On Sat, Mar 1, 2014 at 7:33 AM, Fons Adriaensen <fons@linuxaudio.org> wrote:

[...]

in addition, fftw3 has already had years of optimization applied. its name stands for "fastest fourier transform in the west". there isn't a lot of point focusing on such core  algorithms because they typically have already been subject to a lot of effort to create an optimized implementation.