17#include "kmp_wait_release.h"
18#include "kmp_taskdeps.h"
20#include "ompt-specific.h"
32#ifdef KMP_SUPPORT_GRAPH_OUTPUT
33static std::atomic<kmp_int32> kmp_node_id_seed = ATOMIC_VAR_INIT(0);
36static void __kmp_init_node(kmp_depnode_t *node) {
37 node->dn.successors = NULL;
40 for (
int i = 0; i < MAX_MTX_DEPS; ++i)
41 node->dn.mtx_locks[i] = NULL;
42 node->dn.mtx_num_locks = 0;
43 __kmp_init_lock(&node->dn.lock);
44 KMP_ATOMIC_ST_RLX(&node->dn.nrefs, 1);
45#ifdef KMP_SUPPORT_GRAPH_OUTPUT
46 node->dn.id = KMP_ATOMIC_INC(&kmp_node_id_seed);
50static inline kmp_depnode_t *__kmp_node_ref(kmp_depnode_t *node) {
51 KMP_ATOMIC_INC(&node->dn.nrefs);
55enum { KMP_DEPHASH_OTHER_SIZE = 97, KMP_DEPHASH_MASTER_SIZE = 997 };
57size_t sizes[] = {997, 2003, 4001, 8191, 16001, 32003, 64007, 131071, 270029};
58const size_t MAX_GEN = 8;
60static inline size_t __kmp_dephash_hash(kmp_intptr_t addr,
size_t hsize) {
63 return ((addr >> 6) ^ (addr >> 2)) % hsize;
66static kmp_dephash_t *__kmp_dephash_extend(kmp_info_t *thread,
67 kmp_dephash_t *current_dephash) {
70 size_t gen = current_dephash->generation + 1;
72 return current_dephash;
73 size_t new_size = sizes[gen];
75 size_t size_to_allocate =
76 new_size *
sizeof(kmp_dephash_entry_t *) +
sizeof(kmp_dephash_t);
79 h = (kmp_dephash_t *)__kmp_fast_allocate(thread, size_to_allocate);
81 h = (kmp_dephash_t *)__kmp_thread_malloc(thread, size_to_allocate);
85 h->nelements = current_dephash->nelements;
86 h->buckets = (kmp_dephash_entry **)(h + 1);
89 h->last_all = current_dephash->last_all;
92 for (
size_t i = 0; i < new_size; i++) {
97 for (
size_t i = 0; i < current_dephash->size; i++) {
98 kmp_dephash_entry_t *next, *entry;
99 for (entry = current_dephash->buckets[i]; entry; entry = next) {
100 next = entry->next_in_bucket;
103 size_t new_bucket = __kmp_dephash_hash(entry->addr, h->size);
104 entry->next_in_bucket = h->buckets[new_bucket];
105 if (entry->next_in_bucket) {
108 h->buckets[new_bucket] = entry;
114 __kmp_fast_free(thread, current_dephash);
116 __kmp_thread_free(thread, current_dephash);
122static kmp_dephash_t *__kmp_dephash_create(kmp_info_t *thread,
123 kmp_taskdata_t *current_task) {
128 if (current_task->td_flags.tasktype == TASK_IMPLICIT)
129 h_size = KMP_DEPHASH_MASTER_SIZE;
131 h_size = KMP_DEPHASH_OTHER_SIZE;
133 size_t size = h_size *
sizeof(kmp_dephash_entry_t *) +
sizeof(kmp_dephash_t);
136 h = (kmp_dephash_t *)__kmp_fast_allocate(thread, size);
138 h = (kmp_dephash_t *)__kmp_thread_malloc(thread, size);
145 h->buckets = (kmp_dephash_entry **)(h + 1);
148 for (
size_t i = 0; i < h_size; i++)
154static kmp_dephash_entry *__kmp_dephash_find(kmp_info_t *thread,
155 kmp_dephash_t **hash,
157 kmp_dephash_t *h = *hash;
158 if (h->nelements != 0 && h->nconflicts / h->size >= 1) {
159 *hash = __kmp_dephash_extend(thread, h);
162 size_t bucket = __kmp_dephash_hash(addr, h->size);
164 kmp_dephash_entry_t *entry;
165 for (entry = h->buckets[bucket]; entry; entry = entry->next_in_bucket)
166 if (entry->addr == addr)
172 entry = (kmp_dephash_entry_t *)__kmp_fast_allocate(
173 thread,
