petsc-3.13.6 2020-09-29

MatPartitioningImprove

Improves the quality of a given partition.

#include "petscmat.h" 
PetscErrorCode  MatPartitioningImprove(MatPartitioning matp,IS *partitioning)

Collective on Mat

	matp	- the matrix partitioning object
	partitioning	- the partitioning. For each local node this tells the processor number that that node is assigned to.

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

To improve the quality of the partition

   -mat_partitioning_improve

beginner