petsc-3.12.5 2020-03-29
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PCGAMGSetCoarseEqLim
Set maximum number of equations on coarsest grid.
Synopsis
#include "petscpc.h"
PetscErrorCode
PCGAMGSetCoarseEqLim
(
PC
pc,
PetscInt
n)
Collective on
PC
Input Parameters
pc
- the preconditioner context
n
- maximum number of equations to aim for
Options Database Key
-pc_gamg_coarse_eq_limit <limit>
- Notes: For example -pc_gamg_coarse_eq_limit 1000 will stop coarsening once the coarse grid has less than 1000 unknowns.
See Also
PCGAMGSetProcEqLim
()
Level
intermediate
Location
src/ksp/pc/impls/gamg/gamg.c
Implementations
PCGAMGSetCoarseEqLim_GAMG in src/ksp/pc/impls/gamg/gamg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages