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[OpenMP] fix race condition in test

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This commit is contained in:
AndreyChurbanov 2021-02-18 02:27:49 +03:00
parent 53d7fd3762
commit dab5d6c2eb
1 changed files with 8 additions and 3 deletions
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11
openmp/runtime/test/tasking/omp_task_red_taskloop.c
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@ -51,13 +51,18 @@ printf("th %d (gen by th %d) passed bar%d in taskloop\n", omp_get_thread_num(),
}
return 0;
}
// res = 2*((1+2)+(2+3)+(3+4)+(4+5)+1+2+3) = 60
#define res 60
// res = ((1+2)+(2+3)+(3+4)+(4+5)+1+2+3) = 30
#define res 30
int main()
{
r = 0;
#pragma omp parallel num_threads(2)
foo();
{ // barrier ensures threads have started before tasks creation
#pragma omp barrier
// single ensures no race condition between taskgroup reductions
#pragma omp single nowait
foo();
}
if (r == res) {
return 0;
} else {