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Posted to dev@lucene.apache.org by "Robert Muir (JIRA)" <ji...@apache.org> on 2010/12/19 15:26:02 UTC
[jira] Commented: (LUCENE-2735) First Cut at GroupVarInt with
FixedIntBlockIndexInput / Output
[ https://issues.apache.org/jira/browse/LUCENE-2735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12972993#action_12972993 ]
Robert Muir commented on LUCENE-2735:
-------------------------------------
Simon, maybe you want to commit this to the bulkpostings branch with the other block codecs?
> First Cut at GroupVarInt with FixedIntBlockIndexInput / Output
> --------------------------------------------------------------
>
> Key: LUCENE-2735
> URL: https://issues.apache.org/jira/browse/LUCENE-2735
> 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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