petsc-dev 2014-07-21
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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