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Posted to jira@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2020/06/15 16:25:00 UTC

[jira] [Resolved] (ARROW-9067) [C++] Create reusable branchless / vectorized index boundschecking functions

     [ https://issues.apache.org/jira/browse/ARROW-9067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney resolved ARROW-9067.
---------------------------------
    Resolution: Fixed

This was done in ARROW-5760

> [C++] Create reusable branchless / vectorized index boundschecking functions
> ----------------------------------------------------------------------------
>
>                 Key: ARROW-9067
>                 URL: https://issues.apache.org/jira/browse/ARROW-9067
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>            Priority: Major
>             Fix For: 1.0.0
>
>
> It is possible to do branch-free index boundschecking in batches for better performance. 
> I am implementing this as part of the Take/Filter optimization (so please wait until I have PRs up for this work), but these functions can be moved somewhere more general purpose and used in places where we are currently boundschecking inside inner loops.



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