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https://issues.apache.org/jira/browse/ARROW-4177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16736067#comment-16736067
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Romain François commented on ARROW-4177:
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For reference, this came up here:
[https://github.com/apache/arrow/pull/3332#discussion_r245697589]
I would not necessarily want to spawn many many threads, but I don't mind with
tasks if they are fairly cheap. Experience with using e.g. intel tbb is that
it's cheap and gives better load balancing to have many tasks.
> [C++] Add ThreadPool and TaskGroup microbenchmarks
> --------------------------------------------------
>
> Key: ARROW-4177
> URL: https://issues.apache.org/jira/browse/ARROW-4177
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 0.13.0
>
>
> Quantify CPU cycles associated with task lifecycle
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