[petsc-users] DMPlex Distribution

[Matthew Knepley]

On Tue, Sep 17, 2019 at 9:27 AM Mohammad Hassan via petsc-users <
petsc-users at mcs.anl.gov> wrote:

> Hi
>
> I am using DMPlexCreateFromDAG() to construct my DM. Is it possible to set
> the distribution across processors manually. I mean, how can I set the
> share of dm on each rank (local)?
>
>
You could make a Shell partitioner and tell it the entire partition:


https://www.mcs.anl.gov/petsc/petsc-master/docs/manualpages/DMPLEX/PetscPartitionerShellSetPartition.html

However, I would be surprised if you could do this. It is likely that you
just want to mess with the weights in ParMetis.

  Thanks,

    Matt


> Thanks
>
> Amir
>


-- 
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

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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