MatPartitioningChacoSetEigenSolver#

Set the eigensolver method for Chaco partitioner.

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning part, MPChacoEigenType method)

Collective

Input Parameters#

  • part - the partitioning context

  • method - one of MP_CHACO_LANCZOS or MP_CHACO_RQI

Options Database Key#

  • -mat_partitioning_chaco_eigen_solver - the eigensolver

Note#

The default is to use a Lanczos method. See Chaco documentation for details.

See Also#

MatPartitioningType, MatPartitioning, MATPARTITIONINGCHACO, MatPartitioningChacoSetEigenTol(), MatPartitioningChacoSetEigenNumber(), MatPartitioningChacoGetEigenSolver()

Level#

advanced

Location#

src/mat/partition/impls/chaco/chaco.c

Implementations#

MatPartitioningChacoSetEigenSolver_Chaco() in src/mat/partition/impls/chaco/chaco.c

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