[CPMD-list] NCACHE size

[Kozin, I (Igor)]

Hi Axel,
first of all thanks a lot for putting up such a good CPMD website!
An excellent source of resources!

> btw: the best way to optimize the fft is use it as little as 
> possible (e.g. by using the REAL SPACE WFN KEEP keyword, provided
> there is enough memory on your machine).

I am only doing benchmarking. Therefore I don't think it is fare
to use it although I'll keep it in mind.
 
> not that i know of. feel free to try. the default fft is quite
> competitive, considering that it is portable fortran code.
> IMO it would be more interesting to see, how well a port 
> to fftw3 performs.

Could you please elaborate your last point? (what fftw3 is?)

Regards,
Igor