jiri/LA_library
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jiri
2019-11-13 22:22:25 +00:00
parent 40469916fa
commit d8563301d4
10 changed files with 299 additions and 207 deletions
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42
configure.ac
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@@ -17,11 +17,39 @@ AC_PROG_CC
#AC_PROG_RANLIB obsoleted by libtool
AC_LANG(C++)
# Check for Intel MKL first
#user has to e.g. setenv LDFLAGS "-L/opt/intel/composer_xe_2013_sp1.1.106/mkl/lib/intel64/"
#and setenv CXXFLAGS "-I/opt/intel/composer_xe_2013_sp1.1.106/mkl/include/"
MKLLIB=""
mkl_present=1
AC_CHECK_LIB([mkl_intel_lp64 -lmkl_sequential -lmkl_core -lpthread], [dgemm_], [
echo "MKL LIBRARY FOUND"
] , [
mkl_present=0
])
AC_CHECK_HEADER(mkl_cblas.h, [echo "MKL INCLUDE FOUND"], [mkl_present=0])
if test $mkl_present == 1
then
MKLLIB="-Wl,--start-group -lmkl_intel_lp64 -lmkl_sequential -lmkl_core -Wl,--end-group -lpthread"
AC_SUBST([MKLLIB])
CLAPACKOPT=-DNONCLAPACK
AC_SUBST([CLAPACKOPT])
MKLOPT="-DHAS_MKL"
AC_SUBST([MKLOPT])
else
echo "MKL LIBRARY OR HEADER NOT FOUND, will try ATLAS next!"
fi
# Checks for mandatory libraries.
ATLASLIB=""
if test $mkl_present == 0
then
AC_CHECK_LIB([atlas], [ATL_zgemv],ATLASLIB="-lblas -latlas", [
echo "ATLAS not found, I hope you are using some other (more) efficient BLAS!"
echo "ATLAS not found, I hope you are using some other efficient BLAS!"
])
AC_SUBST([ATLASLIB])
@@ -30,7 +58,7 @@ AC_CHECK_LIB([blas], [dgemm_],BLASLIB="-lblas", [
exit
],[$ATLASLIB])
AC_SUBST([BLASLIB])
fi
MATPTROPT=""
AC_ARG_ENABLE([matptr],[ --enable-matptr switch to double** matrix representation (CUDA incompatible) [[default=no]]],
@@ -43,6 +71,11 @@ AC_ARG_ENABLE([matptr],[ --enable-matptr switch to double** matrix representa
#cblas and clapack available?
CBLASLIB=""
CBLASOPT=""
if test $mkl_present == 0
then
AC_CHECK_LIB([cblas], [cblas_ddot], [CBLASLIB="-lcblas"], [CBLASOPT=-DNONCBLAS],[$ATLASLIB])
AC_CHECK_HEADER([cblas.h],,[CBLASOPT=-DNONCBLAS CBLASLIB=""], AC_INCLUDES_DEFAULT)
AC_SUBST([CBLASLIB])
@@ -59,6 +92,8 @@ AC_CHECK_LIB([lapack], [clapack_dgesv], , [CLAPACKOPT=-DNONCLAPACK],[$CBLASLIB $
AC_CHECK_HEADER([clapack.h],,[CLAPACKOPT=-DNONCLAPACK], AC_INCLUDES_DEFAULT)
AC_SUBST([CLAPACKOPT])
fi
#MKL end
#CUDA available? link with cublas and avoid cblas and clapack then...
AC_CHECK_LIB([cublas], [cublasInit], [MATPTROPT="" NVCC=nvcc NVCCFLAGS="-O -arch sm_20" CUDALIBS=-lcublas CUDAOPT=-DCUDALA CBLASOPT=-DNONCBLAS CLAPACKOPT=-DNONCLAPACK CBLASLIB=""], [CUDALIB="" CUDAOPT=""])
@@ -138,7 +173,8 @@ echo "**************************************************************************
echo "The LA library has now been configured. You may run make; make check; make install"
echo "Please make sure that the generated Makefile employs a proper version of optimized"
echo "BLAS/LAPACK library. If not, re-run configure with CXXFLAGS and LDFLAGS options "
echo "set to '-I path' and '-L path' for your preferred BLAS/LAPACK library version. "
echo "set to '-I/path' and '-L/path' for your preferred BLAS/LAPACK library version. "
echo "Either use export or specify these options on the command line ./configure ..... "
echo "In addition, similarly you might set include and link paths for Nvidia CUBLAS. "
echo "Use ./configure --disable-optimize CXXFLAGS='' LDFLAGS='' for a fast compile. "
echo "Use --enable-fotran64int to link with BLAS and LAPACK using 64-bit integers. "