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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/12/31 06:31:00 UTC

[jira] [Commented] (SPARK-37796) ByteArrayMethods arrayEquals should fast skip the check of aligning with unaligned platform

    [ https://issues.apache.org/jira/browse/SPARK-37796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17467115#comment-17467115 ] 

Apache Spark commented on SPARK-37796:
--------------------------------------

User 'ulysses-you' has created a pull request for this issue:
https://github.com/apache/spark/pull/35078

> ByteArrayMethods arrayEquals should fast skip the check of aligning with unaligned platform
> -------------------------------------------------------------------------------------------
>
>                 Key: SPARK-37796
>                 URL: https://issues.apache.org/jira/browse/SPARK-37796
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: XiDuo You
>            Priority: Major
>
> The method `arrayEquals` in `ByteArrayMethods` is critical function which is used in `UTF8String.` `equals`, `indexOf`,`find` etc.
> After SPARK-16962, it add the complexity of aligned. It would be better to fast sikip the check of aligning if the platform is unaligned.



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