[petsc-dev] VecCreateGhost on GPUs

[Matthew Knepley]

On Thu, Mar 9, 2023 at 6:54 AM Goddard, Christopher <
Christopher.Goddard at rolls-royce.com> wrote:

> Hi all,
>
>
>
> I’ve come across a problem with using ghosted vectors on GPUs, using CUDA
> backend. This is with the latest PETSc release version (3.18.5).
>
>
>
> I saw that there is already an issue on Gitlab regarding this issue (
> https://gitlab.com/petsc/petsc/-/issues/1096), and also an associated
> branch and merge request (
> https://gitlab.com/petsc/petsc/-/merge_requests/4542), but there doesn’t
> seem to have been any activity on the merge request for about a year.
>
>
>
> Are there any plans to get this fix for VecCreateGhost on GPUs into the
> main PETSc branch?
>

Yes, I will get this in. I have two classes this semester, so things have
been slower than normal. Will definitely be in by summer.

  Thanks,

     Matt


> Thanks,
>
> Chris
>
>
>
>
>
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