Re: Regarding fft2

[Abhijith Chandraprabhu]

How do I get the default number of threads fft2 uses? 

On Thu, Jul 28, 2016 at 6:44 PM, Andreas Weber <address@hidden> wrote:

Am 28.07.2016 um 14:55 schrieb Abhijith Chandraprabhu:
> I would like to know if we have native implementation or it is wrapped
> around the FFTW library? I would like to disect the function fft2 and
> do some performance analysis. Thanks.

configure picks FFTW if found an uses Fortran FFTPACK if fftw is not found.
If you want to do performance analysis see also fftw "wisdom" and "threads".
-- Andy

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Best regards,
Abhijith