KSPMonitorRange

Prints the percentage of residual elements that are more then 10 percent of the maximum value.

Synopsis

#include "petscksp.h" 
PetscErrorCode PETSCKSP_DLLEXPORT KSPMonitorRange(KSP ksp,PetscInt it,PetscReal rnorm,void *dummy)
Collective on KSP

Input Parameters

ksp - iterative context
it - iteration number
rnorm - 2-norm (preconditioned) residual value (may be estimated).
dummy - unused monitor context

Options Database Key

-ksp_monitor_range -Activates KSPMonitorRange()

Notes

When using either ICC or ILU preconditioners in BlockSolve95 (via MATMPIROWBS matrix format), then use this monitor will print both the residual norm associated with the original (unscaled) matrix.

Keywords

KSP, default, monitor, residual

See Also

KSPMonitorSet(), KSPMonitorDefault(), KSPMonitorLGCreate()

Level:intermediate
Location:
src/ksp/ksp/interface/iterativ.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages