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How I turned Apriori (1994) into bit-vector arithmetic to run it on a GPU

Apriori is usually taught as "scan the transactions, count candidates, prune, repeat". I rewrote it so that each item is a bit-vector and support counting becomes AND + popcount. That turns a pointer-heavy search into dense arithmetic, which fits a GPU well. I used it to mine 77M AlphaFold proteins…

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  1. 2026-09-30 14:48 · r/learnmachinelearning
    How I turned Apriori (1994) into bit-vector arithmetic to run it on a GPU

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