if (__kmp_hws_node.num > 0) {
3378 // don't support sockets inside NUMA node (no such HW found for testing)
3379 KMP_WARNING(AffHWSubsetUnsupported)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetUnsupported
), __kmp_msg_null)
;
3380 goto _exit;
3381 }
3382 // check L2 cahce, get object by depth because of multiple caches
3383 L2depth = hwloc_get_cache_type_depth(tp, 2, HWLOC_OBJ_CACHE_UNIFIED);
3384 hL = hwloc_get_ancestor_obj_by_depth(tp, L2depth, hT);
3385 if (hL != NULL__null &&
3386 __kmp_hwloc_count_children_by_type(tp, hL, HWLOC_OBJ_CORE, &hC) > 1) {
3387 tile_support = 1; // no sense to count L2 if it includes single core
3388 } else if (__kmp_hws_tile.num > 0) {
3389 if (__kmp_hws_core.num == 0) {
3390 __kmp_hws_core = __kmp_hws_tile; // replace L2 with core
3391 __kmp_hws_tile.num = 0;
3392 } else {
3393 // L2 and core are both requested, but represent same object
3394 KMP_WARNING(AffHWSubsetInvalid)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetInvalid
), __kmp_msg_null)
;
3395 goto _exit;
3396 }
3397 }
3398 // end of check of extensions -----------------------------------
3399
3400 // fill in unset items, validate settings -----------------------
3401 if (__kmp_hws_socket.num == 0)
3402 __kmp_hws_socket.num = nPackages; // use all available sockets
3403 if (__kmp_hws_socket.offset >= nPackages) {
3404 KMP_WARNING(AffHWSubsetManySockets)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManySockets
), __kmp_msg_null)
;
3405 goto _exit;
3406 }
3407 if (numa_support) {
3408 hN = NULL__null;
3409 int NN = __kmp_hwloc_count_children_by_type(tp, hS, HWLOC_OBJ_NUMANODE,
3410 &hN); // num nodes in socket
3411 if (__kmp_hws_node.num == 0)
3412 __kmp_hws_node.num = NN; // use all available nodes
3413 if (__kmp_hws_node.offset >= NN) {
3414 KMP_WARNING(AffHWSubsetManyNodes)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyNodes
), __kmp_msg_null)
;
3415 goto _exit;
3416 }
3417 if (tile_support) {
3418 // get num tiles in node
3419 int NL = __kmp_hwloc_count_children_by_depth(tp, hN, L2depth, &hL);
3420 if (__kmp_hws_tile.num == 0) {
3421 __kmp_hws_tile.num = NL + 1;
3422 } // use all available tiles, some node may have more tiles, thus +1
3423 if (__kmp_hws_tile.offset >= NL) {
3424 KMP_WARNING(AffHWSubsetManyTiles)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyTiles
), __kmp_msg_null)
;
3425 goto _exit;
3426 }
3427 int NC = __kmp_hwloc_count_children_by_type(tp, hL, HWLOC_OBJ_CORE,
3428 &hC); // num cores in tile
3429 if (__kmp_hws_core.num == 0)
3430 __kmp_hws_core.num = NC; // use all available cores
3431 if (__kmp_hws_core.offset >= NC) {
3432 KMP_WARNING(AffHWSubsetManyCores)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyCores
), __kmp_msg_null)
;
3433 goto _exit;
3434 }
3435 } else { // tile_support
3436 int NC = __kmp_hwloc_count_children_by_type(tp, hN, HWLOC_OBJ_CORE,
3437 &hC); // num cores in node
3438 if (__kmp_hws_core.num == 0)
3439 __kmp_hws_core.num = NC; // use all available cores
3440 if (__kmp_hws_core.offset >= NC) {
3441 KMP_WARNING(AffHWSubsetManyCores)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyCores
), __kmp_msg_null)
;
3442 goto _exit;
3443 }
3444 } // tile_support
3445 } else { // numa_support
3446 if (tile_support) {
3447 // get num tiles in socket
3448 int NL = __kmp_hwloc_count_children_by_depth(tp, hS, L2depth, &hL);
3449 if (__kmp_hws_tile.num == 0)
3450 __kmp_hws_tile.num = NL; // use all available tiles
3451 if (__kmp_hws_tile.offset >= NL) {
3452 KMP_WARNING(AffHWSubsetManyTiles)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyTiles
), __kmp_msg_null)
;
3453 goto _exit;
3454 }
3455 int NC = __kmp_hwloc_count_children_by_type(tp, hL, HWLOC_OBJ_CORE,
3456 &hC); // num cores in tile
3457 if (__kmp_hws_core.num == 0)
3458 __kmp_hws_core.num = NC; // use all available cores
3459 if (__kmp_hws_core.offset >= NC) {
3460 KMP_WARNING(AffHWSubsetManyCores)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyCores
), __kmp_msg_null)
;
3461 goto _exit;
3462 }
3463 } else { // tile_support
3464 int NC = __kmp_hwloc_count_children_by_type(tp, hS, HWLOC_OBJ_CORE,
3465 &hC); // num cores in socket
3466 if (__kmp_hws_core.num == 0)
3467 __kmp_hws_core.num = NC; // use all available cores
3468 if (__kmp_hws_core.offset >= NC) {
3469 KMP_WARNING(AffHWSubsetManyCores)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyCores
), __kmp_msg_null)
;
3470 goto _exit;
3471 }
3472 } // tile_support
3473 }
3474 if (__kmp_hws_proc.num == 0)
3475 __kmp_hws_proc.num = __kmp_nThreadsPerCore; // use all available procs
3476 if (__kmp_hws_proc.offset >= __kmp_nThreadsPerCore) {
3477 KMP_WARNING(AffHWSubsetManyProcs)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyProcs
), __kmp_msg_null)
;
3478 goto _exit;
3479 }
3480 // end of validation --------------------------------------------
3481
3482 if (pAddr) // pAddr is NULL in case of affinity_none
3483 newAddr = (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) *___kmp_allocate((sizeof(AddrUnsPair) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3484)
3484 __kmp_avail_proc)___kmp_allocate((sizeof(AddrUnsPair) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3484)
; // max size
3485 // main loop to form HW subset ----------------------------------
3486 hS = NULL__null;
3487 int NP = hwloc_get_nbobjs_by_type(tp, HWLOC_OBJ_PACKAGE);
3488 for (int s = 0; s < NP; ++s) {
3489 // Check Socket -----------------------------------------------
3490 hS = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PACKAGE, hS);
3491 if (!__kmp_hwloc_obj_has_PUs(tp, hS))
3492 continue; // skip socket if all PUs are out of fullMask
3493 ++nS; // only count objects those have PUs in affinity mask
3494 if (nS <= __kmp_hws_socket.offset ||
3495 nS > __kmp_hws_socket.num + __kmp_hws_socket.offset) {
3496 n_old += __kmp_hwloc_skip_PUs_obj(tp, hS); // skip socket
3497 continue; // move to next socket
3498 }
3499 nCr = 0; // count number of cores per socket
3500 // socket requested, go down the topology tree
3501 // check 4 cases: (+NUMA+Tile), (+NUMA-Tile), (-NUMA+Tile), (-NUMA-Tile)
3502 if (numa_support) {
3503 nN = 0;
3504 hN = NULL__null;
3505 // num nodes in current socket
3506 int NN =
3507 __kmp_hwloc_count_children_by_type(tp, hS, HWLOC_OBJ_NUMANODE, &hN);
3508 for (int n = 0; n < NN; ++n) {
3509 // Check NUMA Node ----------------------------------------
3510 if (!__kmp_hwloc_obj_has_PUs(tp, hN)) {
3511 hN = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_NUMANODE, hN);
3512 continue; // skip node if all PUs are out of fullMask
3513 }
3514 ++nN;
3515 if (nN <= __kmp_hws_node.offset ||
3516 nN > __kmp_hws_node.num + __kmp_hws_node.offset) {
3517 // skip node as not requested
3518 n_old += __kmp_hwloc_skip_PUs_obj(tp, hN); // skip node
3519 hN = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_NUMANODE, hN);
3520 continue; // move to next node
3521 }
3522 // node requested, go down the topology tree
3523 if (tile_support) {
3524 nL = 0;
3525 hL = NULL__null;
3526 int NL = __kmp_hwloc_count_children_by_depth(tp, hN, L2depth, &hL);
3527 for (int l = 0; l < NL; ++l) {
3528 // Check L2 (tile) ------------------------------------
3529 if (!__kmp_hwloc_obj_has_PUs(tp, hL)) {
3530 hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL);
3531 continue; // skip tile if all PUs are out of fullMask
3532 }
3533 ++nL;
3534 if (nL <= __kmp_hws_tile.offset ||
3535 nL > __kmp_hws_tile.num + __kmp_hws_tile.offset) {
3536 // skip tile as not requested
3537 n_old += __kmp_hwloc_skip_PUs_obj(tp, hL); // skip tile
3538 hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL);
3539 continue; // move to next tile
3540 }
3541 // tile requested, go down the topology tree
3542 nC = 0;
3543 hC = NULL__null;
3544 // num cores in current tile
3545 int NC = __kmp_hwloc_count_children_by_type(tp, hL,
3546 HWLOC_OBJ_CORE, &hC);
3547 for (int c = 0; c < NC; ++c) {
3548 // Check Core ---------------------------------------
3549 if (!__kmp_hwloc_obj_has_PUs(tp, hC)) {
3550 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3551 continue; // skip core if all PUs are out of fullMask
3552 }
3553 ++nC;
3554 if (nC <= __kmp_hws_core.offset ||
3555 nC > __kmp_hws_core.num + __kmp_hws_core.offset) {
3556 // skip node as not requested
3557 n_old += __kmp_hwloc_skip_PUs_obj(tp, hC); // skip core
3558 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3559 continue; // move to next node
3560 }
3561 // core requested, go down to PUs
3562 nT = 0;
3563 nTr = 0;
3564 hT = NULL__null;
3565 // num procs in current core
3566 int NT = __kmp_hwloc_count_children_by_type(tp, hC,
3567 HWLOC_OBJ_PU, &hT);
3568 for (int t = 0; t < NT; ++t) {
3569 // Check PU ---------------------------------------
3570 idx = hT->os_index;
3571 if (!KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) {
3572 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3573 continue; // skip PU if not in fullMask
3574 }
3575 ++nT;
3576 if (nT <= __kmp_hws_proc.offset ||
3577 nT > __kmp_hws_proc.num + __kmp_hws_proc.offset) {
3578 // skip PU
3579 KMP_CPU_CLR(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(idx);
3580 ++n_old;
3581 KC_TRACE(200, ("KMP_HW_SUBSET: skipped proc %d\n", idx))if (kmp_c_debug >= 200) { __kmp_debug_printf ("KMP_HW_SUBSET: skipped proc %d\n"
, idx); }
;
3582 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3583 continue; // move to next node
3584 }
3585 ++nTr;
3586 if (pAddr) // collect requested thread's data
3587 newAddr[n_new] = (*pAddr)[n_old];
3588 ++n_new;
3589 ++n_old;
3590 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3591 } // threads loop
3592 if (nTr > 0) {
3593 ++nCr; // num cores per socket
3594 ++nCo; // total num cores
3595 if (nTr > nTpC)
3596 nTpC = nTr; // calc max threads per core
3597 }
3598 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3599 } // cores loop
3600 hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL);
3601 } // tiles loop
3602 } else { // tile_support
3603 // no tiles, check cores
3604 nC = 0;
3605 hC = NULL__null;
3606 // num cores in current node
3607 int NC =
3608 __kmp_hwloc_count_children_by_type(tp, hN, HWLOC_OBJ_CORE, &hC);
3609 for (int c = 0; c < NC; ++c) {
3610 // Check Core ---------------------------------------
3611 if (!__kmp_hwloc_obj_has_PUs(tp, hC)) {
3612 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3613 continue; // skip core if all PUs are out of fullMask
3614 }
3615 ++nC;
3616 if (nC <= __kmp_hws_core.offset ||
3617 nC > __kmp_hws_core.num + __kmp_hws_core.offset) {
3618 // skip node as not requested
3619 n_old += __kmp_hwloc_skip_PUs_obj(tp, hC); // skip core
3620 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3621 continue; // move to next node
3622 }
3623 // core requested, go down to PUs
3624 nT = 0;
3625 nTr = 0;
3626 hT = NULL__null;
3627 int NT =
3628 __kmp_hwloc_count_children_by_type(tp, hC, HWLOC_OBJ_PU, &hT);
3629 for (int t = 0; t < NT; ++t) {
3630 // Check PU ---------------------------------------
3631 idx = hT->os_index;
3632 if (!KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) {
3633 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3634 continue; // skip PU if not in fullMask
3635 }
3636 ++nT;
3637 if (nT <= __kmp_hws_proc.offset ||
3638 nT > __kmp_hws_proc.num + __kmp_hws_proc.offset) {
3639 // skip PU
3640 KMP_CPU_CLR(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(idx);
3641 ++n_old;
3642 KC_TRACE(200, ("KMP_HW_SUBSET: skipped proc %d\n", idx))if (kmp_c_debug >= 200) { __kmp_debug_printf ("KMP_HW_SUBSET: skipped proc %d\n"
, idx); }
;
3643 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3644 continue; // move to next node
3645 }
3646 ++nTr;
3647 if (pAddr) // collect requested thread's data
3648 newAddr[n_new] = (*pAddr)[n_old];
