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https://issues.apache.org/jira/browse/LUCENE-966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stanislaw Osinski updated LUCENE-966:
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Attachment: jflex-analyzer-r561292-patch.txt
Here is another (this time let's call it "final" :) patch for this issue which
comes with a simplified (but test-wise equivalent) grammar for numeric
expressions that gives about 5% performance increase.
> A faster JFlex-based replacement for StandardAnalyzer
> -----------------------------------------------------
>
> Key: LUCENE-966
> URL: https://issues.apache.org/jira/browse/LUCENE-966
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Analysis
> Reporter: Stanislaw Osinski
> Fix For: 2.3
>
> Attachments: AnalyzerBenchmark.java, jflex-analyzer-patch.txt,
> jflex-analyzer-r560135-patch.txt, jflex-analyzer-r561292-patch.txt
>
>
> JFlex (http://www.jflex.de/) can be used to generate a faster (up to several
> times) replacement for StandardAnalyzer. Will add a patch and a simple
> benchmark code in a while.
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