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papers/tables/code-repobench.tex
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zooqueen 89bf7a051f Paper 2: the first code lane is measured
RepoBench-R Python, test split, retrieval only: typed links over imports
and definitions, with no model, find the needed snippet first 31.4% of
the time where dense similarity finds it 18.8%; together 33.2%, MRR 40.8
to 52.3. The same table shape as the memory lane, the same freeze.
2026-09-09 05:43:01 -07:00

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% generated by hanzoai/cloud bench/brain/tables.mjs — RepoBench-R Python, test split (test_easy[0:250] + test_hard[0:250] per setting), all-MiniLM-L6-v2 for the dense generator, weights frozen on dev
\begin{tabular}{lrrrrrrrr}
\toprule
& \multicolumn{4}{c}{cross-file-first (500)} & \multicolumn{4}{c}{cross-file-random (500)} \\
\cmidrule(lr){2-5}\cmidrule(lr){6-9}
Configuration & R@1 & R@5 & MRR & hard R@1 & R@1 & R@5 & MRR & hard R@1 \\
\midrule
dense only & 18.8 & 72.8 & 40.8 & 12.8 & 24.6 & 74.6 & 45.0 & 19.6 \\
BM25 only & 19.4 & 67.6 & 40.4 & 15.2 & 26.2 & 74.0 & 45.6 & 22.4 \\
typed links only (no model) & 31.4 & 75.4 & 50.5 & 25.6 & 29.6 & 79.0 & 49.9 & 24.0 \\
dense + BM25 & 21.2 & 73.8 & 42.3 & 17.2 & 26.8 & 77.2 & 46.9 & 22.8 \\
dense + typed links & 30.2 & 78.8 & 50.5 & 22.0 & 31.2 & 77.8 & 51.0 & 26.8 \\
BM25 + typed links (no model) & 31.4 & 75.4 & 50.5 & 25.6 & 29.6 & 79.6 & 49.9 & 24.4 \\
full: dense + BM25 + typed links & 33.2 & 79.4 & 52.3 & 26.4 & 30.2 & 79.8 & 50.2 & 24.4 \\
\bottomrule
\end{tabular}