PCPARMSSetSolveRestart — PETSc 3.25.4 documentation

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# PCPARMSSetSolveRestart

Sets the number of iterations at which the inner GMRES solver restarts.

## Synopsis

    #include "petscpc.h"
    PetscErrorCode PCPARMSSetSolveRestart(PC pc, PetscInt restart)

Collective

## Input Parameters

- pc - the preconditioner context

- restart - maximum dimension of the Krylov subspace

## Options Database Key

- -pc_parms_max_dim - sets the inner Krylov dimension

## Note

See the pARMS function parms_PCSetInnerKSize for more information.

## See Also

KSP: Linear System Solvers, `PCPARMS`, `PCPARMSSetSolveTolerances()`

## Level

intermediate

## Location

src/ksp/pc/impls/parms/parms.c

## Implementations

PCPARMSSetSolveRestart_PARMS() in src/ksp/pc/impls/parms/parms.c

Index of all PC routines
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Index of all manual pages