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

Richard Tran Mills rtmills at anl.gov
Thu Sep 14 13:45:12 CDT 2017

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?


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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