sizeof(kmp_dephash_entry_t));
175 entry = (kmp_dephash_entry_t *)__kmp_thread_malloc(
176 thread,
sizeof(kmp_dephash_entry_t));
180 entry->last_out = NULL;
182 entry->last_out = __kmp_node_ref(h->last_all);
183 entry->last_set = NULL;
184 entry->prev_set = NULL;
185 entry->last_flag = 0;
186 entry->mtx_lock = NULL;
187 entry->next_in_bucket = h->buckets[bucket];
188 h->buckets[bucket] = entry;
190 if (entry->next_in_bucket)
196static kmp_depnode_list_t *__kmp_add_node(kmp_info_t *thread,
197 kmp_depnode_list_t *list,
198 kmp_depnode_t *node) {
199 kmp_depnode_list_t *new_head;
202 new_head = (kmp_depnode_list_t *)__kmp_fast_allocate(
203 thread,
sizeof(kmp_depnode_list_t));
205 new_head = (kmp_depnode_list_t *)__kmp_thread_malloc(
206 thread,
sizeof(kmp_depnode_list_t));
209 new_head->node = __kmp_node_ref(node);
210 new_head->next = list;
215static inline void __kmp_track_dependence(kmp_int32 gtid, kmp_depnode_t *source,
217 kmp_task_t *sink_task) {
218#ifdef KMP_SUPPORT_GRAPH_OUTPUT
219 kmp_taskdata_t *task_source = KMP_TASK_TO_TASKDATA(source->dn.task);
222 kmp_taskdata_t *task_sink = KMP_TASK_TO_TASKDATA(sink_task);
224 __kmp_printf(
"%d(%s) -> %d(%s)\n", source->dn.id,
225 task_source->td_ident->psource, sink->dn.id,
226 task_sink->td_ident->psource);
228#if OMPT_SUPPORT && OMPT_OPTIONAL
232 if (ompt_enabled.ompt_callback_task_dependence) {
233 kmp_taskdata_t *task_source = KMP_TASK_TO_TASKDATA(source->dn.task);
234 ompt_data_t *sink_data;
236 sink_data = &(KMP_TASK_TO_TASKDATA(sink_task)->ompt_task_info.task_data);
238 sink_data = &__kmp_threads[gtid]->th.ompt_thread_info.task_data;
240 ompt_callbacks.ompt_callback(ompt_callback_task_dependence)(
241 &(task_source->ompt_task_info.task_data), sink_data);
246static inline kmp_int32
247__kmp_depnode_link_successor(kmp_int32 gtid, kmp_info_t *thread,
248 kmp_task_t *task, kmp_depnode_t *node,
249 kmp_depnode_list_t *plist) {
252 kmp_int32 npredecessors = 0;
254 for (kmp_depnode_list_t *p = plist; p; p = p->next) {
255 kmp_depnode_t *dep = p->node;
257 KMP_ACQUIRE_DEPNODE(gtid, dep);
259 __kmp_track_dependence(gtid, dep, node, task);
260 dep->dn.successors = __kmp_add_node(thread, dep->dn.successors, node);
261 KA_TRACE(40, (
"__kmp_process_deps: T#%d adding dependence from %p to "
263 gtid, KMP_TASK_TO_TASKDATA(dep->dn.task),
264 KMP_TASK_TO_TASKDATA(task)));
267 KMP_RELEASE_DEPNODE(gtid, dep);
270 return npredecessors;
273static inline kmp_int32 __kmp_depnode_link_successor(kmp_int32 gtid,
276 kmp_depnode_t *source,
277 kmp_depnode_t *sink) {
280 kmp_int32 npredecessors = 0;
283 KMP_ACQUIRE_DEPNODE(gtid, sink);
285 __kmp_track_dependence(gtid, sink, source, task);
286 sink->dn.successors = __kmp_add_node(thread, sink->dn.successors, source);
287 KA_TRACE(40, (
"__kmp_process_deps: T#%d adding dependence from %p to "
289 gtid, KMP_TASK_TO_TASKDATA(sink->dn.task),
290 KMP_TASK_TO_TASKDATA(task)));
293 KMP_RELEASE_DEPNODE(gtid, sink);
295 return npredecessors;
298static inline kmp_int32
299__kmp_process_dep_all(kmp_int32 gtid, kmp_depnode_t *node, kmp_dephash_t *h,
300 bool dep_barrier, kmp_task_t *task) {
