13#ifndef KMP_WAIT_RELEASE_H
14#define KMP_WAIT_RELEASE_H
20#include "ompt-specific.h"
36struct flag_properties {
37 unsigned int type : 16;
38 unsigned int reserved : 16;
41template <enum flag_type FlagType>
struct flag_traits {};
43template <>
struct flag_traits<flag32> {
44 typedef kmp_uint32 flag_t;
45 static const flag_type t = flag32;
46 static inline flag_t tcr(flag_t f) {
return TCR_4(f); }
47 static inline flag_t test_then_add4(
volatile flag_t *f) {
48 return KMP_TEST_THEN_ADD4_32(RCAST(
volatile kmp_int32 *, f));
50 static inline flag_t test_then_or(
volatile flag_t *f, flag_t v) {
51 return KMP_TEST_THEN_OR32(f, v);
53 static inline flag_t test_then_and(
volatile flag_t *f, flag_t v) {
54 return KMP_TEST_THEN_AND32(f, v);
58template <>
struct flag_traits<atomic_flag64> {
59 typedef kmp_uint64 flag_t;
60 static const flag_type t = atomic_flag64;
61 static inline flag_t tcr(flag_t f) {
return TCR_8(f); }
62 static inline flag_t test_then_add4(
volatile flag_t *f) {
63 return KMP_TEST_THEN_ADD4_64(RCAST(
volatile kmp_int64 *, f));
65 static inline flag_t test_then_or(
volatile flag_t *f, flag_t v) {
66 return KMP_TEST_THEN_OR64(f, v);
68 static inline flag_t test_then_and(
volatile flag_t *f, flag_t v) {
69 return KMP_TEST_THEN_AND64(f, v);
73template <>
struct flag_traits<flag64> {
74 typedef kmp_uint64 flag_t;
75 static const flag_type t = flag64;
76 static inline flag_t tcr(flag_t f) {
return TCR_8(f); }
77 static inline flag_t test_then_add4(
volatile flag_t *f) {
78 return KMP_TEST_THEN_ADD4_64(RCAST(
volatile kmp_int64 *, f));
80 static inline flag_t test_then_or(
volatile flag_t *f, flag_t v) {
81 return KMP_TEST_THEN_OR64(f, v);
83 static inline flag_t test_then_and(
volatile flag_t *f, flag_t v) {
84 return KMP_TEST_THEN_AND64(f, v);
88template <>
struct flag_traits<flag_oncore> {
89 typedef kmp_uint64 flag_t;
90 static const flag_type t = flag_oncore;
91 static inline flag_t tcr(flag_t f) {
return TCR_8(f); }
92 static inline flag_t test_then_add4(
volatile flag_t *f) {
93 return KMP_TEST_THEN_ADD4_64(RCAST(
volatile kmp_int64 *, f));
95 static inline flag_t test_then_or(
volatile flag_t *f, flag_t v) {
96 return KMP_TEST_THEN_OR64(f, v);
98 static inline flag_t test_then_and(
volatile flag_t *f, flag_t v) {
99 return KMP_TEST_THEN_AND64(f, v);
109 std::atomic<bool> *sleepLoc;
112 typedef flag_traits<FlagType> traits_type;
135 enum barrier_type get_bt() {
return bs_last_barrier; }
139template <
typename PtrType, flag_type FlagType,
bool Sleepable>
142 volatile PtrType *loc;
144 typedef flag_traits<FlagType> traits_type;
147 typedef PtrType flag_t;
155 kmp_flag_native(
volatile PtrType *p, PtrType c, std::atomic<bool> *sloc)
158 void *
operator new(
size_t size) {
return __kmp_allocate(size); }
159 void operator delete(
void *p) { __kmp_free(p); }
160 volatile PtrType *get() {
return loc; }
161 void *get_void_p() {
return RCAST(
void *, CCAST(PtrType *, loc)); }
162 void set(
volatile PtrType *new_loc) { loc = new_loc; }
163 PtrType load() {
return *loc; }
