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Posted to jira@arrow.apache.org by "Michal Nowakiewicz (Jira)" <ji...@apache.org> on 2021/09/30 07:57:00 UTC

[jira] [Created] (ARROW-14182) [C++][Compute] Hash Join performance improvement

Michal Nowakiewicz created ARROW-14182:
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             Summary: [C++][Compute] Hash Join performance improvement
                 Key: ARROW-14182
                 URL: https://issues.apache.org/jira/browse/ARROW-14182
             Project: Apache Arrow
          Issue Type: Improvement
            Reporter: Michal Nowakiewicz
            Assignee: Michal Nowakiewicz


Add micro-benchmarks for hash join exec node.
Write a new implementation of the interface HashJoinImpl making sure that it is efficient for all types of join. Current implementation, based on unordered map, trades performance for a simpler code and is likely not as fast as it could be.



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