petsc-3.5.2 2014-09-08
Report Typos and Errors

MatPartitioningPTScotchSetStrategy

Sets the strategy to be used in PTScotch.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning part,MPPTScotchStrategyType strategy)
Collective on MatPartitioning

Input Parameters

part - the partitioning context
strategy - the strategy, one of
     MP_PTSCOTCH_QUALITY     - Prioritize quality over speed
     MP_PTSCOTCH_SPEED       - Prioritize speed over quality
     MP_PTSCOTCH_BALANCE     - Enforce load balance
     MP_PTSCOTCH_SAFETY      - Avoid methods that may fail
     MP_PTSCOTCH_SCALABILITY - Favor scalability as much as possible

Options Database

-mat_partitioning_ptscotch_strategy [quality,speed,balance,safety,scalability] -strategy

Notes

The default is MP_SCOTCH_QUALITY. See the PTScotch documentation for more information.

See Also

MatPartitioningPTScotchSetImbalance(), MatPartitioningPTScotchGetStrategy()

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