petsc-3.8.4 2018-03-24
MatPartitioningPTScotchSetImbalance
Sets the value of the load imbalance ratio to be used during strategy selection.
Synopsis
#include "petscmat.h"
PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning part,PetscReal imb)
Collective on MatPartitioning
Input Parameters
| part | - the partitioning context
|
| imb | - the load imbalance ratio
|
Options Database
-mat_partitioning_ptscotch_imbalance <imb> -
Note:
Must be in the range [0,1]. The default value is 0.01.
See Also
MatPartitioningPTScotchSetStrategy(), MatPartitioningPTScotchGetImbalance()
Level:advanced
Location:src/mat/partition/impls/scotch/scotch.c
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages