PCAIRGetProcessorAgglom

Returns whether PCAIR uses a graph partitioner to repartition coarse grids and reduce the number of active MPI ranks

Synopsis

PETSC_EXTERN PetscErrorCode PCAIRGetProcessorAgglom(PC pc, PetscBool *input_bool)

Not Collective

Input Parameter

• pc - the PCAIR preconditioner context

Output Parameter

• input_bool - PETSC_TRUE if the coarse grids are repartitioned onto fewer MPI ranks as the hierarchy coarsens

See Also

KSP: Linear System Solvers, PCAIR, PCAIRSetProcessorAgglom(), PCAIRGetProcessorAgglomRatio(), PCAIRGetProcessorAgglomFactor(), PCAIRGetProcessEqLimit()

Level

advanced

Index of all PC routines
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Index of all manual pages