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https://issues.apache.org/jira/browse/LUCENE-2232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806275#action_12806275
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Paul Elschot commented on LUCENE-2232:
--------------------------------------
Aside: the patch has an unrolled version of IndexInput.getVShortInt() into 3
explicit getShort()'s.
Has it been tried to unroll getVInt()? Unrolling getVInt into 5 explicit
getByte()'s has the advantage
that the later conditional jumps are easier to predict.
> Use VShort to encode positions
> ------------------------------
>
> Key: LUCENE-2232
> URL: https://issues.apache.org/jira/browse/LUCENE-2232
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Reporter: Paul Elschot
> Attachments: LUCENE-2232-nonbackwards.patch,
> LUCENE-2232-nonbackwards.patch
>
>
> Improve decoding speed for typical case of two bytes for a delta position at
> the cost of increasing the size of the proximity file.
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