Quick OpenMP test

omptest.c

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

int main() 
{
    #pragma omp parallel num_threads(4)
    {
        printf("Hello from thread %d, nthreads %d\\n", omp_get_thread_num(), omp_get_num_threads());
    }
    return EXIT_SUCCESS;
}