main.cpp
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#include"check_tool.h"
#include <cuda.h>
#include<iostream>
using namespace std;
#define checkCudaErrors(S) do {CUresult status; \
status = S; \
if (status != CUDA_SUCCESS ) {std::cout << __LINE__ <<" checkCudaErrors - status = " << status << std::endl; \
exit(EXIT_FAILURE);}\
} while (false)
int CheckCUDAProperty( int devId )
{
cuInit(0);
CUdevice dev = devId;
size_t memSize = 0;
char devName[256] = {0};
int major = 0, minor = 0;
CUresult rlt = CUDA_SUCCESS;
checkCudaErrors(cuDeviceGetAttribute(&major, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, dev));
checkCudaErrors(cuDeviceGetAttribute(&minor, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR, dev));
checkCudaErrors( cuDeviceGetName(devName, sizeof( devName ), dev) );
printf( "Using GPU Device %d: %s has SM %d.%d compute capability\n",
dev, devName, major, minor );
rlt = cuDeviceTotalMem( &memSize, dev );
checkCudaErrors( rlt );
printf( "Total amount of global memory: %4.4f MB\n",
(float)memSize / ( 1024 * 1024 ) );
return 0;
}
int main(int argc, char *argv[]) {
printf("start \n");
if (argc != 3) {
fprintf(stderr, "./xxx uri gpu_id\n");
return -1;
}
char* uri = argv[1];
char* gpuid = argv[2];
CheckCUDAProperty(atoi(gpuid));
evalQuality(uri,gpuid);
return 0;
}