3649 ++n_new;
3650 ++n_old;
3651 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3652 } // threads loop
3653 if (nTr > 0) {
3654 ++nCr; // num cores per socket
3655 ++nCo; // total num cores
3656 if (nTr > nTpC)
3657 nTpC = nTr; // calc max threads per core
3658 }
3659 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3660 } // cores loop
3661 } // tiles support
3662 hN = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_NUMANODE, hN);
3663 } // nodes loop
3664 } else { // numa_support
3665 // no NUMA support
3666 if (tile_support) {
3667 nL = 0;
3668 hL = NULL__null;
3669 // num tiles in current socket
3670 int NL = __kmp_hwloc_count_children_by_depth(tp, hS, L2depth, &hL);
3671 for (int l = 0; l < NL; ++l) {
3672 // Check L2 (tile) ------------------------------------
3673 if (!__kmp_hwloc_obj_has_PUs(tp, hL)) {
3674 hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL);
3675 continue; // skip tile if all PUs are out of fullMask
3676 }
3677 ++nL;
3678 if (nL <= __kmp_hws_tile.offset ||
3679 nL > __kmp_hws_tile.num + __kmp_hws_tile.offset) {
3680 // skip tile as not requested
3681 n_old += __kmp_hwloc_skip_PUs_obj(tp, hL); // skip tile
3682 hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL);
3683 continue; // move to next tile
3684 }
3685 // tile requested, go down the topology tree
3686 nC = 0;
3687 hC = NULL__null;
3688 // num cores per tile
3689 int NC =
3690 __kmp_hwloc_count_children_by_type(tp, hL, HWLOC_OBJ_CORE, &hC);
3691 for (int c = 0; c < NC; ++c) {
3692 // Check Core ---------------------------------------
3693 if (!__kmp_hwloc_obj_has_PUs(tp, hC)) {
3694 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3695 continue; // skip core if all PUs are out of fullMask
3696 }
3697 ++nC;
3698 if (nC <= __kmp_hws_core.offset ||
3699 nC > __kmp_hws_core.num + __kmp_hws_core.offset) {
3700 // skip node as not requested
3701 n_old += __kmp_hwloc_skip_PUs_obj(tp, hC); // skip core
3702 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3703 continue; // move to next node
3704 }
3705 // core requested, go down to PUs
3706 nT = 0;
3707 nTr = 0;
3708 hT = NULL__null;
3709 // num procs per core
3710 int NT =
3711 __kmp_hwloc_count_children_by_type(tp, hC, HWLOC_OBJ_PU, &hT);
3712 for (int t = 0; t < NT; ++t) {
3713 // Check PU ---------------------------------------
3714 idx = hT->os_index;
3715 if (!KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) {
3716 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3717 continue; // skip PU if not in fullMask
3718 }
3719 ++nT;
3720 if (nT <= __kmp_hws_proc.offset ||
3721 nT > __kmp_hws_proc.num + __kmp_hws_proc.offset) {
3722 // skip PU
3723 KMP_CPU_CLR(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(idx);
3724 ++n_old;
3725 KC_TRACE(200, ("KMP_HW_SUBSET: skipped proc %d\n", idx))if (kmp_c_debug >= 200) { __kmp_debug_printf ("KMP_HW_SUBSET: skipped proc %d\n"
, idx); }
;
3726 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3727 continue; // move to next node
3728 }
3729 ++nTr;
3730 if (pAddr) // collect requested thread's data
3731 newAddr[n_new] = (*pAddr)[n_old];
3732 ++n_new;
3733 ++n_old;
3734 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3735 } // threads loop
3736 if (nTr > 0) {
3737 ++nCr; // num cores per socket
3738 ++nCo; // total num cores
3739 if (nTr > nTpC)
3740 nTpC = nTr; // calc max threads per core
3741 }
3742 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3743 } // cores loop
3744 hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL);
3745 } // tiles loop
3746 } else { // tile_support
3747 // no tiles, check cores
3748 nC = 0;
3749 hC = NULL__null;
3750 // num cores in socket
3751 int NC =
3752 __kmp_hwloc_count_children_by_type(tp, hS, HWLOC_OBJ_CORE, &hC);
3753 for (int c = 0; c < NC; ++c) {
3754 // Check Core -------------------------------------------
3755 if (!__kmp_hwloc_obj_has_PUs(tp, hC)) {
3756 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3757 continue; // skip core if all PUs are out of fullMask
3758 }
3759 ++nC;
3760 if (nC <= __kmp_hws_core.offset ||
3761 nC > __kmp_hws_core.num + __kmp_hws_core.offset) {
3762 // skip node as not requested
3763 n_old += __kmp_hwloc_skip_PUs_obj(tp, hC); // skip core
3764 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3765 continue; // move to next node
3766 }
3767 // core requested, go down to PUs
3768 nT = 0;
3769 nTr = 0;
3770 hT = NULL__null;
3771 // num procs per core
3772 int NT =
3773 __kmp_hwloc_count_children_by_type(tp, hC, HWLOC_OBJ_PU, &hT);
3774 for (int t = 0; t < NT; ++t) {
3775 // Check PU ---------------------------------------
3776 idx = hT->os_index;
3777 if (!KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) {
3778 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3779 continue; // skip PU if not in fullMask
3780 }
3781 ++nT;
3782 if (nT <= __kmp_hws_proc.offset ||
3783 nT > __kmp_hws_proc.num + __kmp_hws_proc.offset) {
3784 // skip PU
3785 KMP_CPU_CLR(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(idx);
3786 ++n_old;
3787 KC_TRACE(200, ("KMP_HW_SUBSET: skipped proc %d\n", idx))if (kmp_c_debug >= 200) { __kmp_debug_printf ("KMP_HW_SUBSET: skipped proc %d\n"
, idx); }
;
3788 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3789 continue; // move to next node
3790 }
3791 ++nTr;
3792 if (pAddr) // collect requested thread's data
3793 newAddr[n_new] = (*pAddr)[n_old];
3794 ++n_new;
3795 ++n_old;
3796 hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT);
3797 } // threads loop
3798 if (nTr > 0) {
3799 ++nCr; // num cores per socket
3800 ++nCo; // total num cores
3801 if (nTr > nTpC)
3802 nTpC = nTr; // calc max threads per core
3803 }
3804 hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC);
3805 } // cores loop
3806 } // tiles support
3807 } // numa_support
3808 if (nCr > 0) { // found cores?
3809 ++nPkg; // num sockets
3810 if (nCr > nCpP)
3811 nCpP = nCr; // calc max cores per socket
3812 }
3813 } // sockets loop
3814
3815 // check the subset is valid
3816 KMP_DEBUG_ASSERT(n_old == __kmp_avail_proc)((n_old == __kmp_avail_proc) ? 0 : __kmp_debug_assert("n_old == __kmp_avail_proc"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3816))
;
3817 KMP_DEBUG_ASSERT(nPkg > 0)((nPkg > 0) ? 0 : __kmp_debug_assert("nPkg > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3817))
;
3818 KMP_DEBUG_ASSERT(nCpP > 0)((nCpP > 0) ? 0 : __kmp_debug_assert("nCpP > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3818))
;
3819 KMP_DEBUG_ASSERT(nTpC > 0)((nTpC > 0) ? 0 : __kmp_debug_assert("nTpC > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3819))
;
3820 KMP_DEBUG_ASSERT(nCo > 0)((nCo > 0) ? 0 : __kmp_debug_assert("nCo > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3820))
;
3821 KMP_DEBUG_ASSERT(nPkg <= nPackages)((nPkg <= nPackages) ? 0 : __kmp_debug_assert("nPkg <= nPackages"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3821))
;
3822 KMP_DEBUG_ASSERT(nCpP <= nCoresPerPkg)((nCpP <= nCoresPerPkg) ? 0 : __kmp_debug_assert("nCpP <= nCoresPerPkg"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3822))
;
3823 KMP_DEBUG_ASSERT(nTpC <= __kmp_nThreadsPerCore)((nTpC <= __kmp_nThreadsPerCore) ? 0 : __kmp_debug_assert(
"nTpC <= __kmp_nThreadsPerCore", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3823))
;
3824 KMP_DEBUG_ASSERT(nCo <= __kmp_ncores)((nCo <= __kmp_ncores) ? 0 : __kmp_debug_assert("nCo <= __kmp_ncores"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3824))
;
3825
3826 nPackages = nPkg; // correct num sockets
3827 nCoresPerPkg = nCpP; // correct num cores per socket
3828 __kmp_nThreadsPerCore = nTpC; // correct num threads per core
3829 __kmp_avail_proc = n_new; // correct num procs
3830 __kmp_ncores = nCo; // correct num cores
3831 // hwloc topology method end
3832 } else
3833#endif // KMP_USE_HWLOC
3834 {
3835 int n_old = 0, n_new = 0, proc_num = 0;
3836 if (__kmp_hws_node.num > 0 || __kmp_hws_tile.num > 0) {
3837 KMP_WARNING(AffHWSubsetNoHWLOC)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetNoHWLOC
), __kmp_msg_null)
;
3838 goto _exit;
3839 }
3840 if (__kmp_hws_socket.num == 0)
3841 __kmp_hws_socket.num = nPackages; // use all available sockets
3842 if (__kmp_hws_core.num == 0)
3843 __kmp_hws_core.num = nCoresPerPkg; // use all available cores
3844 if (__kmp_hws_proc.num == 0 || __kmp_hws_proc.num > __kmp_nThreadsPerCore)
3845 __kmp_hws_proc.num = __kmp_nThreadsPerCore; // use all HW contexts
3846 if (!__kmp_affinity_uniform_topology()) {
3847 KMP_WARNING(AffHWSubsetNonUniform)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetNonUniform
), __kmp_msg_null)
;
3848 goto _exit; // don't support non-uniform topology
3849 }
3850 if (depth > 3) {
3851 KMP_WARNING(AffHWSubsetNonThreeLevel)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetNonThreeLevel
), __kmp_msg_null)
;
3852 goto _exit; // don't support not-3-level topology
3853 }
3854 if (__kmp_hws_socket.offset + __kmp_hws_socket.num > nPackages) {
3855 KMP_WARNING(AffHWSubsetManySockets)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManySockets
), __kmp_msg_null)
;
3856 goto _exit;
3857 }
3858 if (__kmp_hws_core.offset + __kmp_hws_core.num > nCoresPerPkg) {
3859 KMP_WARNING(AffHWSubsetManyCores)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyCores
), __kmp_msg_null)
;
3860 goto _exit;
3861 }
3862 // Form the requested subset
3863 if (pAddr) // pAddr is NULL in case of affinity_none
3864 newAddr = (AddrUnsPair *)__kmp_allocate(___kmp_allocate((sizeof(AddrUnsPair) * __kmp_hws_socket.num *
__kmp_hws_core.num * __kmp_hws_proc.num), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3866)
3865 sizeof(AddrUnsPair) * __kmp_hws_socket.num * __kmp_hws_core.num *___kmp_allocate((sizeof(AddrUnsPair) * __kmp_hws_socket.num *
__kmp_hws_core.num * __kmp_hws_proc.num), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3866)
3866 __kmp_hws_proc.num)___kmp_allocate((sizeof(AddrUnsPair) * __kmp_hws_socket.num *
__kmp_hws_core.num * __kmp_hws_proc.num), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3866)
;
3867 for (int i = 0; i < nPackages; ++i) {
3868 if (i < __kmp_hws_socket.offset ||
3869 i >= __kmp_hws_socket.offset + __kmp_hws_socket.num) {
3870 // skip not-requested socket
3871 n_old += nCoresPerPkg * __kmp_nThreadsPerCore;
3872 if (__kmp_pu_os_idx != NULL__null) {
3873 // walk through skipped socket
3874 for (int j = 0; j < nCoresPerPkg; ++j) {
3875 for (int k = 0; k < __kmp_nThreadsPerCore; ++k) {
3876 KMP_CPU_CLR(__kmp_pu_os_idx[proc_num], __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(__kmp_pu_os_idx[proc_num]);
3877 ++proc_num;
3878 }
3879 }
3880 }
3881 } else {
3882 // walk through requested socket
3883 for (int j = 0; j < nCoresPerPkg; ++j) {
3884 if (j < __kmp_hws_core.offset ||
3885 j >= __kmp_hws_core.offset +
3886 __kmp_hws_core.num) { // skip not-requested core
3887 n_old += __kmp_nThreadsPerCore;
3888 if (__kmp_pu_os_idx != NULL__null) {
3889 for (int k = 0; k < __kmp_nThreadsPerCore; ++k) {
3890 KMP_CPU_CLR(__kmp_pu_os_idx[proc_num], __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(__kmp_pu_os_idx[proc_num]);
3891 ++proc_num;
3892 }
3893 }
3894 } else {
3895 // walk through requested core
3896 for (int k = 0; k < __kmp_nThreadsPerCore; ++k) {
3897 if (k < __kmp_hws_proc.num) {
3898 if (pAddr) // collect requested thread's data
3899 newAddr[n_new] = (*pAddr)[n_old];
3900 n_new++;
3901 } else {
3902 if (__kmp_pu_os_idx != NULL__null)
3903 KMP_CPU_CLR(__kmp_pu_os_idx[proc_num], __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(__kmp_pu_os_idx[proc_num]);
3904 }
3905 n_old++;
3906 ++proc_num;
3907 }
3908 }
3909 }
3910 }
3911 }
3912 KMP_DEBUG_ASSERT(n_old == nPackages * nCoresPerPkg * __kmp_nThreadsPerCore)((n_old == nPackages * nCoresPerPkg * __kmp_nThreadsPerCore) ?
