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https://issues.apache.org/jira/browse/ARROW-5458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17662483#comment-17662483
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Rok Mihevc commented on ARROW-5458:
-----------------------------------
This issue has been migrated to [issue
#21910|https://github.com/apache/arrow/issues/21910] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [C++] ARMv8 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
> Assignee: Yuqi Gu
> Priority: Minor
> Labels: pull-request-available
> Fix For: 0.15.0
>
> Time Spent: 4.5h
> 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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