164 void store(PtrType val) { *loc = val; }
167 if (Sleepable && !(this->sleepLoc))
168 return (traits_type::tcr(*(this->get())) & ~KMP_BARRIER_SLEEP_STATE) ==
171 return traits_type::tcr(*(this->get())) ==
checker;
182 return traits_type::tcr(*(this->get())) !=
checker;
187 (void)traits_type::test_then_add4((
volatile PtrType *)this->get());
193 if (this->sleepLoc) {
194 this->sleepLoc->store(
true);
195 return *(this->get());
197 return traits_type::test_then_or((
volatile PtrType *)this->get(),
198 KMP_BARRIER_SLEEP_STATE);
204 if (this->sleepLoc) {
205 this->sleepLoc->store(
false);
208 traits_type::test_then_and((
volatile PtrType *)this->get(),
209 ~KMP_BARRIER_SLEEP_STATE);
215 return this->sleepLoc->load();
216 return old_loc & KMP_BARRIER_SLEEP_STATE;
221 return this->sleepLoc->load();
224 bool is_any_sleeping() {
226 return this->sleepLoc->load();
229 kmp_uint8 *get_stolen() {
return NULL; }
233template <
typename PtrType, flag_type FlagType,
bool Sleepable>
236 std::atomic<PtrType> *
loc;
251 std::atomic<PtrType> *
get() {
return loc; }
263 return (this->
load() & ~KMP_BARRIER_SLEEP_STATE) ==
checker;
283 if (this->sleepLoc) {
284 this->sleepLoc->store(
true);
285 return *(this->
get());
287 return KMP_ATOMIC_OR(this->
get(), KMP_BARRIER_SLEEP_STATE);
293 if (this->sleepLoc) {
294 this->sleepLoc->store(
false);
297 KMP_ATOMIC_AND(this->
get(), ~KMP_BARRIER_SLEEP_STATE);
303 return this->sleepLoc->load();
304 return old_loc & KMP_BARRIER_SLEEP_STATE;
309 return this->sleepLoc->load();
312 bool is_any_sleeping() {
314 return this->sleepLoc->load();
317 kmp_uint8 *get_stolen() {
return NULL; }
322static void __ompt_implicit_task_end(kmp_info_t *this_thr,
323 ompt_state_t ompt_state,
325 int ds_tid = this_thr->th.th_info.ds.ds_tid;
326 if (ompt_state == ompt_state_wait_barrier_implicit_parallel ||
327 ompt_state == ompt_state_wait_barrier_teams) {
328 this_thr->th.ompt_thread_info.state = ompt_state_overhead;
330 void *codeptr = NULL;
331 ompt_sync_region_t sync_kind = ompt_sync_region_barrier_implicit_parallel;
332 if (this_thr->th.ompt_thread_info.parallel_flags & ompt_parallel_league)
333 sync_kind = ompt_sync_region_barrier_teams;
334 if (ompt_enabled.ompt_callback_sync_region_wait) {
335 ompt_callbacks.ompt_callback(ompt_callback_sync_region_wait)(
336 sync_kind, ompt_scope_end, NULL, tId, codeptr);
338 if (ompt_enabled.ompt_callback_sync_region) {
339 ompt_callbacks.ompt_callback(ompt_callback_sync_region)(
340 sync_kind, ompt_scope_end, NULL, tId, codeptr);
343 if (!KMP_MASTER_TID(ds_tid)) {
344 if (ompt_enabled.ompt_callback_implicit_task) {
345 int flags = this_thr->th.ompt_thread_info.parallel_flags;
346 flags = (flags & ompt_parallel_league) ? ompt_task_initial
347 : ompt_task_implicit;
348 ompt_callbacks.ompt_callback(ompt_callback_implicit_task)(
349 ompt_scope_end, NULL, tId, 0, ds_tid, flags);
352 this_thr->th.ompt_thread_info.state = ompt_state_idle;
354 this_thr->th.ompt_thread_info.state = ompt_state_overhead;
365template <
class C,
bool final_spin,
bool Cancellable =
false,
366 bool Sleepable =