301 KA_TRACE(30, (
"__kmp_process_dep_all: T#%d processing dep_all, "
302 "dep_barrier = %d\n",
304 kmp_info_t *thread = __kmp_threads[gtid];
305 kmp_int32 npredecessors = 0;
309 __kmp_depnode_link_successor(gtid, thread, task, node, h->last_all);
310 __kmp_node_deref(thread, h->last_all);
312 h->last_all = __kmp_node_ref(node);
321 for (
size_t i = 0; i < h->size; i++) {
322 kmp_dephash_entry_t *info = h->buckets[i];
325 for (; info; info = info->next_in_bucket) {
327 kmp_depnode_t *last_out = info->last_out;
328 kmp_depnode_list_t *last_set = info->last_set;
329 kmp_depnode_list_t *prev_set = info->prev_set;
332 __kmp_depnode_link_successor(gtid, thread, task, node, last_set);
333 __kmp_depnode_list_free(thread, last_set);
334 __kmp_depnode_list_free(thread, prev_set);
335 info->last_set = NULL;
336 info->prev_set = NULL;
340 __kmp_depnode_link_successor(gtid, thread, task, node, last_out);
342 __kmp_node_deref(thread, last_out);
344 info->last_out = __kmp_node_ref(node);
346 info->last_out = NULL;
350 KA_TRACE(30, (
"__kmp_process_dep_all: T#%d found %d predecessors\n", gtid,
352 return npredecessors;
355template <
bool filter>
356static inline kmp_int32
357__kmp_process_deps(kmp_int32 gtid, kmp_depnode_t *node, kmp_dephash_t **hash,
358 bool dep_barrier, kmp_int32 ndeps,
359 kmp_depend_info_t *dep_list, kmp_task_t *task) {
360 KA_TRACE(30, (
"__kmp_process_deps<%d>: T#%d processing %d dependences : "
361 "dep_barrier = %d\n",
362 filter, gtid, ndeps, dep_barrier));
364 kmp_info_t *thread = __kmp_threads[gtid];
365 kmp_int32 npredecessors = 0;
366 for (kmp_int32 i = 0; i < ndeps; i++) {
367 const kmp_depend_info_t *dep = &dep_list[i];
369 if (filter && dep->base_addr == 0)
372 kmp_dephash_entry_t *info =
373 __kmp_dephash_find(thread, hash, dep->base_addr);
374 kmp_depnode_t *last_out = info->last_out;
375 kmp_depnode_list_t *last_set = info->last_set;
376 kmp_depnode_list_t *prev_set = info->prev_set;
378 if (dep->flags.out) {
381 __kmp_depnode_link_successor(gtid, thread, task, node, last_set);
382 __kmp_depnode_list_free(thread, last_set);
383 __kmp_depnode_list_free(thread, prev_set);
384 info->last_set = NULL;
385 info->prev_set = NULL;
389 __kmp_depnode_link_successor(gtid, thread, task, node, last_out);
391 __kmp_node_deref(thread, last_out);
393 info->last_out = __kmp_node_ref(node);
398 info->last_out = NULL;
401 if (info->last_flag == 0 || info->last_flag == dep->flag) {
405 __kmp_depnode_link_successor(gtid, thread, task, node, last_out);
408 __kmp_depnode_link_successor(gtid, thread, task, node, prev_set);
411 __kmp_node_deref(thread, last_out);
412 info->last_out = NULL;
413 __kmp_depnode_list_free(thread, prev_set);
414 info->prev_set = NULL;
419 __kmp_depnode_link_successor(gtid, thread, task, node, last_set);
421 __kmp_node_deref(thread, last_out);
422 info->last_out = NULL;
424 __kmp_depnode_list_free(thread, prev_set);
427 info->prev_set = last_set;
429 info->prev_set = NULL;
432 info->last_set = NULL;
437 info->last_flag = dep->flag;
438 info->last_set = __kmp_add_node(thread, info->last_set, node);
