0 a.k.a. <A href="http://blog.headius.com/2009/04/how-jruby-makes-ruby-fast.html">How JRuby makes Ruby fast.</a> Charles Nutter takes us on a walk through JRuby's differing levels of optimization and what effects they have. A great read. 2009-04-02T23:00:56+00:00 false 1999 2009-04-02T23:01:20+00:00 5