Part of the point of this paper is that the lookup tables for base64 fit into a ... | Hacker News

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		fanf2 on Nov 6, 2019 \| parent \| context \| favorite \| on: Base64 encoding and decoding at almost the speed o... Part of the point of this paper is that the lookup tables for base64 fit into a 512 bit vector register.

vardump on Nov 6, 2019 [–]

Notably this technique only works in this special case (or other small LUTs). Generic (larger) lookup tables can't be vectorized yet.

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