[–] robertpitt 1y ago ↗ A high-performance, ultra-compact binary format for UK postcode geolocation data. Compresses 1.79M postcodes from ~50MB CSV to just 6.2MB binary (88% compression) with 920K+ lookups/second and O(1) exact lookups.Live Demo: https://robertpitt.github.io/postcode-db/
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[ 6.3 ms ] story [ 680 ms ] threadLive Demo: https://robertpitt.github.io/postcode-db/