true>
368__kmp_wait_template(kmp_info_t *this_thr,
369 C *flag USE_ITT_BUILD_ARG(
void *itt_sync_obj)) {
370#if USE_ITT_BUILD && USE_ITT_NOTIFY
371 volatile void *spin = flag->get();
375 int tasks_completed = FALSE;
377 kmp_uint64 poll_count;
378 kmp_uint64 hibernate_goal;
380 kmp_uint32 hibernate;
384 KMP_FSYNC_SPIN_INIT(spin, NULL);
385 if (flag->done_check()) {
386 KMP_FSYNC_SPIN_ACQUIRED(CCAST(
void *, spin));
389 th_gtid = this_thr->th.th_info.ds.ds_gtid;
391 kmp_team_t *team = this_thr->th.th_team;
392 if (team && team->t.t_cancel_request == cancel_parallel)
397 KMP_ATOMIC_ST_REL(&this_thr->th.th_blocking,
true);
400 (
"__kmp_wait_sleep: T#%d waiting for flag(%p)\n", th_gtid, flag));
456 ompt_state_t ompt_entry_state;
458 if (ompt_enabled.enabled) {
459 ompt_entry_state = this_thr->th.ompt_thread_info.state;
461 (ompt_entry_state != ompt_state_wait_barrier_implicit_parallel &&
462 ompt_entry_state != ompt_state_wait_barrier_teams) ||
463 KMP_MASTER_TID(this_thr->th.th_info.ds.ds_tid)) {
464 ompt_lw_taskteam_t *team = NULL;
465 if (this_thr->th.th_team)
466 team = this_thr->th.th_team->t.ompt_serialized_team_info;
468 tId = &(team->ompt_task_info.task_data);
470 tId = OMPT_CUR_TASK_DATA(this_thr);
473 tId = &(this_thr->th.ompt_thread_info.task_data);
475 if (final_spin && (__kmp_tasking_mode == tskm_immediate_exec ||
476 this_thr->th.th_task_team == NULL)) {
478 __ompt_implicit_task_end(this_thr, ompt_entry_state, tId);
483 KMP_INIT_YIELD(spins);
484 KMP_INIT_BACKOFF(time);
486 if (__kmp_dflt_blocktime != KMP_MAX_BLOCKTIME ||
487 __kmp_pause_status == kmp_soft_paused) {
491#ifdef KMP_ADJUST_BLOCKTIME
492 if (__kmp_pause_status == kmp_soft_paused ||
493 (__kmp_zero_bt && !this_thr->th.th_team_bt_set))
498 hibernate = this_thr->th.th_team_bt_intervals;
500 hibernate = this_thr->th.th_team_bt_intervals;
511 hibernate += TCR_4(__kmp_global.g.g_time.dt.t_value);
512 KF_TRACE(20, (
"__kmp_wait_sleep: T#%d now=%d, hibernate=%d, intervals=%d\n",
513 th_gtid, __kmp_global.g.g_time.dt.t_value, hibernate,
514 hibernate - __kmp_global.g.g_time.dt.t_value));
516 if (__kmp_pause_status == kmp_soft_paused) {
518 hibernate_goal = KMP_NOW();
520 hibernate_goal = KMP_NOW() + this_thr->th.th_team_bt_intervals;
529 while (flag->notdone_check()) {
530 kmp_task_team_t *task_team = NULL;
531 if (__kmp_tasking_mode != tskm_immediate_exec) {
532 task_team = this_thr->th.th_task_team;
540 if (task_team != NULL) {
541 if (TCR_SYNC_4(task_team->tt.tt_active)) {
542 if (KMP_TASKING_ENABLED(task_team)) {
544 this_thr, th_gtid, final_spin,
545 &tasks_completed USE_ITT_BUILD_ARG(itt_sync_obj), 0);
547 this_thr->th.th_reap_state = KMP_SAFE_TO_REAP;
549 KMP_DEBUG_ASSERT(!KMP_MASTER_TID(this_thr->th.th_info.ds.ds_tid));
552 if (final_spin && ompt_enabled.enabled)
553 __ompt_implicit_task_end(this_thr, ompt_entry_state, tId);
555 this_thr->th.th_task_team = NULL;
556 this_thr->th.th_reap_state = KMP_SAFE_TO_REAP;
559 this_thr->th.th_reap_state = KMP_SAFE_TO_REAP;
563 KMP_FSYNC_SPIN_PREPARE(CCAST(
void *, spin));
