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Posted to jira@arrow.apache.org by "Yibo Cai (Jira)" <ji...@apache.org> on 2021/12/07 10:43:00 UTC

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

Yibo Cai created ARROW-15004:
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             Summary: [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


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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