GMRES/FGMRES and KSP_NORM_NO

[Barry Smith]

On Wed, 29 Aug 2007, Lisandro Dalcin wrote:

> On 8/29/07, Barry Smith <bsmith at mcs.anl.gov> wrote:
> >  You could perhaps an additional option
> > -ksp_convergence_test <skip,default>
> > if you like that allows turning it off from the command line.
> 
> You are completely right, I'll add this on petsc-dev.
> 
> Now, other issue, regarding this adition. Currently, passing
> '-ksp_norm_type NO' ALSO set KSPSkipConverged. Should I remove that?

  No, I think it should remain the same. 

   Barry

> The 'correct way' for both features would be
> 
> $ XXX -ksp_norm_type NO -ksp_convergence_test skip
> 
> Sounds this fine?
> 
> 
> >
> > On Wed, 29 Aug 2007, Lisandro Dalcin wrote:
> >
> > > GMRES and FGMRES generate an error if the user sets KSP_NORM_NO? Is
> > > this really needed?
> > >
> > > Curently using option '-ksp_norm_type NO' is handy, as it implies
> > > KSPSkipConverged being set.
> > >
> > >
> >
> >
> 
> 
>