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103 lines
2.9 KiB
103 lines
2.9 KiB
# This file is use to check all support level of AVX on your machine
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# so that PaddlePaddle can unleash the vectorization power of muticore.
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include(CheckCXXSourceRuns)
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include(CheckCXXSourceCompiles)
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if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(MMX_FLAG "-mmmx")
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set(SSE2_FLAG "-msse2")
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set(SSE3_FLAG "-msse3")
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set(AVX_FLAG "-mavx")
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set(AVX2_FLAG "-mavx2")
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set(AVX512F_FLAG "-mavx512f")
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elseif(MSVC)
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set(MMX_FLAG "/arch:MMX")
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set(SSE2_FLAG "/arch:SSE2")
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set(SSE3_FLAG "/arch:SSE3")
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SET(AVX_FLAG "/arch:AVX")
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SET(AVX2_FLAG "/arch:AVX2")
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endif()
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set(CMAKE_REQUIRED_FLAGS_RETAINED ${CMAKE_REQUIRED_FLAGS})
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# Check MMX
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set(CMAKE_REQUIRED_FLAGS ${MMX_FLAG})
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set(MMX_FOUND_EXITCODE 1 CACHE STRING "Result from TRY_RUN" FORCE)
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CHECK_CXX_SOURCE_RUNS("
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#include <mmintrin.h>
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int main()
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{
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_mm_setzero_si64();
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return 0;
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}" MMX_FOUND)
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# Check SSE2
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set(CMAKE_REQUIRED_FLAGS ${SSE2_FLAG})
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set(SSE2_FOUND_EXITCODE 1 CACHE STRING "Result from TRY_RUN" FORCE)
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CHECK_CXX_SOURCE_RUNS("
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#include <emmintrin.h>
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int main()
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{
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_mm_setzero_si128();
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return 0;
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}" SSE2_FOUND)
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# Check SSE3
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set(CMAKE_REQUIRED_FLAGS ${SSE3_FLAG})
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set(SSE3_FOUND_EXITCODE 1 CACHE STRING "Result from TRY_RUN" FORCE)
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CHECK_CXX_SOURCE_RUNS("
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#include <pmmintrin.h>
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int main()
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{
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__m128d a = _mm_set1_pd(6.28);
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__m128d b = _mm_set1_pd(3.14);
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__m128d result = _mm_addsub_pd(a, b);
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result = _mm_movedup_pd(result);
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return 0;
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}" SSE3_FOUND)
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# disable AVX by default on windows
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if(NOT WIN32)
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# Check AVX
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set(CMAKE_REQUIRED_FLAGS ${AVX_FLAG})
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set(AVX_FOUND_EXITCODE 1 CACHE STRING "Result from TRY_RUN" FORCE)
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CHECK_CXX_SOURCE_RUNS("
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#include <immintrin.h>
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int main()
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{
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__m256 a = _mm256_set_ps (-1.0f, 2.0f, -3.0f, 4.0f, -1.0f, 2.0f, -3.0f, 4.0f);
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__m256 b = _mm256_set_ps (1.0f, 2.0f, 3.0f, 4.0f, 1.0f, 2.0f, 3.0f, 4.0f);
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__m256 result = _mm256_add_ps (a, b);
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return 0;
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}" AVX_FOUND)
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# Check AVX 2
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set(CMAKE_REQUIRED_FLAGS ${AVX2_FLAG})
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set(AVX2_FOUND_EXITCODE 1 CACHE STRING "Result from TRY_RUN" FORCE)
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CHECK_CXX_SOURCE_RUNS("
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#include <immintrin.h>
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int main()
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{
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__m256i a = _mm256_set_epi32 (-1, 2, -3, 4, -1, 2, -3, 4);
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__m256i result = _mm256_abs_epi32 (a);
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return 0;
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}" AVX2_FOUND)
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# Check AVX512F
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set(CMAKE_REQUIRED_FLAGS ${AVX512F_FLAG})
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set(AVX512F_FOUND_EXITCODE 1 CACHE STRING "Result from TRY_RUN" FORCE)
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CHECK_CXX_SOURCE_RUNS("
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#include <immintrin.h>
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int main()
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{
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__m512i a = _mm512_set_epi32 (-1, 2, -3, 4, -1, 2, -3, 4,
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13, -5, 6, -7, 9, 2, -6, 3);
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__m512i result = _mm512_abs_epi32 (a);
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return 0;
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}" AVX512F_FOUND)
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endif(NOT WIN32)
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set(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS_RETAINED})
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mark_as_advanced(MMX_FOUND SSE2_FOUND SSE3_FOUND AVX_FOUND AVX2_FOUND AVX512F_FOUND)
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