dolfin team mailing list archive

[Andy Terrel <aterrel@xxxxxxxxxxxx>]

Okay so switching the optimization flag from -O2 to -O0 is sped the 
compilation time up by a factor of 100 but slowed the runtime by a 
factor of .1 at least for order 5+, similar things happen for lower 
orders but less dramatically so.  Which for me made many more tests 
feasible.

Thanks,
Andy

Andy Terrel wrote:
> It is the DOLFIN executable that takes so long to compile.
>
> Garth N. Wells wrote:
>   
> > Andy Terrel wrote:
> >     
> > > Hello Guys,
> > >
> > > So comparing some of these Stokes methods, when I use a higher order 
> > > iterated penalty method the compile time is killing me with 
> > > ffc/dolfin.  As in it takes hours to compile and seconds to run.  
> > >       
> > Is it taking a long time to compile the form file, or to build a 
> > DOLFIN executable?
> >
> > What do I do to
> >     
> > > speed these things up?  And do things run faster using pydolfin since 
> > > python does the whole just in time thing?
> > >
> > >       
> > If the form is changing, I wouldn't expect pyDOLFIN to help.
> >
> > Garth
> >
> >     
> > > Thanks,
> > > Andy
> > > _______________________________________________
> > > DOLFIN-dev mailing list
> > > DOLFIN-dev@xxxxxxxxxx
> > > http://www.fenics.org/mailman/listinfo/dolfin-dev
> > >
> > >       
> >     
>
>
>   


--

====================
Andy Terrel
Computer Science Dept
University of Chicago
aterrel@xxxxxxxxxxxx
---------------------

Failure has a thousand explanations,
Success doesn't need one.
                  -Sir Alec Guiness