0 : __kmp_debug_assert("n_old == nPackages * nCoresPerPkg * __kmp_nThreadsPerCore"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3912))
;
3913 KMP_DEBUG_ASSERT(n_new ==((n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc
.num) ? 0 : __kmp_debug_assert("n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc.num"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3915))
3914 __kmp_hws_socket.num * __kmp_hws_core.num *((n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc
.num) ? 0 : __kmp_debug_assert("n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc.num"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3915))
3915 __kmp_hws_proc.num)((n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc
.num) ? 0 : __kmp_debug_assert("n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc.num"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3915))
;
3916 nPackages = __kmp_hws_socket.num; // correct nPackages
3917 nCoresPerPkg = __kmp_hws_core.num; // correct nCoresPerPkg
3918 __kmp_nThreadsPerCore = __kmp_hws_proc.num; // correct __kmp_nThreadsPerCore
3919 __kmp_avail_proc = n_new; // correct avail_proc
3920 __kmp_ncores = nPackages * __kmp_hws_core.num; // correct ncores
3921 } // non-hwloc topology method
3922 if (pAddr) {
3923 __kmp_free(*pAddr)___kmp_free((*pAddr), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3923)
;
3924 *pAddr = newAddr; // replace old topology with new one
3925 }
3926 if (__kmp_affinity_verbose) {
3927 char m[KMP_AFFIN_MASK_PRINT_LEN1024];
3928 __kmp_affinity_print_mask(m, KMP_AFFIN_MASK_PRINT_LEN1024,
3929 __kmp_affin_fullMask);
3930 if (__kmp_affinity_respect_mask) {
3931 KMP_INFORM(InitOSProcSetRespect, "KMP_HW_SUBSET", m)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect
, "KMP_HW_SUBSET", m), __kmp_msg_null)
;
3932 } else {
3933 KMP_INFORM(InitOSProcSetNotRespect, "KMP_HW_SUBSET", m)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect
, "KMP_HW_SUBSET", m), __kmp_msg_null)
;
3934 }
3935 KMP_INFORM(AvailableOSProc, "KMP_HW_SUBSET", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc
, "KMP_HW_SUBSET", __kmp_avail_proc), __kmp_msg_null)
;
3936 kmp_str_buf_t buf;
3937 __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size
= sizeof((&buf)->bulk); (&buf)->used = 0; (&
buf)->bulk[0] = 0; }
;
3938 __kmp_str_buf_print(&buf, "%d", nPackages);
3939 KMP_INFORM(TopologyExtra, "KMP_HW_SUBSET", buf.str, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra
, "KMP_HW_SUBSET", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
3940 __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra
, "KMP_HW_SUBSET", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore
, __kmp_ncores), __kmp_msg_null)
;
3941 __kmp_str_buf_free(&buf);
3942 }
3943_exit:
3944 if (__kmp_pu_os_idx != NULL__null) {
3945 __kmp_free(__kmp_pu_os_idx)___kmp_free((__kmp_pu_os_idx), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 3945)
;
3946 __kmp_pu_os_idx = NULL__null;
3947 }
3948}
3949
3950// This function figures out the deepest level at which there is at least one
3951// cluster/core with more than one processing unit bound to it.
3952static int __kmp_affinity_find_core_level(const AddrUnsPair *address2os,
3953 int nprocs, int bottom_level) {
3954 int core_level = 0;
3955
3956 for (int i = 0; i < nprocs; i++) {
3957 for (int j = bottom_level; j > 0; j--) {
3958 if (address2os[i].first.labels[j] > 0) {
3959 if (core_level < (j - 1)) {
3960 core_level = j - 1;
3961 }
3962 }
3963 }
3964 }
3965 return core_level;
3966}
3967
3968// This function counts number of clusters/cores at given level.
3969static int __kmp_affinity_compute_ncores(const AddrUnsPair *address2os,
3970 int nprocs, int bottom_level,
3971 int core_level) {
3972 int ncores = 0;
3973 int i, j;
3974
3975 j = bottom_level;
3976 for (i = 0; i < nprocs; i++) {
3977 for (j = bottom_level; j > core_level; j--) {
3978 if ((i + 1) < nprocs) {
3979 if (address2os[i + 1].first.labels[j] > 0) {
3980 break;
3981 }
3982 }
3983 }
3984 if (j == core_level) {
3985 ncores++;
3986 }
3987 }
3988 if (j > core_level) {
3989 // In case of ( nprocs < __kmp_avail_proc ) we may end too deep and miss one
3990 // core. May occur when called from __kmp_affinity_find_core().
3991 ncores++;
3992 }
3993 return ncores;
3994}
3995
3996// This function finds to which cluster/core given processing unit is bound.
3997static int __kmp_affinity_find_core(const AddrUnsPair *address2os, int proc,
3998 int bottom_level, int core_level) {
3999 return __kmp_affinity_compute_ncores(address2os, proc + 1, bottom_level,
4000 core_level) -
4001 1;
4002}
4003
4004// This function finds maximal number of processing units bound to a
4005// cluster/core at given level.
4006static int __kmp_affinity_max_proc_per_core(const AddrUnsPair *address2os,
4007 int nprocs, int bottom_level,
4008 int core_level) {
4009 int maxprocpercore = 0;
4010
4011 if (core_level < bottom_level) {
4012 for (int i = 0; i < nprocs; i++) {
4013 int percore = address2os[i].first.labels[core_level + 1] + 1;
4014
4015 if (percore > maxprocpercore) {
4016 maxprocpercore = percore;
4017 }
4018 }
4019 } else {
4020 maxprocpercore = 1;
4021 }
4022 return maxprocpercore;
4023}
4024
4025static AddrUnsPair *address2os = NULL__null;
4026static int *procarr = NULL__null;
4027static int __kmp_aff_depth = 0;
4028
4029#if KMP_USE_HIER_SCHED0
4030#define KMP_EXIT_AFF_NONE \
4031 KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert
("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4031))
; \
4032 KMP_ASSERT(address2os == NULL)((address2os == __null) ? 0 : __kmp_debug_assert("address2os == NULL"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4032))
; \
4033 __kmp_apply_thread_places(NULL__null, 0); \
4034 __kmp_create_affinity_none_places(); \
4035 __kmp_dispatch_set_hierarchy_values(); \
4036 return;
4037#else
4038#define KMP_EXIT_AFF_NONE \
4039 KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert
("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4039))
; \
4040 KMP_ASSERT(address2os == NULL)((address2os == __null) ? 0 : __kmp_debug_assert("address2os == NULL"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4040))
; \
4041 __kmp_apply_thread_places(NULL__null, 0); \
4042 __kmp_create_affinity_none_places(); \
4043 return;
4044#endif
4045
4046// Create a one element mask array (set of places) which only contains the
4047// initial process's affinity mask
4048static void __kmp_create_affinity_none_places() {
4049 KMP_ASSERT(__kmp_affin_fullMask != NULL)((__kmp_affin_fullMask != __null) ? 0 : __kmp_debug_assert("__kmp_affin_fullMask != NULL"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4049))
;
4050 KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert
("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4050))
;
4051 __kmp_affinity_num_masks = 1;
4052 KMP_CPU_ALLOC_ARRAY(__kmp_affinity_masks, __kmp_affinity_num_masks)(__kmp_affinity_masks = __kmp_affinity_dispatch->allocate_mask_array
(__kmp_affinity_num_masks))
;
4053 kmp_affin_mask_t *dest = KMP_CPU_INDEX(__kmp_affinity_masks, 0)__kmp_affinity_dispatch->index_mask_array(__kmp_affinity_masks
, 0)
;
4054 KMP_CPU_COPY(dest, __kmp_affin_fullMask)(dest)->copy(__kmp_affin_fullMask);
4055}
4056
4057static int __kmp_affinity_cmp_Address_child_num(const void *a, const void *b) {
4058 const Address *aa = &(((const AddrUnsPair *)a)->first);
4059 const Address *bb = &(((const AddrUnsPair *)b)->first);
4060 unsigned depth = aa->depth;
4061 unsigned i;
4062 KMP_DEBUG_ASSERT(depth == bb->depth)((depth == bb->depth) ? 0 : __kmp_debug_assert("depth == bb->depth"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4062))
;
4063 KMP_DEBUG_ASSERT((unsigned)__kmp_affinity_compact <= depth)(((unsigned)__kmp_affinity_compact <= depth) ? 0 : __kmp_debug_assert
("(unsigned)__kmp_affinity_compact <= depth", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4063))
;
4064 KMP_DEBUG_ASSERT(__kmp_affinity_compact >= 0)((__kmp_affinity_compact >= 0) ? 0 : __kmp_debug_assert("__kmp_affinity_compact >= 0"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4064))
;
4065 for (i = 0; i < (unsigned)__kmp_affinity_compact; i++) {
4066 int j = depth - i - 1;
4067 if (aa->childNums[j] < bb->childNums[j])
4068 return -1;
4069 if (aa->childNums[j] > bb->childNums[j])
4070 return 1;
4071 }
4072 for (; i < depth; i++) {
4073 int j = i - __kmp_affinity_compact;
4074 if (aa->childNums[j] < bb->childNums[j])
4075 return -1;
4076 if (aa->childNums[j] > bb->childNums[j])
4077 return 1;
4078 }
4079 return 0;
4080}
4081
4082static void __kmp_aux_affinity_initialize(void) {
4083 if (__kmp_affinity_masks != NULL__null) {
4084 KMP_ASSERT(__kmp_affin_fullMask != NULL)((__kmp_affin_fullMask != __null) ? 0 : __kmp_debug_assert("__kmp_affin_fullMask != NULL"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4084))
;
4085 return;
4086 }
4087
4088 // Create the "full" mask - this defines all of the processors that we
4089 // consider to be in the machine model. If respect is set, then it is the
4090 // initialization thread's affinity mask. Otherwise, it is all processors that
4091 // we know about on the machine.
4092 if (__kmp_affin_fullMask == NULL__null) {
4093 KMP_CPU_ALLOC(__kmp_affin_fullMask)(__kmp_affin_fullMask = __kmp_affinity_dispatch->allocate_mask
())
;
4094 }
4095 if (KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
4096 if (__kmp_affinity_respect_mask) {
4097 __kmp_get_system_affinity(__kmp_affin_fullMask, TRUE)(__kmp_affin_fullMask)->get_system_affinity((!0));
4098
4099 // Count the number of available processors.
4100 unsigned i;
4101 __kmp_avail_proc = 0;
4102 KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask)for (i = (__kmp_affin_fullMask)->begin(); i != (__kmp_affin_fullMask
)->end(); i = (__kmp_affin_fullMask)->next(i))
{
4103 if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(i)) {
4104 continue;
4105 }
4106 __kmp_avail_proc++;
4107 }
4108 if (__kmp_avail_proc > __kmp_xproc) {
4109 if (__kmp_affinity_verbose ||
4110 (__kmp_affinity_warnings &&
4111 (__kmp_affinity_type != affinity_none))) {
4112 KMP_WARNING(ErrorInitializeAffinity)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_ErrorInitializeAffinity
), __kmp_msg_null)
;
4113 }
4114 __kmp_affinity_type = affinity_none;
4115 KMP_AFFINITY_DISABLE()(__kmp_affin_mask_size = 0);
4116 return;
4117 }
4118 } else {
4119 __kmp_affinity_entire_machine_mask(__kmp_affin_fullMask);
4120 __kmp_avail_proc = __kmp_xproc;
4121 }
4122 }
4123
4124 if (__kmp_affinity_gran == affinity_gran_tile &&
4125 // check if user's request is valid
4126 __kmp_affinity_dispatch->get_api_type() == KMPAffinity::NATIVE_OS) {
4127 KMP_WARNING(AffTilesNoHWLOC, "KMP_AFFINITY")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffTilesNoHWLOC
, "KMP_AFFINITY"), __kmp_msg_null)
;
4128 __kmp_affinity_gran = affinity_gran_package;
4129 }
4130
4131 int depth = -1;
4132 kmp_i18n_id_t msg_id = kmp_i18n_null;
4133
4134 // For backward compatibility, setting KMP_CPUINFO_FILE =>
4135 // KMP_TOPOLOGY_METHOD=cpuinfo
4136 if ((__kmp_cpuinfo_file != NULL__null) &&
4137 (__kmp_affinity_top_method == affinity_top_method_all)) {
4138 __kmp_affinity_top_method = affinity_top_method_cpuinfo;
4139 }
4140
4141 if (__kmp_affinity_top_method == affinity_top_method_all) {
4142 // In the default code path, errors are not fatal - we just try using
4143 // another method. We only emit a warning message if affinity is on, or the
4144 // verbose flag is set, an the nowarnings flag was not set.
