[jruby-user] Re: JRuby is much more than a Java version of MRI Ruby

I am the creator of RubyNEAT and would love to be able to run my Ruby
Neural Evolution of Augmenting Topologies implementation on JRuby mainly
to gain some speed benefits and also to leverage multicore concurrency.


I have elected to make my code fully Ruby 2.x and I do make heavy use of
metaprogramming, named parameters, and other features of 2.x. Because of
this, I cannot run on Rubinus or JRuby until they become fully 2.x
compliant.


I think it is very important for all MRI-alternatives for Ruby to be
able to talk the same talk and walk the same walk. In an ideal world,
the latest Rails stack or Sinatra or the vast majority of Gems not using
extensions should just run "out of the box" on JRuby.

To do otherwise would hurt JRuby and cause a fracture in the Ruby
community, forcing developers to chose what they will write for with
their limited resources or to have to resort to special-casing their
code for both environments.

This has happened already with C++ in the past, is still a bugaboo with
JavaScript (though the condition has vastly improved over the past and
the frameworks do a good job of hiding the few remaining warts).

Also, I am working hard on introducing Machine Learning to the Ruby
world, which has been neglected up till now.

Compatibility is the Synergy of Über-excellence.

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