petsc-3.10.5 2019-03-28
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_DEFAULT - Default behavior
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
Implementations
MatPartitioningPTScotchSetStrategy_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