#include "cuda_runtime.h"
#include "device_launch_parameters.h"
#include <stdio.h>

int main() {
  int deviceCount;
  cudaGetDeviceCount(&deviceCount);

  int dev;
  for (dev = 0; dev < deviceCount; dev++)
  {
    int driver_version(0), runtime_version(0);
    cudaDeviceProp deviceProp;
    cudaGetDeviceProperties(&deviceProp, dev);
    if (dev == 0)
      if (deviceProp.minor = 9999 && deviceProp.major == 9999)
        printf("\n");
    printf("\nDevice%d:\"%s\"\n", dev, deviceProp.name);
    cudaDriverGetVersion(&driver_version);
    printf("CUDA驅動版本:                  %d.%d\n", driver_version / 1000, (driver_version % 1000) / 10);
    cudaRuntimeGetVersion(&runtime_version);
    printf("CUDA運行時版本:                 %d.%d\n", runtime_version / 1000, (runtime_version % 1000) / 10);
    printf("設備計算能力:                  %d.%d\n", deviceProp.major, deviceProp.minor);
    printf("Total amount of Global Memory:         %u bytes\n", deviceProp.totalGlobalMem);
    printf("Number of SMs:                 %d\n", deviceProp.multiProcessorCount);
    printf("Total amount of Constant Memory:        %u bytes\n", deviceProp.totalConstMem);
    printf("Total amount of Shared Memory per block:    %u bytes\n", deviceProp.sharedMemPerBlock);
    printf("Total number of registers available per block: %d\n", deviceProp.regsPerBlock);
    printf("Warp size:                   %d\n", deviceProp.warpSize);
    printf("Maximum number of threads per SM:        %d\n", deviceProp.maxThreadsPerMultiProcessor);
    printf("Maximum number of threads per block:      %d\n", deviceProp.maxThreadsPerBlock);
    printf("Maximum size of each dimension of a block:   %d x %d x %d\n", deviceProp.maxThreadsDim[0],
      deviceProp.maxThreadsDim[1],
      deviceProp.maxThreadsDim[2]);
    printf("Maximum size of each dimension of a grid:    %d x %d x %d\n", deviceProp.maxGridSize[0], deviceProp.maxGridSize[1], deviceProp.maxGridSize[2]);
    printf("Maximum memory pitch:              %u bytes\n", deviceProp.memPitch);
    printf("Texture alignmemt:               %u bytes\n", deviceProp.texturePitchAlignment);
    printf("Clock rate:                   %.2f GHz\n", deviceProp.clockRate * 1e-6f);
    printf("Memory Clock rate:               %.0f MHz\n", deviceProp.memoryClockRate * 1e-3f);
    printf("Memory Bus Width:                %d-bit\n", deviceProp.memoryBusWidth);
  }

  return 0;
}