MatPartitioningPTScotchSetStrategy#
Sets the strategy to be used in PTScotch.
Synopsis#
#include "petscmat.h" 
PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning part, MPPTScotchStrategyType strategy)
Collective
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 Key#
- -mat_partitioning_ptscotch_strategy [quality,speed,balance,safety,scalability] - strategy 
Note#
The default is MP_SCOTCH_QUALITY. See the PTScotch documentation for more information.
See Also#
MATPARTITIONINGSCOTCH, MatPartitioningPTScotchSetImbalance(), MatPartitioningPTScotchGetStrategy()
Level#
advanced
Location#
Implementations#
MatPartitioningPTScotchSetStrategy_PTScotch() in src/mat/graphops/partition/impls/scotch/scotch.c
Index of all MatGraphOperations routines
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Index of all manual pages