KSPGMRESSetRestart
Sets the number of search directions for GMRES and FGMRES before restart.
Synopsis
int KSPGMRESSetRestart(KSP ksp,int max_k)
Collective on KSP
Input Parameters
| ksp | - the iterative context
|
| max_k | - the number of directions
|
Options Database Key
-ksp_gmres_restart <max_k> -Sets max_k
Note
The default value of max_k = 30.
Keywords
KSP, GMRES, set, restart
See Also
KSPGMRESSetOrthogonalization(), KSPGMRESSetPreallocateVectors()
Level:intermediate
Location:src/sles/ksp/impls/gmres/gmres2.c
Index of all KSP routines
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