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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-4577) Nuke TFIDFSim's cache
Date Wed, 28 Nov 2012 15:38:58 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-4577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir updated LUCENE-4577:
--------------------------------

    Attachment: LUCENE-4577.patch
    
> Nuke TFIDFSim's cache
> ---------------------
>
>                 Key: LUCENE-4577
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4577
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Robert Muir
>         Attachments: LUCENE-4577.patch
>
>
> This is the old termscorer cache. 
> This helps nothing, and maybe hurts: I removed it and here are the results:
> {noformat}
> Chart saved to out.png... (wd: /home/rmuir/workspace/lucene-trunk/lucene/benchmark)
>                     Task    QPS base      StdDev   QPS patch      StdDev            
   Pct diff
>              TermGroup1M       52.87      (2.2%)       52.62      (2.4%)   -0.5% (  -4%
-    4%)
>               AndHighMed       34.82      (2.8%)       34.70      (3.6%)   -0.3% (  -6%
-    6%)
>                 SpanNear        6.28      (5.3%)        6.26      (3.9%)   -0.2% (  -8%
-    9%)
>                   IntNRQ       13.24     (11.0%)       13.24      (9.9%)    0.0% ( -18%
-   23%)
>                  Prefix3       42.19      (7.6%)       42.21      (7.0%)    0.1% ( -13%
-   15%)
>                 Wildcard       36.90      (6.8%)       37.02      (5.9%)    0.3% ( -11%
-   13%)
>              AndHighHigh       25.68      (4.5%)       25.79      (3.2%)    0.5% (  -6%
-    8%)
>                   Phrase        9.28      (4.7%)        9.35      (4.4%)    0.7% (  -8%
-   10%)
>             TermBGroup1M       45.76      (6.3%)       46.10      (3.2%)    0.7% (  -8%
-   10%)
>             SloppyPhrase       10.25      (3.9%)       10.33      (4.4%)    0.8% (  -7%
-    9%)
>               OrHighHigh        8.87      (6.4%)        8.97      (6.7%)    1.1% ( -11%
-   15%)
>                   Fuzzy1       70.28      (4.3%)       71.24      (7.1%)    1.4% (  -9%
-   13%)
>                OrHighMed       10.70      (7.0%)       10.86      (6.4%)    1.5% ( -11%
-   15%)
>                   Fuzzy2       27.79      (6.1%)       28.31      (5.1%)    1.9% (  -8%
-   13%)
>                  Respell       71.72      (6.8%)       73.39      (3.7%)    2.3% (  -7%
-   13%)
>                     Term      209.49      (4.4%)      214.58      (3.7%)    2.4% (  -5%
-   11%)
>           TermBGroup1M1P        7.10      (5.1%)        7.48      (7.8%)    5.3% (  -7%
-   19%)
> {noformat}

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