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47 lines
1.1 KiB
Text
47 lines
1.1 KiB
Text
#ifndef __CUDACC__
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# error "A C or C++ compiler has been selected for CUDA"
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#endif
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#include <cstdio>
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#include <cuda_runtime.h>
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#include "CMakeCompilerABI.h"
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int main(int argc, char* argv[])
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{
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int require = 0;
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require += info_sizeof_dptr[argc];
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require += info_byte_order_big_endian[argc];
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require += info_byte_order_little_endian[argc];
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#if defined(ABI_ID)
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require += info_abi[argc];
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#endif
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static_cast<void>(argv);
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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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int found = 0;
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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 = 1;
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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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// Convince the compiler that the non-zero return value depends
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// on the info strings so they are not optimized out.
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return require ? -1 : 1;
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}
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return 0;
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}
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