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print_cuda_devices.cu
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print_cuda_devices.cu
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#ifndef WINDOWS
#include <unistd.h>
#endif
#include <stdio.h>
#include <cuda.h>
int main(int argc, char *argv[])
{
int ndev=0;
int id=0;
cudaError_t error;
cudaDeviceProp features;
int rtver=0;
int dver=0;
/* Get number of devices */
error = cudaGetDeviceCount(&ndev);
if (error != cudaSuccess) {
printf("Error: problem obtaining number of CUDA devices: %d\n", error);
return 1;
}
/* Iterating over devices */
for (id=0; id<ndev; id++)
{
cudaSetDevice(id);
printf("GPU Device ID: %d\n", id);
cudaGetDeviceProperties(&features, id);
if (error != cudaSuccess) {
printf("Error: problem obtaining features of CUDA devices: %d\n", error);
return 1;
}
printf("GPU Name: %s\n", features.name);
printf("GPU compute capability: %d.%d\n", features.major, features.minor);
error=cudaDriverGetVersion(&dver);
if (error != cudaSuccess) {
printf("Error: problem obtaining CUDA driver version: %d\n", error);
return 1;
}
error=cudaRuntimeGetVersion(&rtver);
if (error != cudaSuccess) {
printf("Error: problem obtaining CUDA run-time version: %d\n", error);
return 1;
}
printf("CUDA driver version: %d.%d\n", dver/1000, (dver%100)/10);
printf("CUDA runtime version: %d.%d\n", rtver/1000, (rtver%100)/10);
printf("Global memory: %llu\n", (unsigned long long) features.totalGlobalMem);
printf("Max clock rate: %f MHz\n", features.clockRate * 0.001);
printf("Total amount of shared memory per block: %lu\n", features.sharedMemPerBlock);
printf("Total number of registers available per block: %d\n", features.regsPerBlock);
printf("Warp size: %d\n", features.warpSize);
printf("Maximum number of threads per multiprocessor: %d\n", features.maxThreadsPerMultiProcessor);
printf("Maximum number of threads per block: %d\n", features.maxThreadsPerBlock);
printf("Max dimension size of a thread block X: %d\n", features.maxThreadsDim[0]);
printf("Max dimension size of a thread block Y: %d\n", features.maxThreadsDim[1]);
printf("Max dimension size of a thread block Z: %d\n", features.maxThreadsDim[2]);
printf("Max dimension size of a grid size X: %d\n", features.maxGridSize[0]);
printf("Max dimension size of a grid size Y: %d\n", features.maxGridSize[1]);
printf("Max dimension size of a grid size Z: %d\n", features.maxGridSize[2]);
printf("\n");
}
return error;
}