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https://issues.apache.org/jira/browse/SPARK-40931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17625361#comment-17625361
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Hyukjin Kwon commented on SPARK-40931:
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[~GGZ] it'd be great if you provide the benchmark codes and results.
> Need to Speed up unpacking when reading the next group in
> VectorizedRleValuesReader
> --------------------------------------------------------------------------------------
>
> Key: SPARK-40931
> URL: https://issues.apache.org/jira/browse/SPARK-40931
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: Gu, Guangze
> Priority: Major
>
> In VectorizedRleValuesReader, BytePacker#unpack8Values() with ByteBuffer
> input API will bring performance degradation, compared to this function with
> Array input API.
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