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https://issues.apache.org/jira/browse/ARROW-8928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17339145#comment-17339145
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Ben Kietzman edited comment on ARROW-8928 at 5/4/21, 4:55 PM:
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ARROW-12010 adds KeyColumnData which is a simplified non-owning wrapper for
non-nested ArrayData. Reusing it for ExecBatch's values would be a worthwhile
optimization
was (Author: bkietz):
ARROW-12010 adds KeyColumnData which is a simplified non-owning wrapper for
non-nested ArrayData. Reusing it for ExecBatch would be a worthwhile
optimization
> [C++] Measure microperformance associated with ExecBatchIterator
> ----------------------------------------------------------------
>
> Key: ARROW-8928
> URL: https://issues.apache.org/jira/browse/ARROW-8928
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> {{arrow::compute::ExecBatch}} uses a vector of {{arrow::Datum}} to contain a
> collection of ArrayData and Scalar objects for kernel execution. It would be
> helpful to know how many nanoseconds of overhead is associated with basic
> interactions with this data structure to know the cost of using our vendored
> variant, and other such issues.
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