4145 const char *file_name = NULL__null;
4146 int line = 0;
4147#if KMP_USE_HWLOC0
4148 if (depth < 0 &&
4149 __kmp_affinity_dispatch->get_api_type() == KMPAffinity::HWLOC) {
4150 if (__kmp_affinity_verbose) {
4151 KMP_INFORM(AffUsingHwloc, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUsingHwloc
, "KMP_AFFINITY"), __kmp_msg_null)
;
4152 }
4153 if (!__kmp_hwloc_error) {
4154 depth = __kmp_affinity_create_hwloc_map(&address2os, &msg_id);
4155 if (depth == 0) {
4156 KMP_EXIT_AFF_NONE;
4157 } else if (depth < 0 && __kmp_affinity_verbose) {
4158 KMP_INFORM(AffIgnoringHwloc, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffIgnoringHwloc
, "KMP_AFFINITY"), __kmp_msg_null)
;
4159 }
4160 } else if (__kmp_affinity_verbose) {
4161 KMP_INFORM(AffIgnoringHwloc, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffIgnoringHwloc
, "KMP_AFFINITY"), __kmp_msg_null)
;
4162 }
4163 }
4164#endif
4165
4166#if KMP_ARCH_X860 || KMP_ARCH_X86_641
4167
4168 if (depth < 0) {
4169 if (__kmp_affinity_verbose) {
4170 KMP_INFORM(AffInfoStr, "KMP_AFFINITY", KMP_I18N_STR(Decodingx2APIC))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStr
, "KMP_AFFINITY", __kmp_i18n_catgets(kmp_i18n_str_Decodingx2APIC
)), __kmp_msg_null)
;
4171 }
4172
4173 file_name = NULL__null;
4174 depth = __kmp_affinity_create_x2apicid_map(&address2os, &msg_id);
4175 if (depth == 0) {
4176 KMP_EXIT_AFF_NONE;
4177 }
4178
4179 if (depth < 0) {
4180 if (__kmp_affinity_verbose) {
4181 if (msg_id != kmp_i18n_null) {
4182 KMP_INFORM(AffInfoStrStr, "KMP_AFFINITY",__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStrStr
, "KMP_AFFINITY", __kmp_i18n_catgets(msg_id), __kmp_i18n_catgets
(kmp_i18n_str_DecodingLegacyAPIC)), __kmp_msg_null)
4183 __kmp_i18n_catgets(msg_id),__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStrStr
, "KMP_AFFINITY", __kmp_i18n_catgets(msg_id), __kmp_i18n_catgets
(kmp_i18n_str_DecodingLegacyAPIC)), __kmp_msg_null)
4184 KMP_I18N_STR(DecodingLegacyAPIC))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStrStr
, "KMP_AFFINITY", __kmp_i18n_catgets(msg_id), __kmp_i18n_catgets
(kmp_i18n_str_DecodingLegacyAPIC)), __kmp_msg_null)
;
4185 } else {
4186 KMP_INFORM(AffInfoStr, "KMP_AFFINITY",__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStr
, "KMP_AFFINITY", __kmp_i18n_catgets(kmp_i18n_str_DecodingLegacyAPIC
)), __kmp_msg_null)
4187 KMP_I18N_STR(DecodingLegacyAPIC))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStr
, "KMP_AFFINITY", __kmp_i18n_catgets(kmp_i18n_str_DecodingLegacyAPIC
)), __kmp_msg_null)
;
4188 }
4189 }
4190
4191 file_name = NULL__null;
4192 depth = __kmp_affinity_create_apicid_map(&address2os, &msg_id);
4193 if (depth == 0) {
4194 KMP_EXIT_AFF_NONE;
4195 }
4196 }
4197 }
4198
4199#endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
4200
4201#if KMP_OS_LINUX1
4202
4203 if (depth < 0) {
4204 if (__kmp_affinity_verbose) {
4205 if (msg_id != kmp_i18n_null) {
4206 KMP_INFORM(AffStrParseFilename, "KMP_AFFINITY",__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffStrParseFilename
, "KMP_AFFINITY", __kmp_i18n_catgets(msg_id), "/proc/cpuinfo"
), __kmp_msg_null)
4207 __kmp_i18n_catgets(msg_id), "/proc/cpuinfo")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffStrParseFilename
, "KMP_AFFINITY", __kmp_i18n_catgets(msg_id), "/proc/cpuinfo"
), __kmp_msg_null)
;
4208 } else {
4209 KMP_INFORM(AffParseFilename, "KMP_AFFINITY", "/proc/cpuinfo")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffParseFilename
, "KMP_AFFINITY", "/proc/cpuinfo"), __kmp_msg_null)
;
4210 }
4211 }
4212
4213 FILE *f = fopen("/proc/cpuinfo", "r");
4214 if (f == NULL__null) {
4215 msg_id = kmp_i18n_str_CantOpenCpuinfo;
4216 } else {
4217 file_name = "/proc/cpuinfo";
4218 depth =
4219 __kmp_affinity_create_cpuinfo_map(&address2os, &line, &msg_id, f);
4220 fclose(f);
4221 if (depth == 0) {
4222 KMP_EXIT_AFF_NONE;
4223 }
4224 }
4225 }
4226
4227#endif /* KMP_OS_LINUX */
4228
4229#if KMP_GROUP_AFFINITY0
4230
4231 if ((depth < 0) && (__kmp_num_proc_groups > 1)) {
4232 if (__kmp_affinity_verbose) {
4233 KMP_INFORM(AffWindowsProcGroupMap, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffWindowsProcGroupMap
, "KMP_AFFINITY"), __kmp_msg_null)
;
4234 }
4235
4236 depth = __kmp_affinity_create_proc_group_map(&address2os, &msg_id);
4237 KMP_ASSERT(depth != 0)((depth != 0) ? 0 : __kmp_debug_assert("depth != 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4237))
;
4238 }
4239
4240#endif /* KMP_GROUP_AFFINITY */
4241
4242 if (depth < 0) {
4243 if (__kmp_affinity_verbose && (msg_id != kmp_i18n_null)) {
4244 if (file_name == NULL__null) {
4245 KMP_INFORM(UsingFlatOS, __kmp_i18n_catgets(msg_id))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_UsingFlatOS
, __kmp_i18n_catgets(msg_id)), __kmp_msg_null)
;
4246 } else if (line == 0) {
4247 KMP_INFORM(UsingFlatOSFile, file_name, __kmp_i18n_catgets(msg_id))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_UsingFlatOSFile
, file_name, __kmp_i18n_catgets(msg_id)), __kmp_msg_null)
;
4248 } else {
4249 KMP_INFORM(UsingFlatOSFileLine, file_name, line,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_UsingFlatOSFileLine
, file_name, line, __kmp_i18n_catgets(msg_id)), __kmp_msg_null
)
4250 __kmp_i18n_catgets(msg_id))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_UsingFlatOSFileLine
, file_name, line, __kmp_i18n_catgets(msg_id)), __kmp_msg_null
)
;
4251 }
4252 }
4253 // FIXME - print msg if msg_id = kmp_i18n_null ???
4254
4255 file_name = "";
4256 depth = __kmp_affinity_create_flat_map(&address2os, &msg_id);
4257 if (depth == 0) {
4258 KMP_EXIT_AFF_NONE;
4259 }
4260 KMP_ASSERT(depth > 0)((depth > 0) ? 0 : __kmp_debug_assert("depth > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4260))
;
4261 KMP_ASSERT(address2os != NULL)((address2os != __null) ? 0 : __kmp_debug_assert("address2os != NULL"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4261))
;
4262 }
4263 }
4264
4265#if KMP_USE_HWLOC0
4266 else if (__kmp_affinity_top_method == affinity_top_method_hwloc) {
4267 KMP_ASSERT(__kmp_affinity_dispatch->get_api_type() == KMPAffinity::HWLOC)((__kmp_affinity_dispatch->get_api_type() == KMPAffinity::
HWLOC) ? 0 : __kmp_debug_assert("__kmp_affinity_dispatch->get_api_type() == KMPAffinity::HWLOC"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4267))
;
4268 if (__kmp_affinity_verbose) {
4269 KMP_INFORM(AffUsingHwloc, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUsingHwloc
, "KMP_AFFINITY"), __kmp_msg_null)
;
4270 }
4271 depth = __kmp_affinity_create_hwloc_map(&address2os, &msg_id);
4272 if (depth == 0) {
4273 KMP_EXIT_AFF_NONE;
4274 }
4275 }
4276#endif // KMP_USE_HWLOC
4277
4278// If the user has specified that a paricular topology discovery method is to be
4279// used, then we abort if that method fails. The exception is group affinity,
4280// which might have been implicitly set.
