PCGAMGSetCoarseGridLayoutType#
place coarse grids on processors with natural order (compact type)
Synopsis#
#include "petscpc.h" 
#include "petscksp.h" 
PetscErrorCode PCGAMGSetCoarseGridLayoutType(PC pc, PCGAMGLayoutType flg)
Collective
Input Parameters#
- pc - the preconditioner context 
- flg - - PCGAMGLayoutTypetype, either- PCGAMG_LAYOUT_COMPACTor- PCGAMG_LAYOUT_SPREAD
Options Database Key#
- -pc_gamg_coarse_grid_layout_type - place the coarse grids with natural ordering 
See Also#
the Users Manual section on PCGAMG, the Users Manual section on PCMG, KSP: Linear System Solvers, PCGAMG, PCGAMGSetParallelCoarseGridSolve(), PCGAMGSetCpuPinCoarseGrids(), PCGAMGLayoutType, PCGAMG_LAYOUT_COMPACT, PCGAMG_LAYOUT_SPREAD
Level#
intermediate
Location#
Implementations#
PCGAMGSetCoarseGridLayoutType_GAMG() in src/ksp/pc/impls/gamg/gamg.c
Index of all PC routines
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Index of all manual pages