ffc team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Wed, Dec 31, 2008 at 08:08:14AM -0800, Chong Luo wrote:
> Thank you. The transition to UFL sounds promising. May I ask at what stage that
> transition is now?

The transition is at approximately 1% right now. We will get started
on the transition in January. UFL itself is in a very good shape (but
not finished). All demos in FFC can be expressed in UFL. It "just"
remains to use the new representation in FFC.

> The new year is coming, I wish a happy new year for all the developers of
> FEniCS, you guys are great!

Happy new year.

-- 
Anders

> Best,
> Chong
> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
> From: Garth N. Wells <gnw20@xxxxxxxxx>
> To: Chong Luo <luo.chong@xxxxxxxxx>
> Cc: ffc-dev@xxxxxxxxxx
> Sent: Monday, December 22, 2008 4:11:32 PM
> Subject: Re: [FFC-dev] ffc compile takes several hours
> 
> 
> 
> Chong Luo wrote:
> > Sometimes, ffc can take too much time to compile a form file. For example,
> for the file in the attachment, it takes more than two hours to compile (after
> two hours, I became impatient and killed the process). I've used "-r
> quadrature" switch, and my desktop is reasonablly fast (Intel Q6600+6G DDR2
> 1000).
> >
> 
> This is a known issue with FFC for complicated forms. Hopefully it will be
> resolved after the transition to UFL since for quadrature code the UFL
> representation of forms should be more suitable.
> 
> Garth
> 
> > The attachment is just one example. For the problem I'm trying to solve using
> fenics, it has the same slow compilation problem.
> >
> > Is there any other trick that can speed up the compilation to be within, say,
> 10 minutes?
> >
> > Best,
> > Chong
> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > FFC-dev mailing list
> > FFC-dev@xxxxxxxxxx
> > http://www.fenics.org/mailman/listinfo/ffc-dev
> 
> 
> 

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