dolfin team mailing list archive

["Robert C. Kirby" <kirby@xxxxxxxxxxxx>]

Level 2 blas might not improve run-time (should improve compile  
time), depending on how many zeros FFC finds.  Calling N level 2 BLAS  
operations is *much* slower than one level 3 BLAS with N columns.

But it's a start.


> We should definitely do this. I'll probably do level 2 BLAS first,
> since then I only have to modify the output from FFC to use BLAS
> calls. This will be an immediate benefit for Johan Hoffman with 3D
> Navier-Stokes since compiling the code generated by FFC (with gcc) is
> currently the bottle-neck. Hopefully, I can implement this by the end
> of this week.
>
> /Anders
>
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Rob Kirby

"Mathematical software should be mathematical."