PetscPartitionerDMPlexPartition

Create a non-overlapping partition of the cells in the mesh

Synopsis

#include "petscdmplex.h"   
PetscErrorCode PetscPartitionerDMPlexPartition(PetscPartitioner part, DM dm, PetscSection targetSection, PetscSection partSection, IS *partition)

Collective

Input Parameters

• part - The PetscPartitioner

• targetSection - The PetscSection describing the absolute weight of each partition (can be NULL)

• dm - The mesh DM

Output Parameters

• partSection - The PetscSection giving the division of points by partition

• partition - The list of points by partition

Note

If the DM has a local section associated, each point to be partitioned will be weighted by the total number of dofs identified by the section in the transitive closure of the point.

See Also

DMPlex: Unstructured Grids, DM, DMPLEX, PetscPartitioner, PetscSection, DMPlexDistribute(), PetscPartitionerCreate(), PetscSectionCreate(), PetscSectionSetChart(), PetscPartitionerPartition()

Level

developer

Location

src/dm/impls/plex/plexpartition.c

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Index of all DMPlex routines
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Index of all manual pages