[petsc-users] MatSetValues() for MATMPICUSP

recrusader recrusader at gmail.com
Fri Feb 10 15:12:30 CST 2012


Dear Jed,

The first example works. However, the example uses MatSetValuesStencil()
not MatSetValues(). Are they same?

Thanks a lot,
Yujie

On Fri, Feb 10, 2012 at 2:51 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> On Fri, Feb 10, 2012 at 14:49, recrusader <recrusader at gmail.com> wrote:
>
>> Since MATMPIAIJ works (I didn't change anything. Just set the vec and mat
>> types to mpicusp and mpiaijcusp for GPU), I think the problem is likely
>> from MatSetValues_MPIAIJ().
>>
>> Which PETSc examples can test this function?
>
>
> Try src/ksp/ksp/examples/tutorials/ex43.c and
> src/snes/examples/tutorials/ex48.c
>
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