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https://issues.apache.org/jira/browse/SPARK-48627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kent Yao resolved SPARK-48627.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 46984
[https://github.com/apache/spark/pull/46984]
> Perf improvement for binary to HEX_DISCRETE strings
> ---------------------------------------------------
>
> Key: SPARK-48627
> URL: https://issues.apache.org/jira/browse/SPARK-48627
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Kent Yao
> Assignee: Kent Yao
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> {code:java}
> +OpenJDK 64-Bit Server VM 17.0.10+0 on Mac OS X 14.5
> +Apple M2 Max
> +Cardinality 100000: Best Time(ms) Avg Time(ms)
> Stdev(ms) Rate(M/s) Per Row(ns) Relative
> +------------------------------------------------------------------------------------------------------------------------
> +Spark 42210 43595
> 1207 0.0 422102.9 1.0X
> +Java 238 243
> 2 0.4 2381.9 177.2X {code}
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