MatPartitioningImprove#
Improves the quality of a given partition.
Synopsis#
#include "petscmat.h"
PetscErrorCode MatPartitioningImprove(MatPartitioning matp, IS *partitioning)
Collective
Input Parameters#
matp - the matrix partitioning object
partitioning - the partitioning. For each local node this tells the processor number that that node is assigned to.
Output Parameters#
partitioning - the partitioning. For each local node this tells the processor number that that node is assigned to.
Options Database Keys#
To improve the quality of the partition
-mat_partitioning_improve
See Also#
MatPartitioning
, MatPartitioningType
, MatPartitioningApply()
, MatPartitioningCreate()
,
MatPartitioningDestroy()
, MatPartitioningSetAdjacency()
, ISPartitioningToNumbering()
,
ISPartitioningCount()
Level#
beginner
Location#
Implementations#
MatPartitioningImprove_Hierarchical in src/mat/partition/impls/hierarchical/hierarchical.c
MatPartitioningImprove_Parmetis in src/mat/partition/impls/pmetis/pmetis.c
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages