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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/09/07 10:19:00 UTC

[jira] [Comment Edited] (ARROW-13923) [C++] Improve CSV chunker with SIMD

    [ https://issues.apache.org/jira/browse/ARROW-13923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17411101#comment-17411101 ] 

Antoine Pitrou edited comment on ARROW-13923 at 9/7/21, 10:18 AM:
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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: [https://github.com/apache/arrow/pull/11101]


was (Author: pitrou):
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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