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Posted to jira@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2022/07/19 13:26:00 UTC

[jira] [Created] (ARROW-17129) [C++][Compute] Improve memory efficiency in Grouper

Wes McKinney created ARROW-17129:
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             Summary: [C++][Compute] Improve memory efficiency in Grouper
                 Key: ARROW-17129
                 URL: https://issues.apache.org/jira/browse/ARROW-17129
             Project: Apache Arrow
          Issue Type: Improvement
            Reporter: Wes McKinney


There are APIs in arrow::compute::Grouper (GetUniques, Consume) which may be able to be refactored to write into preallocated memory or otherwise have a mode that does less mandatory allocation. We can investigate at some point



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