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#
Implementations#
MatPartitioningImprove_Hierarchical() in src/mat/graphops/partition/impls/hierarchical/hierarchical.c
MatPartitioningImprove_Parmetis() in src/mat/graphops/partition/impls/pmetis/pmetis.c
Index of all MatGraphOperations routines
Table of Contents for all manual pages
Index of all manual pages