[petsc-dev] HIP / hypre

[Justin Chang]

Cc’ing Paul since I misspelled his email address initially

On Wed, Nov 10, 2021 at 12:17 PM Jacob Faibussowitsch <jacob.fai at gmail.com>
wrote:

> I’m in the process of implementing asynchronous GPU support for petsc. A
> side effect of this is that I unify the cuda/hip interface such that
> anywhere we have cuda-like code we will automatically also get the hip
> variant.
>
> The scaffolding is in include/petsc/private/cupminterface.hpp, but for
> concrete examples see the jacobf/2021-10-21/veccupm-async branch for the
> WIP port of VecSeq in src/vec/vec/impls/seq/seqcupm/veccupm.hpp.
>
> Best regards,
>
> Jacob Faibussowitsch
> (Jacob Fai - booss - oh - vitch)
>
> On Nov 10, 2021, at 11:50, Justin Chang <jychang48 at gmail.com> wrote:
>
> Paul Bauman was also involved with the HIP port of HYPRE. Several of us at
> AMD are interested in getting HIP support for PETSc in general, and having
> HYPRE support would greatly help
>
> On Wed, Nov 10, 2021 at 11:47 AM Stefano Zampini <
> stefano.zampini at gmail.com> wrote:
>
>> I did the work last summer. It's already available in 3.16
>>
>> Il Mer 10 Nov 2021, 20:44 Mark Adams <mfadams at lbl.gov> ha scritto:
>>
>>> Hypre has released HIP support and Ulrike says:
>>>
>>> I just want to let you know that hypre can now be used through PETSc
>>> with GPUs (both Nvidia and AMD).
>>>
>>> I am guessing we have some work to do to make this happen.
>>>
>>> What should I do?
>>>
>>
>
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