On Wed, Jan 25, 2012 at 12:29 PM, Dominik Szczerba <dominik at itis.ethz.ch>wrote:
> >> I recently realized that, independently of my explicitly partitioning > >> the input mesh, Petsc also employs partitioning somewhere internally. > > > > > > We don't unless you tell us to. > > Can you please expand? I am partitioning my input unstructured mesh to > distribute dofs throughout the processes, and then I am setting up my > MPI matricess "as usual", not intending any calls to parmetis or other > partitioning functions... So where can I tell or not tell Petsc to use > partitioning here or not? > Unless you create a MatPartitioning object, we do not call ParMetis. Matt > Many thanks > Dominik > -- 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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120125/3db9f471/attachment.htm>
