Fascinating, a 30% to 50% improvement on existing nearest-neighbor search / Locally Semantic Hashing via bio-mimicry of the fly olfactory system. The pre-release paper[1] is very readable as the author is seeking to map neuroscience observations directly to computing algorithms and uses clear language.
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[ 4.1 ms ] story [ 14.1 ms ] thread[1] https://www.biorxiv.org/content/early/2017/08/25/180471