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lazy: speed up the row matchfinder (levels 5-12) by 2-8%, identical output - #4841

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rluvaton wants to merge 5 commits into

rluvaton:perf/level6-row-matchfinder

Open

lazy: speed up the row matchfinder (levels 5-12) by 2-8%, identical output#4841
rluvaton wants to merge 5 commits into
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rluvaton:perf/level6-row-matchfinder

Commits on Oct 13, 2026
- lazy: drop the row head slot from the match mask once per search
  rluvaton
  committed
  00ce631
- lazy: use 64-bit row offsets in the row matchfinder
  rluvaton
  committed
  9790445
- lazy: count row matchfinder candidates with a branchless 16-byte head
  rluvaton
  committed
  560a238
- compress: vectorize ZSTD_seqToCodes with NEON
  rluvaton
  committed
  f5b5160
- lazy: inline the noDict row search on x86-64
  rluvaton
  committed
  715952d