dolfin team mailing list archive

[Kent-Andre Mardal <kent-and@xxxxxxxxx>]

On 4 April 2011 11:25, Garth N. Wells <gnw20@xxxxxxxxx> wrote:

>
>
> On 04/04/11 09:49, Kent-Andre Mardal wrote:
> > I have a unit test that I can include.
> >
> > BTW: A couple of issues concerning this patch.
> >
> > 1. I have used a std::map for a global -> local mapping. I don't know if
> > this
> >     the most efficient thing to do, but it is certainly convenient.
> >
>
> boost::unordered_map is another possibility.
>

I need to search through it afterwards so I think it is an advantage if it
is
ordered.


>
> > 2. The boundary indicators are read on every process because these
> >     arrays are small. Their dimensions are the number of cells on the
> > boundary.
> >
>
> This isn't scalable - we would need an enhanced alternative.
>
> Garth
>
>
Sure, but it is still the fastest thing to do when the number of processors
are small (I think).

Kent


> >
> > On 4 April 2011 10:20, Garth N. Wells <gnw20@xxxxxxxxx
> > <mailto:gnw20@xxxxxxxxx>> wrote:
> >
> >     I would prefer to not apply this just yet. I'm in the process if
> >     re-factoring some aspects of parallel mesh functionality. Some
> classes
> >     and functions have gotten out of hand.
> >
> >     Register a branch and a merge request so that it doesn't get
> forgotten.
> >     Unit tests are also required before patches will be applied.
> >
> >     Garth
> >
> >
> >
> >     On 04/04/11 07:52, Kent-Andre Mardal wrote:
> >     >
> >     > Please consider the attached patch.
> >     >
> >     > Kent
> >     >
> >     >
> >     >
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