http://openjdk.java.net/projects/code-tools/jmh/
http://hg.openjdk.java.net/code-tools/jmh/file/tip/jmh-samples/src/main/java/org/openjdk/jmh/samples/
As a good tradition, we will take some diversions into benchmarking methodology, so that even though the post itself is targeted to platform people, the non-platform people can still learn a few tricks. As usual, if you still haven’t learned about JMH and/or haven’t looked through the JMH samples, then I suggest you do that first before reading the rest of this post for the best experience.
Benchmark
The discussion in that particular StackOverflow thread dates back a few questions, so instead of digging there, we will just take the latest benchmark code, and wrap it up with JMH. JMH already has the bindings for Java and Scala, which somewhat alleviates the difference in testing methodology. You can find full benchmark code here (warning, it contains spoilers).
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