PCBDDCSetLevels#

Sets the maximum number of additional levels allowed for multilevel PCBDDC

Synopsis#

#include "petscpc.h" 
PetscErrorCode PCBDDCSetLevels(PC pc, PetscInt levels)

Logically Collective

Input Parameters#

  • pc - the preconditioning context

  • levels - the maximum number of levels

Options Database Key#

  • -pc_bddc_levels - Set maximum number of levels for multilevel

Note#

The default value is 0, that gives the classical two-levels BDDC algorithm

See Also#

KSP: Linear System Solvers, PCBDDC, PCBDDCSetCoarseningRatio()

Level#

intermediate

Location#

src/ksp/pc/impls/bddc/bddc.c

Implementations#

PCBDDCSetLevels_BDDC() in src/ksp/pc/impls/bddc/bddc.c


Index of all PC routines
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Index of all manual pages