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Size: a a a
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CUDA_VISIBLE_DEVICES=
0,1,2,3`AP
int gpu_num;
cudaGetDeviceCount(&gpu_num); // number of CUDA devices
for(int id = 0; id < gpu_num; ++id) {
cudaDeviceProp prop;
cudaGetDeviceProperties(&prop, id);
cout << "Device id: " << id << endl;
cout << "Device name: " << prop.name << endl;
}
nvcc -o build mycode.cu
./build
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