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17 lines
381 B
17 lines
381 B
#include <iostream>
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#include <cuda.h>
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extern "C" int use_cuda(void)
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{
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int nDevices = 0;
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cudaError_t err = cudaGetDeviceCount(&nDevices);
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if (err != cudaSuccess) {
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std::cerr << "Failed to retrieve the number of CUDA enabled devices"
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<< std::endl;
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return 1;
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}
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std::cout << "Found " << nDevices << " CUDA enabled devices" << std::endl;
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return 0;
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}
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