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https://issues.apache.org/jira/browse/SPARK-10134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14708766#comment-14708766
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Cheng Hao commented on SPARK-10134:
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We can improve that by enable the comparison every 8 bytes for a 64 bit OS.
https://bugs.openjdk.java.net/browse/JDK-8033148
> Improve the performance of Binary Comparison
> --------------------------------------------
>
> Key: SPARK-10134
> URL: https://issues.apache.org/jira/browse/SPARK-10134
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Cheng Hao
>
> Currently, compare the binary byte by byte is quite slow, use the Guava
> utility to improve the performance, which take 8 bytes one time in the
> comparison.
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