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30 lines
651 B
30 lines
651 B
#include <cstdio>
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#include <cuda_runtime.h>
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static bool cmakeCompilerCUDAArch()
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{
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int count = 0;
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if (cudaGetDeviceCount(&count) != cudaSuccess || count == 0) {
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std::fprintf(stderr, "No CUDA devices found.\n");
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return -1;
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}
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bool found = false;
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const char* sep = "";
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for (int device = 0; device < count; ++device) {
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cudaDeviceProp prop;
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if (cudaGetDeviceProperties(&prop, device) == cudaSuccess) {
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std::printf("%s%d%d", sep, prop.major, prop.minor);
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sep = ";";
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found = true;
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}
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}
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if (!found) {
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std::fprintf(stderr, "No CUDA architecture detected from any devices.\n");
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}
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return found;
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}
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