petsc-3.14.6 2021-03-30
KSPGMRESSetRestart
Sets number of iterations at which GMRES, FGMRES and LGMRES restarts.
Synopsis
#include "petscksp.h"
PetscErrorCode KSPGMRESSetRestart(KSP ksp, PetscInt restart)
Logically Collective on ksp
Input Parameters
| ksp | - the Krylov space context
|
| restart | - integer restart value
|
Options Database
| -ksp_gmres_restart <positive integer> |
Note: The default value is 30.
See Also
KSPSetTolerances(), KSPGMRESSetOrthogonalization(), KSPGMRESSetPreAllocateVectors(), KSPGMRESGetRestart()
Level
intermediate
Location
src/ksp/ksp/impls/gmres/gmres.c
Examples
src/ksp/ksp/tutorials/ex71.c.html
Implementations
KSPGMRESSetRestart_FGMRES in src/ksp/ksp/impls/gmres/fgmres/fgmres.c
KSPGMRESSetRestart_GMRES in src/ksp/ksp/impls/gmres/gmres.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages