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don't block compile based on compiling cpu

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Richard Holland
2024-10-24 11:06:56 +11:00
parent 655938c1c7
commit da9ed46388
1 changed files with 0 additions and 20 deletions
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20
CMakeLists.txt
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@@ -11,27 +11,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(Boost_NO_BOOST_CMAKE ON)
# Configure CPU architecture flags
# Option 1: Use x86-64-v4 microarchitecture level
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=x86-64-v4")
# Option 2 (alternative): Explicitly specify AVX512 instruction sets
# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512f -mavx512bw -mavx512dq -mavx512vl")
# Add CPU feature detection
include(CheckCXXSourceRuns)
check_cxx_source_runs("
#include <immintrin.h>
int main() {
__m512i a = _mm512_set1_epi32(1);
__m512i b = _mm512_set1_epi32(2);
__m512i c = _mm512_add_epi32(a, b);
return 0;
}
" HAVE_AVX512)
if(NOT HAVE_AVX512)
message(FATAL_ERROR "AVX512 support is required to build this project. Please ensure your CPU supports AVX512 instructions (x86-64-v4).")
endif()
# make GIT_COMMIT_HASH define available to all sources
find_package(Git)