PCGAMGMISkSetMinDegreeOrdering

Use minimum degree ordering in greedy MIS algorithm

Synopsis

#include "petscpc.h" 
PetscErrorCode PCGAMGMISkSetMinDegreeOrdering(PC pc, PetscBool b)

Logically Collective

Input Parameters

• pc - the preconditioner context

• b - default true

Options Database Key

• -pc_gamg_mis_k_minimum_degree_ordering <bool,default=true> - Use minimum degree ordering in greedy MIS algorithm

See Also

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

Level

intermediate

Location

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

Examples

src/ksp/ksp/tutorials/ex56.c

Implementations

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

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