564 if (TCR_4(__kmp_global.g.g_done)) {
565 if (__kmp_global.g.g_abort)
566 __kmp_abort_thread();
572 KMP_YIELD_OVERSUB_ELSE_SPIN(spins, time);
577 if (this_thr->th.th_stats->isIdle() &&
578 KMP_GET_THREAD_STATE() == FORK_JOIN_BARRIER) {
579 KMP_SET_THREAD_STATE(IDLE);
580 KMP_PUSH_PARTITIONED_TIMER(OMP_idle);
585 kmp_team_t *team = this_thr->th.th_team;
586 if (team && team->t.t_cancel_request == cancel_parallel)
600 if (task_team && KMP_HIDDEN_HELPER_WORKER_THREAD(th_gtid) &&
601 !TCR_4(__kmp_hidden_helper_team_done)) {
604 if (KMP_ATOMIC_LD_ACQ(&__kmp_unexecuted_hidden_helper_tasks) == 0) {
605 __kmp_hidden_helper_worker_thread_wait();
611 if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME &&
612 __kmp_pause_status != kmp_soft_paused)
616 if (task_team != NULL && TCR_4(task_team->tt.tt_found_tasks) &&
617 !__kmp_wpolicy_passive)
622 if (TCR_4(__kmp_global.g.g_time.dt.t_value) < hibernate)
625 if (KMP_BLOCKING(hibernate_goal, poll_count++))
633#if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
634 if (__kmp_mwait_enabled || __kmp_umwait_enabled) {
635 KF_TRACE(50, (
"__kmp_wait_sleep: T#%d using monitor/mwait\n", th_gtid));
636 flag->mwait(th_gtid);
639 KF_TRACE(50, (
"__kmp_wait_sleep: T#%d suspend time reached\n", th_gtid));
642 KMP_ATOMIC_ST_REL(&this_thr->th.th_blocking,
false);
644 flag->suspend(th_gtid);
647 KMP_ATOMIC_ST_REL(&this_thr->th.th_blocking,
true);
649#if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
653 if (TCR_4(__kmp_global.g.g_done)) {
654 if (__kmp_global.g.g_abort)
655 __kmp_abort_thread();
657 }
else if (__kmp_tasking_mode != tskm_immediate_exec &&
658 this_thr->th.th_reap_state == KMP_SAFE_TO_REAP) {
659 this_thr->th.th_reap_state = KMP_NOT_SAFE_TO_REAP;
665 ompt_state_t ompt_exit_state = this_thr->th.ompt_thread_info.state;
666 if (ompt_enabled.enabled && ompt_exit_state != ompt_state_undefined) {
669 __ompt_implicit_task_end(this_thr, ompt_exit_state, tId);
670 ompt_exit_state = this_thr->th.ompt_thread_info.state;
673 if (ompt_exit_state == ompt_state_idle) {
674 this_thr->th.ompt_thread_info.state = ompt_state_overhead;
680 if (KMP_GET_THREAD_STATE() == IDLE) {
681 KMP_POP_PARTITIONED_TIMER();
682 KMP_SET_THREAD_STATE(thread_state);
683 this_thr->th.th_stats->resetIdleFlag();
689 KMP_ATOMIC_ST_REL(&this_thr->th.th_blocking,
false);
691 KMP_FSYNC_SPIN_ACQUIRED(CCAST(
void *, spin));
693 kmp_team_t *team = this_thr->th.th_team;
694 if (team && team->t.t_cancel_request == cancel_parallel) {
695 if (tasks_completed) {
698 kmp_task_team_t *task_team = this_thr->th.th_task_team;
699 std::atomic<kmp_int32> *unfinished_threads =
700 &(task_team->tt.tt_unfinished_threads);
701 KMP_ATOMIC_INC(unfinished_threads);
709#if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
713static inline void __kmp_mwait_template(
int th_gtid, C *flag) {
714 KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(USER_mwait);
715 kmp_info_t *th = __kmp_threads[th_gtid];
717 KF_TRACE(30, (
"__kmp_mwait_template: T#%d enter for flag = %p\n", th_gtid,
