A look at the different Ruby virtual machines (JRuby, MagLev, IronRuby, Rubinius, MacRuby) and how to choose what fits best within the enterprise.
In this presentation from the JVM Languages Summit 2008, Charles Nutter discusses bringing JRuby to the JVM, why Ruby is hard to implement, JIT compilation, precompilation, core Ruby implementation, Java library method access, method call semantics, scopes, open classes, heap-based frames, library challenges, strings, regexps, I/O, green threads, POSIX features, C lib support and future plans.
Neal Ford talks about Mingle, Thoughtworks Studios' project management software. Mingle is written or JRuby - Neal explains the experience with building a product on JRuby, solutions to problems, and future plans for using JRuby in Mingle.
In this presentation from QCon San Francisco 2007, Charles Nutter discusses the Ruby and JRuby featureset, the JRuby compiler, calling Java from JRuby and vice versa, programming Swing with JRuby, JRuby web applications, JRuby on Rails, persistence, build automation, Test-Driven Development and Behaviour-Driven Development.
In this presentation from InfoQ Day at Java One, Thomas Enebo and Charles Nutter show off the current state of the JRuby project, which has come a long way under their stewardship. The presentation shows compelling demonstrations of how the Ruby language and key Ruby applications can function well on the Java Virtual Machine.