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[jira] [Created] (ARROW-3495) Optimize bit operations performance

Li Jin created ARROW-3495:

             Summary: Optimize bit operations performance
                 Key: ARROW-3495
                 URL: https://issues.apache.org/jira/browse/ARROW-3495
             Project: Apache Arrow
          Issue Type: Task
          Components: Java
    Affects Versions: 0.11.0
            Reporter: Li Jin

>From [~atrivedi]'s benchmark finding:

2) Materialize values from Validity and Value direct buffers instead of
calling getInt() function on the IntVector. This is implemented as a new
Unsafe reader type (

3) Optimize bitmap operation to check if a bit is set or not (

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