petsc-3.14.6 2021-03-30
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PCSPAISetCacheSize
specify cache size in the SPAI preconditioner
Synopsis
#include "petscpc.h"
PetscErrorCode
PCSPAISetCacheSize
(
PC
pc,int cache_size)
Input Parameters
pc
- the preconditioner
n
- cache size {0,1,2,3,4,5} (default 5)
Notes
SPAI uses a hash table to cache messages and avoid redundant communication. If suggest always using 5. This parameter is irrelevant in the serial version.
See Also
PCSPAI
,
PCSetType
()
Level
intermediate
Location
src/ksp/pc/impls/spai/ispai.c
Implementations
PCSPAISetCacheSize_SPAI in src/ksp/pc/impls/spai/ispai.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages