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Posted to jira@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/12/08 03:24:00 UTC

[jira] [Updated] (ARROW-15004) [Dev][Archery] Arm NEON disabled in C++ benchmark

     [ https://issues.apache.org/jira/browse/ARROW-15004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-15004:
-----------------------------------
    Labels: pull-request-available  (was: )

> [Dev][Archery] Arm NEON disabled in C++ benchmark
> -------------------------------------------------
>
>                 Key: ARROW-15004
>                 URL: https://issues.apache.org/jira/browse/ARROW-15004
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++, Developer Tools
>            Reporter: Yibo Cai
>            Assignee: Yibo Cai
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> I find NEON code is always skipped by {{archery benchmark ...}} even if run on Arm machines.
> It's because ARROW_SIMD_LEVEL is fixed to SSE4_2 in archery:
> https://github.com/apache/arrow/blob/master/dev/archery/archery/lang/cpp.py#L245
> We should use "DEFAULT" simd level which is added in a recent pr to address different archs.



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