static void thread_fini(void) { ck_stack_entry_t *stack_entry; ph_thread_t *thr; while ((stack_entry = ck_stack_pop_npsc(&ph_thread_all_threads)) != NULL) { thr = ph_thread_from_stack_entry(stack_entry); ph_counter_tear_down_thread(thr); free(thr); } }
static void thread_fini(void) { #ifdef PH_PLACATE_VALGRIND ck_stack_entry_t *stack_entry; ph_thread_t *thr; while ((stack_entry = ck_stack_pop_npsc(&ph_thread_all_threads)) != NULL) { thr = ph_thread_from_stack_entry(stack_entry); ph_counter_tear_down_thread(thr); free(thr); } #endif }
int main(void) { ck_stack_entry_t entry[ENTRIES]; ck_spinlock_fas_t mutex = CK_SPINLOCK_FAS_INITIALIZER; volatile ck_stack_entry_t * volatile r; uint64_t s, e, a; unsigned int i; unsigned int j; a = 0; for (i = 0; i < STEPS; i++) { ck_stack_init(&stack); s = rdtsc(); for (j = 0; j < ENTRIES; j++) { ck_spinlock_fas_lock(&mutex); ck_stack_push_spnc(&stack, entry + j); ck_spinlock_fas_unlock(&mutex); } e = rdtsc(); a += e - s; } printf(" spinlock_push: %16" PRIu64 "\n", a / STEPS / ENTRIES); a = 0; for (i = 0; i < STEPS; i++) { ck_stack_init(&stack); for (j = 0; j < ENTRIES; j++) ck_stack_push_spnc(&stack, entry + j); s = rdtsc(); for (j = 0; j < ENTRIES; j++) { ck_spinlock_fas_lock(&mutex); r = ck_stack_pop_npsc(&stack); ck_spinlock_fas_unlock(&mutex); } e = rdtsc(); a += e - s; } printf(" spinlock_pop: %16" PRIu64 "\n", a / STEPS / ENTRIES); r++; #ifdef CK_F_STACK_PUSH_UPMC a = 0; for (i = 0; i < STEPS; i++) { ck_stack_init(&stack); s = rdtsc(); for (j = 0; j < ENTRIES; j++) ck_stack_push_upmc(&stack, entry + j); e = rdtsc(); a += e - s; } printf("ck_stack_push_upmc: %16" PRIu64 "\n", a / STEPS / ENTRIES); #endif /* CK_F_STACK_PUSH_UPMC */ #ifdef CK_F_STACK_PUSH_MPMC a = 0; for (i = 0; i < STEPS; i++) { ck_stack_init(&stack); s = rdtsc(); for (j = 0; j < ENTRIES; j++) ck_stack_push_mpmc(&stack, entry + j); e = rdtsc(); a += e - s; } printf("ck_stack_push_mpmc: %16" PRIu64 "\n", a / STEPS / ENTRIES); #endif /* CK_F_STACK_PUSH_MPMC */ #ifdef CK_F_STACK_PUSH_MPNC a = 0; for (i = 0; i < STEPS; i++) { ck_stack_init(&stack); s = rdtsc(); for (j = 0; j < ENTRIES; j++) ck_stack_push_mpnc(&stack, entry + j); e = rdtsc(); a += e - s; } printf("ck_stack_push_mpnc: %16" PRIu64 "\n", a / STEPS / ENTRIES); #endif /* CK_F_STACK_PUSH_MPNC */ #if defined(CK_F_STACK_PUSH_UPMC) && defined(CK_F_STACK_POP_UPMC) a = 0; for (i = 0; i < STEPS; i++) { ck_stack_init(&stack); for (j = 0; j < ENTRIES; j++) ck_stack_push_upmc(&stack, entry + j); s = rdtsc(); for (j = 0; j < ENTRIES; j++) r = ck_stack_pop_upmc(&stack); e = rdtsc(); a += e - s; } printf(" ck_stack_pop_upmc: %16" PRIu64 "\n", a / STEPS / (sizeof(entry) / sizeof(*entry))); #endif /* CK_F_STACK_PUSH_UPMC && CK_F_STACK_POP_UPMC */ #if defined(CK_F_STACK_POP_MPMC) && defined(CK_F_STACK_PUSH_MPMC) a = 0; for (i = 0; i < STEPS; i++) { ck_stack_init(&stack); for (j = 0; j < ENTRIES; j++) ck_stack_push_mpmc(&stack, entry + j); s = rdtsc(); for (j = 0; j < ENTRIES; j++) r = ck_stack_pop_mpmc(&stack); e = rdtsc(); a += e - s; } printf(" ck_stack_pop_mpmc: %16" PRIu64 "\n", a / STEPS / (sizeof(entry) / sizeof(*entry))); r++; #endif return 0; }