bruno-roustant commented on a change in pull request #1043: LUCENE-9071: Speed
up BM25 scores.
URL: https://github.com/apache/lucene-solr/pull/1043#discussion_r352307646
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File path:
lucene/core/src/java/org/apache/lucene/search/similarities/BM25Similarity.java
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@@ -221,8 +251,8 @@ public final SimScorer scorer(float boost,
CollectionStatistics collectionStats,
@Override
public float score(float freq, long encodedNorm) {
- double norm = cache[((byte) encodedNorm) & 0xFF];
- return weight * (float) (freq / (freq + norm));
+ float norm = cache[((byte) encodedNorm) & 0xFF];
+ return weight * tf(freq, norm);
Review comment:
Thanks, very good point.
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