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https://issues.apache.org/jira/browse/AVRO-939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419382#comment-13419382
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Eli Reisman commented on AVRO-939:
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nice! I did check java -version and its 64bit hotspot so we're good. I'm used
to Linux uname dump where 64 bit is "x86_64" this dump said I386, didn't know
what that meant in mac universe. Thanks again!
> Java: optimize BinaryData#compareBytes() to use sun.misc.Unsafe when available
> ------------------------------------------------------------------------------
>
> Key: AVRO-939
> URL: https://issues.apache.org/jira/browse/AVRO-939
> Project: Avro
> Issue Type: New Feature
> Components: java
> Affects Versions: 1.7.1
> Reporter: Doug Cutting
> Attachments: AVRO-939-1.patch, AVRO-939-2.patch, AVRO-939-3.patch,
> AVRO-939-4.patch, AVRO-939.patch
>
>
> Google's Guava libraries include an optimized implementation of lexicographic
> byte comparison based on sun.misc.Unsafe that's ~4x faster than the normal
> Java implementation.
> http://hiroshiyamauchi.blogspot.com/2010/08/fast-unsigned-byte-lexicographical.html
> http://www.google.com/codesearch#UKMs0lhE9bg/trunk/src/com/google/common/primitives/UnsignedBytes.java&l=276
> We might similarly optimize BinaryData#compareBytes().
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