petsc-master 2018-05-23
Report Typos and Errors

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.

Keywords

KSP, GMRES, restart, iterations

See Also

KSPSetTolerances(), KSPGMRESSetOrthogonalization(), KSPGMRESSetPreAllocateVectors(), KSPGMRESGetRestart()

Level

intermediate

Location

src/ksp/ksp/impls/gmres/gmres.c

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