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Posted to dev@lucene.apache.org by "John Wang (JIRA)" <ji...@apache.org> on 2009/05/09 10:02:45 UTC

[jira] Updated: (LUCENE-1632) boolean docid set iterator improvement

     [ https://issues.apache.org/jira/browse/LUCENE-1632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Wang updated LUCENE-1632:
------------------------------

    Attachment: Lucene-1632-patch.txt

> boolean docid set iterator improvement
> --------------------------------------
>
>                 Key: LUCENE-1632
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1632
>             Project: Lucene - Java
>          Issue Type: Improvement
>    Affects Versions: 2.4
>            Reporter: John Wang
>         Attachments: Lucene-1632-patch.txt
>
>
> This was first brought up in Lucene-1345. But Lucene-1345 conversation has digressed. As per suggested, creating a separate issue to track.
> 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%)
> main contributors to the patch: Anmol Bhasin & Yasuhiro Matsuda

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