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Posted to issues@lucene.apache.org by "Adrien Grand (Jira)" <ji...@apache.org> on 2022/03/22 13:56:00 UTC
[jira] [Created] (LUCENE-10480) Specialize 2-clauses disjunctions
Adrien Grand created LUCENE-10480:
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Summary: Specialize 2-clauses disjunctions
Key: LUCENE-10480
URL: https://issues.apache.org/jira/browse/LUCENE-10480
Project: Lucene - Core
Issue Type: Task
Reporter: Adrien Grand
WANDScorer is nice, but it also has lots of overhead to maintain its invariants: one linked list for the current candidates, one priority queue of scorers that are behind, another one for scorers that are ahead. All this could be simplified in the 2-clauses case, which feels worth specializing for as it's very common that end users enter queries that only have two terms?
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