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From "Simon Willnauer (JIRA)" <>
Subject [jira] Commented: (LUCENE-2735) First Cut at GroupVarInt with FixedIntBlockIndexInput / Output
Date Sun, 19 Dec 2010 14:54:01 GMT


Simon Willnauer commented on LUCENE-2735:

bq. Simon, maybe you want to commit this to the bulkpostings branch with the other block codecs?
yeah I should do so - I hope I get to it during the week...


> First Cut at GroupVarInt with FixedIntBlockIndexInput / Output
> --------------------------------------------------------------
>                 Key: LUCENE-2735
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>    Affects Versions: 4.0
>            Reporter: Simon Willnauer
>            Assignee: Simon Willnauer
>            Priority: Minor
>             Fix For: 4.0
>         Attachments: LUCENE-2735.patch, LUCENE-2735.patch, LUCENE-2735.patch, LUCENE-2735_alt.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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