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Eli Reisman commented on AVRO-939: ---------------------------------- --- 1000 bytes, trunk, 64bit jvm --- Executing tests: [ByteCompare] readTests:true writeTests:true cycles=800 test name time M entries/sec M bytes/sec bytes/cycle ByteCompareCompute: 17129 ms 2.919 0.000 0 --- 100 bytes, trunk, 64bit jvm --- Executing tests: [ByteCompare] readTests:true writeTests:true cycles=800 test name time M entries/sec M bytes/sec bytes/cycle ByteCompareCompute: 2286 ms 21.864 0.000 0 --- 10 bytes, trunk, 64bit jvm --- Executing tests: [ByteCompare] readTests:true writeTests:true cycles=800 test name time M entries/sec M bytes/sec bytes/cycle ByteCompareCompute: 999 ms 50.024 0.000 0 > 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(). -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira