[Users] Going from lapacke.h to mkl_lapacke.h

[Erik Schnetter]

Chris

Can you say what is actually going wrong? We need to see an error message
or similar to help out.

-erik

On Sat, Mar 24, 2018 at 03:38 Chris Stevens <c.stevens at ru.ac.za> wrote:

> Hi everyone,
>
> I have just ported my code from a local cluster to larger one which uses
> intel mkl and wanted to clarify the changes I've made are the correct ones
> wrt the lapacke library:
>
> -- In the local cluster, I had the option
>
> LAPACK_LIBS = lapack lapacke in my .ini file
>
> and used #include "lapacke.h" in the code.
>
> -- In the bigger cluster, I now have to use intel mkl, and I have the
> following options in my .cfg
>
> LAPACK_DIR  = /apps/compilers/intel/parallel_studio_xe_2016/mkl/lib/intel64
>
> LAPACK_LIBS = -mkl
>
> which will only compile my code if I replace #include "lapacke.h" with
> #include "mkl_lapacke.h".
>
> Question: Is this the right way to generalise to mkl lapacke?
>
> Problem: The code runs fine on the local cluster, but breaks (not obvious
> where) on the larger one with the above changes. The lapacke functions seem
> to work OK at a glance, but seeing as this is the only thing that has
> changed this may still be the culprit.
>
> Question: Do I perhaps need to change the lapacke function calls also? The
> mkl_lapacke.h header file doesn't seem to give much insight... I think I
> remember seeing somewhere calls replaced something like
>
> LAPACKE_dgels -> MKL_LAPACKE_dgels
>
> Thanks!
>
> Chris
> --
> Dr Chris Stevens
>
> Claude Leon Postdoctoral Fellow
>
> Department of Mathematics
>
> Rhodes University
>
> Room 5
>
> Ph: +27 46 603 8932
>
> Web: www.chrisdoesmaths.com
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-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/
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