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Re: Regarding fft2
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From: |
Andreas Weber |
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Subject: |
Re: Regarding fft2 |
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Date: |
Thu, 28 Jul 2016 15:14:23 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.1.0 |
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