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https://issues.apache.org/jira/browse/LUCENE-1345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12662627#action_12662627
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John Wang commented on LUCENE-1345:
-----------------------------------
Added perf comparisons with boolean set iterators with current scorers
See patch
System: Ubunto,
java version "1.6.0_11"
Intel core2 Duo 2.44ghz
new milliseconds=470
new milliseconds=534
new milliseconds=450
new milliseconds=443
new milliseconds=444
new milliseconds=445
new milliseconds=449
new milliseconds=441
new milliseconds=444
new milliseconds=445
new total milliseconds=4565
old milliseconds=529
old milliseconds=491
old milliseconds=428
old milliseconds=549
old milliseconds=427
old milliseconds=424
old milliseconds=420
old milliseconds=424
old milliseconds=423
old milliseconds=422
old total milliseconds=4537
New/Old Time 4565/4537 (100.61715%)
OrDocIdSetIterator milliseconds=1138
OrDocIdSetIterator milliseconds=1106
OrDocIdSetIterator milliseconds=1065
OrDocIdSetIterator milliseconds=1066
OrDocIdSetIterator milliseconds=1065
OrDocIdSetIterator milliseconds=1067
OrDocIdSetIterator milliseconds=1072
OrDocIdSetIterator milliseconds=1118
OrDocIdSetIterator milliseconds=1065
OrDocIdSetIterator milliseconds=1069
OrDocIdSetIterator total milliseconds=10831
DisjunctionMaxScorer milliseconds=1914
DisjunctionMaxScorer milliseconds=1981
DisjunctionMaxScorer milliseconds=1861
DisjunctionMaxScorer milliseconds=1893
DisjunctionMaxScorer milliseconds=1886
DisjunctionMaxScorer milliseconds=1885
DisjunctionMaxScorer milliseconds=1887
DisjunctionMaxScorer milliseconds=1889
DisjunctionMaxScorer milliseconds=1891
DisjunctionMaxScorer milliseconds=1888
DisjunctionMaxScorer total milliseconds=18975
Or/DisjunctionMax Time 10831/18975 (57.080368%)
OrDocIdSetIterator milliseconds=1079
OrDocIdSetIterator milliseconds=1075
OrDocIdSetIterator milliseconds=1076
OrDocIdSetIterator milliseconds=1093
OrDocIdSetIterator milliseconds=1077
OrDocIdSetIterator milliseconds=1074
OrDocIdSetIterator milliseconds=1078
OrDocIdSetIterator milliseconds=1075
OrDocIdSetIterator milliseconds=1074
OrDocIdSetIterator milliseconds=1074
OrDocIdSetIterator total milliseconds=10775
DisjunctionSumScorer milliseconds=1398
DisjunctionSumScorer milliseconds=1322
DisjunctionSumScorer milliseconds=1320
DisjunctionSumScorer milliseconds=1305
DisjunctionSumScorer milliseconds=1304
DisjunctionSumScorer milliseconds=1301
DisjunctionSumScorer milliseconds=1304
DisjunctionSumScorer milliseconds=1300
DisjunctionSumScorer milliseconds=1301
DisjunctionSumScorer milliseconds=1317
DisjunctionSumScorer total milliseconds=13172
Or/DisjunctionSum Time 10775/13172 (81.80231%)
AndDocIdSetIterator milliseconds=330
AndDocIdSetIterator milliseconds=336
AndDocIdSetIterator milliseconds=298
AndDocIdSetIterator milliseconds=299
AndDocIdSetIterator milliseconds=310
AndDocIdSetIterator milliseconds=298
AndDocIdSetIterator milliseconds=298
AndDocIdSetIterator milliseconds=334
AndDocIdSetIterator milliseconds=298
AndDocIdSetIterator milliseconds=299
AndDocIdSetIterator total milliseconds=3100
ConjunctionScorer milliseconds=332
ConjunctionScorer milliseconds=307
ConjunctionScorer milliseconds=302
ConjunctionScorer milliseconds=350
ConjunctionScorer milliseconds=300
ConjunctionScorer milliseconds=304
ConjunctionScorer milliseconds=305
ConjunctionScorer milliseconds=303
ConjunctionScorer milliseconds=303
ConjunctionScorer milliseconds=299
ConjunctionScorer total milliseconds=3105
And/Conjunction Time 3100/3105 (99.83897%)
> Allow Filter as clause to BooleanQuery
> --------------------------------------
>
> Key: LUCENE-1345
> URL: https://issues.apache.org/jira/browse/LUCENE-1345
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Reporter: Paul Elschot
> Priority: Minor
> Attachments: DisjunctionDISI.java, DisjunctionDISI.patch,
> DisjunctionDISI.patch, LUCENE-1345.patch, LUCENE-1345.patch,
> OpenBitSetIteratorExperiment.java, TestIteratorPerf.java,
> TestIteratorPerf.java
>
>
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