[Pw_forum] fftw3

Stefano Baroni baroni at sissa.it
Fri Apr 16 18:13:41 CEST 2004

Sure, Giovanni. We would very much appreciate your doing so.
Welcome back to the REAL WORLD.

On Apr 16, 2004, at 5:38 PM, Giovanni Cangiani wrote:

> Hi all,
> 	in their website, the authors of fftw claim that
> fftw3 is about 20% faster than fftw2. I could not believe
> that... until I tried myself.
> It's true that the interface is completely changed and
> not very suited to the way the fft driver is implemented
> in pwscf. On the other hand I think it's worth to implement
> it.
> I am not in the business anymore but I wrote a pwscf-like
> wrapper for fftw3 in order to test my new cluster. This
> module can be easily modified and make compatible with
> the pwscf standard.
> If you are interested and if this have not been done already
> I can take care of this fftw3 interface.
> Best,
> 	giovanni
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Stefano Baroni    ---  SISSA  &  DEMOCRITOS National Simulation Center
via Beirut 2-4 34014 Trieste Grignano / [+39] 040 3787 406 (tel) -528 

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