s2: Improve "better" compression. #635
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Improves compression ~0.1% at ~10% speed cost. Seems too little to keep. More benchmarking needed.
Use bigger long match table and check candidates at different lengths.
(asm missing)
…s into s2-better-hash-between
klauspost
changed the title
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Extend long hash table to 17 bits and do intermediate hashing on matches.
Improves better compression, with minor speed drop.