petsc-3.14.6 2021-03-30
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KSPPIPEFCGSetNprealloc
set the number of directions to preallocate with PIPEFCG
Synopsis
#include "petscksp.h"
PetscErrorCode
KSPPIPEFCGSetNprealloc
(
KSP
ksp,
PetscInt
nprealloc)
Logically Collective on ksp
Input Parameters
ksp
- the Krylov space context
nprealloc
- the number of vectors to preallocate
Options Database
-ksp_pipefcg_nprealloc <N>
See Also
KSPPIPEFCG
,
KSPPIPEFCGSetTruncationType
(),
KSPPIPEFCGGetNprealloc
()
Level
advanced
Location
src/ksp/ksp/impls/fcg/pipefcg/pipefcg.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages