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https://issues.apache.org/jira/browse/LUCENE-8796?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand resolved LUCENE-8796.
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Resolution: Fixed
Fix Version/s: 8.2
master (9.0)
> Use exponential search in IntArrayDocIdSet advance method
> ---------------------------------------------------------
>
> Key: LUCENE-8796
> URL: https://issues.apache.org/jira/browse/LUCENE-8796
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Luca Cavanna
> Priority: Minor
> Fix For: master (9.0), 8.2
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Chatting with [~jpountz] , he suggested to improve IntArrayDocIdSet by making
> its advance method use exponential search instead of binary search. This
> should help performance of queries including conjunctions: given that
> ConjunctionDISI uses leap frog, it advances through doc ids in small steps,
> hence exponential search should be faster when advancing on average compared
> to binary search.
>
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