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https://issues.apache.org/jira/browse/LUCENE-9674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17269362#comment-17269362
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ASF subversion and git services commented on LUCENE-9674:
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Commit e5a16f0b0fdf69d0775afc86a641712ac2011089 in lucene-solr's branch
refs/heads/master from Anand
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=e5a16f0 ]
LUCENE-9674: Use binary search in VectorValues.advance()
Lucene90VectorReader now implements advance() with binary search in place of
prior linear scan
Co-authored-by: Anand Kotriwal <ana...@amazon.com>
> Faster advance on Vector Values
> -------------------------------
>
> Key: LUCENE-9674
> URL: https://issues.apache.org/jira/browse/LUCENE-9674
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/codecs
> Affects Versions: master (9.0)
> Environment:
> Reporter: Anand Kotriwal
> Priority: Major
> Time Spent: 3.5h
> Remaining Estimate: 0h
>
> The advance() function in the class Lucene90VectorReader does a linear search
> for the target document.
> To make it faster we can do a binary search over the "ordToDoc" array which
> will make the advance operation take logarithmic time to search.This will
> make retrieving vectors for a sparse set of documents efficient.
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