petsc-3.13.6 2020-09-29
Report Typos and Errors

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

Implementations

MatPartitioningPTScotchSetImbalance_PTScotch in src/mat/partition/impls/scotch/scotch.c

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