PCGAMGMISkSetAggressive

Number (k) distance in MIS coarsening (>2 is ‘aggressive’)

Synopsis

#include "petscpc.h" 
PetscErrorCode PCGAMGMISkSetAggressive(PC pc, PetscInt n)

Logically Collective

Input Parameters

• pc - the preconditioner context

• n - 1 or more (default = 2)

Options Database Key

• -pc_gamg_aggressive_mis_k <n,default=2> - Number (k) distance in MIS coarsening (>2 is ‘aggressive’)

See Also

the Users Manual section on PCGAMG, the Users Manual section on PCMG, KSP: Linear System Solvers, PCGAMG, PCGAMGSetThreshold(), PCGAMGSetAggressiveLevels(), PCGAMGSetAggressiveSquareGraph(), PCGAMGMISkSetMinDegreeOrdering(), PCGAMGSetLowMemoryFilter()

Level

intermediate

Location

src/ksp/pc/impls/gamg/agg.c

Implementations

PCGAMGMISkSetAggressive_AGG() in src/ksp/pc/impls/gamg/agg.c

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