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[cmake] option USE_NATIVE_ARCH for Windows

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This commit is contained in:
Matthias Hochsteger 2019-12-20 18:07:54 +01:00
parent d9a322ed65
commit 09afc419bc
2 changed files with 51 additions and 8 deletions
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58
CMakeLists.txt
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@ -9,9 +9,7 @@ else(WIN32)
cmake_minimum_required(VERSION 3.8)
endif(WIN32)
if(NOT WIN32)
option( USE_NATIVE_ARCH "build which -march=native" ON)
endif(NOT WIN32)
option( USE_NATIVE_ARCH "build for native cpu architecture" ON)
option( USE_GUI "don't build netgen with GUI" ON )
option( USE_PYTHON "build with python interface" ON )
@ -94,11 +92,6 @@ if(USE_CCACHE)
endif(CCACHE_FOUND)
endif(USE_CCACHE)
#######################################################################
if(USE_NATIVE_ARCH)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif(USE_NATIVE_ARCH)
#######################################################################
if(INTEL_MIC)
set(MKL_ARCH "mic")
@ -411,6 +404,55 @@ if (USE_PYTHON)
endif (USE_PYTHON)
add_subdirectory(tests)
#######################################################################
if(USE_NATIVE_ARCH)
if(WIN32)
include(CheckCXXSourceRuns)
check_cxx_source_runs("
#include <immintrin.h>
int main()
{
__m256d a{1.,2.,3.,4.};
__m256d b{2.,0.,3.,5.};
__m256d c = _mm256_mul_pd(a,b);
return 0;
} " NG_HAVE_AVX)
check_cxx_source_runs("
#include <immintrin.h>
int main()
{
__m256i a{1,2,3,4};
__m256i b{2,0,3,5};
__m256i c = _mm256_cmpgt_epi64 (a,b);
return 0;
} " NG_HAVE_AVX2)
check_cxx_source_runs("
#include <immintrin.h>
int main()
{
__m512d a{1.,2.,3.,4.};
__m512d b{5.,6.,7.,8.};
__m512d c = _mm512_mul_pd(a,b);
return 0;
} " NG_HAVE_AVX512)
if(NG_HAVE_AVX512)
target_compile_options(ngcore PUBLIC "/arch:AVX512")
message(STATUS "Build for AVX512 CPU")
elseif(NG_HAVE_AVX2)
target_compile_options(ngcore PUBLIC "/arch:AVX2")
message(STATUS "Build for AVX2 CPU")
elseif(NG_HAVE_AVX)
target_compile_options(ngcore PUBLIC "/arch:AVX")
message(STATUS "Build for AVX CPU")
else()
message(STATUS "Build for generic CPU")
endif()
else()
target_compile_options(ngcore PUBLIC "-march=native")
endif(WIN32)
endif(USE_NATIVE_ARCH)
#######################################################################
# Debian packager

1
cmake/NetgenConfig.cmake.in
View File

@ -54,6 +54,7 @@ set(NETGEN_USE_MPEG @USE_MPEG@)
set(NETGEN_INTEL_MIC @INTEL_MIC@)
set(NETGEN_INSTALL_PROFILES @INSTALL_PROFILES@)
set(NETGEN_USE_CCACHE @USE_CCACHE@)
set(NETGEN_USE_NATIVE_ARCH @USE_NATIVE_ARCH@)
set(NETGEN_PYTHON_RPATH "@NETGEN_PYTHON_RPATH@")
set(NETGEN_RPATH_TOKEN "@NG_RPATH_TOKEN@")