4281
4282#if KMP_ARCH_X860 || KMP_ARCH_X86_641
4283
4284 else if (__kmp_affinity_top_method == affinity_top_method_x2apicid) {
4285 if (__kmp_affinity_verbose) {
4286 KMP_INFORM(AffInfoStr, "KMP_AFFINITY", KMP_I18N_STR(Decodingx2APIC))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStr
, "KMP_AFFINITY", __kmp_i18n_catgets(kmp_i18n_str_Decodingx2APIC
)), __kmp_msg_null)
;
4287 }
4288
4289 depth = __kmp_affinity_create_x2apicid_map(&address2os, &msg_id);
4290 if (depth == 0) {
4291 KMP_EXIT_AFF_NONE;
4292 }
4293 if (depth < 0) {
4294 KMP_ASSERT(msg_id != kmp_i18n_null)((msg_id != kmp_i18n_null) ? 0 : __kmp_debug_assert("msg_id != kmp_i18n_null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4294))
;
4295 KMP_FATAL(MsgExiting, __kmp_i18n_catgets(msg_id))__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_MsgExiting, __kmp_i18n_catgets
(msg_id)), __kmp_msg_null)
;
4296 }
4297 } else if (__kmp_affinity_top_method == affinity_top_method_apicid) {
4298 if (__kmp_affinity_verbose) {
4299 KMP_INFORM(AffInfoStr, "KMP_AFFINITY", KMP_I18N_STR(DecodingLegacyAPIC))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStr
, "KMP_AFFINITY", __kmp_i18n_catgets(kmp_i18n_str_DecodingLegacyAPIC
)), __kmp_msg_null)
;
4300 }
4301
4302 depth = __kmp_affinity_create_apicid_map(&address2os, &msg_id);
4303 if (depth == 0) {
4304 KMP_EXIT_AFF_NONE;
4305 }
4306 if (depth < 0) {
4307 KMP_ASSERT(msg_id != kmp_i18n_null)((msg_id != kmp_i18n_null) ? 0 : __kmp_debug_assert("msg_id != kmp_i18n_null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4307))
;
4308 KMP_FATAL(MsgExiting, __kmp_i18n_catgets(msg_id))__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_MsgExiting, __kmp_i18n_catgets
(msg_id)), __kmp_msg_null)
;
4309 }
4310 }
4311
4312#endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
4313
4314 else if (__kmp_affinity_top_method == affinity_top_method_cpuinfo) {
4315 const char *filename;
4316 if (__kmp_cpuinfo_file != NULL__null) {
4317 filename = __kmp_cpuinfo_file;
4318 } else {
4319 filename = "/proc/cpuinfo";
4320 }
4321
4322 if (__kmp_affinity_verbose) {
4323 KMP_INFORM(AffParseFilename, "KMP_AFFINITY", filename)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffParseFilename
, "KMP_AFFINITY", filename), __kmp_msg_null)
;
4324 }
4325
4326 FILE *f = fopen(filename, "r");
4327 if (f == NULL__null) {
4328 int code = errno(*__errno_location ());
4329 if (__kmp_cpuinfo_file != NULL__null) {
4330 __kmp_fatal(KMP_MSG(CantOpenFileForReading, filename)__kmp_msg_format(kmp_i18n_msg_CantOpenFileForReading, filename
)
, KMP_ERR(code)__kmp_msg_error_code(code),
4331 KMP_HNT(NameComesFrom_CPUINFO_FILE)__kmp_msg_format(kmp_i18n_hnt_NameComesFrom_CPUINFO_FILE), __kmp_msg_null);
4332 } else {
4333 __kmp_fatal(KMP_MSG(CantOpenFileForReading, filename)__kmp_msg_format(kmp_i18n_msg_CantOpenFileForReading, filename
)
, KMP_ERR(code)__kmp_msg_error_code(code),
4334 __kmp_msg_null);
4335 }
4336 }
4337 int line = 0;
4338 depth = __kmp_affinity_create_cpuinfo_map(&address2os, &line, &msg_id, f);
4339 fclose(f);
4340 if (depth < 0) {
4341 KMP_ASSERT(msg_id != kmp_i18n_null)((msg_id != kmp_i18n_null) ? 0 : __kmp_debug_assert("msg_id != kmp_i18n_null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4341))
;
4342 if (line > 0) {
4343 KMP_FATAL(FileLineMsgExiting, filename, line,__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_FileLineMsgExiting,
filename, line, __kmp_i18n_catgets(msg_id)), __kmp_msg_null)
4344 __kmp_i18n_catgets(msg_id))__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_FileLineMsgExiting,
filename, line, __kmp_i18n_catgets(msg_id)), __kmp_msg_null)
;
4345 } else {
4346 KMP_FATAL(FileMsgExiting, filename, __kmp_i18n_catgets(msg_id))__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_FileMsgExiting, filename
, __kmp_i18n_catgets(msg_id)), __kmp_msg_null)
;
4347 }
4348 }
4349 if (__kmp_affinity_type == affinity_none) {
4350 KMP_ASSERT(depth == 0)((depth == 0) ? 0 : __kmp_debug_assert("depth == 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4350))
;
4351 KMP_EXIT_AFF_NONE;
4352 }
4353 }
4354
4355#if KMP_GROUP_AFFINITY0
4356
4357 else if (__kmp_affinity_top_method == affinity_top_method_group) {
4358 if (__kmp_affinity_verbose) {
4359 KMP_INFORM(AffWindowsProcGroupMap, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffWindowsProcGroupMap
, "KMP_AFFINITY"), __kmp_msg_null)
;
4360 }
4361
4362 depth = __kmp_affinity_create_proc_group_map(&address2os, &msg_id);
4363 KMP_ASSERT(depth != 0)((depth != 0) ? 0 : __kmp_debug_assert("depth != 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4363))
;
4364 if (depth < 0) {
4365 KMP_ASSERT(msg_id != kmp_i18n_null)((msg_id != kmp_i18n_null) ? 0 : __kmp_debug_assert("msg_id != kmp_i18n_null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4365))
;
4366 KMP_FATAL(MsgExiting, __kmp_i18n_catgets(msg_id))__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_MsgExiting, __kmp_i18n_catgets
(msg_id)), __kmp_msg_null)
;
4367 }
4368 }
4369
4370#endif /* KMP_GROUP_AFFINITY */
4371
4372 else if (__kmp_affinity_top_method == affinity_top_method_flat) {
4373 if (__kmp_affinity_verbose) {
4374 KMP_INFORM(AffUsingFlatOS, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUsingFlatOS
, "KMP_AFFINITY"), __kmp_msg_null)
;
4375 }
4376
4377 depth = __kmp_affinity_create_flat_map(&address2os, &msg_id);
4378 if (depth == 0) {
4379 KMP_EXIT_AFF_NONE;
4380 }
4381 // should not fail
4382 KMP_ASSERT(depth > 0)((depth > 0) ? 0 : __kmp_debug_assert("depth > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4382))
;
4383 KMP_ASSERT(address2os != NULL)((address2os != __null) ? 0 : __kmp_debug_assert("address2os != NULL"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4383))
;
4384 }
4385
4386#if KMP_USE_HIER_SCHED0
4387 __kmp_dispatch_set_hierarchy_values();
4388#endif
4389
4390 if (address2os == NULL__null) {
4391 if (KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0) &&
4392 (__kmp_affinity_verbose ||
4393 (__kmp_affinity_warnings && (__kmp_affinity_type != affinity_none)))) {
4394 KMP_WARNING(ErrorInitializeAffinity)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_ErrorInitializeAffinity
), __kmp_msg_null)
;
4395 }
4396 __kmp_affinity_type = affinity_none;
4397 __kmp_create_affinity_none_places();
4398 KMP_AFFINITY_DISABLE()(__kmp_affin_mask_size = 0);
4399 return;
4400 }
4401
4402 if (__kmp_affinity_gran == affinity_gran_tile
4403#if KMP_USE_HWLOC0
4404 && __kmp_tile_depth == 0
4405#endif
4406 ) {
4407 // tiles requested but not detected, warn user on this
4408 KMP_WARNING(AffTilesNoTiles, "KMP_AFFINITY")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffTilesNoTiles
, "KMP_AFFINITY"), __kmp_msg_null)
;
4409 }
4410
4411 __kmp_apply_thread_places(&address2os, depth);
4412
4413 // Create the table of masks, indexed by thread Id.
4414 unsigned maxIndex;
4415 unsigned numUnique;
4416 kmp_affin_mask_t *osId2Mask =
4417 __kmp_create_masks(&maxIndex, &numUnique, address2os, __kmp_avail_proc);
4418 if (__kmp_affinity_gran_levels == 0) {
4419 KMP_DEBUG_ASSERT((int)numUnique == __kmp_avail_proc)(((int)numUnique == __kmp_avail_proc) ? 0 : __kmp_debug_assert
("(int)numUnique == __kmp_avail_proc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4419))
;
4420 }
4421
4422 // Set the childNums vector in all Address objects. This must be done before
4423 // we can sort using __kmp_affinity_cmp_Address_child_num(), which takes into
4424 // account the setting of __kmp_affinity_compact.
4425 __kmp_affinity_assign_child_nums(address2os, __kmp_avail_proc);
4426
4427 switch (__kmp_affinity_type) {
4428
4429 case affinity_explicit:
4430 KMP_DEBUG_ASSERT(__kmp_affinity_proclist != NULL)((__kmp_affinity_proclist != __null) ? 0 : __kmp_debug_assert
("__kmp_affinity_proclist != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4430))
;
4431#if OMP_40_ENABLED(50 >= 40)
4432 if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_intel)
4433#endif
4434 {
4435 __kmp_affinity_process_proclist(
4436 &__kmp_affinity_masks, &__kmp_affinity_num_masks,
4437 __kmp_affinity_proclist, osId2Mask, maxIndex);
4438 }
4439#if OMP_40_ENABLED(50 >= 40)
4440 else {
4441 __kmp_affinity_process_placelist(
4442 &__kmp_affinity_masks, &__kmp_affinity_num_masks,
4443 __kmp_affinity_proclist, osId2Mask, maxIndex);
4444 }
4445#endif
4446 if (__kmp_affinity_num_masks == 0) {
4447 if (__kmp_affinity_verbose ||
4448 (__kmp_affinity_warnings && (__kmp_affinity_type != affinity_none))) {
4449 KMP_WARNING(AffNoValidProcID)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffNoValidProcID
), __kmp_msg_null)
;
4450 }
4451 __kmp_affinity_type = affinity_none;
4452 return;
4453 }
4454 break;
4455
4456 // The other affinity types rely on sorting the Addresses according to some
4457 // permutation of the machine topology tree. Set __kmp_affinity_compact and
4458 // __kmp_affinity_offset appropriately, then jump to a common code fragment
4459 // to do the sort and create the array of affinity masks.
4460
4461 case affinity_logical:
4462 __kmp_affinity_compact = 0;
4463 if (__kmp_affinity_offset) {
4464 __kmp_affinity_offset =
4465 __kmp_nThreadsPerCore * __kmp_affinity_offset % __kmp_avail_proc;
4466 }
4467 goto sortAddresses;
4468
4469 case affinity_physical:
4470 if (__kmp_nThreadsPerCore > 1) {
4471 __kmp_affinity_compact = 1;
4472 if (__kmp_affinity_compact >= depth) {
4473 __kmp_affinity_compact = 0;
4474 }
4475 } else {
4476 __kmp_affinity_compact = 0;
4477 }
4478 if (__kmp_affinity_offset) {
4479 __kmp_affinity_offset =
4480 __kmp_nThreadsPerCore * __kmp_affinity_offset % __kmp_avail_proc;
4481 }
4482 goto sortAddresses;
4483
4484 case affinity_scatter:
4485 if (__kmp_affinity_compact >= depth) {
4486 __kmp_affinity_compact = 0;
4487 } else {
4488 __kmp_affinity_compact = depth - 1 - __kmp_affinity_compact;
4489 }
4490 goto sortAddresses;
4491
4492 case affinity_compact:
4493 if (__kmp_affinity_compact >= depth) {
4494 __kmp_affinity_compact = depth - 1;
4495 }
4496 goto sortAddresses;
4497
4498 case affinity_balanced:
4499 if (depth <= 1) {
4500 if (__kmp_affinity_verbose || __kmp_affinity_warnings) {
4501 KMP_WARNING(AffBalancedNotAvail, "KMP_AFFINITY")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffBalancedNotAvail
, "KMP_AFFINITY"), __kmp_msg_null)
;
4502 }
4503 __kmp_affinity_type = affinity_none;
4504 return;
4505 } else if (__kmp_affinity_uniform_topology()) {
4506 break;
4507 } else { // Non-uniform topology
4508
4509 // Save the depth for further usage
4510 __kmp_aff_depth = depth;
4511
4512 int core_level = __kmp_affinity_find_core_level(
4513 address2os, __kmp_avail_proc, depth - 1);
4514 int ncores = __kmp_affinity_compute_ncores(address2os, __kmp_avail_proc,
4515 depth - 1, core_level);
4516 int maxprocpercore = __kmp_affinity_max_proc_per_core(
4517 address2os, __kmp_avail_proc, depth - 1, core_level);
4518
4519 int nproc = ncores * maxprocpercore;
4520 if ((nproc < 2) || (nproc < __kmp_avail_proc)) {
4521 if (__kmp_affinity_verbose || __kmp_affinity_warnings) {
4522 KMP_WARNING(AffBalancedNotAvail, "KMP_AFFINITY")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffBalancedNotAvail
, "KMP_AFFINITY"), __kmp_msg_null)
;
4523 }
4524 __kmp_affinity_type = affinity_none;
4525 return;
4526 }
4527
4528 procarr = (int *)__kmp_allocate(sizeof(int) * nproc)___kmp_allocate((sizeof(int) * nproc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4528)
;
4529 for (int i = 0; i < nproc; i++) {
4530 procarr[i] = -1;
4531 }
4532
4533 int lastcore = -1;
4534 int inlastcore = 0;
4535 for (int i = 0; i < __kmp_avail_proc; i++) {
4536 int proc = address2os[i].second;
4537 int core =
4538 __kmp_affinity_find_core(address2os, i, depth - 1, core_level);
4539
4540 if (core == lastcore) {
4541 inlastcore++;
4542 } else {
4543 inlastcore = 0;
4544 }
4545 lastcore = core;
4546
4547 procarr[core * maxprocpercore + inlastcore] = proc;
4548 }
4549
4550 break;
4551 }
4552
4553 sortAddresses:
4554 // Allocate the gtid->affinity mask table.
4555 if (__kmp_affinity_dups) {
4556 __kmp_affinity_num_masks = __kmp_avail_proc;
4557 } else {
4558 __kmp_affinity_num_masks = numUnique;
4559 }
4560
4561#if OMP_40_ENABLED(50 >= 40)
4562 if ((__kmp_nested_proc_bind.bind_types[0] != proc_bind_intel) &&
4563 (__kmp_affinity_num_places > 0) &&
4564 ((unsigned)__kmp_affinity_num_places < __kmp_affinity_num_masks)) {
4565 __kmp_affinity_num_masks = __kmp_affinity_num_places;
4566 }
4567#endif
4568
4569 KMP_CPU_ALLOC_ARRAY(__kmp_affinity_masks, __kmp_affinity_num_masks)(__kmp_affinity_masks = __kmp_affinity_dispatch->allocate_mask_array
(__kmp_affinity_num_masks))
;
4570
4571 // Sort the address2os table according to the current setting of
4572 // __kmp_affinity_compact, then fill out __kmp_affinity_masks.
