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[OpenMP] Possible fix for sporadic test failure from loop_dispatch.c 

This patch tries to fix sporadic test failure after the change
https://reviews.llvm.org/D122107.
Made the test wait until every thread has at least one loop iteration.

Differential Revision: https://reviews.llvm.org/D124812
This commit is contained in:
Hansang Bae 2022-05-02 13:42:26 -05:00
parent 39492ba5d6
commit 7e23b46ab8
1 changed files with 15 additions and 4 deletions
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19
openmp/runtime/test/ompt/worksharing/for/loop_dispatch.c
View File

@ -9,22 +9,33 @@
int main() {
int i;
int wait_s = 0;
#pragma omp parallel num_threads(4)
{
int wait_id = 0;
int team_size = omp_get_num_threads();
#pragma omp for schedule(static, WORK_SIZE / 4)
for (i = 0; i < WORK_SIZE; i++) {}
#pragma omp for schedule(dynamic)
for (i = 0; i < WORK_SIZE; i++) {
// Make every iteration takes at least 1ms.
delay(1000);
if (wait_id == 0) {
// Wait until every thread has at least one iteration assigned
OMPT_SIGNAL(wait_s);
OMPT_WAIT(wait_s, team_size);
wait_id++;
}
}
#pragma omp for schedule(guided)
for (i = 0; i < WORK_SIZE; i++) {
// Make every iteration takes at least 1ms.
delay(1000);
if (wait_id == 1) {
// Wait until every thread has at least one iteration assigned
OMPT_SIGNAL(wait_s);
OMPT_WAIT(wait_s, 2 * team_size);
wait_id++;
}
}
}