I recently used popcount for an audio-fingerprinting project [0] to compute the difference in binary "audio fingerprints". With AVX2 and 4 cores, my desktop man

I recently used popcount for an audio-fingerprinting project [0] to compute the difference in binary "audio fingerprints". With AVX2 and 4 cores, my desktop managed 448 billion bit-diff calcs per second! [0] https://kenschutte.com/phingerprint/ https://kenschutte.com/phingerprint/