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Posted to jira@arrow.apache.org by "Weston Pace (Jira)" <ji...@apache.org> on 2021/06/07 19:02:00 UTC

[jira] [Updated] (ARROW-10117) [C++] Implement work-stealing scheduler / multiple queues in ThreadPool

     [ https://issues.apache.org/jira/browse/ARROW-10117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Weston Pace updated ARROW-10117:
--------------------------------
    Attachment: Work_Stealing_Thread_Pool_Investigation.pdf

> [C++] Implement work-stealing scheduler / multiple queues in ThreadPool
> -----------------------------------------------------------------------
>
>                 Key: ARROW-10117
>                 URL: https://issues.apache.org/jira/browse/ARROW-10117
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Weston Pace
>            Priority: Major
>         Attachments: Work_Stealing_Thread_Pool_Investigation.pdf
>
>
> This involves a change from a single task queue shared amongst all threads to a per-thread task queue and the ability for idle threads to take tasks from other threads' queues (work stealing). 
> As part of this, the task submission API would need to be evolved in some fashion to allow for tasks related to a particular workload to end up in the same task queue



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