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https://issues.apache.org/jira/browse/LUCENE-3179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13046227#comment-13046227
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Paul Elschot commented on LUCENE-3179:
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The java.vm.version value 1.6.0_03-b05, java.vm.info value is mixed mode.
The processor is an Athlon II X3 450 at 800 MHz.
Since the Long time is about 2.5 times faster than the BitUtil with a 64 bit
processor, I'll change the patch to use Long. When the hardware allows better
performance, it should be used.
> OpenBitSet.prevSetBit()
> -----------------------
>
> Key: LUCENE-3179
> URL: https://issues.apache.org/jira/browse/LUCENE-3179
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Paul Elschot
> Priority: Minor
> Fix For: 3.3
>
> Attachments: LUCENE-3179.patch, TestBitUtil.java
>
>
> Find a previous set bit in an OpenBitSet.
> Useful for parent testing in nested document query execution LUCENE-2454 .
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