[Carpet] Changes to regridding

[Erik Schnetter]

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


-- 
Erik Schnetter <schnetter at cct.lsu.edu>

My email is as private as my paper mail.  I therefore support encrypting
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