EPSArnoldiSetDelayed#
Activates or deactivates delayed reorthogonalization in the Arnoldi iteration.
Synopsis#
#include "slepceps.h"
PetscErrorCode EPSArnoldiSetDelayed(EPS eps,PetscBool delayed)
Logically Collective
Input Parameters#
eps - the eigenproblem solver context
delayed - boolean flag
Options Database Key#
-eps_arnoldi_delayed - Activates delayed reorthogonalization in Arnoldi
Note#
Delayed reorthogonalization is an aggressive optimization for the Arnoldi eigensolver than may provide better scalability, but sometimes makes the solver converge less than the default algorithm.
See Also#
EPSArnoldiGetDelayed()
Level#
advanced
Location#
Implementations#
EPSArnoldiSetDelayed_Arnoldi() in src/eps/impls/krylov/arnoldi/arnoldi.c
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