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https://issues.apache.org/jira/browse/LUCENE-2750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-2750:
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Attachment: LUCENE-2750.patch
I wrote an implementation of a PForDeltaDocIdSet based on the ones in Kamikaze
and D. Lemire's JavaFastPFOR (both are licensed under the ASL 2.0).
On the contrary to the original implementation, it uses FOR to encode
exceptions (this was easier given that we already have lots of utility methods
to pack integers).
> add Kamikaze 3.0.1 into Lucene
> ------------------------------
>
> Key: LUCENE-2750
> URL: https://issues.apache.org/jira/browse/LUCENE-2750
> Project: Lucene - Core
> Issue Type: Sub-task
> Components: modules/other
> Reporter: hao yan
> Assignee: Adrien Grand
> Attachments: LUCENE-2750.patch
>
> Original Estimate: 336h
> Remaining Estimate: 336h
>
> Kamikaze 3.0.1 is the updated version of Kamikaze 2.0.0. It can achieve
> significantly better performance then Kamikaze 2.0.0 in terms of both
> compressed size and decompression speed. The main difference between the two
> versions is Kamikaze 3.0.x uses the much more efficient implementation of the
> PForDelta compression algorithm. My goal is to integrate the highly efficient
> PForDelta implementation into Lucene Codec.
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