721 KMP_DEBUG_ASSERT(__kmp_mwait_enabled || __kmp_umwait_enabled);
723 __kmp_suspend_initialize_thread(th);
724 __kmp_lock_suspend_mx(th);
726 volatile void *spin = flag->get();
727 void *cacheline = (
void *)(kmp_uintptr_t(spin) & ~(CACHE_LINE - 1));
729 if (!flag->done_check()) {
731 th->th.th_active = FALSE;
732 if (th->th.th_active_in_pool) {
733 th->th.th_active_in_pool = FALSE;
734 KMP_ATOMIC_DEC(&__kmp_thread_pool_active_nth);
735 KMP_DEBUG_ASSERT(TCR_4(__kmp_thread_pool_active_nth) >= 0);
737 flag->set_sleeping();
738 KF_TRACE(50, (
"__kmp_mwait_template: T#%d calling monitor\n", th_gtid));
740 if (__kmp_umwait_enabled) {
741 __kmp_umonitor(cacheline);
744 if (__kmp_mwait_enabled) {
745 __kmp_mm_monitor(cacheline, 0, 0);
751 if (flag->done_check())
752 flag->unset_sleeping();
755 TCW_PTR(th->th.th_sleep_loc, (
void *)flag);
756 th->th.th_sleep_loc_type = flag->get_type();
757 __kmp_unlock_suspend_mx(th);
758 KF_TRACE(50, (
"__kmp_mwait_template: T#%d calling mwait\n", th_gtid));
760 if (__kmp_umwait_enabled) {
761 __kmp_umwait(1, 100);
764 if (__kmp_mwait_enabled) {
765 __kmp_mm_mwait(0, __kmp_mwait_hints);
768 KF_TRACE(50, (
"__kmp_mwait_template: T#%d mwait done\n", th_gtid));
769 __kmp_lock_suspend_mx(th);
771 if (flag->is_sleeping())
772 flag->unset_sleeping();
773 TCW_PTR(th->th.th_sleep_loc, NULL);
774 th->th.th_sleep_loc_type = flag_unset;
777 th->th.th_active = TRUE;
778 if (TCR_4(th->th.th_in_pool)) {
779 KMP_ATOMIC_INC(&__kmp_thread_pool_active_nth);
780 th->th.th_active_in_pool = TRUE;
783 __kmp_unlock_suspend_mx(th);
784 KF_TRACE(30, (
"__kmp_mwait_template: T#%d exit\n", th_gtid));
792template <
class C>
static inline void __kmp_release_template(C *flag) {
794 int gtid = TCR_4(__kmp_init_gtid) ? __kmp_get_gtid() : -1;
796 KF_TRACE(20, (
"__kmp_release: T#%d releasing flag(%x)\n", gtid, flag->get()));
797 KMP_DEBUG_ASSERT(flag->get());
798 KMP_FSYNC_RELEASING(flag->get_void_p());
800 flag->internal_release();
802 KF_TRACE(100, (
"__kmp_release: T#%d set new spin=%d\n", gtid, flag->get(),
805 if (__kmp_dflt_blocktime != KMP_MAX_BLOCKTIME) {
808 if (flag->is_any_sleeping()) {
809 for (
unsigned int i = 0; i < flag->get_num_waiters(); ++i) {
811 kmp_info_t *waiter = flag->get_waiter(i);
813 int wait_gtid = waiter->th.th_info.ds.ds_gtid;
815 KF_TRACE(50, (
"__kmp_release: T#%d waking up thread T#%d since sleep "
817 gtid, wait_gtid, flag->get()));
818 flag->resume(wait_gtid);
825template <
bool Cancellable,
bool Sleepable>
826class kmp_flag_32 :
public kmp_flag_atomic<kmp_uint32, flag32, Sleepable> {
828 kmp_flag_32(std::atomic<kmp_uint32> *p)
830 kmp_flag_32(std::atomic<kmp_uint32> *p, kmp_info_t *
thr)
832 kmp_flag_32(std::atomic<kmp_uint32> *p, kmp_uint32
c)
835#if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
839 int execute_tasks(kmp_info_t *this_thr, kmp_int32 gtid,
int final_spin,
842 return __kmp_execute_tasks_32(
846 bool wait(kmp_info_t *this_thr,
855 void release() { __kmp_release_template(
this); }
856 flag_type get_ptr_type() {
return flag32; }
859template <
bool Cancellable,
bool Sleepable>
