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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Index of all manual pages