[petsc-users] Partitioner in DMPlexDistribute

Cedric Doucet cedric.doucet at inria.fr
Fri Apr 4 07:33:47 CDT 2014


Hello, 
thank you very much for your answer. 
When do you plan to put this functionality in a stable release? 
Best, 
Cédric 

----- Mail original -----

> De: "Matthew Knepley" <knepley at gmail.com>
> À: "Cedric Doucet" <cedric.doucet at inria.fr>
> Cc: petsc-users at mcs.anl.gov
> Envoyé: Vendredi 4 Avril 2014 14:28:53
> Objet: Re: [petsc-users] Partitioner in DMPlexDistribute

> On Fri, Apr 4, 2014 at 6:09 AM, Cedric Doucet < cedric.doucet at inria.fr >
> wrote:

> > Hello,
> 

> > I have just downloaded Petsc 3.4.4 and I have looked at plex.c file.
> 
> > In DMPlexDistribute, I cannot see where "partitioner" input argument is
> > used.
> 

> > Is METIS used by default?
> 

> In 3.4.4, the name is just a placeholder, and it users Chaco by default, and
> then ParMetis.
> In master, it does use the name to select the preconditioner. If you use
> Plex, I recommend
> using master.

> Thanks,

> Matt

> > Best regards,
> 

> > Cédric Doucet
> 
> > INRIA Paris-Rocquencourt
> 
> > France
> 

> --
> 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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