PCBJacobiSetLocalBlocks#
Sets the local number of blocks for the block Jacobi, PCBJACOBI,  preconditioner.
Synopsis#
#include "petscpc.h" 
PetscErrorCode PCBJacobiSetLocalBlocks(PC pc, PetscInt blocks, const PetscInt lens[])
Not Collective
Input Parameters#
- pc - the preconditioner context 
- blocks - the number of blocks 
- lens - [optional] integer array containing size of each block 
Options Database Key#
- -pc_bjacobi_local_blocks - - Sets the number of local blocks
Note#
Currently only a limited number of blocking configurations are supported.
See Also#
KSP: Linear System Solvers, PCBJACOBI, PCSetUseAmat(), PCBJacobiSetTotalBlocks()
Level#
intermediate
Location#
Implementations#
PCBJacobiSetLocalBlocks_BJacobi() in src/ksp/pc/impls/bjacobi/bjacobi.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages