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Those benchmarks are fairly useless, because it doesn't compare idiomatic usage of those languages, but rather the capability of those languages to drop to low-level primitives and libraries.

I did an experiment once, testing out a simple web-service on the JVM and Scala (with Scalatra) yields the same performance as Java (with Jax-RS), while Clojure (with Noir) is only 2x to 3x as slow and JRuby (Sinatra) is only 4x-5x as slow as Java.



>>Those benchmarks are fairly useless, because it doesn't compare idiomatic usage of those languages...<<

You seem to be complaining that the programmers were not forced to write slow programs :-)

>>I did an experiment once...<<

And you used libraries.


No, I'm complaining that those benchmarks aren't mirroring the way developers actually write code.


What specifically do you think the difference is, and how do you know?




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