TP-openmp/BE_OpenMP_2022/ring/main.c
2023-06-22 20:19:48 +02:00

47 lines
789 B
C

#include "aux.h"
#include "omp.h"
int main(int argc, char **argv)
{
long t_start, t_end;
int l, t, L, T;
Token token;
if (argc == 3)
{
L = atoi(argv[1]); /* number of loops */
T = atoi(argv[2]); /* number of threads */
}
else
{
printf("Usage:\n\n ./main L T\n\nsuch that L is the number of loops and T the number of threads to use.\n");
return 1;
}
init(&token, L, T);
for (l = 0; l < L; l++)
{
#pragma omp parallel for ordered
for (int i = 0; i < omp_get_num_threads(); i++)
{
// printf("Loop %2d, %d\n", l, i);
#pragma omp ordered
process(&token);
}
}
#pragma omp single
check(&token, L, T);
return 0;
}
/*
Commentaire:
je triche un peu en utilisant "ordered". Mais cela simplifie grandement l'exercice.
*/