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Posted to dev@arrow.apache.org by "Yibo Cai (Jira)" <ji...@apache.org> on 2020/05/29 05:56:00 UTC

[jira] [Created] (ARROW-8979) [C++] Implement bitmap word reader and writer

Yibo Cai created ARROW-8979:
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             Summary: [C++] Implement bitmap word reader and writer
                 Key: ARROW-8979
                 URL: https://issues.apache.org/jira/browse/ARROW-8979
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Yibo Cai
            Assignee: Yibo Cai


Below three Jira tasks optimize bitmap operations(logical, copy, compare, etc) unaligned case. They use word-by-word approach instead of bit-by-bit to improve performance.
 There are some common code of read/write bitmap in words. It's better to implement word based bitmap reader and writer to wrap similar function and reduce code redundancy.
 https://issues.apache.org/jira/browse/ARROW-8553
 https://issues.apache.org/jira/browse/ARROW-8843
 https://issues.apache.org/jira/browse/ARROW-8844



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