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Posted to dev@lucene.apache.org by "Hoss Man (JIRA)" <ji...@apache.org> on 2016/05/10 21:25:13 UTC
[jira] [Updated] (LUCENE-7122) BytesRefArray can be more efficient
for fixed width values
[ https://issues.apache.org/jira/browse/LUCENE-7122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hoss Man updated LUCENE-7122:
-----------------------------
Fix Version/s: (was: 6.0)
master (7.0)
Manually correcting fixVersion per Step #S5 of LUCENE-7271
> BytesRefArray can be more efficient for fixed width values
> ----------------------------------------------------------
>
> Key: LUCENE-7122
> URL: https://issues.apache.org/jira/browse/LUCENE-7122
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 6.1, master (7.0)
>
> Attachments: LUCENE-7122.patch, LUCENE-7122.patch, LUCENE-7122.patch
>
>
> Today {{BytesRefArray}} uses one int ({{int[]}}, overallocated) per
> value to hold the length, but for dimensional points these values are
> always the same length.
> This can save another 4 bytes of heap per indexed dimensional point,
> which is a big improvement (more points can fit in heap at once) for
> 1D and 2D lat/lon points.
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