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H A DSQLiteStorage.php35555bacbc10d1d920fb24cfc042d01a87f94b73 Tue Aug 15 06:12:31 UTC 2023 Andreas Gohr <andi@splitbrain.org> simplify cosine distance calculation

Since all OpenAI vectors are normalized, only the dotproduct needs to be
calculated for the distance. This saves a couple of floating point ops
per chunk, but doesn't make a huge difference overall.