dolfin team mailing list archive

["Garth N. Wells" <g.n.wells@xxxxxxxxxx>]

Anders Logg wrote:
> On Mon, Jan 15, 2007 at 05:58:46PM +0100, Garth N. Wells wrote:
> > Anders Logg wrote:
> > > On Thu, Dec 07, 2006 at 01:12:41AM +0100, Garth N. Wells wrote:
> > >
> > > > > > I'll add shortly the possibility to run the Cuthill-McKee over the map 
> > > > > > and reorder it. This will be an option.
> > > > > What is Cuthill-McKee?
> > > > It's the most common reordering algorithm. It will probably improve the 
> > > > sparse matrix performance.
> > > How about using the Boost Graph Library for this?
> > >
> > >     http://www.boost.org/libs/graph/doc/table_of_contents.html
> > >     http://www.boost.org/libs/graph/doc/cuthill_mckee_ordering.html
> > >
> > > We already have a boost dependence so another one is no problem.
> > Sure, if it's in Boost I'd much rather use it than implement it myself.
>
> I've started looking at it and might commit something tonight.

OK, I'll wait.

> > I will start with a class Assembler soon. This is related in some ways 
> > to DofMap, matrix layout, reuse, etc. We could then create a class 
> > "pAssembler" for experimental parallel assembly which should eventually 
> > merge back into Assembler.
> >
> > Garth
>
> I'm also about to start working on an Assembler class that works with
> the UFC generated code. Should we work together on the new Assembler
> class? Alternatively, I could open a separate UFCAssembler class (to
> be merged)?

How far away are you from adding UFCAssembler?

Garth

> /Anders
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