[petsc-dev] memory usage with GPUs

[Mark Adams]

Note, I wanted to use this for a Petsc code  that uses GPUs but not through
at Petsc.

So my case is a little odd and I did not expect support but I just wanted
to check.

On Wednesday, July 27, 2016, Karl Rupp <rupp at iue.tuwien.ac.at> wrote:

>
>    We (meanings someone) should add logging of GPU allocations separately.
>>
>
> Agreed. I'll do it (though not immediately, as there are other things with
> higher priority to make GPU support in PETSc more useful)
>
> Best regards,
> Karli
>
>
>>
>> On Jul 27, 2016, at 1:41 PM, Matthew Knepley <knepley at gmail.com> wrote:
>>>
>>> No, although since we mirror storage you could get an idea if you broke
>>> out the GPU vecs into a separate stage.
>>>
>>>     Matt
>>>
>>> On Wed, Jul 27, 2016 at 9:05 AM, Mark Adams <mfadams at lbl.gov> wrote:
>>> Would/could PETSc memory usage methods (PetscMemoryGetMaximumUsage) pick
>>> up GPU memory usage?
>>>
>>>
>>>
>>>
>>> --
>>> 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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