fix cuda arch detection (#24036)

revert-22778-infer_var_type
Zeng Jinle 5 years ago committed by GitHub
parent db6d867383
commit d053dfd5fc
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GPG Key ID: 4AEE18F83AFDEB23

@ -26,7 +26,9 @@ function(detect_installed_gpus out_variable)
set(cufile ${PROJECT_BINARY_DIR}/detect_cuda_archs.cu)
file(WRITE ${cufile} ""
"#include <cstdio>\n"
"#include \"stdio.h\"\n"
"#include \"cuda.h\"\n"
"#include \"cuda_runtime.h\"\n"
"int main() {\n"
" int count = 0;\n"
" if (cudaSuccess != cudaGetDeviceCount(&count)) return -1;\n"
@ -34,12 +36,12 @@ function(detect_installed_gpus out_variable)
" for (int device = 0; device < count; ++device) {\n"
" cudaDeviceProp prop;\n"
" if (cudaSuccess == cudaGetDeviceProperties(&prop, device))\n"
" std::printf(\"%d.%d \", prop.major, prop.minor);\n"
" printf(\"%d.%d \", prop.major, prop.minor);\n"
" }\n"
" return 0;\n"
"}\n")
execute_process(COMMAND "${CUDA_NVCC_EXECUTABLE}" "-ccbin=${CUDA_HOST_COMPILER}"
execute_process(COMMAND "${CUDA_NVCC_EXECUTABLE}"
"--run" "${cufile}"
WORKING_DIRECTORY "${PROJECT_BINARY_DIR}/CMakeFiles/"
RESULT_VARIABLE nvcc_res OUTPUT_VARIABLE nvcc_out

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