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https://issues.apache.org/jira/browse/LUCENE-1410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12636803#action_12636803
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Paul Elschot commented on LUCENE-1410:
--------------------------------------

I'm working on the 10 right now, but I'm hitting another bug, it will take a 
while.

The performance of TestPFor2 should be better after running TestPFor for all 
bit sizes, this could be a good reason to combine them. 

The correctness tests in TestPFor are not really exhaustive, so I'd like to 
have a simple test for correctness in TestPFor2, for example a running (long) 
sum of all decompressed ints that should equal before and after.

To avoid having to peek at the asm level, there is also the possibility to use 
a slightly higher number of frame bits when we know one number of bits will be 
slow to decompress.


> PFOR implementation
> -------------------
>
>                 Key: LUCENE-1410
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1410
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Other
>            Reporter: Paul Elschot
>            Priority: Minor
>         Attachments: LUCENE-1410b.patch, TestPFor2.java, TestPFor2.java
>
>   Original Estimate: 21840h
>  Remaining Estimate: 21840h
>
> Implementation of Patched Frame of Reference.

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