dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Mon, May 08, 2006 at 03:10:16PM +0200, Garth N. Wells wrote:
> On Mon, 2006-05-08 at 13:24 +0200, Anders Logg wrote:
> > I have added a benchmark to src/test/main.cpp. It compares the speed
> > of assemblhy for 2D Poisson on a 128 x 128 mesh repeated 100
> > times. Here are some typical timings:
> > 
> > Time with template:    4.23
> > Time without template: 4.24
> > 
> > Time with template:    4.24
> > Time without template: 4.21
> > 
> > Time with template:    4.2
> > Time without template: 4.29
> > 
> > Time with template:    4.22
> > Time without template: 4.24
> > 
> > Time with template:    4.22
> > Time without template: 4.15
> > 
> > Sometimes the templated version wins and sometimes the non-templated
> > wins, so I'd say there is no overhead of removing the templating. The
> > advantage would be that FEM and other implementations can be
> > simplified and more code moved to .cpp from .h.
> > 
> > Garth, maybe you can check the benchmark and see if you agree with the
> > results. I've compiled with --enable-optimization.
> > 
> 
> Looks good to me. I'm happy if the matrix templates are removed.
> 
> Garth

Great. I'm going on a guided tour around Svalbard in half an hour so I
won't have time today and tomorrow we're going on a snowmobile safari
:-) so I won't be able to touch the code for a couple of days if you
want to have a go.

Otherwise, I'll take a look when I come back.

/Anders

> 
> > /Anders
> > 
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