441 if (dep->flag == KMP_DEP_MTX) {
442 if (info->mtx_lock == NULL) {
443 info->mtx_lock = (kmp_lock_t *)__kmp_allocate(
sizeof(kmp_lock_t));
444 __kmp_init_lock(info->mtx_lock);
446 KMP_DEBUG_ASSERT(node->dn.mtx_num_locks < MAX_MTX_DEPS);
449 for (m = 0; m < MAX_MTX_DEPS; ++m) {
451 if (node->dn.mtx_locks[m] < info->mtx_lock) {
452 KMP_DEBUG_ASSERT(!node->dn.mtx_locks[node->dn.mtx_num_locks]);
453 for (
int n = node->dn.mtx_num_locks; n > m; --n) {
455 KMP_DEBUG_ASSERT(node->dn.mtx_locks[n - 1] != NULL);
456 node->dn.mtx_locks[n] = node->dn.mtx_locks[n - 1];
458 node->dn.mtx_locks[m] = info->mtx_lock;
462 KMP_DEBUG_ASSERT(m < MAX_MTX_DEPS);
463 node->dn.mtx_num_locks++;
467 KA_TRACE(30, (
"__kmp_process_deps<%d>: T#%d found %d predecessors\n", filter,
468 gtid, npredecessors));
469 return npredecessors;
472#define NO_DEP_BARRIER (false)
473#define DEP_BARRIER (true)
476static bool __kmp_check_deps(kmp_int32 gtid, kmp_depnode_t *node,
477 kmp_task_t *task, kmp_dephash_t **hash,
478 bool dep_barrier, kmp_int32 ndeps,
479 kmp_depend_info_t *dep_list,
480 kmp_int32 ndeps_noalias,
481 kmp_depend_info_t *noalias_dep_list) {
482 int i, n_mtxs = 0, dep_all = 0;
484 kmp_taskdata_t *taskdata = KMP_TASK_TO_TASKDATA(task);
486 KA_TRACE(20, (
"__kmp_check_deps: T#%d checking dependences for task %p : %d "
487 "possibly aliased dependences, %d non-aliased dependences : "
488 "dep_barrier=%d .\n",
489 gtid, taskdata, ndeps, ndeps_noalias, dep_barrier));
493 for (i = 0; i < ndeps; i++) {
494 if (dep_list[i].base_addr != 0 &&
495 dep_list[i].base_addr != (kmp_intptr_t)KMP_SIZE_T_MAX) {
497 dep_list[i].flag == KMP_DEP_IN || dep_list[i].flag == KMP_DEP_OUT ||
498 dep_list[i].flag == KMP_DEP_INOUT ||
499 dep_list[i].flag == KMP_DEP_MTX || dep_list[i].flag == KMP_DEP_SET);
500 for (
int j = i + 1; j < ndeps; j++) {
501 if (dep_list[i].base_addr == dep_list[j].base_addr) {
502 if (dep_list[i].flag != dep_list[j].flag) {
504 dep_list[i].flag = KMP_DEP_OUT;
506 dep_list[j].base_addr = 0;
509 if (dep_list[i].flag == KMP_DEP_MTX) {
511 if (n_mtxs < MAX_MTX_DEPS && task != NULL) {
514 dep_list[i].flag = KMP_DEP_OUT;
517 }
else if (dep_list[i].flag == KMP_DEP_ALL ||
518 dep_list[i].base_addr == (kmp_intptr_t)KMP_SIZE_T_MAX) {
531 node->dn.npredecessors = -1;
538 npredecessors = __kmp_process_deps<true>(gtid, node, hash, dep_barrier,
539 ndeps, dep_list, task);
540 npredecessors += __kmp_process_deps<false>(
541 gtid, node, hash, dep_barrier, ndeps_noalias, noalias_dep_list, task);
543 npredecessors = __kmp_process_dep_all(gtid, node, *hash, dep_barrier, task);
546 node->dn.task = task;
556 node->dn.npredecessors.fetch_add(npredecessors) + npredecessors;
558 KA_TRACE(20, (
"__kmp_check_deps: T#%d found %d predecessors for task %p \n",
559 gtid, npredecessors, taskdata));
563 return npredecessors > 0 ? true :
false;
583 kmp_task_t *new_task, kmp_int32 ndeps,
584 kmp_depend_info_t *dep_list,
585 kmp_int32 ndeps_noalias,
586 kmp_depend_info_t *noalias_dep_list) {
588 kmp_taskdata_t *new_taskdata = KMP_TASK_TO_TASKDATA(new_task);
589 KA_TRACE(10, (
