PCSPAISetCacheSize

specify cache size in the PCSPAI preconditioner

Synopsis

#include "petscpc.h" 
PetscErrorCode PCSPAISetCacheSize(PC pc, PetscInt cache_size)

Input Parameters

• pc - the preconditioner

• n - cache size {0,1,2,3,4,5} (default 5)

Note

PCSPAI 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

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