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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