"__kmpc_omp_task_with_deps(enter): T#%d loc=%p task=%p\n", gtid,
590 loc_ref, new_taskdata));
591 __kmp_assert_valid_gtid(gtid);
592 kmp_info_t *thread = __kmp_threads[gtid];
593 kmp_taskdata_t *current_task = thread->th.th_current_task;
596 if (ompt_enabled.enabled) {
597 if (!current_task->ompt_task_info.frame.enter_frame.ptr)
598 current_task->ompt_task_info.frame.enter_frame.ptr =
599 OMPT_GET_FRAME_ADDRESS(0);
600 if (ompt_enabled.ompt_callback_task_create) {
601 ompt_callbacks.ompt_callback(ompt_callback_task_create)(
602 &(current_task->ompt_task_info.task_data),
603 &(current_task->ompt_task_info.frame),
604 &(new_taskdata->ompt_task_info.task_data),
605 ompt_task_explicit | TASK_TYPE_DETAILS_FORMAT(new_taskdata), 1,
606 OMPT_LOAD_OR_GET_RETURN_ADDRESS(gtid));
609 new_taskdata->ompt_task_info.frame.enter_frame.ptr =
610 OMPT_GET_FRAME_ADDRESS(0);
615 if (ndeps + ndeps_noalias > 0 && ompt_enabled.ompt_callback_dependences) {
618 int ompt_ndeps = ndeps + ndeps_noalias;
619 ompt_dependence_t *ompt_deps = (ompt_dependence_t *)KMP_OMPT_DEPS_ALLOC(
620 thread, (ndeps + ndeps_noalias) *
sizeof(ompt_dependence_t));
622 KMP_ASSERT(ompt_deps != NULL);
624 for (i = 0; i < ndeps; i++) {
625 ompt_deps[i].variable.ptr = (
void *)dep_list[i].base_addr;
626 if (dep_list[i].flags.in && dep_list[i].flags.out)
627 ompt_deps[i].dependence_type = ompt_dependence_type_inout;
628 else if (dep_list[i].flags.out)
629 ompt_deps[i].dependence_type = ompt_dependence_type_out;
630 else if (dep_list[i].flags.in)
631 ompt_deps[i].dependence_type = ompt_dependence_type_in;
632 else if (dep_list[i].flags.mtx)
633 ompt_deps[i].dependence_type = ompt_dependence_type_mutexinoutset;
634 else if (dep_list[i].flags.set)
635 ompt_deps[i].dependence_type = ompt_dependence_type_inoutset;
637 for (i = 0; i < ndeps_noalias; i++) {
638 ompt_deps[ndeps + i].variable.ptr = (
void *)noalias_dep_list[i].base_addr;
639 if (noalias_dep_list[i].flags.in && noalias_dep_list[i].flags.out)
640 ompt_deps[ndeps + i].dependence_type = ompt_dependence_type_inout;
641 else if (noalias_dep_list[i].flags.out)
642 ompt_deps[ndeps + i].dependence_type = ompt_dependence_type_out;
643 else if (noalias_dep_list[i].flags.in)
644 ompt_deps[ndeps + i].dependence_type = ompt_dependence_type_in;
645 else if (noalias_dep_list[i].flags.mtx)
646 ompt_deps[ndeps + i].dependence_type =
647 ompt_dependence_type_mutexinoutset;
648 else if (noalias_dep_list[i].flags.set)
649 ompt_deps[ndeps + i].dependence_type = ompt_dependence_type_inoutset;
651 ompt_callbacks.ompt_callback(ompt_callback_dependences)(
652 &(new_taskdata->ompt_task_info.task_data), ompt_deps, ompt_ndeps);
655 KMP_OMPT_DEPS_FREE(thread, ompt_deps);
660 bool serial = current_task->td_flags.team_serial ||
661 current_task->td_flags.tasking_ser ||
662 current_task->td_flags.final;
663 kmp_task_team_t *task_team = thread->th.th_task_team;
665 !(task_team && (task_team->tt.tt_found_proxy_tasks ||
666 task_team->tt.tt_hidden_helper_task_encountered));
668 if (!serial && (ndeps > 0 || ndeps_noalias > 0)) {
670 if (current_task->td_dephash == NULL)
