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/graphops/partition/partition.c

Implementations

MatPartitioningImprove_Hierarchical() in src/mat/graphops/partition/impls/hierarchical/hierarchical.c
MatPartitioningImprove_Parmetis() in src/mat/graphops/partition/impls/pmetis/pmetis.c

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