perf(signals): mapArray small-move fast path for keyed reorders - #3227

Merged

ryansolid merged 5 commits into

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keyed-small-moves

Sep 10, 2026

Commits on Sep 10, 2026

perf(signals): mapArray small-move fast path — keyed reorders at delta cost

ryansolid
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cursoragent
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197422c
perf(signals): lean the small-move fast path — identity-keyed mode only

ryansolid
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cursoragent
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be547c4
perf(signals): small-move fast path — cold replace at parity (scan/commit split + pre-probe)

ryansolid
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cursoragent
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aab14af
fix(signals): small-move fast path — decline ambiguous duplicates; tests that prove engagement

ryansolid
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cursoragent
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c8ae420
chore(size): ratchet For-bearing scenarios for the small-move fast path (rebased)

ryansolid
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cursoragent
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c5ad247