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345ba07f1d
test cuda: import fmt in CUDA source code Current test is only for Windows(cl.exe). Need to test more with the other host compilers... * Activate the test when `find_package(CUDA)` worked * The test runs with C++14 Detailed comments in 'test/cuda-test' test cuda: add more comment / macro check * checks both `__NVCC__` and `__CUDACC__` More comments for CMake and CUDA source file. test cuda: <fmt/core.h> checks NVCC and CUDA The header file checks 2 things. * __NVCC__: if the compiler is from NVIDIA * __CUDACC__: if the source code is CUDA(.cu) file Since we can't sure all users prefer latest, Version for `find_pacakge(CUDA)` is downgraded to 9.0. This is the minimum version for C++14 in CUDA
29 lines
905 B
Plaintext
29 lines
905 B
Plaintext
// Direct NVCC command line example:
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//
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// nvcc ./cuda-cpp14.cu -x cu -I"../include" -l"fmtd" -L"../build/Debug" \
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// -std=c++14 -Xcompiler /std:c++14 -Xcompiler /Zc:__cplusplus
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// Ensure that we are using the latest C++ standard for NVCC
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// The version is C++14
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//
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// https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#c-cplusplus-language-support
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// https://en.cppreference.com/w/cpp/preprocessor/replace#Predefined_macros
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static_assert(__cplusplus >= 201402L, "expect C++ 2014 for nvcc");
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#include <fmt/core.h>
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#include <cuda.h>
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#include <iostream>
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extern auto make_message_cpp() -> std::string;
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extern auto make_message_cuda() -> std::string;
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int main() {
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std::cout << make_message_cuda() << std::endl;
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std::cout << make_message_cpp() << std::endl;
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}
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auto make_message_cuda() -> std::string {
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return fmt::format("nvcc compiler \t: __cplusplus == {}", __cplusplus);
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}
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