860class kmp_flag_64 :
public kmp_flag_native<kmp_uint64, flag64, Sleepable> {
862 kmp_flag_64(
volatile kmp_uint64 *p)
864 kmp_flag_64(
volatile kmp_uint64 *p, kmp_info_t *thr)
866 kmp_flag_64(
volatile kmp_uint64 *p, kmp_uint64 c)
868 kmp_flag_64(
volatile kmp_uint64 *p, kmp_uint64 c, std::atomic<bool> *loc)
870 void suspend(
int th_gtid) { __kmp_suspend_64(th_gtid,
this); }
871#if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
872 void mwait(
int th_gtid) { __kmp_mwait_64(th_gtid,
this); }
874 void resume(
int th_gtid) { __kmp_resume_64(th_gtid,
this); }
875 int execute_tasks(kmp_info_t *this_thr, kmp_int32 gtid,
int final_spin,
876 int *thread_finished USE_ITT_BUILD_ARG(
void *itt_sync_obj),
877 kmp_int32 is_constrained) {
878 return __kmp_execute_tasks_64(
879 this_thr, gtid,
this, final_spin,
880 thread_finished USE_ITT_BUILD_ARG(itt_sync_obj), is_constrained);
882 bool wait(kmp_info_t *this_thr,
883 int final_spin USE_ITT_BUILD_ARG(
void *itt_sync_obj)) {
885 return __kmp_wait_template<kmp_flag_64, TRUE, Cancellable, Sleepable>(
886 this_thr,
this USE_ITT_BUILD_ARG(itt_sync_obj));
888 return __kmp_wait_template<kmp_flag_64, FALSE, Cancellable, Sleepable>(
889 this_thr,
this USE_ITT_BUILD_ARG(itt_sync_obj));
891 void release() { __kmp_release_template(
this); }
892 flag_type get_ptr_type() {
return flag64; }
895template <
bool Cancellable,
bool Sleepable>
896class kmp_atomic_flag_64
899 kmp_atomic_flag_64(std::atomic<kmp_uint64> *p)
901 kmp_atomic_flag_64(std::atomic<kmp_uint64> *p, kmp_info_t *
thr)
903 kmp_atomic_flag_64(std::atomic<kmp_uint64> *p,
kmp_uint64 c)
905 kmp_atomic_flag_64(std::atomic<kmp_uint64> *p,
kmp_uint64 c,
906 std::atomic<bool> *
loc)
908 void suspend(
int th_gtid) { __kmp_atomic_suspend_64(
th_gtid,
this); }
910 void resume(
int th_gtid) { __kmp_atomic_resume_64(
th_gtid,
this); }
911 int execute_tasks(kmp_info_t *this_thr, kmp_int32 gtid,
int final_spin,
914 return __kmp_atomic_execute_tasks_64(
918 bool wait(kmp_info_t *this_thr,
921 return __kmp_wait_template<kmp_atomic_flag_64, TRUE,
Cancellable,
925 return __kmp_wait_template<kmp_atomic_flag_64, FALSE,
Cancellable,
929 void release() { __kmp_release_template(
this); }
930 flag_type get_ptr_type() {
return atomic_flag64; }
934class kmp_flag_oncore :
public kmp_flag_native<kmp_uint64, flag_oncore, false> {
937 enum barrier_type bt;
938 kmp_info_t *this_thr;
942 unsigned char &byteref(
volatile kmp_uint64 *loc,
size_t offset) {
943 return (RCAST(
unsigned char *, CCAST(kmp_uint64 *, loc)))[offset];
947 kmp_flag_oncore(
volatile kmp_uint64 *p)
948 :
kmp_flag_native<kmp_uint64, flag_oncore, false>(p), flag_switch(false) {
950 kmp_flag_oncore(
volatile kmp_uint64 *p, kmp_uint32 idx)
953 bt(bs_last_barrier) USE_ITT_BUILD_ARG(itt_sync_obj(nullptr)) {}
954 kmp_flag_oncore(
volatile kmp_uint64 *p, kmp_uint64 c, kmp_uint32 idx,
955 enum barrier_type bar_t,
956 kmp_info_t *thr USE_ITT_BUILD_ARG(
void *itt))
958 flag_switch(false), bt(bar_t),
959 this_thr(thr) USE_ITT_BUILD_ARG(itt_sync_obj(itt)) {}
