[petsc-dev] Dev release GPU solvers

[Matthew Knepley]

On Tue, Sep 6, 2011 at 10:59 AM, Daniel Lowell <redratio1 at gmail.com> wrote:

> On this page: http://www.mcs.anl.gov/petsc/petsc-as/features/gpus.html
>
> It states: "All of the Krylov methods except KSPIBCGS run on the GPU."
> I actually could only find ksp/pc/bicgstabcusp for any ksp implementation
> on the GPU.
>

All the linear algebra in the PETSc, including solvers, can execute on the
GPU. bicgstabcusp
is the custom implementation in CUSP.


> CUSP does have everything mentioned in the above PETSc link:
>
> http://code.google.com/p/cusp-library/wiki/QuickStartGuide#Iterative_Solvers
>
> However I don't see where any of it is implemented in the latest Dev
> release, Krylov solvers or preconditioners.
>

Not sure what you mean here.

    Matt


> Can anyone clear this up for me?
>
> Thanks,
>
> Daniel Lowell
>



-- 
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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