[petsc-dev] MKL discussion

Jed Brown jedbrown at mcs.anl.gov
Fri Feb 1 17:07:49 CST 2013


I've been delinquent here. If I had added support for mkl_link_tool when I
first said I would, it would just work and users would stop mailing us
about it.

http://software.intel.com/en-us/articles/intel-mkl-command-line-link-tool


On Fri, Feb 1, 2013 at 4:14 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>   Satish,
>
>     The "BLAS/LAPACK" part of installation.html should discuss using the
> MKL libraries and how to use Intel's tool for determining the libraries to
> use. Currently this is not discussed there at all so users won't have a
> clue.
>
>    Thanks
>
>      Barry
>
> From installation.html
>
> BLAS/LAPACK
>
> These packages provide some basic numeric kernels used by PETSc.
>
>         • Configure will automatically look for blas/lapack in certain
> standard locations, on most systems you should not need to provide any
> information about BLAS/LAPACK in the ./configure command.
>         • One can use the following options to let configure
> download/install blas/lapack automatically.
>                 • --download-f-blas-lapack [when fortran compiler is
> present]
>                 • --download-f2cblaslapack [when configuring without a
> fortran compiler - i.e --with-fc=0]
>         • Alternatively one can use other options like one of the
> following.
>                 • --with-blas-lapack-lib=libsunperf.a
>                 • --with-blas-lib=libblas.a --with-lapack-lib=liblapack.a
>                 • --with-blas-lapack-dir=opt/intel/mkl72
> Notes:
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