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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-2265) improve automaton performance by running on byte[]
Date Sun, 02 May 2010 13:38:55 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael McCandless updated LUCENE-2265:
---------------------------------------

    Attachment: LUCENE-2265.patch

Latest patch (from Robert!) -- strengthens tests, fixes one but in how common suffix was created
for AutomatonTermsEnum, cleanup.

> improve automaton performance by running on byte[]
> --------------------------------------------------
>
>                 Key: LUCENE-2265
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2265
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>    Affects Versions: Flex Branch
>            Reporter: Robert Muir
>            Priority: Minor
>             Fix For: 3.1
>
>         Attachments: LUCENE-2265.patch, LUCENE-2265.patch, LUCENE-2265.patch, LUCENE-2265.patch,
LUCENE-2265.patch, LUCENE-2265.patch, LUCENE-2265.patch, LUCENE-2265.patch, LUCENE-2265.patch,
LUCENE-2265.patch, LUCENE-2265.patch, LUCENE-2265_pare.patch, LUCENE-2265_utf32.patch
>
>
> Currently, when enumerating terms, automaton must convert entire terms from flex's native
utf-8 byte[] to char[] first, then step each char thru the state machine.
> we can make this more efficient, by allowing the state machine to run on byte[], so it
can return true/false faster.

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