[Trilinos-Users] Sundance and Tpetra

Gennadiy Rishkin gennadiy.rishkin at gmail.com
Tue May 17 15:30:30 MDT 2011


So, what does this mean for Tpetra and CUDA in Sundance?

Gennadiy


On 16 May 2011 18:33, Bartlett, Roscoe A <rabartl at sandia.gov> wrote:

> All,
>
> Sundance (Playa) has an abstract distributed memory matrix and vector
> loading interface that has no equivalent in Trilinos proper.  The Playa
> subclasses could potentially build on the existing Thyra/Tpetra adapters but
> would need to fill in the interfaces for parallel matrix vector loading so
> this would mostly be a new effort.
>
> -Ross
>
>
> > -----Original Message-----
> > From: trilinos-users-bounces at software.sandia.gov [mailto:trilinos-
> > users-bounces at software.sandia.gov] On Behalf Of Kevin Long
> > Sent: Sunday, May 15, 2011 2:42 PM
> > To: trilinos-users at software.sandia.gov; Robert Kirby; Brian Brennan
> > Subject: Re: [Trilinos-Users] Sundance and Tpetra
> >
> >
> > Hi Gennady & Chris,
> >
> > Sundance talks to the rest of Trilinos through Playa. To use TPetra
> > vectors and operators, it would be a matter of writing a pair of
> > (rather simple) adapter classes to wrap Tpetra objects in Playa
> > interface. Alternatively, I could simply write a Playa-Thyra adapter
> > and use Thyra's TPetra adapters.
> >
> > One question for you, Chris: what is the state of solvers and
> > preconditioners for use with TPetra? I figure someone has written a
> > TPetra/Belos adapter.
> > What is the state of tamesos and tifpack? Is there any variant of ML
> > for use with TPetra? How about NOX? (NOX might not be a worry anyway,
> > as I have a student implementing nonlinear solvers in Playa).
> >
> > Kevin
> >
> >
> >
> > On Sunday 15 May 2011 11:10:01 am Baker, Christopher G. wrote:
> > > I don't know. Kevin, what does Sundance use, Epetra or Thyra? If it
> > is
> > > Thyra, then it may be possible to support Tpetra in Sundance.
> > >
> > > Chris
> > >
> > >  -----Original Message-----
> > > From:       Gennadiy Rishkin [mailto:gennadiy.rishkin at gmail.com]
> > > Sent:       Sunday, May 15, 2011 06:54 AM Eastern Standard Time
> > > To: trilinos-users at software.sandia.gov
> > > Subject:    [Trilinos-Users] Sundance and Tpetra
> > >
> > > Hi all,
> > >
> > > Is it possible to use Tpetra with Sundance and so leverage the use of
> > CUDA?
> > >
> > > Gennadiy
> > >
> > > _______________________________________________
> > > Trilinos-Users mailing list
> > > Trilinos-Users at software.sandia.gov
> > > http://software.sandia.gov/mailman/listinfo/trilinos-users
> >
> >
> >
> > --
> > ------------------------------------------------------
> > Kevin Long
> > Associate Professor
> > Department of Mathematics and Statistics Texas Tech University Lubbock,
> > TX
> >
> > "The end of fear is the beginning of wisdom"
> >     -- Bertrand Russell
> > ------------------------------------------------------
>
>
> _______________________________________________
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> Trilinos-Users at software.sandia.gov
> http://software.sandia.gov/mailman/listinfo/trilinos-users
>
>
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