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