int main(int argc, char *argv[])
{
- int n;
+ int n, rank;
MPI_Init(&argc, &argv);
int verbose = argc <= 1;
MPI_Comm_size(MPI_COMM_WORLD, &n);
+ MPI_Comm_rank(MPI_COMM_WORLD, &rank);
double d = 2.0;
for (int i = 0; i < 5; i++) {
/* I want no more than n + 1 benchs (thres < 0) */
SMPI_SAMPLE_GLOBAL(n + 1, -1) {
if (verbose)
- fprintf(stderr, "(%12.6f) [rank:%d]", MPI_Wtime(), smpi_process_index());
+ fprintf(stderr, "(%12.6f) [rank:%d]", MPI_Wtime(), rank);
else
fprintf(stderr, "(0)");
fprintf(stderr, " Run the first computation. It's globally benched, "
fprintf(stderr, "(1)");
fprintf(stderr,
" [rank:%d] Run the first (locally benched) computation. It's locally benched, and I want the "
- "standard error to go below 0.1 second (count is not >0)\n", smpi_process_index());
+ "standard error to go below 0.1 second (count is not >0)\n", rank);
}
d = compute(d);
}
}
if (verbose)
- fprintf(stderr, "(%12.6f) [rank:%d] The result of the computation is: %f\n", MPI_Wtime(), smpi_process_index(), d);
+ fprintf(stderr, "(%12.6f) [rank:%d] The result of the computation is: %f\n", MPI_Wtime(), rank, d);
else
- fprintf(stderr, "(2) [rank:%d] Done.\n", smpi_process_index());
+ fprintf(stderr, "(2) [rank:%d] Done.\n", rank);
MPI_Finalize();
return 0;