4573 qsort(address2os, __kmp_avail_proc, sizeof(*address2os),
4574 __kmp_affinity_cmp_Address_child_num);
4575 {
4576 int i;
4577 unsigned j;
4578 for (i = 0, j = 0; i < __kmp_avail_proc; i++) {
4579 if ((!__kmp_affinity_dups) && (!address2os[i].first.leader)) {
4580 continue;
4581 }
4582 unsigned osId = address2os[i].second;
4583 kmp_affin_mask_t *src = KMP_CPU_INDEX(osId2Mask, osId)__kmp_affinity_dispatch->index_mask_array(osId2Mask, osId);
4584 kmp_affin_mask_t *dest = KMP_CPU_INDEX(__kmp_affinity_masks, j)__kmp_affinity_dispatch->index_mask_array(__kmp_affinity_masks
, j)
;
4585 KMP_ASSERT(KMP_CPU_ISSET(osId, src))(((src)->is_set(osId)) ? 0 : __kmp_debug_assert("KMP_CPU_ISSET(osId, src)"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4585))
;
4586 KMP_CPU_COPY(dest, src)(dest)->copy(src);
4587 if (++j >= __kmp_affinity_num_masks) {
4588 break;
4589 }
4590 }
4591 KMP_DEBUG_ASSERT(j == __kmp_affinity_num_masks)((j == __kmp_affinity_num_masks) ? 0 : __kmp_debug_assert("j == __kmp_affinity_num_masks"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4591))
;
4592 }
4593 break;
4594
4595 default:
4596 KMP_ASSERT2(0, "Unexpected affinity setting")((0) ? 0 : __kmp_debug_assert(("Unexpected affinity setting")
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4596))
;
4597 }
4598
4599 KMP_CPU_FREE_ARRAY(osId2Mask, maxIndex + 1)__kmp_affinity_dispatch->deallocate_mask_array(osId2Mask);
4600 machine_hierarchy.init(address2os, __kmp_avail_proc);
4601}
4602#undef KMP_EXIT_AFF_NONE
4603
4604void __kmp_affinity_initialize(void) {
4605 // Much of the code above was written assumming that if a machine was not
4606 // affinity capable, then __kmp_affinity_type == affinity_none. We now
4607 // explicitly represent this as __kmp_affinity_type == affinity_disabled.
4608 // There are too many checks for __kmp_affinity_type == affinity_none
4609 // in this code. Instead of trying to change them all, check if
4610 // __kmp_affinity_type == affinity_disabled, and if so, slam it with
4611 // affinity_none, call the real initialization routine, then restore
4612 // __kmp_affinity_type to affinity_disabled.
4613 int disabled = (__kmp_affinity_type == affinity_disabled);
4614 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
4615 KMP_ASSERT(disabled)((disabled) ? 0 : __kmp_debug_assert("disabled", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4615))
;
4616 }
4617 if (disabled) {
4618 __kmp_affinity_type = affinity_none;
4619 }
4620 __kmp_aux_affinity_initialize();
4621 if (disabled) {
4622 __kmp_affinity_type = affinity_disabled;
4623 }
4624}
4625
4626void __kmp_affinity_uninitialize(void) {
4627 if (__kmp_affinity_masks != NULL__null) {
4628 KMP_CPU_FREE_ARRAY(__kmp_affinity_masks, __kmp_affinity_num_masks)__kmp_affinity_dispatch->deallocate_mask_array(__kmp_affinity_masks
)
;
4629 __kmp_affinity_masks = NULL__null;
4630 }
4631 if (__kmp_affin_fullMask != NULL__null) {
4632 KMP_CPU_FREE(__kmp_affin_fullMask)__kmp_affinity_dispatch->deallocate_mask(__kmp_affin_fullMask
)
;
4633 __kmp_affin_fullMask = NULL__null;
4634 }
4635 __kmp_affinity_num_masks = 0;
4636 __kmp_affinity_type = affinity_default;
4637#if OMP_40_ENABLED(50 >= 40)
4638 __kmp_affinity_num_places = 0;
4639#endif
4640 if (__kmp_affinity_proclist != NULL__null) {
4641 __kmp_free(__kmp_affinity_proclist)___kmp_free((__kmp_affinity_proclist), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4641)
;
4642 __kmp_affinity_proclist = NULL__null;
4643 }
4644 if (address2os != NULL__null) {
4645 __kmp_free(address2os)___kmp_free((address2os), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4645)
;
4646 address2os = NULL__null;
4647 }
4648 if (procarr != NULL__null) {
4649 __kmp_free(procarr)___kmp_free((procarr), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4649)
;
4650 procarr = NULL__null;
4651 }
4652#if KMP_USE_HWLOC0
4653 if (__kmp_hwloc_topology != NULL__null) {
4654 hwloc_topology_destroy(__kmp_hwloc_topology);
4655 __kmp_hwloc_topology = NULL__null;
4656 }
4657#endif
4658 KMPAffinity::destroy_api();
4659}
4660
4661void __kmp_affinity_set_init_mask(int gtid, int isa_root) {
4662 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
4663 return;
4664 }
4665
4666 kmp_info_t *th = (kmp_info_t *)TCR_SYNC_PTR(__kmp_threads[gtid])((void *)(__kmp_threads[gtid]));
4667 if (th->th.th_affin_mask == NULL__null) {
4668 KMP_CPU_ALLOC(th->th.th_affin_mask)(th->th.th_affin_mask = __kmp_affinity_dispatch->allocate_mask
())
;
4669 } else {
4670 KMP_CPU_ZERO(th->th.th_affin_mask)(th->th.th_affin_mask)->zero();
4671 }
4672
4673 // Copy the thread mask to the kmp_info_t strucuture. If
4674 // __kmp_affinity_type == affinity_none, copy the "full" mask, i.e. one that
4675 // has all of the OS proc ids set, or if __kmp_affinity_respect_mask is set,
4676 // then the full mask is the same as the mask of the initialization thread.
4677 kmp_affin_mask_t *mask;
4678 int i;
4679
4680#if OMP_40_ENABLED(50 >= 40)
4681 if (KMP_AFFINITY_NON_PROC_BIND((__kmp_nested_proc_bind.bind_types[0] == proc_bind_false || __kmp_nested_proc_bind
.bind_types[0] == proc_bind_intel) && (__kmp_affinity_num_masks
> 0 || __kmp_affinity_type == affinity_balanced))
)
4682#endif
4683 {
4684 if ((__kmp_affinity_type == affinity_none) ||
4685 (__kmp_affinity_type == affinity_balanced)) {
4686#if KMP_GROUP_AFFINITY0
4687 if (__kmp_num_proc_groups > 1) {
4688 return;
4689 }
4690#endif
4691 KMP_ASSERT(__kmp_affin_fullMask != NULL)((__kmp_affin_fullMask != __null) ? 0 : __kmp_debug_assert("__kmp_affin_fullMask != NULL"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4691))
;
4692 i = 0;
4693 mask = __kmp_affin_fullMask;
4694 } else {
4695 KMP_DEBUG_ASSERT(__kmp_affinity_num_masks > 0)((__kmp_affinity_num_masks > 0) ? 0 : __kmp_debug_assert("__kmp_affinity_num_masks > 0"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4695))
;
4696 i = (gtid + __kmp_affinity_offset) % __kmp_affinity_num_masks;
4697 mask = KMP_CPU_INDEX(__kmp_affinity_masks, i)__kmp_affinity_dispatch->index_mask_array(__kmp_affinity_masks
, i)
;
4698 }
4699 }
4700#if OMP_40_ENABLED(50 >= 40)
4701 else {
4702 if ((!isa_root) ||
4703 (__kmp_nested_proc_bind.bind_types[0] == proc_bind_false)) {
4704#if KMP_GROUP_AFFINITY0
4705 if (__kmp_num_proc_groups > 1) {
4706 return;
4707 }
4708#endif
4709 KMP_ASSERT(__kmp_affin_fullMask != NULL)((__kmp_affin_fullMask != __null) ? 0 : __kmp_debug_assert("__kmp_affin_fullMask != NULL"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4709))
;
4710 i = KMP_PLACE_ALL(-1);
4711 mask = __kmp_affin_fullMask;
4712 } else {
4713 // int i = some hash function or just a counter that doesn't
4714 // always start at 0. Use gtid for now.
4715 KMP_DEBUG_ASSERT(__kmp_affinity_num_masks > 0)((__kmp_affinity_num_masks > 0) ? 0 : __kmp_debug_assert("__kmp_affinity_num_masks > 0"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4715))
;
4716 i = (gtid + __kmp_affinity_offset) % __kmp_affinity_num_masks;
4717 mask = KMP_CPU_INDEX(__kmp_affinity_masks, i)__kmp_affinity_dispatch->index_mask_array(__kmp_affinity_masks
, i)
;
4718 }
4719 }
4720#endif
4721
4722#if OMP_40_ENABLED(50 >= 40)
4723 th->th.th_current_place = i;
4724 if (isa_root) {
4725 th->th.th_new_place = i;
4726 th->th.th_first_place = 0;
4727 th->th.th_last_place = __kmp_affinity_num_masks - 1;
4728 }
4729
4730 if (i == KMP_PLACE_ALL(-1)) {
4731 KA_TRACE(100, ("__kmp_affinity_set_init_mask: binding T#%d to all places\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to all places\n"
, gtid); }
4732 gtid))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to all places\n"
, gtid); }
;
4733 } else {
4734 KA_TRACE(100, ("__kmp_affinity_set_init_mask: binding T#%d to place %d\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to place %d\n"
, gtid, i); }
4735 gtid, i))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to place %d\n"
, gtid, i); }
;
4736 }
4737#else
4738 if (i == -1) {
4739 KA_TRACE(if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to __kmp_affin_fullMask\n"
, gtid); }
4740 100,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to __kmp_affin_fullMask\n"
, gtid); }
4741 ("__kmp_affinity_set_init_mask: binding T#%d to __kmp_affin_fullMask\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to __kmp_affin_fullMask\n"
, gtid); }
4742 gtid))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to __kmp_affin_fullMask\n"
, gtid); }
;
4743 } else {
4744 KA_TRACE(100, ("__kmp_affinity_set_init_mask: binding T#%d to mask %d\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to mask %d\n"
, gtid, i); }
4745 gtid, i))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to mask %d\n"
, gtid, i); }
;
4746 }
4747#endif /* OMP_40_ENABLED */
4748
4749 KMP_CPU_COPY(th->th.th_affin_mask, mask)(th->th.th_affin_mask)->copy(mask);
4750
4751 if (__kmp_affinity_verbose
4752 /* to avoid duplicate printing (will be correctly printed on barrier) */
4753 && (__kmp_affinity_type == affinity_none || i != KMP_PLACE_ALL(-1))) {
4754 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
4755 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024,
4756 th->th.th_affin_mask);
4757 KMP_INFORM(BoundToOSProcSet, "KMP_AFFINITY", (kmp_int32)getpid(),__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet
, "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), gtid, buf
), __kmp_msg_null)
4758 __kmp_gettid(), gtid, buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet
, "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), gtid, buf
), __kmp_msg_null)
;
4759 }
4760
4761#if KMP_OS_WINDOWS0
4762 // On Windows* OS, the process affinity mask might have changed. If the user
4763 // didn't request affinity and this call fails, just continue silently.
4764 // See CQ171393.
4765 if (__kmp_affinity_type == affinity_none) {
4766 __kmp_set_system_affinity(th->th.th_affin_mask, FALSE)(th->th.th_affin_mask)->set_system_affinity(0);
4767 } else
4768#endif
4769 __kmp_set_system_affinity(th->th.th_affin_mask, TRUE)(th->th.th_affin_mask)->set_system_affinity((!0));
4770}
4771
4772#if OMP_40_ENABLED(50 >= 40)
4773
4774void __kmp_affinity_set_place(int gtid) {
4775 int retval;
4776
4777 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
4778 return;
4779 }
4780
4781 kmp_info_t *th = (kmp_info_t *)TCR_SYNC_PTR(__kmp_threads[gtid])((void *)(__kmp_threads[gtid]));
4782
4783 KA_TRACE(100, ("__kmp_affinity_set_place: binding T#%d to place %d (current "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_place: binding T#%d to place %d (current "
"place = %d)\n", gtid, th->th.th_new_place, th->th.th_current_place
); }
4784 "place = %d)\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_place: binding T#%d to place %d (current "
"place = %d)\n", gtid, th->th.th_new_place, th->th.th_current_place
); }
4785 gtid, th->th.th_new_place, th->th.th_current_place))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_place: binding T#%d to place %d (current "
"place = %d)\n", gtid, th->th.th_new_place, th->th.th_current_place
); }
;
4786
4787 // Check that the new place is within this thread's partition.
