On Wed, Nov 13, 2013 at 3:36 PM, John Peterson <jwpeter...@gmail.com> wrote:
>
>
>
> On Wed, Nov 13, 2013 at 3:16 PM, Jed Brown <jedbr...@mcs.anl.gov> wrote:
>
>> John Peterson <jwpeter...@gmail.com> writes:
>> > I got access to a machine with Intel-14, and it looks like libmesh
>> master
>> > (sans PETSc at the moment, working on figuring out the right way to link
>> > against MKL) compiles and the examples run OK for me (no segfaults at
>> the
>> > end of apps).
>>
>> If you are using Intel compilers, it's supposed to be as simple as
>> passing -mkl to the linker, though you can always run mkl_link_tool and
>> put the result in LIBS.
>>
>
> That utility seems to be mis-installed on my system?
>
> $ /opt/intel/composer_xe_2013_sp1.0.080/mkl/tools/mkl_link_tool
> -bash: /opt/intel/composer_xe_2013_sp1.0.080/mkl/tools/mkl_link_tool:
> /lib/ld-linux.so.2: bad ELF interpreter: No such file or directory
>
> I remember there being a website which would spit out MKL link lines too...
>
http://software.intel.com/en-us/articles/intel-mkl-link-line-advisor
We are interested in attempting to run on the host CPUs and use automatic
offloading to MIC with MKL, so the website recommended the following:
linker options: -lmkl_scalapack_ilp64 -lmkl_cdft_core
-lmkl_blacs_intelmpi_ilp64 -lpthread -lm
compiler options: -DMKL_ILP64 -openmp -mkl=parallel
I thus configured configured PETSc with:
--CFLAGS="-DMKL_ILP64 -openmp -mkl=parallel" \
--CXXFLAGS="-DMKL_ILP64 -openmp -mkl=parallel" \
--with-blas-lapack-dir=/opt/intel/mkl/lib/intel64 \
--LDFLAGS="-lmkl_scalapack_ilp64 -lmkl_cdft_core
-lmkl_blacs_intelmpi_ilp64 -lpthread -lm" \
but PETSc's configure summary reported:
BLAS/LAPACK: -Wl,-rpath,/opt/intel/mkl/lib/intel64
-L/opt/intel/mkl/lib/intel64 -lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core
-liomp5 -lpthread
and when I ran 'make' PETSc said:
Using libraries:
...
-lmkl_intel_lp64
-lmkl_intel_thread
-lmkl_core
-liomp5
-lpthread
-lmpigc4
-ldl
-lmpigf
-lmpi_mt
-lmpigi
-lrt
-lpthread
-lmkl_intel_lp64
-lmkl_intel_thread
-lmkl_core
-liomp5
-limf
-lsvml
-lirng
-lipgo
-ldecimal
-lcilkrts
-lstdc++
-lgcc_s
-lirc
-lirc_s
-ldl
so it doesn't appear that -lmkl_scalapack_ilp64 -lmkl_cdft_core
-lmkl_blacs_intelmpi_ilp64 made it through PETSc's configure? Should I use
something other than --LDFLAGS perhaps?
--
John
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