Hello Haskellers,
Recently I've revived my old toy project. It's a sound spectrum analyzer
with Gtk2hs interface. I decided to rewrite it into a pitch tuner.
Basically I'm done, but I've ran into performance difficulties while
trying to rise a resolution in a frequency space.
The original code used Storable arrays to get data out of fftw, for some
processing I convert it to lists, which obviously hinders performance.
I've heard there are some modern efficient array processing libraries
available. So I hope I can avoid writing all those low-level for loops.
Any hints on how to optimize and prettify the code are welcome.
Repository is located at https://github.com/akamaus/HTuner
Best regards,
Dmitry
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