dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Tue, Jun 29, 2010 at 04:55:36PM +0200, Johannes Ring wrote:
> On Tue, Jun 29, 2010 at 1:03 PM, Johannes Ring <johannr@xxxxxxxxx> wrote:
> > On Tue, Jun 29, 2010 at 12:41 PM, Anders Logg <logg@xxxxxxxxx> wrote:
> >> On Tue, Jun 29, 2010 at 12:34:48PM +0200, Johannes Ring wrote:
> >>> On Tue, Jun 29, 2010 at 11:16 AM, Anders Logg <logg@xxxxxxxxx> wrote:
> >>> > On Tue, Jun 29, 2010 at 11:09:47AM +0200, Johannes Ring wrote:
> >>> >> I backported this benchmark to 0.9.7 and it ran for over 17 minutes.
> >>> >
> >>> > !
> >>> >
> >>> > That's quite a good speedup. :-)
> >>> >
> >>> >> On DOLFIN-dev it run for about 55 seconds. Maybe we should reduce
> >>> >> the
> >>> >> problem size somewhat before I backport further?
> >>> >
> >>> > Sure, but not too much. I think we can improve it further (by a factor
> >>> > 10 or so) and then it might run too quickly. I also suspect DOLFIN
> >>> > 0.9.7 to be the slowest (or one of the slowest).
> >>> >
> >>> > Try reducing SIZE by a factor 2 or so.
> >>>
> >>> That reduced the runtime to just under nine minutes for 0.9.7 and 33
> >>> seconds for bzr tip. I also tried DOLFIN 0.7.3 and it is as slow as
> >>> 0.9.7.
> >>
> >> Interesting. But I guess it's not a problem since you only have to run
> >> it once to get the numbers.
> >
> > Yes, that's right. I have reduced the size and will backport the benchmark.
>
> The web page has been updated with the new benchmark now:
>
>   http://www.fenics.org/bench/
>
> Johannes

Nice.

--
Anders

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