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Posted to dev@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2020/04/22 12:44:00 UTC

[jira] [Created] (ARROW-8553) [C++] Reimplement BitmapAnd using Bitmap::VisitWords

Antoine Pitrou created ARROW-8553:
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             Summary: [C++] Reimplement BitmapAnd using Bitmap::VisitWords
                 Key: ARROW-8553
                 URL: https://issues.apache.org/jira/browse/ARROW-8553
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
    Affects Versions: 0.17.0
            Reporter: Antoine Pitrou


Currently, {{BitmapAnd}} uses a bit-by-bit loop for unaligned inputs. Using {{Bitmap::VisitWords}} instead would probably yield a manyfold performance increase.



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