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https://issues.apache.org/jira/browse/ARROW-8553?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Francois Saint-Jacques resolved ARROW-8553.
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Fix Version/s: 1.0.0
Resolution: Fixed
Issue resolved by pull request 7135
[https://github.com/apache/arrow/pull/7135]
> [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
> Assignee: Yibo Cai
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.0.0
>
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
> 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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