[petsc-users] CUDA MatSetValues test

Mark Adams mfadams at lbl.gov
Fri May 28 11:13:16 CDT 2021

On Fri, May 28, 2021 at 11:57 AM Stefano Zampini <stefano.zampini at gmail.com>

> If you are referring to your device set values, I guess it is not
> currently tested

No. There is a test for that (ex5cu).
I have a user that is getting a segv in MatSetValues with aijcusparse. I
suspect there is memory corruption but I'm trying to cover all the bases.
I have added a cuda test to ksp/ex56 that works. I can do an MR for it if
such a test does not exist.

> See the discussions here
> https://gitlab.com/petsc/petsc/-/merge_requests/3411
> I started cleaning up the code to prepare for testing but we never
> finished it
> https://gitlab.com/petsc/petsc/-/commits/stefanozampini/simplify-setvalues-device/
> On May 28, 2021, at 6:53 PM, Mark Adams <mfadams at lbl.gov> wrote:
> Is there a test with MatSetValues and CUDA?
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