Re: [pooma-dev] Sparse Engine

[Richard Guenther]

On Fri, 26 Sep 2003, Jean Marshall wrote:

> Hi guys:
>
> John and I are starting to write a sparse engine -- for sparse storage of
> our material-dependent fields.  We think we have come up with an
> optimization for our Eulerian code that should really make it scream.  We
> have been studying the IndirectionEngine example, which is very similar to
> what we need.

Can you elaborate some more on the use and principle of this engine? Is it
like compressed brick?

Richard.

>
> Unfortunately, the IndirectionEngine example problem, indirect_test1.cpp,
> only demonstrates how to build the engine, not an array or a field.  Could
> someone please show us how to move forward with this example to building a
> complete array and field version?
>
> Unlike the IndirectionEngine example, we only need local communications
> (not all-to-all) along with the same type of guard cell update found in a
> normal field.
>
> Any help will be greatly appreciated!
>
> Jean, John, Don
>
> Jean and Don Marshall
>
> 84250 Indio Springs Dr #291
> Indio, CA 92203-3413
>
> 760-775-1576  home
> 760-574-0182  Jean's cell
> 760-574-0192  Don's cell
>
>

--
Richard Guenther <richard dot guenther at uni-tuebingen dot de>
WWW: http://www.tat.physik.uni-tuebingen.de/~rguenth/