view src/libgomp-test.c @ 5978:1569a1d140ae

octave-launch: Set number of OpenBLAS threads to number of cores (bug #61208). * installer-files/octave-launch.c (get_num_physical_cores): New function to get number of physical processor cores. (wmain): Set OPENBLAS_NUM_THREADS to number of physical processor cores for performance.
author Markus Mützel <markus.muetzel@gmx.de>
date Thu, 25 Nov 2021 18:37:52 +0100
parents 99516e73b368
children
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/*
 * This file is part of MXE.
 * See index.html for further information.
 */

#include <omp.h>
#include <stdio.h>

int main(int argc, char *argv[])
{
    (void)argc;
    (void)argv;

    omp_set_num_threads(4);

    #pragma omp parallel
    fprintf(stderr, "Hello from thread %d, nthreads %d\n",
            omp_get_thread_num(), omp_get_num_threads());

    return 0;
}