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fully generic SIMD

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This commit is contained in:
Antonin Portelli
2016-11-19 01:32:39 +01:00
parent 042ae5b87c
commit b873504b90
4 changed files with 483 additions and 653 deletions
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26
configure.ac
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@ -149,8 +149,14 @@ CXXFLAGS=$CXXFLAGS_CPY
LDFLAGS=$LDFLAGS_CPY
############### SIMD instruction selection
AC_ARG_ENABLE([simd],[AC_HELP_STRING([--enable-simd=<code>],
[select SIMD target (cf. README.md)])], [ac_SIMD=${enable_simd}], [ac_SIMD=GEN])
AC_ARG_ENABLE([simd],[AC_HELP_STRING([--enable-simd=code],
[select SIMD target (cf. README.md)])], [ac_SIMD=${enable_simd}], [ac_SIMD=GEN])
AC_ARG_ENABLE([gen-simd-width],
[AS_HELP_STRING([--enable-gen-simd-width=size],
[size (in bytes) of the generic SIMD vectors (default: 32)])],
[ac_gen_simd_width=$enable_gen_simd_width],
[ac_gen_simd_width=32])
case ${ax_cv_cxx_compiler_vendor} in
clang|gnu)
@ -179,8 +185,11 @@ case ${ax_cv_cxx_compiler_vendor} in
KNL)
AC_DEFINE([AVX512],[1],[AVX512 intrinsics])
SIMD_FLAGS='-march=knl';;
GEN256)
AC_DEFINE([GEN256],[1],[generic vector code])
GEN)
AC_DEFINE([GEN],[1],[generic vector code])
AC_DEFINE_UNQUOTED([GEN_SIMD_WIDTH],[$ac_gen_simd_width],
[generic SIMD vector width (in bytes)])
SIMD_GEN_WIDTH_MSG=" (width= $ac_gen_simd_width)"
SIMD_FLAGS='';;
QPX|BGQ)
AC_DEFINE([QPX],[1],[QPX intrinsics for BG/Q])
@ -211,8 +220,11 @@ case ${ax_cv_cxx_compiler_vendor} in
KNL)
AC_DEFINE([AVX512],[1],[AVX512 intrinsics for Knights Landing])
SIMD_FLAGS='-xmic-avx512';;
GEN256)
AC_DEFINE([GEN256],[1],[generic vector code])
GEN)
AC_DEFINE([GEN],[1],[generic vector code])
AC_DEFINE([GEN_SIMD_WIDTH],[$ac_gen_simd_width],
[generic SIMD vector width (in bytes)])
SIMD_GEN_WIDTH_MSG=" (width= $ac_gen_simd_width)"
SIMD_FLAGS='';;
*)
AC_MSG_ERROR(["SIMD option ${ac_SIMD} not supported by the Intel compiler"]);;
@ -382,7 +394,7 @@ os (target) : $target_os
compiler vendor : ${ax_cv_cxx_compiler_vendor}
compiler version : ${ax_cv_gxx_version}
----- BUILD OPTIONS -----------------------------------
SIMD : ${ac_SIMD}
SIMD : ${ac_SIMD}${SIMD_GEN_WIDTH_MSG}
Threading : ${ac_openmp}
Communications type : ${comms_type}
Default precision : ${ac_PRECISION}