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Options to use mersenne twister OR ranlux48 via --enable-rng flag at configure time.

Can save and restore RNG state via new (serial) I/O routines in a NERSC header style file.
Store a Parallel (one per site) and a single serial RNG file.
This commit is contained in:
paboyle
2015-12-19 18:32:25 +00:00
parent e108e708a3
commit 5710966324
8 changed files with 331 additions and 22 deletions

View File

@ -66,6 +66,10 @@ AC_CHECK_FUNCS([gettimeofday])
#Please install or provide the correct path to your installation
#Info at: http://www.mpfr.org/)])
#
# SIMD instructions selection
#
AC_ARG_ENABLE([simd],[AC_HELP_STRING([--enable-simd=SSE4|AVX|AVXFMA4|AVX2|AVX512|IMCI],\
[Select instructions to be SSE4.0, AVX 1.0, AVX 2.0+FMA, AVX 512, IMCI])],\
[ac_SIMD=${enable_simd}],[ac_SIMD=AVX2])
@ -160,6 +164,10 @@ case ${ac_PRECISION} in
;;
esac
#
# Comms selection
#
AC_ARG_ENABLE([comms],[AC_HELP_STRING([--enable-comms=none|mpi],[Select communications])],[ac_COMMS=${enable_comms}],[ac_COMMS=none])
case ${ac_COMMS} in
@ -179,6 +187,26 @@ esac
AM_CONDITIONAL(BUILD_COMMS_MPI,[ test "X${ac_COMMS}X" == "XmpiX" ])
AM_CONDITIONAL(BUILD_COMMS_NONE,[ test "X${ac_COMMS}X" == "XnoneX" ])
#
# RNG selection
#
AC_ARG_ENABLE([rng],[AC_HELP_STRING([--enable-rng=ranlux48|mt19937],\
[Select Random Number Generator to be used])],\
[ac_RNG=${enable_rng}],[ac_RNG=ranlux48])
case ${ac_RNG} in
ranlux48)
AC_DEFINE([RNG_RANLUX],[1],[RNG_RANLUX] )
;;
mt19937)
AC_DEFINE([RNG_MT19937],[1],[RNG_MT19937] )
;;
*)
AC_MSG_ERROR([${ac_RNG} unsupported --enable-rng option]);
;;
esac
#
# Chroma regression tests
#
AC_ARG_ENABLE([chroma],[AC_HELP_STRING([--enable-chroma],[Expect chroma compiled under c++11 ])],ac_CHROMA=yes,ac_CHROMA=no)
case ${ac_CHROMA} in