Re: [ublas] bindings for ScaLAPACK

Subject: Re: [ublas] bindings for ScaLAPACK
From: Thomas Klimpel (Thomas.Klimpel_at_[hidden])
Date: 2010-05-11 09:36:31

Milosz Kukla wrote:
> I tried to change call names adding
> P letter to functions in lapack_names.h however during compile attemp I
> got errors on linking time. You can look at it here. Perhaps you had
> some idea why it happens.
> <http://software.intel.com/en-us/forums/showthread.php?t=74219&o=d&s=lr>

Well, your link line definitively doesn't follow the mkl recommendations:
<http://software.intel.com/en-us/articles/intel-mkl-link-line-advisor/>

- First of all, you didn't tell mkl which mpi version it should use for scalapack
(for example "-lmkl_blacs_intelmpi_lp64").
- And second, you decided that the "-Wl,--start-group ... -Wl,--end-group" can savely be ommited.

I tried to guess your configuration, and this is what the link line advisor told me:

-L$MKLPATH -lmkl_scalapack_lp64 $MKLPATH/libmkl_solver_lp64.a -Wl,--start-group -lmkl_intel_lp64 -lmkl_gnu_thread -lmkl_core -lmkl_blacs_intelmpi_lp64 -Wl,--end-group -fopenmp -lpthread

Perhaps you can get some inspiration from that link line.

Regards,
Thomas