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https://issues.apache.org/jira/browse/ARROW-5458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16852610#comment-16852610
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Yuqi Gu commented on ARROW-5458:
--------------------------------

PR: https://github.com/apache/arrow/pull/4427

> Apache Arrow parallel CRC32c computation optimization
> -----------------------------------------------------
>
>                 Key: ARROW-5458
>                 URL: https://issues.apache.org/jira/browse/ARROW-5458
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Yuqi Gu
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> ARMv8 defines VMULL/PMULL crypto instruction.
> This patch optimizes crc32c calculate with the instruction when
> available rather than original linear crc instructions.



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