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https://issues.apache.org/jira/browse/ARROW-6123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17448134#comment-17448134
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Antoine Pitrou commented on ARROW-6123:
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[~fsaintjacques] probably meant that the output area should be preallocated by
the generic kernel machinery instead? But that doesn't sound like a big deal,
especially as sorting is a heavy operation.
> [C++] ArgSort kernel should not materialize the output internal
> ---------------------------------------------------------------
>
> Key: ARROW-6123
> URL: https://issues.apache.org/jira/browse/ARROW-6123
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 0.15.0
> Reporter: Francois Saint-Jacques
> Priority: Major
>
> It should use the helpers since the output size is known.
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