dolfin team mailing list archive

["Garth N. Wells" <g.n.wells@xxxxxxxxxx>]

Dag Lindbo wrote:
> 
> What are your experiences with long build times of DOLFIN solvers, due to
> large h-files from FFC? I'm having to endure waiting >15 min for a build
> where  h-files are no larger than 6 mb (and they will probably grow as I
> try more interesting stuff). How much is there to gain from using BLAS
> output from FFC (and will it be better or worse at runtime)?
> 

The compile times for large header files coming from FFC can be
significant. This is particularly so when using compiler optimisations
(-O2, -O3). Using the BLAS output format should help quite a bit but, as
you've seen, it is currently broken.

Garth

> Best regards,
> Dag Lindbo