PETSCPARTITIONERPTSCOTCH

“ptscotch” - A PetscPartitioner object using the PT-Scotch library

Options Database Keys

• -petscpartitioner_ptscotch_strategy - PT-Scotch strategy. Choose one of default quality speed balance safety scalability recursive remap

• -petscpartitioner_ptscotch_imbalance - Load imbalance ratio

Notes: when the graph is on a single process, this partitioner actually uses Scotch and not PT-Scotch

See Also

PetscPartitionerType, PetscPartitionerCreate(), PetscPartitionerSetType()

Level

intermediate

Location

src/dm/partitioner/impls/ptscotch/partptscotch.c

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Index of all DM routines
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