PCSPAISetCacheSize#

specify cache size in the PCSPAI preconditioner

Synopsis#

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

Input Parameters#

pc - the preconditioner
cache_size - 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.

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
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Index of all manual pages