JRuby is not a JIT for Ruby, and it doesn't compile Ruby to Java bytecode. It's ... | Hacker News

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		jim-greer on Jan 30, 2009 \| parent \| context \| favorite \| on: Lua vs Ruby benchmarks (similarly "high-level" lan... JRuby is not a JIT for Ruby, and it doesn't compile Ruby to Java bytecode. It's a Ruby interpreter, written in Java.

cschneid on Jan 30, 2009 [–]

Recent work in JRuby does exactly that. It'll JIT your code, and you an even pre-compile if you want.

(AFAIK, just seen references to all this).

jim-greer on Jan 31, 2009 | [–]

Cool! Looks like it's been around for over a year:

http://wiki.jruby.org/wiki/JRuby_Compiler

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