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perf(ldm): close the level-1 long-distance gap to libzstd - #632

Merged

polaz merged 8 commits into

mainfrom

perf/#631-ldm-l1

Oct 26, 2026

Merged

perf(ldm): close the level-1 long-distance gap to libzstd#632
polaz merged 8 commits into
mainfrom
perf/#631-ldm-l1

Commits on Oct 26, 2026
- test(bench): time the LDM matrix cells in the encode loops
  polaz
  committed
  fa4d884
- perf(ldm): one cycle per byte on the gear hash chain
  polaz
  committed
  83f5ac4
- perf(ldm): walk the gear feed in four-byte chunks
  polaz
  committed
  c64b254
- perf(ldm): take the gear feed's chunks as arrays
  polaz
  committed
  e709d7c
- test(bench): decode C-encoded LDM frames in the decode loop
  polaz
  committed
  7bc77d2
- perf(ldm): record a gear split out of line
  polaz
  committed
  10a61d3
- perf(ldm): scan a Fast-level long-distance frame in place
  polaz
  committed
  31dfe46
- fix(ldm): keep in-place long-distance frames the owned frames
  polaz
  committed
  bc06519