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 original partitioning. For each local node this tells the processor number that that node is assigned to.

Options Database Key#

-mat_partitioning_improve - improve the quality of the given partition

See Also#

Matrices, Mat, MatPartitioning, MatPartitioningType, MatPartitioningApply(), MatPartitioningCreate(), MatPartitioningDestroy(), MatPartitioningSetAdjacency(), ISPartitioningToNumbering(), ISPartitioningCount()

Level#

beginner

Location#

src/mat/partition/partition.c

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