Ok thanks,
And looking at the actual tests that I am doing more carefully I am not
seeing much difference in the numbers that I care about with or without the
GPU timers.
And FWIW, from a user experience point of view, having -log_view present
you with a sea of nans by default is a bit
Mark,
Yes, Jed has already asked for ways to select certain operations at runtime
that would get timed via the GPU timer. I am not sure of the ideal way to
handle it. One possibility is PetscLogGpuTimeEvent(event number) which
indicates events you want the time logged for. Another is
On Tue, 17 May 2022 at 00:12, Matthew Knepley wrote:
> On Mon, May 16, 2022 at 9:59 AM Loic Gouarin <
> loic.goua...@polytechnique.edu> wrote:
>
>> Le 16/05/2022 à 21:54, Barry Smith a écrit :
>>
>>
>>
>> On May 16, 2022, at 3:50 PM, Loic Gouarin
>> wrote:
>>
>> Thanks Barry for your quick
I am not sure I understand the logic, we print the ratio of max/min.
I report max and look at the ratio to see if I might be catching some load
imbalance or whatever. Is there a problem with that workflow?
I assume there is or you would not have done this, so can I add a method
that I think also
On Mon, May 16, 2022 at 9:59 AM Loic Gouarin
wrote:
> Le 16/05/2022 à 21:54, Barry Smith a écrit :
>
>
>
> On May 16, 2022, at 3:50 PM, Loic Gouarin
> wrote:
>
> Thanks Barry for your quick reply.
> Le 16/05/2022 à 21:41, Barry Smith a écrit :
>
>
> Loic,
>
> From your code it looks like
Le 16/05/2022 à 21:54, Barry Smith a écrit :
On May 16, 2022, at 3:50 PM, Loic Gouarin
wrote:
Thanks Barry for your quick reply.
Le 16/05/2022 à 21:41, Barry Smith a écrit :
Loic,
From your code it looks like you are using a DM. Is it a DMDA or
a shell DM? If it is a DMDA then
> On May 16, 2022, at 3:50 PM, Loic Gouarin
> wrote:
>
> Thanks Barry for your quick reply.
>
> Le 16/05/2022 à 21:41, Barry Smith a écrit :
>>
>> Loic,
>>
>> From your code it looks like you are using a DM. Is it a DMDA or a shell
>> DM? If it is a DMDA then the process is intended
Thanks Barry for your quick reply.
Le 16/05/2022 à 21:41, Barry Smith a écrit :
Loic,
From your code it looks like you are using a DM. Is it a DMDA or a
shell DM? If it is a DMDA then the process is intended to be pretty
straightforward. PCTELESCOPE should create a new DMDA that has
Loic,
From your code it looks like you are using a DM. Is it a DMDA or a shell
DM? If it is a DMDA then the process is intended to be pretty straightforward.
PCTELESCOPE should create a new DMDA that has the same properties as the coarse
grid DMDA but lives on a smaller number of ranks.
Hello,
I could have posted my message on the user list but it seems to me that
it's more in the petsc development part. Don't hesitate to tell me if
I'm wrong.
I am developing a code called cafes that studies fluid-particle
interactions in a Stokes fluid. For that, we implemented the whole
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