671 current_task->td_dephash = __kmp_dephash_create(thread, current_task);
674 kmp_depnode_t *node =
675 (kmp_depnode_t *)__kmp_fast_allocate(thread,
sizeof(kmp_depnode_t));
677 kmp_depnode_t *node =
678 (kmp_depnode_t *)__kmp_thread_malloc(thread,
sizeof(kmp_depnode_t));
681 __kmp_init_node(node);
682 new_taskdata->td_depnode = node;
684 if (__kmp_check_deps(gtid, node, new_task, ¤t_task->td_dephash,
685 NO_DEP_BARRIER, ndeps, dep_list, ndeps_noalias,
687 KA_TRACE(10, (
"__kmpc_omp_task_with_deps(exit): T#%d task had blocking "
689 "loc=%p task=%p, return: TASK_CURRENT_NOT_QUEUED\n",
690 gtid, loc_ref, new_taskdata));
692 if (ompt_enabled.enabled) {
693 current_task->ompt_task_info.frame.enter_frame = ompt_data_none;
696 return TASK_CURRENT_NOT_QUEUED;
699 KA_TRACE(10, (
"__kmpc_omp_task_with_deps(exit): T#%d ignored dependences "
700 "for task (serialized) loc=%p task=%p\n",
701 gtid, loc_ref, new_taskdata));
704 KA_TRACE(10, (
"__kmpc_omp_task_with_deps(exit): T#%d task had no blocking "
706 "loc=%p task=%p, transferring to __kmp_omp_task\n",
707 gtid, loc_ref, new_taskdata));
709 kmp_int32 ret = __kmp_omp_task(gtid, new_task,
true);
711 if (ompt_enabled.enabled) {
712 current_task->ompt_task_info.frame.enter_frame = ompt_data_none;
719void __ompt_taskwait_dep_finish(kmp_taskdata_t *current_task,
720 ompt_data_t *taskwait_task_data) {
721 if (ompt_enabled.ompt_callback_task_schedule) {
722 ompt_callbacks.ompt_callback(ompt_callback_task_schedule)(
723 taskwait_task_data, ompt_taskwait_complete, NULL);
725 current_task->ompt_task_info.frame.enter_frame.ptr = NULL;
726 *taskwait_task_data = ompt_data_none;
742 kmp_depend_info_t *dep_list, kmp_int32 ndeps_noalias,
743 kmp_depend_info_t *noalias_dep_list) {
744 KA_TRACE(10, (
"__kmpc_omp_wait_deps(enter): T#%d loc=%p\n", gtid, loc_ref));
746 if (ndeps == 0 && ndeps_noalias == 0) {
747 KA_TRACE(10, (
"__kmpc_omp_wait_deps(exit): T#%d has no dependences to "
748 "wait upon : loc=%p\n",
752 __kmp_assert_valid_gtid(gtid);
753 kmp_info_t *thread = __kmp_threads[gtid];
754 kmp_taskdata_t *current_task = thread->th.th_current_task;
762 ompt_data_t *taskwait_task_data = &thread->th.ompt_thread_info.task_data;
763 KMP_ASSERT(taskwait_task_data->ptr == NULL);
764 if (ompt_enabled.enabled) {
765 if (!current_task->ompt_task_info.frame.enter_frame.ptr)
766 current_task->ompt_task_info.frame.enter_frame.ptr =
767 OMPT_GET_FRAME_ADDRESS(0);
768 if (ompt_enabled.ompt_callback_task_create) {
769 ompt_callbacks.ompt_callback(ompt_callback_task_create)(
770 &(current_task->ompt_task_info.task_data),
771 &(current_task->ompt_task_info.frame), taskwait_task_data,
772 ompt_task_taskwait | ompt_task_undeferred | ompt_task_mergeable, 1,
773 OMPT_LOAD_OR_GET_RETURN_ADDRESS(gtid));
779 if (ndeps + ndeps_noalias > 0 && ompt_enabled.ompt_callback_dependences) {
782 int ompt_ndeps = ndeps + ndeps_noalias;
783 ompt_dependence_t *ompt_deps = (ompt_dependence_t *)KMP_OMPT_DEPS_ALLOC(
784 thread, (ndeps + ndeps_noalias) *
sizeof(ompt_dependence_t));
786 KMP_ASSERT(ompt_deps != NULL);
788 for (i = 0; i < ndeps; i++) {
