PCBGSSetTotalBlocks
Sets the global number of blocks for the block Gauss-Seidel (BGS) preconditioner.
Synopsis
int PCBGSSetTotalBlocks(PC pc, int blocks,int *lens)
Collective on
PC
Input Parameters
pc | - the preconditioner context
|
blocks | - the number of blocks
|
lens | - [optional] integer array containing the size of each block
|
Options Database Key
-pc_bgs_blocks <blocks> -Sets the number of global blocks
Notes
Currently only a limited number of blocking configurations are supported.
All processors sharing the PC must call this routine with the same data.
Keywords
set, number, BGS, gauss-seidel, global, total, blocks
See Also
PCBGSSetUseTrueLocal(), PCBGSSetLocalBlocks()
Location: src/pc/impls/bjacobi/bjacobi.c
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