4788 KMP_DEBUG_ASSERT(th->th.th_affin_mask != NULL)((th->th.th_affin_mask != __null) ? 0 : __kmp_debug_assert
("th->th.th_affin_mask != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4788))
;
4789 KMP_ASSERT(th->th.th_new_place >= 0)((th->th.th_new_place >= 0) ? 0 : __kmp_debug_assert("th->th.th_new_place >= 0"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4789))
;
4790 KMP_ASSERT((unsigned)th->th.th_new_place <= __kmp_affinity_num_masks)(((unsigned)th->th.th_new_place <= __kmp_affinity_num_masks
) ? 0 : __kmp_debug_assert("(unsigned)th->th.th_new_place <= __kmp_affinity_num_masks"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4790))
;
4791 if (th->th.th_first_place <= th->th.th_last_place) {
4792 KMP_ASSERT((th->th.th_new_place >= th->th.th_first_place) &&(((th->th.th_new_place >= th->th.th_first_place) &&
(th->th.th_new_place <= th->th.th_last_place)) ? 0 :
__kmp_debug_assert("(th->th.th_new_place >= th->th.th_first_place) && (th->th.th_new_place <= th->th.th_last_place)"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4793))
4793 (th->th.th_new_place <= th->th.th_last_place))(((th->th.th_new_place >= th->th.th_first_place) &&
(th->th.th_new_place <= th->th.th_last_place)) ? 0 :
__kmp_debug_assert("(th->th.th_new_place >= th->th.th_first_place) && (th->th.th_new_place <= th->th.th_last_place)"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4793))
;
4794 } else {
4795 KMP_ASSERT((th->th.th_new_place <= th->th.th_first_place) ||(((th->th.th_new_place <= th->th.th_first_place) || (
th->th.th_new_place >= th->th.th_last_place)) ? 0 : __kmp_debug_assert
("(th->th.th_new_place <= th->th.th_first_place) || (th->th.th_new_place >= th->th.th_last_place)"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4796))
4796 (th->th.th_new_place >= th->th.th_last_place))(((th->th.th_new_place <= th->th.th_first_place) || (
th->th.th_new_place >= th->th.th_last_place)) ? 0 : __kmp_debug_assert
("(th->th.th_new_place <= th->th.th_first_place) || (th->th.th_new_place >= th->th.th_last_place)"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4796))
;
4797 }
4798
4799 // Copy the thread mask to the kmp_info_t strucuture,
4800 // and set this thread's affinity.
4801 kmp_affin_mask_t *mask =
4802 KMP_CPU_INDEX(__kmp_affinity_masks, th->th.th_new_place)__kmp_affinity_dispatch->index_mask_array(__kmp_affinity_masks
, th->th.th_new_place)
;
4803 KMP_CPU_COPY(th->th.th_affin_mask, mask)(th->th.th_affin_mask)->copy(mask);
4804 th->th.th_current_place = th->th.th_new_place;
4805
4806 if (__kmp_affinity_verbose) {
4807 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
4808 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024,
4809 th->th.th_affin_mask);
4810 KMP_INFORM(BoundToOSProcSet, "OMP_PROC_BIND", (kmp_int32)getpid(),__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet
, "OMP_PROC_BIND", (kmp_int32)getpid(), syscall(186), gtid, buf
), __kmp_msg_null)
4811 __kmp_gettid(), gtid, buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet
, "OMP_PROC_BIND", (kmp_int32)getpid(), syscall(186), gtid, buf
), __kmp_msg_null)
;
4812 }
4813 __kmp_set_system_affinity(th->th.th_affin_mask, TRUE)(th->th.th_affin_mask)->set_system_affinity((!0));
4814}
4815
4816#endif /* OMP_40_ENABLED */
4817
4818int __kmp_aux_set_affinity(void **mask) {
4819 int gtid;
4820 kmp_info_t *th;
4821 int retval;
4822
4823 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
4824 return -1;
4825 }
4826
4827 gtid = __kmp_entry_gtid()__kmp_get_global_thread_id_reg();
4828 KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4829 char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4830 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4831 (kmp_affin_mask_t *)(*mask));if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4832 __kmp_debug_printf(if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4833 "kmp_set_affinity: setting affinity mask for thread %d = %s\n", gtid,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4834 buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4835 })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n"
, gtid, buf); }; }
;
4836
4837 if (__kmp_env_consistency_check) {
4838 if ((mask == NULL__null) || (*mask == NULL__null)) {
4839 KMP_FATAL(AffinityInvalidMask, "kmp_set_affinity")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask
, "kmp_set_affinity"), __kmp_msg_null)
;
4840 } else {
4841 unsigned proc;
4842 int num_procs = 0;
4843
4844 KMP_CPU_SET_ITERATE(proc, ((kmp_affin_mask_t *)(*mask)))for (proc = (((kmp_affin_mask_t *)(*mask)))->begin(); proc
!= (((kmp_affin_mask_t *)(*mask)))->end(); proc = (((kmp_affin_mask_t
*)(*mask)))->next(proc))
{
4845 if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(proc)) {
4846 KMP_FATAL(AffinityInvalidMask, "kmp_set_affinity")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask
, "kmp_set_affinity"), __kmp_msg_null)
;
4847 }
4848 if (!KMP_CPU_ISSET(proc, (kmp_affin_mask_t *)(*mask))((kmp_affin_mask_t *)(*mask))->is_set(proc)) {
4849 continue;
4850 }
4851 num_procs++;
4852 }
4853 if (num_procs == 0) {
4854 KMP_FATAL(AffinityInvalidMask, "kmp_set_affinity")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask
, "kmp_set_affinity"), __kmp_msg_null)
;
4855 }
4856
4857#if KMP_GROUP_AFFINITY0
4858 if (__kmp_get_proc_group((kmp_affin_mask_t *)(*mask))((kmp_affin_mask_t *)(*mask))->get_proc_group() < 0) {
4859 KMP_FATAL(AffinityInvalidMask, "kmp_set_affinity")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask
, "kmp_set_affinity"), __kmp_msg_null)
;
4860 }
4861#endif /* KMP_GROUP_AFFINITY */
4862 }
4863 }
4864
4865 th = __kmp_threads[gtid];
4866 KMP_DEBUG_ASSERT(th->th.th_affin_mask != NULL)((th->th.th_affin_mask != __null) ? 0 : __kmp_debug_assert
("th->th.th_affin_mask != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4866))
;
4867 retval = __kmp_set_system_affinity((kmp_affin_mask_t *)(*mask), FALSE)((kmp_affin_mask_t *)(*mask))->set_system_affinity(0);
4868 if (retval == 0) {
4869 KMP_CPU_COPY(th->th.th_affin_mask, (kmp_affin_mask_t *)(*mask))(th->th.th_affin_mask)->copy((kmp_affin_mask_t *)(*mask
))
;
4870 }
4871
4872#if OMP_40_ENABLED(50 >= 40)
4873 th->th.th_current_place = KMP_PLACE_UNDEFINED(-2);
4874 th->th.th_new_place = KMP_PLACE_UNDEFINED(-2);
4875 th->th.th_first_place = 0;
4876 th->th.th_last_place = __kmp_affinity_num_masks - 1;
4877
4878 // Turn off 4.0 affinity for the current tread at this parallel level.
4879 th->th.th_current_task->td_icvs.proc_bind = proc_bind_false;
4880#endif
4881
4882 return retval;
4883}
4884
4885int __kmp_aux_get_affinity(void **mask) {
4886 int gtid;
4887 int retval;
4888 kmp_info_t *th;
4889
4890 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
4891 return -1;
4892 }
4893
4894 gtid = __kmp_entry_gtid()__kmp_get_global_thread_id_reg();
4895 th = __kmp_threads[gtid];
4896 KMP_DEBUG_ASSERT(th->th.th_affin_mask != NULL)((th->th.th_affin_mask != __null) ? 0 : __kmp_debug_assert
("th->th.th_affin_mask != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 4896))
;
4897
4898 KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask
); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4899 char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask
); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4900 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask
); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4901 th->th.th_affin_mask);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask
); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4902 __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask
); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4903 gtid, buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask
); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4904 })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask
); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n"
, gtid, buf); }; }
;
4905
4906 if (__kmp_env_consistency_check) {
4907 if ((mask == NULL__null) || (*mask == NULL__null)) {
4908 KMP_FATAL(AffinityInvalidMask, "kmp_get_affinity")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask
, "kmp_get_affinity"), __kmp_msg_null)
;
4909 }
4910 }
4911
4912#if !KMP_OS_WINDOWS0
4913
4914 retval = __kmp_get_system_affinity((kmp_affin_mask_t *)(*mask), FALSE)((kmp_affin_mask_t *)(*mask))->get_system_affinity(0);
4915 KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4916 char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4917 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4918 (kmp_affin_mask_t *)(*mask));if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4919 __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4920 gtid, buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n"
, gtid, buf); }; }
4921 })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf
[1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t
*)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n"
, gtid, buf); }; }
;
4922 return retval;
4923
4924#else
4925
4926 KMP_CPU_COPY((kmp_affin_mask_t *)(*mask), th->th.th_affin_mask)((kmp_affin_mask_t *)(*mask))->copy(th->th.th_affin_mask
)
;
4927 return 0;
4928
4929#endif /* KMP_OS_WINDOWS */
4930}
4931
4932int __kmp_aux_get_affinity_max_proc() {
4933 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
4934 return 0;
4935 }
4936#if KMP_GROUP_AFFINITY0
4937 if (__kmp_num_proc_groups > 1) {
4938 return (int)(__kmp_num_proc_groups * sizeof(DWORD_PTR) * CHAR_BIT8);
4939 }
4940#endif
4941 return __kmp_xproc;
4942}
4943
4944int __kmp_aux_set_affinity_mask_proc(int proc, void **mask) {
4945 int retval;
4946
4947 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
4948 return -1;
4949 }
4950
4951 KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4952 int gtid = __kmp_entry_gtid();if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4953 char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4954 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4955 (kmp_affin_mask_t *)(*mask));if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4956 __kmp_debug_printf("kmp_set_affinity_mask_proc: setting proc %d in "if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4957 "affinity mask for thread %d = %s\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4958 proc, gtid, buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4959 })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
;
4960
4961 if (__kmp_env_consistency_check) {
4962 if ((mask == NULL__null) || (*mask == NULL__null)) {
4963 KMP_FATAL(AffinityInvalidMask, "kmp_set_affinity_mask_proc")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask
, "kmp_set_affinity_mask_proc"), __kmp_msg_null)
;
4964 }
4965 }
4966
4967 if ((proc < 0) || (proc >= __kmp_aux_get_affinity_max_proc())) {
4968 return -1;
4969 }
4970 if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(proc)) {
4971 return -2;
4972 }
4973
4974 KMP_CPU_SET(proc, (kmp_affin_mask_t *)(*mask))((kmp_affin_mask_t *)(*mask))->set(proc);
4975 return 0;
4976}
4977
4978int __kmp_aux_unset_affinity_mask_proc(int proc, void **mask) {
4979 int retval;
4980
4981 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
4982 return -1;
4983 }
4984
4985 KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4986 int gtid = __kmp_entry_gtid();if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4987 char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4988 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4989 (kmp_affin_mask_t *)(*mask));if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4990 __kmp_debug_printf("kmp_unset_affinity_mask_proc: unsetting proc %d in "if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4991 "affinity mask for thread %d = %s\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4992 proc, gtid, buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
4993 })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
;
4994
4995 if (__kmp_env_consistency_check) {
4996 if ((mask == NULL__null) || (*mask == NULL__null)) {
4997 KMP_FATAL(AffinityInvalidMask, "kmp_unset_affinity_mask_proc")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask
, "kmp_unset_affinity_mask_proc"), __kmp_msg_null)
;
4998 }
4999 }
5000
5001 if ((proc < 0) || (proc >= __kmp_aux_get_affinity_max_proc())) {
5002 return -1;
5003 }
5004 if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(proc)) {
5005 return -2;
5006 }
5007
5008 KMP_CPU_CLR(proc, (kmp_affin_mask_t *)(*mask))((kmp_affin_mask_t *)(*mask))->clear(proc);
5009 return 0;
5010}
5011
5012int __kmp_aux_get_affinity_mask_proc(int proc, void **mask) {
5013 int retval;
5014
5015 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) {
5016 return -1;
5017 }
5018
5019 KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
5020 int gtid = __kmp_entry_gtid();if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
5021 char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