789 ompt_deps[i].variable.ptr = (
void *)dep_list[i].base_addr;
790 if (dep_list[i].flags.in && dep_list[i].flags.out)
791 ompt_deps[i].dependence_type = ompt_dependence_type_inout;
792 else if (dep_list[i].flags.out)
793 ompt_deps[i].dependence_type = ompt_dependence_type_out;
794 else if (dep_list[i].flags.in)
795 ompt_deps[i].dependence_type = ompt_dependence_type_in;
796 else if (dep_list[i].flags.mtx)
797 ompt_deps[ndeps + i].dependence_type =
798 ompt_dependence_type_mutexinoutset;
799 else if (dep_list[i].flags.set)
800 ompt_deps[ndeps + i].dependence_type = ompt_dependence_type_inoutset;
802 for (i = 0; i < ndeps_noalias; i++) {
803 ompt_deps[ndeps + i].variable.ptr = (
void *)noalias_dep_list[i].base_addr;
804 if (noalias_dep_list[i].flags.in && noalias_dep_list[i].flags.out)
805 ompt_deps[ndeps + i].dependence_type = ompt_dependence_type_inout;
806 else if (noalias_dep_list[i].flags.out)
807 ompt_deps[ndeps + i].dependence_type = ompt_dependence_type_out;
808 else if (noalias_dep_list[i].flags.in)
809 ompt_deps[ndeps + i].dependence_type = ompt_dependence_type_in;
810 else if (noalias_dep_list[i].flags.mtx)
811 ompt_deps[ndeps + i].dependence_type =
812 ompt_dependence_type_mutexinoutset;
813 else if (noalias_dep_list[i].flags.set)
814 ompt_deps[ndeps + i].dependence_type = ompt_dependence_type_inoutset;
816 ompt_callbacks.ompt_callback(ompt_callback_dependences)(
817 taskwait_task_data, ompt_deps, ompt_ndeps);
820 KMP_OMPT_DEPS_FREE(thread, ompt_deps);
829 bool ignore = current_task->td_flags.team_serial ||
830 current_task->td_flags.tasking_ser ||
831 current_task->td_flags.final;
833 ignore && thread->th.th_task_team != NULL &&
834 thread->th.th_task_team->tt.tt_found_proxy_tasks == FALSE &&
835 thread->th.th_task_team->tt.tt_hidden_helper_task_encountered == FALSE;
836 ignore = ignore || current_task->td_dephash == NULL;
839 KA_TRACE(10, (
"__kmpc_omp_wait_deps(exit): T#%d has no blocking "
840 "dependences : loc=%p\n",
843 __ompt_taskwait_dep_finish(current_task, taskwait_task_data);
848 kmp_depnode_t node = {0};
849 __kmp_init_node(&node);
851 if (!__kmp_check_deps(gtid, &node, NULL, ¤t_task->td_dephash,
852 DEP_BARRIER, ndeps, dep_list, ndeps_noalias,
854 KA_TRACE(10, (
"__kmpc_omp_wait_deps(exit): T#%d has no blocking "
855 "dependences : loc=%p\n",
858 __ompt_taskwait_dep_finish(current_task, taskwait_task_data);
863 int thread_finished = FALSE;
864 kmp_flag_32<false, false> flag(
865 (std::atomic<kmp_uint32> *)&node.dn.npredecessors, 0U);
866 while (node.dn.npredecessors > 0) {
867 flag.execute_tasks(thread, gtid, FALSE,
868 &thread_finished USE_ITT_BUILD_ARG(NULL),
869 __kmp_task_stealing_constraint);
873 __ompt_taskwait_dep_finish(current_task, taskwait_task_data);
875 KA_TRACE(10, (
"__kmpc_omp_wait_deps(exit): T#%d finished waiting : loc=%p\n",
kmp_int32 __kmpc_omp_task_with_deps(ident_t *loc_ref, kmp_int32 gtid, kmp_task_t *new_task, kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list)
void __kmpc_omp_wait_deps(ident_t *loc_ref, kmp_int32 gtid, kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list)