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
Input Parameters#
part - the partitioning context
imb - the load imbalance ratio
Options Database Key#
-mat_partitioning_ptscotch_imbalance
- set load imbalance ratio
Note#
Must be in the range [0,1]. The default value is 0.01.
See Also#
MATPARTITIONINGSCOTCH, MatPartitioningPTScotchSetStrategy(), MatPartitioningPTScotchGetImbalance()
Level#
advanced
Location#
Implementations#
MatPartitioningPTScotchSetImbalance_PTScotch() in src/mat/graphops/partition/impls/scotch/scotch.c
Index of all MatGraphOperations routines
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Index of all manual pages