portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-16 23:07:05 +01:00
Code Releases Activity

Check at configure time if CPU supports the requested SIMD optimization

Browse Source
This commit is contained in:
neo
2015-05-27 18:30:11 +09:00
parent 64753ea633
commit 19bd6f103a
11 changed files with 2475 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
configure.ac
View File

@ -3,7 +3,7 @@
#
# Project Grid package
#
# Time-stamp: <2015-05-26 17:18:54 neo>
# Time-stamp: <2015-05-27 18:29:04 neo>
AC_PREREQ([2.63])
AC_INIT([Grid], [1.0], [paboyle@ph.ed.ac.uk])
@ -27,7 +27,7 @@ AC_PROG_CXX
AC_OPENMP
AC_PROG_RANLIB
AX_CXX_COMPILE_STDCXX_11(noext, mandatory)
AX_EXT
# Checks for libraries.
#AX_GCC_VAR_ATTRIBUTE(aligned)
@ -69,26 +69,44 @@ Info at: http://www.mpfr.org/)])
AC_ARG_ENABLE([simd],[AC_HELP_STRING([--enable-simd=SSE|AVX|AVX2|AVX512|MIC],\
AC_ARG_ENABLE([simd],[AC_HELP_STRING([--enable-simd=SSE4|AVX|AVX2|AVX512|MIC],\
[Select instructions to be SSE4.0, AVX 1.0, AVX 2.0+FMA, AVX 512, MIC])],\
[ac_SIMD=${enable_simd}],[ac_SIMD=AVX2])
supported=no
case ${ac_SIMD} in
SSE4)
echo Configuring for SSE4
if test x"$ax_cv_support_ssse3_ext" = x"yes"; then dnl minimal support for SSE4
AC_DEFINE([SSE4],[1],[SSE4] )
supported=yes
else
AC_MSG_WARN([Your processor does not support SSE4 instructions])
fi
;;
AVX)
echo Configuring for AVX
if test x"$ax_cv_support_avx_ext" = x"yes"; then dnl minimal support for AVX
AC_DEFINE([AVX1],[1],[AVX] )
supported=yes
else
AC_MSG_WARN([Your processor does not support AVX instructions])
fi
;;
AVX2)
echo Configuring for AVX2
if test x"$ax_cv_support_avx2_ext" = x"yes"; then dnl minimal support for AVX2
AC_DEFINE([AVX2],[1],[AVX2] )
supported=yes
else
AC_MSG_WARN([Your processor does not support AVX2 instructions])
fi
;;
AVX512|MIC)
echo Configuring for AVX512 and MIC
AC_DEFINE([AVX512],[1],[AVX512] )
supported=yes
;;
*)
AC_MSG_ERROR([${ac_SIMD} unsupported --enable-simd option]);
@ -129,7 +147,9 @@ then
AC_CONFIG_FILES([docs/doxy.cfg])
fi
echo
echo Creating configuration files
echo :::::::::::::::::::::::::::::::::::::::::::
AC_CONFIG_FILES(Makefile)
AC_CONFIG_FILES(lib/Makefile)
AC_CONFIG_FILES(tests/Makefile)
@ -150,9 +170,9 @@ The following features are enabled:
- os (target) : $target_os
- build DOXYGEN documentation : `if test "x$enable_doc" = xyes; then echo yes; else echo no; fi`
- graphs and diagrams : `if test "x$enable_dot" = xyes; then echo yes; else echo no; fi`
- Supported SIMD flags : $SIMD_FLAGS
----------------------------------------------------------
- enabled simd support : ${ac_SIMD}
- enabled simd support : ${ac_SIMD} (supported: $supported )
- communications type : ${ac_COMMS}