ongpu.c

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

int main()
{
	int runningOnGPU = 0;
	fprintf(stderr, "OpenMP Version: %d\n", _OPENMP);
	/* Test if GPU is available using OpenMP4.5 */
#pragma omp target map(from:runningOnGPU)
	{
		if (omp_is_initial_device() == 0)
			runningOnGPU = 1;
	}
	/* If still running on CPU, GPU must not be available */
	if (runningOnGPU)
		printf("### Able to use the GPU! ### \n");
	else
		printf("### Unable to use the GPU, using CPU! ###\n");

	return 0;
}