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Re: A bunch of optimizations: [...]

 

I tried using the BLAS format, but changes in src/ffc/compiler/elementtensor.py
have broken the .xml files. "size_a" is always zero, which leads to a DOLFIN
error. The problems appears to be on line 117 of src/ffc/compiler/elementtensor.py. 

Garth

Quoting ffc@xxxxxxxxxx:

> Commit from logg (2005-10-07 22:58 CEST)
> ----------------
> 
> A bunch of optimizations:
> 
>   - Only precompute declarations a0, aK, gK when needed as decided by
>     the current format. (Formats should return None when not needed.)
> 
>   - Write BLAS XML data directly to file instead of caching in a string.
>     Very little difference in speed and much cheaper in memory for large
>     files.
> 
> These optimizations considerably improve compile-time and memory usage
> for complicated forms. Test results for Cahn-Hilliard will be reported
> in a separate post.
> 
>   ffc  TODO                               1.49
>   ffc  src/bin/ffc                        1.28
>   ffc  src/ffc/compiler/elementtensor.py  1.17
>   ffc  src/ffc/format/ase.py              1.9
>   ffc  src/ffc/format/dolfin.py           1.48
>   ffc  src/ffc/format/latex.py            1.17
>   ffc  src/ffc/format/raw.py              1.13
>   ffc  src/ffc/format/xml.py              1.5
> 
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