[petsc-dev] Adding support memkind allocators in PETSc
Richard Mills
rtm at utk.edu
Wed Jun 3 21:34:59 CDT 2015
On Wed, Jun 3, 2015 at 7:28 PM, Jed Brown <jed at jedbrown.org> wrote:
> Barry Smith <bsmith at mcs.anl.gov> writes:
> > Richard has access to the hardware
>
> Is this true? Or he will have hardware "soon"?
>
Yes, I finally have access to hardware. It's a bit hard to get time on,
and it's flaky because it is from the initial tape-in, but it's here and
I've run on it. That's what prompted me to bring this thread up again.
>
> > and is not going to "lie to us" that "oh it helps so much" because
> > he knows that you will test it yourself and see that he is lying.
>
> I'm not at all worried about him lying, but I'm concerned about being
> able to sample across a sufficiently broad range of apps/configurations.
> Maybe he can run some PETSc examples and PFLOTRAN, which is a good
> start, but may not be running in the appropriately memory-constrained
> circumstances of a package with particles like pTatin, for example. We
> care not just about the highs but also about the confusing corners that
> users will undoubtedly encounter.
>
Good point, Jed. And I anticipate a lot of confusing corners.
--Richard
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