Adrien Grand created LUCENE-6024:
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             Summary: Improve oal.util.BitSet's bulk and/or/and_not
                 Key: LUCENE-6024
                 URL: https://issues.apache.org/jira/browse/LUCENE-6024
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Adrien Grand
            Assignee: Adrien Grand
            Priority: Minor
             Fix For: 5.0


LUCENE-6021 introduced oal.util.BitSet with default impls taken from 
FixedBitSet. However, these default impls could be more efficient (and eg. 
perform an actual leap frog for AND and AND_NOT).

Additionally, SparseFixedBitSet could benefit from some specialization.



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