[petsc-dev] 3rd party GPU AMG solvers

Matthew Knepley knepley at gmail.com
Thu Jul 13 22:43:18 CDT 2017

On Thu, Jul 13, 2017 at 10:36 PM, Jed Brown <jed at jedbrown.org> wrote:

> Karl Rupp <rupp at iue.tuwien.ac.at> writes:
> > Hi Mark,
> >
> >> I hear Hypre has support for GPUs in a May release. Any word on the
> >> status of using it in PETSc?
> >
> > as far as I know, it is currently not supported in PETSc. I'll have a
> > look at it and see what needs to be done to enable it.
> >
> >
> >> And we discussed interfacing to AMGx, which is complicated (precluded?)
> >> by not releasing source. Anything on the potential of interfacing to
> >> AMGx?  I think it would be great to make this available. It is on a lot
> >> of checkboxes. I would love to be able to say, yea you can use it.
> >
> > Lorena Barba's group actually interfaced PETSc to AMGx at some point
> > (presented at GTC 2016 if I'm not mistaken). I'll reach out to them,
> > maybe they have something to contribute.
> https://github.com/barbagroup/AmgXWrapper

Argh! Why spend so much time and effort to get the design all wrong. Why
couldn't they JUST MAKE A NEW PC?


What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

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