fork of https://github.com/sourcegraph/zoekt
Increase filename boost (#785)
When we introduced filename boosting in BM25, we set it to a very conservative
weight. This PR increases the weight from 2.0 -> 5.0, which improves results on
relevant evals.
Relates to SPLF-88
author
Julie Tibshirani
committer
GitHub
date
(May 28, 2024, 2:51 PM -0700)
commit
640102a4
640102a4a30e3913b4d498a465bb2ecd4f9cb7a3
parent
df7a7e71
df7a7e7162cf7d7af4d4cdde3701c57950830676
+4
-4
+3
-3
build/scoring_test.go
+3
-3
build/scoring_test.go
···
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content: exampleJava,
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language: "Java",
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// bm25-score:1.69 (sum-tf: 7.00, length-ratio: 2.00)
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-
wantScore: 1.69,
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+
wantScore: 1.82,
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}, {
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// Matches only on content
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fileName: "example.java",
···
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content: exampleJava,
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language: "Java",
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// bm25-score:1.07 (sum-tf: 2.00, length-ratio: 2.00)
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-
wantScore: 1.07,
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+
wantScore: 1.55,
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},
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{
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// Matches only on filename, and content is missing
···
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query: &query.Substring{Pattern: "config.go"},
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language: "Go",
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// bm25-score:1.91 (sum-tf: 2.00, length-ratio: 0.00)
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-
wantScore: 1.91,
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+
wantScore: 2.08,
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},
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}
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