[Carpet] Changes to regridding

[Bela Szilagyi]

This parameter seems to have helped.

Thanks.


On Thursday 04 May 2006 17:19, Erik Schnetter wrote:
> Maybe.  The parameter means that Carpet restarts with the number of
> refinement levels present in the checkpointing file, instead of the
> number given in the parameter file.  The parameter is due to
> Christian Ott.
>
> -erik
>
> On May 4, 2006, at 09:50:48, Bela Szilagyi wrote:
> > No, I am not using it. Am I supposed to?
> >
> > On Thursday 04 May 2006 16:30, Erik Schnetter wrote:
> > > Are you using "CarpetIOHDF5::use_reflevels_from_checkpoint"?
> > >
> > >
> > >
> > > -erik
> > >
> > > On May 4, 2006, at 09:19:24, Bela Szilagyi wrote:
> > > > For a few days now I am systematically being bit by this issue. I
> > > >
> > > > have a
> > > >
> > > > simulation where, on the fly, I am dropping the finest level.
> > > >
> > > >
> > > >
> > > > The recovery, using the original parfile, fails. The "solution" is
> > > >
> > > > to edit
> > > >
> > > > the parfile and lower the parameter value for refinement levels.
> > > >
> > > >
> > > >
> > > > Is there a better solution than having to edit the parfile between
> > > >
> > > > checkpoint
> > > >
> > > > and recovery?
> > > >
> > > > On Monday 01 May 2006 14:14, Erik Schnetter wrote:
> > > >>> Not mentioning that it is possible to get core dumps by
> >
> > trying to
> >
> > > >>> change the
> > > >>>
> > > >>> grid-structure at recovery,
> > > >>
> > > >> Hm. You are not really supposed to do that. Carpet has
> >
> > currently a
> >
> > > >> missing feature, namely that it does not store the grid
> >
> > structure in
> >
> > > >> the checkpoint file. It is therefore necessary to specify the
> > > >>
> > > >> correct grid structure in the parameter file that you use to
> > > >>
> > > >> recover. It is, within certain bounds, possible to change the
> >
> > grid
> >
> > > >> structure (e.g. having fewer levels), but that was not originally
> > > >>
> > > >> intended and is not really supported. It is also not strictly
> > > >>
> > > >> necessary, since there will be a regridding step after
> >
> > recovering and
> >
> > > >> before the next time step.
> > > >
> > > > --
> > > >
> > > > Bela Szilagyi
> > > >
> > > > ----------------------------------------------------
> > > >
> > > > Max-Planck-Institut für Gravitationsphysik
> > > >
> > > > Albert-Einstein-Institut
> > > >
> > > > Tel: +49 331 567 7632
> > > >
> > > > Fax: +49 331 567 7649
> > > >
> > > > ----------------------------------------------------
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > >
> > > > developers mailing list
> > > >
> > > > developers at lists.carpetcode.org
> > > >
> > > > http://lists.carpetcode.org/listinfo/developers
> >
> > --
> >
> > Bela Szilagyi
> >
> > ----------------------------------------------------
> >
> > Max-Planck-Institut für Gravitationsphysik
> >
> > Albert-Einstein-Institut
> >
> > Tel: +49 331 567 7632
> >
> > Fax: +49 331 567 7649
> >
> > ----------------------------------------------------
> >
> >
> > _______________________________________________
> > developers mailing list
> > developers at lists.carpetcode.org
> > http://lists.carpetcode.org/listinfo/developers

-- 
Bela Szilagyi
----------------------------------------------------
Max-Planck-Institut für Gravitationsphysik
Albert-Einstein-Institut
Tel: +49 331 567 7632
Fax: +49 331 567 7649
----------------------------------------------------