#include <OpenCL/opencl.h>
#include <stdio.h>
int main() {
    cl_int work_item_dim;
    size_t work_item_sizes[3];
    size_t work_group_size;
    cl_platform_id platform_id;
    cl_uint ret;
    cl_device_id device_id;
    clGetPlatformIDs(1, &platform_id, &ret);
    clGetDeviceIDs(platform_id, CL_DEVICE_TYPE_GPU, 1, &device_id, &ret);
    clGetDeviceInfo(device_id, CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS, sizeof(cl_uint), &work_item_dim, NULL);
    clGetDeviceInfo(device_id, CL_DEVICE_MAX_WORK_ITEM_SIZES, sizeof(work_item_sizes), work_item_sizes, NULL);
    clGetDeviceInfo(device_id, CL_DEVICE_MAX_WORK_GROUP_SIZE, sizeof(size_t), &work_group_size, NULL);
    printf("Max work-item dimensions : %d \n",work_item_dim);
    printf("Max work-item work-item sizes : %ld %ld %ld \n",work_item_sizes[0],work_item_sizes[1],work_item_sizes[2]);
    printf("Max work-group size: %ld \n",work_group_size);
    return 0;
}