[petsc-dev] MKL issue

[Jed Brown]

Stefano Zampini <stefano.zampini at gmail.com> writes:

> Just for the records:
>
> I have an installation using the MKL distribution of scalapack but it
>  doesn't use IntelMPI
>
> I've just got a very strange error using MUMPS from PETSc
>
> Intel MKL FATAL ERROR: Cannot load symbol MKLMPI_Get_wrappers.
>
> The error goes away with -mat_mumps_icntl_13 1 (which disables ScaLAPACK)

Do you want that to happen automatically?  Could we try and catch the
error instead of relying on configure to determine this run-time bug?

> This issue is related with
>
> https://software.intel.com/en-us/articles/using-intel-mkl-mpi-wrapper-with-the-intel-mkl-cluster-functions
>
> Is it something we can check for at configure time or we just wait that
> Intel ships MKL with a shared version of libmkl_blacs_(i)lp64?

You can write a test for it or wait.  Since the test needs to execute
code, it would need to run as part of conftest on a batch system.
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