dolfin team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

Garth N. Wells wrote:
> Johan Hoffman wrote:
> > > Anders Logg wrote:
> > > > On Tue, Jun 17, 2008 at 02:45:41PM +0100, Garth N. Wells wrote:
> > > > > It would be useful to lay out a plan for tackling DofMaps. Getting this
> > > > > right is the key to parallel assembly, assembly optimisations and
> > > > > applying Dirichlet boundary conditions by eliminating Dirichlet dofs
> > > > > from the global system.
> > > > >
> > > > > I'm happy to take a look, but I'll need some time because I've lost my
> > > > > overview of DofMaps. If someone else is already on top of it, I'd be
> > > > > happy to provide feedback.
> > > > >
> > > > > Garth
> > > > I won't have time to look at it until after the summer and I haven't
> > > > started.
> > > >
> > > > Anyway, I think we should wait until after the next release until we
> > > > start messing with the dof maps.
> > > >
> > > > Are there any issues we need to sort out before releasing 0.8? I'm
> > > > thinking about a new release some time this or next week.
> > > >
> > > > One is to fix the bug in DirichletBC, but other than that?
> > > Now would be a good time for a release so I can start messing with
> > > DofMaps.
> > >
> > > Garth
> > Has anything more been done about the DofMap design? During the summer
> > Niclas has extended to general elements his adaptive algorithm for
> > distributed parallel computing, so we are now ready to start messing with
> > the DofMaps in order to implement his algorithm in DOLFIN.
>
> It has been given some thought, but no changes have been made in the 
> code yet. 


I take that back - Anders has started on the code within the past day.

Garth

If you have something already, I would suggest making it
> publicly available somewhere for feedback before starting work on DOLFIN.
>
> Garth
>
>
> > I see Anders report referenced in the code, where the mapping scheme
> > described is fairly close to what Niclas has implemented, although there
> > are some differences. We will sit down today to sum up what we think needs
> > to be done, and then we can discuss this on the mailing list.
> >
> > /Johan
>
>
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