5022 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
5023 (kmp_affin_mask_t *)(*mask));if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
5024 __kmp_debug_printf("kmp_get_affinity_mask_proc: getting proc %d in "if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
5025 "affinity mask for thread %d = %s\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
5026 proc, gtid, buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
5027 })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid
= __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask
(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf(
"kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n"
, proc, gtid, buf); }; }
;
5028
5029 if (__kmp_env_consistency_check) {
5030 if ((mask == NULL__null) || (*mask == NULL__null)) {
5031 KMP_FATAL(AffinityInvalidMask, "kmp_get_affinity_mask_proc")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask
, "kmp_get_affinity_mask_proc"), __kmp_msg_null)
;
5032 }
5033 }
5034
5035 if ((proc < 0) || (proc >= __kmp_aux_get_affinity_max_proc())) {
5036 return -1;
5037 }
5038 if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(proc)) {
5039 return 0;
5040 }
5041
5042 return KMP_CPU_ISSET(proc, (kmp_affin_mask_t *)(*mask))((kmp_affin_mask_t *)(*mask))->is_set(proc);
5043}
5044
5045// Dynamic affinity settings - Affinity balanced
5046void __kmp_balanced_affinity(int tid, int nthreads) {
5047 bool fine_gran = true;
5048
5049 switch (__kmp_affinity_gran) {
1
Control jumps to 'case affinity_gran_thread:' at line 5051
5050 case affinity_gran_fine:
5051 case affinity_gran_thread:
5052 break;
2
Execution continues on line 5067
5053 case affinity_gran_core:
5054 if (__kmp_nThreadsPerCore > 1) {
5055 fine_gran = false;
5056 }
5057 break;
5058 case affinity_gran_package:
5059 if (nCoresPerPkg > 1) {
5060 fine_gran = false;
5061 }
5062 break;
5063 default:
5064 fine_gran = false;
5065 }
5066
5067 if (__kmp_affinity_uniform_topology()) {
3
Taking false branch
5068 int coreID;
5069 int threadID;
5070 // Number of hyper threads per core in HT machine
5071 int __kmp_nth_per_core = __kmp_avail_proc / __kmp_ncores;
5072 // Number of cores
5073 int ncores = __kmp_ncores;
5074 if ((nPackages > 1) && (__kmp_nth_per_core <= 1)) {
5075 __kmp_nth_per_core = __kmp_avail_proc / nPackages;
5076 ncores = nPackages;
5077 }
5078 // How many threads will be bound to each core
5079 int chunk = nthreads / ncores;
5080 // How many cores will have an additional thread bound to it - "big cores"
5081 int big_cores = nthreads % ncores;
5082 // Number of threads on the big cores
5083 int big_nth = (chunk + 1) * big_cores;
5084 if (tid < big_nth) {
5085 coreID = tid / (chunk + 1);
5086 threadID = (tid % (chunk + 1)) % __kmp_nth_per_core;
5087 } else { // tid >= big_nth
5088 coreID = (tid - big_cores) / chunk;
5089 threadID = ((tid - big_cores) % chunk) % __kmp_nth_per_core;
5090 }
5091
5092 KMP_DEBUG_ASSERT2(KMP_AFFINITY_CAPABLE(),(((__kmp_affin_mask_size > 0)) ? 0 : __kmp_debug_assert(("Illegal set affinity operation when not capable"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 5093))
5093 "Illegal set affinity operation when not capable")(((__kmp_affin_mask_size > 0)) ? 0 : __kmp_debug_assert(("Illegal set affinity operation when not capable"
), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 5093))
;
5094
5095 kmp_affin_mask_t *mask;
5096 KMP_CPU_ALLOC_ON_STACK(mask)(mask = __kmp_affinity_dispatch->allocate_mask());
5097 KMP_CPU_ZERO(mask)(mask)->zero();
5098
5099 if (fine_gran) {
5100 int osID = address2os[coreID * __kmp_nth_per_core + threadID].second;
5101 KMP_CPU_SET(osID, mask)(mask)->set(osID);
5102 } else {
5103 for (int i = 0; i < __kmp_nth_per_core; i++) {
5104 int osID;
5105 osID = address2os[coreID * __kmp_nth_per_core + i].second;
5106 KMP_CPU_SET(osID, mask)(mask)->set(osID);
5107 }
5108 }
5109 if (__kmp_affinity_verbose) {
5110 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
5111 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, mask);
5112 KMP_INFORM(BoundToOSProcSet, "KMP_AFFINITY", (kmp_int32)getpid(),__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet
, "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), tid, buf
), __kmp_msg_null)
5113 __kmp_gettid(), tid, buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet
, "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), tid, buf
), __kmp_msg_null)
;
5114 }
5115 __kmp_set_system_affinity(mask, TRUE)(mask)->set_system_affinity((!0));
5116 KMP_CPU_FREE_FROM_STACK(mask)__kmp_affinity_dispatch->deallocate_mask(mask);
5117 } else { // Non-uniform topology
5118
5119 kmp_affin_mask_t *mask;
5120 KMP_CPU_ALLOC_ON_STACK(mask)(mask = __kmp_affinity_dispatch->allocate_mask());
5121 KMP_CPU_ZERO(mask)(mask)->zero();
5122
5123 int core_level = __kmp_affinity_find_core_level(
5124 address2os, __kmp_avail_proc, __kmp_aff_depth - 1);
5125 int ncores = __kmp_affinity_compute_ncores(address2os, __kmp_avail_proc,
5126 __kmp_aff_depth - 1, core_level);
5127 int nth_per_core = __kmp_affinity_max_proc_per_core(
5128 address2os, __kmp_avail_proc, __kmp_aff_depth - 1, core_level);
5129
5130 // For performance gain consider the special case nthreads ==
5131 // __kmp_avail_proc
5132 if (nthreads == __kmp_avail_proc) {
4
Assuming 'nthreads' is not equal to '__kmp_avail_proc'
5
Taking false branch
5133 if (fine_gran) {
5134 int osID = address2os[tid].second;
5135 KMP_CPU_SET(osID, mask)(mask)->set(osID);
5136 } else {
5137 int core = __kmp_affinity_find_core(address2os, tid,
5138 __kmp_aff_depth - 1, core_level);
5139 for (int i = 0; i < __kmp_avail_proc; i++) {
5140 int osID = address2os[i].second;
5141 if (__kmp_affinity_find_core(address2os, i, __kmp_aff_depth - 1,
5142 core_level) == core) {
5143 KMP_CPU_SET(osID, mask)(mask)->set(osID);
5144 }
5145 }
5146 }
5147 } else if (nthreads <= ncores) {
6
Assuming 'nthreads' is > 'ncores'
7
Taking false branch
5148
5149 int core = 0;
5150 for (int i = 0; i < ncores; i++) {
5151 // Check if this core from procarr[] is in the mask
5152 int in_mask = 0;
5153 for (int j = 0; j < nth_per_core; j++) {
5154 if (procarr[i * nth_per_core + j] != -1) {
5155 in_mask = 1;
5156 break;
5157 }
5158 }
5159 if (in_mask) {
5160 if (tid == core) {
5161 for (int j = 0; j < nth_per_core; j++) {
5162 int osID = procarr[i * nth_per_core + j];
5163 if (osID != -1) {
5164 KMP_CPU_SET(osID, mask)(mask)->set(osID);
5165 // For fine granularity it is enough to set the first available
5166 // osID for this core
5167 if (fine_gran) {
5168 break;
5169 }
5170 }
5171 }
5172 break;
5173 } else {
5174 core++;
5175 }
5176 }
5177 }
5178 } else { // nthreads > ncores
5179 // Array to save the number of processors at each core
5180 int *nproc_at_core = (int *)KMP_ALLOCA(sizeof(int) * ncores)__builtin_alloca (sizeof(int) * ncores);
5181 // Array to save the number of cores with "x" available processors;
5182 int *ncores_with_x_procs =
5183 (int *)KMP_ALLOCA(sizeof(int) * (nth_per_core + 1))__builtin_alloca (sizeof(int) * (nth_per_core + 1));
5184 // Array to save the number of cores with # procs from x to nth_per_core
5185 int *ncores_with_x_to_max_procs =
5186 (int *)KMP_ALLOCA(sizeof(int) * (nth_per_core + 1))__builtin_alloca (sizeof(int) * (nth_per_core + 1));
5187
5188 for (int i = 0; i <= nth_per_core; i++) {
8
Assuming 'i' is > 'nth_per_core'
9
Loop condition is false. Execution continues on line 5193
5189 ncores_with_x_procs[i] = 0;
5190 ncores_with_x_to_max_procs[i] = 0;
5191 }
5192
5193 for (int i = 0; i < ncores; i++) {
10
Assuming 'i' is < 'ncores'
11
Loop condition is true. Entering loop body
5194 int cnt = 0;
5195 for (int j = 0; j < nth_per_core; j++) {
12
Loop condition is false. Execution continues on line 5200
5196 if (procarr[i * nth_per_core + j] != -1) {
5197 cnt++;
5198 }
5199 }
5200 nproc_at_core[i] = cnt;
5201 ncores_with_x_procs[cnt]++;
13
The expression is an uninitialized value. The computed value will also be garbage
5202 }
5203
5204 for (int i = 0; i <= nth_per_core; i++) {
5205 for (int j = i; j <= nth_per_core; j++) {
5206 ncores_with_x_to_max_procs[i] += ncores_with_x_procs[j];
5207 }
5208 }
5209
5210 // Max number of processors
5211 int nproc = nth_per_core * ncores;
5212 // An array to keep number of threads per each context
5213 int *newarr = (int *)__kmp_allocate(sizeof(int) * nproc)___kmp_allocate((sizeof(int) * nproc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 5213)
;
5214 for (int i = 0; i < nproc; i++) {
5215 newarr[i] = 0;
5216 }
5217
5218 int nth = nthreads;
5219 int flag = 0;
5220 while (nth > 0) {
5221 for (int j = 1; j <= nth_per_core; j++) {
5222 int cnt = ncores_with_x_to_max_procs[j];
5223 for (int i = 0; i < ncores; i++) {
5224 // Skip the core with 0 processors
5225 if (nproc_at_core[i] == 0) {
5226 continue;
5227 }
5228 for (int k = 0; k < nth_per_core; k++) {
5229 if (procarr[i * nth_per_core + k] != -1) {
5230 if (newarr[i * nth_per_core + k] == 0) {
5231 newarr[i * nth_per_core + k] = 1;
5232 cnt--;
5233 nth--;
5234 break;
5235 } else {
5236 if (flag != 0) {
5237 newarr[i * nth_per_core + k]++;
5238 cnt--;
5239 nth--;
5240 break;
5241 }
5242 }
5243 }
5244 }
5245 if (cnt == 0 || nth == 0) {
5246 break;
5247 }
5248 }
5249 if (nth == 0) {
5250 break;
5251 }
5252 }
5253 flag = 1;
5254 }
5255 int sum = 0;
5256 for (int i = 0; i < nproc; i++) {
5257 sum += newarr[i];
5258 if (sum > tid) {
5259 if (fine_gran) {
5260 int osID = procarr[i];
5261 KMP_CPU_SET(osID, mask)(mask)->set(osID);
5262 } else {
5263 int coreID = i / nth_per_core;
5264 for (int ii = 0; ii < nth_per_core; ii++) {
5265 int osID = procarr[coreID * nth_per_core + ii];
5266 if (osID != -1) {
5267 KMP_CPU_SET(osID, mask)(mask)->set(osID);
5268 }
5269 }
5270 }
5271 break;
5272 }
5273 }
5274 __kmp_free(newarr)___kmp_free((newarr), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 5274)
;
5275 }
5276
5277 if (__kmp_affinity_verbose) {
5278 char buf[KMP_AFFIN_MASK_PRINT_LEN1024];
5279 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, mask);
5280 KMP_INFORM(BoundToOSProcSet, "KMP_AFFINITY", (kmp_int32)getpid(),__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet
, "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), tid, buf
), __kmp_msg_null)
5281 __kmp_gettid(), tid, buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet
, "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), tid, buf
), __kmp_msg_null)
;
5282 }
5283 __kmp_set_system_affinity(mask, TRUE)(mask)->set_system_affinity((!0));
5284 KMP_CPU_FREE_FROM_STACK(mask)__kmp_affinity_dispatch->deallocate_mask(mask);
5285 }
5286}
5287
5288#if KMP_OS_LINUX1
5289// We don't need this entry for Windows because
5290// there is GetProcessAffinityMask() api
5291//
5292// The intended usage is indicated by these steps:
5293// 1) The user gets the current affinity mask
5294// 2) Then sets the affinity by calling this function
5295// 3) Error check the return value
5296// 4) Use non-OpenMP parallelization
5297// 5) Reset the affinity to what was stored in step 1)
5298#ifdef __cplusplus201103L
5299extern "C"
5300#endif
5301 int
5302 kmp_set_thread_affinity_mask_initial()
5303// the function returns 0 on success,
5304// -1 if we cannot bind thread
5305// >0 (errno) if an error happened during binding
5306{
5307 int gtid = __kmp_get_gtid()__kmp_get_global_thread_id();
5308 if (gtid < 0) {
5309 // Do not touch non-omp threads
5310 KA_TRACE(30, ("kmp_set_thread_affinity_mask_initial: "if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: "
"non-omp thread, returning\n"); }
5311 "non-omp thread, returning\n"))if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: "
"non-omp thread, returning\n"); }
;
5312 return -1;
5313 }
5314 if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0) || !__kmp_init_middle) {
5315 KA_TRACE(30, ("kmp_set_thread_affinity_mask_initial: "if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: "
"affinity not initialized, returning\n"); }
5316 "affinity not initialized, returning\n"))if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: "
"affinity not initialized, returning\n"); }
;
5317 return -1;
5318 }
5319 KA_TRACE(30, ("kmp_set_thread_affinity_mask_initial: "if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: "
"set full mask for thread %d\n", gtid); }
5320 "set full mask for thread %d\n",if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: "
"set full mask for thread %d\n", gtid); }
5321 gtid))if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: "
"set full mask for thread %d\n", gtid); }
;
5322 KMP_DEBUG_ASSERT(__kmp_affin_fullMask != NULL)((__kmp_affin_fullMask != __null) ? 0 : __kmp_debug_assert("__kmp_affin_fullMask != __null"
, "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp"
, 5322))
;
5323 return __kmp_set_system_affinity(__kmp_affin_fullMask, FALSE)(__kmp_affin_fullMask)->set_system_affinity(0);
5324}
5325#endif
5326
5327#endif // KMP_AFFINITY_SUPPORTED