Claude
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ed376af7d8
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research: lance-autoresearch — PQ L2 kernel autoresearch harness
Stand up a standalone Rust project under research/lance-autoresearch/ for
LLM-driven optimization of Lance's PQ L2 distance kernels, following Karpathy's
three-file autoresearch contract:
- src/kernels.rs (mutable, the agent's playground): scalar baseline PQ L2
distance + top-K matching Lance 4.x's algorithm shape (16 sub-vectors,
256 centroids, 8-bit codes, 128-d f32).
- src/{fixture,reference,bin/run_experiment}.rs (immutable): SIFT1M loader
(fvecs/ivecs + frozen codebook) with deterministic synthetic fallback,
brute-force ground truth, fixed-format result block with recall@10 floor
+ time-budget exits.
- program.md (human-iterated): the skill the agent reads each session —
setup, what it can / cannot edit, the metric, Lance-PQ-specific priors,
the keep/revert loop.
Smoke tests pass: baseline build clean, recall@10 = 0.66 on synthetic above
the 0.50 floor (exit 0), broken kernel triggers floor failure (exit 2),
clippy -D warnings clean. Excludes research/ from omnigraph workspace so
the nested project doesn't enter omnigraph's cargo build graph.
Licensed dual MIT / Apache-2.0 to keep the upstream-PR path to lance-format/lance
clean.
https://claude.ai/code/session_01Aq8kBUcjmEPobcEufnWbW5
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2026-05-14 22:38:39 +00:00 |
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