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https://issues.apache.org/jira/browse/ARROW-13923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17411101#comment-17411101
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Antoine Pitrou commented on ARROW-13923:
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I did an experiment last year for the CSV parser, I'll push a draft PR for you 
to look at.

> [C++] Improve CSV chunker with SIMD
> -----------------------------------
>
>                 Key: ARROW-13923
>                 URL: https://issues.apache.org/jira/browse/ARROW-13923
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Yibo Cai
>            Assignee: Yibo Cai
>            Priority: Major
>
> POC test shows about 5x performance improvement when leveraging simd to 
> optimize csv boundary finder.



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