[petsc-dev] hypre + OMP and MKL-AIJ

[Mark Adams]

On Thu, Sep 14, 2017 at 3:25 PM, Kalinkin, Alexander A <
alexander.a.kalinkin at intel.com> wrote:

> Hi All,
>
> Of course we can if you need it but I see the problem with testing – we
> need to implement functionality and test it simultaneously with
> MatMatMult() wrappers in petsc branch. Any thoughts how it can be realized?
>

I've warned my users that this new.

If you can get snes/examples/tutorials/ex56 to work then you are probably
ready for users. My users will scale up and can work with you to debug.

Thanks,


> Thanks,
>
> Alex
>
>
>
> *From:* Richard Tran Mills [mailto:rtmills at anl.gov]
> *Sent:* Thursday, September 14, 2017 11:45 AM
> *To:* Mark Adams <mfadams at lbl.gov>
> *Cc:* For users of the development version of PETSc <petsc-dev at mcs.anl.gov>;
> Kalinkin, Alexander A <alexander.a.kalinkin at intel.com>; Sokolova, Irina <
> irina.sokolova at intel.com>
> *Subject:* Re: [petsc-dev] hypre + OMP and MKL-AIJ
>
>
>
> Hi Mark,
>
> Regarding MatMatMult() support, I think it should be fairly trivial for me
> to add that to AIJMKL. However, MKL doesn't currently have a matrix triple
> product routine (though the possibility of adding this has come up before
> in discussions with Alex Kalinkin from the MKL sparse team), so for now
> we'd need to implement that using MatMatMult().
>
> Perhaps Alex or Irina (cc'd) can say something about possible support for
> sparse matrix triple products in MKL?
>
> --Richard
>
>
>
> On Thu, Sep 14, 2017 at 11:32 AM, Mark Adams <mfadams at lbl.gov> wrote:
>
> I recall Barry saying that he updated the hypre interface after the last
> hypre release, which includes OpenMP. But, I am not finding the email. Can
> someone tell me the status of this?
>
>
>
> Note, I have two users that are interested in using threads with AMG. I
> think we would be interested in testing the new MKL-AIJ matrix but as I
> understand it we are waiting on the Mat-Mat Mult method(s) to get migrated.
> I should have at least one user that would be interested in testing this
> when it is ready.
>
>
>
> Thanks,
>
> Mark
>
>
>
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