Oh, absolutely. I'm not saying it's perfect, by any means - just that the JRuby team have pulled off an astounding job to get it as good as it is, given the lim

Oh, absolutely. I'm not saying it's perfect, by any means - just that the JRuby team have pulled off an astounding job to get it as good as it is, given the limits of the JVM. Also, native libraries are becoming less of a problem now that libffi has a bit of momentum.