TrieHash - A perfect hash function generator

Speaker: Julian Andres Klode

Track: Packaging, policy, and Debian infrastructure

Type: Short talk (20 minutes)

Room: Auditório

Time: Jul 25 (Thu), 11:00

Duration: 0:20

TrieHash is a perfect hash function generator written for APT (and dpkg is in progress). It generates C code from a given list of words, that code performs substantially faster than competing perfect hash functions.

I’ll be discussing the basics of tries, compiler optimizations, and tricks for multi-byte access and case-insensitive comparisons in (GNU) C, and how these techniques were used to build TrieHash.

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