[petsc-dev] proposed minor PetscPartitioner changes

[Eric Chamberland]

Anyone have something to say about this?

Thanks,

Eric

On 2022-07-06 22:32, Eric Chamberland wrote:
>
> Hi,
>
> I was looking for PetscPartitionerSetOptionsPrefix function, but only 
> found this post mentioning it.
>
> I was "blindly" coding with in mind the possibility to manage 
> different options for partitioning different meshes for the same 
> global computation, so I thought each PetscPartitionner would be able 
> to have his own prefixe...
>
> Do you think it is feasible to add this feature?...
>
> ...or does it exist under another name?
>
> Thanks,
>
> Eric
>
> On 2017-11-06 08:09, Vaclav Hapla wrote:
>> Hello
>>
>> The whole PetscPartitioner class sources are part of src/dm/impls/plex/plexpartition.c, mixed together with some DMPlex* functions.
>> If you don't mind, I would move the PetscPartitioner* stuff into the separate file petscpartitioner.c
>> (in future, it could be even moved to a separate directory).
>>
>> I would also like to
>> * add PetscPartitioner{Add,Set,Get}OptionsPrefix,
>> * create the partitioner lazily in DMPlexGetPartitioner, followed by PetscObjectIncrementTabLevel, PetscLogObjectParent and PetscPartitionerSetOptionsPrefix calls,
>> * edit src/dm/impls/plex/examples/tutorials/ex5.c so that it calls DMSetFromOptions right after DMPlexCreateFromFile, in order to make the partitioner changeable from options.
>>
>> Do you have anything against?
>>
>> Vaclav
> -- 
> Eric Chamberland, ing., M. Ing
> Professionnel de recherche
> GIREF/Université Laval
> (418) 656-2131 poste 41 22 42

-- 
Eric Chamberland, ing., M. Ing
Professionnel de recherche
GIREF/Université Laval
(418) 656-2131 poste 41 22 42
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