[jira] Commented: (LUCENE-1607) String.intern() faster alternative

["Michael McCandless (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-1607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12718181#action_12718181 ] 

Michael McCandless commented on LUCENE-1607:
--------------------------------------------

Yonik is this ready to go in...?

> String.intern() faster alternative
> ----------------------------------
>
>                 Key: LUCENE-1607
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1607
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Earwin Burrfoot
>             Fix For: 2.9
>
>         Attachments: intern.patch, LUCENE-1607.patch, LUCENE-1607.patch, LUCENE-1607.patch, LUCENE-1607.patch, LUCENE-1607.patch, LUCENE-1607.patch, LUCENE-1607.patch, LUCENE-1607.patch
>
>
> By using our own interned string pool on top of default, String.intern() can be greatly optimized.
> On my setup (java 6) this alternative runs ~15.8x faster for already interned strings, and ~2.2x faster for 'new String(interned)'
> For java 5 and 4 speedup is lower, but still considerable.

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