[petsc-dev] proposed minor PetscPartitioner changes

[Lisandro Dalcin]

On 6 November 2017 at 16:37, Matthew Knepley <knepley at gmail.com> wrote:
> On Mon, Nov 6, 2017 at 8:34 AM, Smith, Barry F. <bsmith at mcs.anl.gov> wrote:
>>
>>    MatPartitioning is NOT about partitioning MATRICES it is about
>> partitioning GRAPHS, so it can support anything related to graphs including
>> dual graphs etc. Again, you didn't even try to extend/improve MatPartioning
>> you just wrote all your own duplicative code, and not even particularly
>> well.
>
>
> By "not particularly well, I assume there is some sort of deficiency there.
> However, I do not believe that there is.
>

The only concern I have about PetscPartitioner is that the API depends
on DM (PetscPartitionerPartition_<TYPE> routines). Maybe
PetscPartitioner should eventually move to became more agnostic, and
that way it can be used to partition matrices and meshes.


-- 
Lisandro Dalcin
============
Research Scientist
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