960 virtual ~kmp_flag_oncore()
override {}
961 void *
operator new(
size_t size) {
return __kmp_allocate(size); }
962 void operator delete(
void *p) { __kmp_free(p); }
964 return byteref(&old_loc, offset) ==
checker;
969 if (this_thr->th.th_bar[bt].bb.wait_flag == KMP_BARRIER_SWITCH_TO_OWN_FLAG)
971 if (byteref(get(), offset) != 1 && !flag_switch)
973 else if (flag_switch) {
974 this_thr->th.th_bar[bt].bb.wait_flag = KMP_BARRIER_SWITCHING;
975 kmp_flag_64<> flag(&this_thr->th.th_bar[bt].bb.b_go,
976 (kmp_uint64)KMP_BARRIER_STATE_BUMP);
977 __kmp_wait_64(this_thr, &flag, TRUE USE_ITT_BUILD_ARG(itt_sync_obj));
983 if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME) {
984 byteref(get(), offset) = 1;
987 byteref(&mask, offset) = 1;
988 KMP_TEST_THEN_OR64(get(), mask);
991 void wait(kmp_info_t *this_thr,
int final_spin) {
993 __kmp_wait_template<kmp_flag_oncore, TRUE>(
994 this_thr,
this USE_ITT_BUILD_ARG(itt_sync_obj));
996 __kmp_wait_template<kmp_flag_oncore, FALSE>(
997 this_thr,
this USE_ITT_BUILD_ARG(itt_sync_obj));
999 void release() { __kmp_release_template(
this); }
1000 void suspend(
int th_gtid) { __kmp_suspend_oncore(th_gtid,
this); }
1001#if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
1002 void mwait(
int th_gtid) { __kmp_mwait_oncore(th_gtid,
this); }
1004 void resume(
int th_gtid) { __kmp_resume_oncore(th_gtid,
this); }
1005 int execute_tasks(kmp_info_t *this_thr, kmp_int32 gtid,
int final_spin,
1006 int *thread_finished USE_ITT_BUILD_ARG(
void *itt_sync_obj),
1007 kmp_int32 is_constrained) {
1009 int ret = __kmp_execute_tasks_oncore(
1010 this_thr, gtid,
this, final_spin,
1011 thread_finished USE_ITT_BUILD_ARG(itt_sync_obj), is_constrained);
1012 if (ompd_state & OMPD_ENABLE_BP)
1016 return __kmp_execute_tasks_oncore(
1017 this_thr, gtid,
this, final_spin,
1018 thread_finished USE_ITT_BUILD_ARG(itt_sync_obj), is_constrained);
1021 enum barrier_type get_bt() {
return bt; }
1022 flag_type get_ptr_type() {
return flag_oncore; }
1025static inline void __kmp_null_resume_wrapper(kmp_info_t *thr) {
1026 int gtid = __kmp_gtid_from_thread(thr);
1027 void *flag = CCAST(
void *, thr->th.th_sleep_loc);
1028 flag_type type = thr->th.th_sleep_loc_type;
1034 __kmp_resume_32(gtid, RCAST(kmp_flag_32<> *, flag));
1037 __kmp_resume_64(gtid, RCAST(kmp_flag_64<> *, flag));
1040 __kmp_atomic_resume_64(gtid, RCAST(kmp_atomic_flag_64<> *, flag));
1043 __kmp_resume_oncore(gtid, RCAST(kmp_flag_oncore *, flag));
1046 KF_TRACE(100, (
"__kmp_null_resume_wrapper: flag type %d is unset\n", type));
std::atomic< PtrType > * loc
bool is_sleeping_val(PtrType old_loc)
bool done_check_val(PtrType old_loc)
void set(std::atomic< PtrType > *new_loc)
std::atomic< PtrType > * get()
bool is_sleeping_val(PtrType old_loc)
virtual bool notdone_check()
virtual bool done_check_val(PtrType old_loc)
virtual bool done_check()
kmp_uint32 num_waiting_threads
kmp_info_t * waiting_threads[1]
kmp_uint32 get_num_waiters()
kmp_info_t * get_waiter(kmp_uint32 i)
void set_waiter(kmp_info_t *thr)
stats_state_e
the states which a thread can be in