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I don't mean this to come out as negatively as it might sound, but JRuby being faster than Ruby 1.8 isn't saying much; MRI is pretty slow.


It's still great that JRuby beats plain old Ruby in speed and also gives you Java access. The only (relatively old) benchmarks I've seen with YARV are over here: http://antoniocangiano.com/category/ruby/


... and for me, it matters more if Rails will run faster on jRuby. The benchmarks may or may not reflect an increased performance advantage for a Rails app.

Or at the very least, be able to compile a Rails app into bytecode for commercial distribution. I would have a use for that even if jRuby doesn't run as fast as MRI.


true - but at least someone is trying to fix it hehe




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