Sync commits Feat/vector engine and fix critical issues#35

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pilotspacex-byte merged 158 commits into

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feat/vector-engine

Apr 1, 2026

Commits on Mar 29, 2026

Commits on Mar 30, 2026

Commits on Mar 31, 2026

fix(vector): TurboQuant codebook fix, memory optimization, 2-stage HNSW search
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feat(vector): TQ-at-insert architecture — 5.5x memory reduction
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fix(vector): restore f32 reranking — recall 0.18 → 0.99
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fix(vector): mutable uses f32 L2 brute-force, not TQ-ADC
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feat(vector): TurboQuant_prod scoring — unbiased L2 without f32
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feat(vector): M=4 multi-projection QJL — recall 83% → 90%
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perf(vector): SRHT replaces dense Gaussian QJL — 25x faster insert
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fix(vector): restore dense Gaussian QJL — recall 88% → 94.5%
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feat(vector): sub-centroid refinement, multi-shard FT.*, fast insert
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perf(vector): auto-compact mutable → HNSW on first search
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perf(vector): f32 HNSW build + LUT ADC + adaptive ef — recall 87→93%, QPS 45→1126
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perf(vector): sub-centroid LUT in HNSW beam — eliminate rerank, +23% QPS
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feat(vector): configurable EF_RUNTIME and COMPACT_THRESHOLD per index
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docs: vector engine report + user guide
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feat(vector): Light/Exact build modes — Light default, 5× less memory + faster compact
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docs: vector engine report + user guide
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fix: resolve merge conflicts with main (pub/sub branch)
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fix: CI failures + address 23 code review findings
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fix: address 10 critical code review findings
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fix: remove #[inline(always)] from target_feature functions (unstable on 1.85)
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Commits on Apr 1, 2026