// CUDA Device Query

#include <stdio.h>

// Print device properties

void printDevProp(cudaDeviceProp devProp)

{

    printf("Major revision number:         %d\n",  devProp.major);

    printf("Minor revision number:         %d\n",  devProp.minor);

    printf("Name:                          %s\n",  devProp.name);

    printf("Total global memory:           %u\n",  devProp.totalGlobalMem);

    printf("Total shared memory per block: %u\n",  devProp.sharedMemPerBlock);

    printf("Total registers per block:     %d\n",  devProp.regsPerBlock);

    printf("Warp size:                     %d\n",  devProp.warpSize);

    printf("Maximum memory pitch:          %u\n",  devProp.memPitch);

    printf("Maximum threads per block:     %d\n",  devProp.maxThreadsPerBlock);

    for (int i = 0; i < 3; ++i)

    printf("Maximum dimension %d of block:  %d\n", i, devProp.maxThreadsDim[i]);

    for (int i = 0; i < 3; ++i)

    printf("Maximum dimension %d of grid:   %d\n", i, devProp.maxGridSize[i]);

    printf("Clock rate:                    %d\n",  devProp.clockRate);

    printf("Total constant memory:         %u\n",  devProp.totalConstMem);

    printf("Texture alignment:             %u\n",  devProp.textureAlignment);

    printf("Concurrent copy and execution: %s\n",  (devProp.deviceOverlap ? "Yes" : "No"));

    printf("Number of multiprocessors:     %d\n",  devProp.multiProcessorCount);

    printf("Kernel execution timeout:      %s\n",  (devProp.kernelExecTimeoutEnabled ? "Yes" : "No"));

    return;

}

int main()

{

    // Number of CUDA devices

    int devCount;

    cudaGetDeviceCount(&devCount);

    printf("CUDA Device Query...\n");

    printf("There are %d CUDA devices.\n", devCount);

    // Iterate through devices

    for (int i = 0; i < devCount; ++i)

    {

        // Get device properties

        printf("\nCUDA Device #%d\n", i);

        cudaDeviceProp devProp;

        cudaGetDeviceProperties(&devProp, i);

        printDevProp(devProp);

    }

    printf("\nPress any key to exit...");

    char c;

    scanf("%c", &c);

    return 0;

}