petsc-3.5.1 2014-08-06
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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
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages