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Posted to dev@lucene.apache.org by "Paul Elschot (JIRA)" <ji...@apache.org> on 2015/05/06 14:23:00 UTC
[jira] [Closed] (LUCENE-5416) Performance of a FixedBitSet variant
that uses Long.numberOfTrailingZeros()
[ https://issues.apache.org/jira/browse/LUCENE-5416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paul Elschot closed LUCENE-5416.
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> Performance of a FixedBitSet variant that uses Long.numberOfTrailingZeros()
> ---------------------------------------------------------------------------
>
> Key: LUCENE-5416
> URL: https://issues.apache.org/jira/browse/LUCENE-5416
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Affects Versions: Trunk
> Reporter: Paul Elschot
> Priority: Minor
> Fix For: Trunk
>
>
> On my machine the current byte index used in OpenBitSetIterator is slower than Long.numberOfTrailingZeros() for advance().
> The pull request contains the code for benchmarking this taken from an early stage of DocBlocksIterator.
> In case the benchmark shows improvements on more machines, well, we know what to do...
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