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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-2735) First Cut at GroupVarInt with FixedIntBlockIndexInput / Output
Date Thu, 09 May 2013 23:06:01 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uwe Schindler updated LUCENE-2735:
----------------------------------

    Fix Version/s:     (was: 4.3)
                   4.4
    
> First Cut at GroupVarInt with FixedIntBlockIndexInput / Output
> --------------------------------------------------------------
>
>                 Key: LUCENE-2735
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2735
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/index
>    Affects Versions: 4.0-ALPHA
>            Reporter: Simon Willnauer
>            Assignee: Simon Willnauer
>            Priority: Minor
>             Fix For: 4.4
>
>         Attachments: LUCENE-2735_alt.patch, LUCENE-2735.patch, LUCENE-2735.patch, LUCENE-2735.patch
>
>
> I have hacked together a FixedIntBlockIndex impl with Group VarInt encoding - this does
way worse than standard codec in benchmarks but I guess that is mainly due to the FixedIntBlockIndex
limitations. Once LUCENE-2723 is in / or builds with trunk again I will update and run some
tests. The isolated microbenchmark shows that there could be improvements over vint even in
java though and I am sure we can make it faster impl. wise.

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