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https://issues.apache.org/jira/browse/LUCENE-5236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13794512#comment-13794512
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Paul Elschot commented on LUCENE-5236:
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I have no objection at all to committing. Needless to say that I am pleasantly
surprised with these benchmark results.
On my 32 bit machine FixedBitSet does better in general, i.e. the others do
worse in the results.
But the trends between the others are quite similar.
So it's really time to upgrade to 64-bit. Mostly talking to myself, but in case
there still are older production machines out there...
Fixing FixedBitSet.bits2words involves changing the int numBits arguments in
the FixedBitSet constructors to long,
and testing whether the result of bits2words is smaller than max int.
I don't see Lucene segments growing above 2G docs real soon now, so this is not
urgent for FixedBitSet.
> Use broadword bit selection in EliasFanoDecoder
> -----------------------------------------------
>
> Key: LUCENE-5236
> URL: https://issues.apache.org/jira/browse/LUCENE-5236
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Paul Elschot
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-5236.patch, LUCENE-5236.patch, LUCENE-5236.patch,
> LUCENE-5236.patch, TestDocIdSetBenchmark.java
>
>
> Try and speed up decoding
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