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https://issues.apache.org/jira/browse/LUCENE-8439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16563761#comment-16563761
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Jim Ferenczi commented on LUCENE-8439:
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Here is a patch that uses the same strategy to find blocks than LUCENE-8204.
I ran a benchmark using wikibigall and disjunction max queries on the
Low/Med/High terms over the body and title fields.
Results below show a nice speed up with any tiebreaker value (except 1 since we
rewrite to a boolean query in this case):
{noformat}
TaskQPS lucene_baseline StdDevQPS lucene_candidate StdDev
Pct diff
LowTerm 121.15 (3.3%) 838.54 (33.6%)
592.1% ( 537% - 650%)
MedTerm 25.52 (5.1%) 385.07 (114.0%)
1409.1% (1227% - 1610%)
HighTerm 9.62 (5.6%) 183.10 (162.7%)
1803.6% (1548% - 2089%)
{noformat}
> DisjunctionMaxScorer should leverage sub scorers' per-block max scores
> ----------------------------------------------------------------------
>
> Key: LUCENE-8439
> URL: https://issues.apache.org/jira/browse/LUCENE-8439
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Jim Ferenczi
> Priority: Minor
> Attachments: LUCENE-8439.patch
>
>
> This issue is similar to https://issues.apache.org/jira/browse/LUCENE-8204
> but for the DisjunctionMaxScorer.
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