opencl-device-detect

gistfile1.c

#include <stdio.h>
#include <stdlib.h>
#include <OpenCL/opencl.h>

int main(int argc, char* const argv[]) {
	cl_uint num_devices, i;
	clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, 0, NULL, &num_devices);

	cl_device_id* devices = calloc(sizeof(cl_device_id), num_devices);
	clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, num_devices, devices, NULL);

	fprintf(stdout, "Devices found: %d\n", num_devices);
	char buf[128];
	for (i = 0; i < num_devices; i++) {
		clGetDeviceInfo(devices[i], CL_DEVICE_NAME, 128, buf, NULL);
		fprintf(stdout, "Device %s supports ", buf);

		clGetDeviceInfo(devices[i], CL_DEVICE_VERSION, 128, buf, NULL);
		fprintf(stdout, "%s\n", buf);
	}

	free(devices);
}