petsc-master 2019-09-17
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PetscPartitionerPartition

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

Synopsis

#include "petscdmplex.h"   
PetscErrorCode PetscPartitionerPartition(PetscPartitioner part, DM dm, PetscSection partSection, IS *partition)
Collective on dm

Input Parameters

part - The PetscPartitioner
dm - The mesh DM

Output Parameters

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

Options Database

-petscpartitioner_view_graph -View the graph we are partitioning

Note: Instead of cells, points at a given height can be partitioned by calling PetscPartitionerSetPointHeight()

See Also

DMPlexDistribute(), PetscPartitionerSetPointHeight(), PetscPartitionerCreate()

Level

developer

Location

src/dm/impls/plex/plexpartition.c

Implementations

PetscPartitionerPartition_MatPartitioning in src/dm/impls/plex/petscpartmatpart.c
PetscPartitionerPartition_Shell in src/dm/impls/plex/plexpartition.c
PetscPartitionerPartition_Simple in src/dm/impls/plex/plexpartition.c
PetscPartitionerPartition_Gather in src/dm/impls/plex/plexpartition.c
PetscPartitionerPartition_Chaco in src/dm/impls/plex/plexpartition.c
PetscPartitionerPartition_ParMetis in src/dm/impls/plex/plexpartition.c
PetscPartitionerPartition_PTScotch in src/dm/impls/plex/plexpartition.c

Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages