Experiments in Sharing Java VM Technology with CRubyExperiments in Sharing Java VM Technology with CRubyAI-enhanced description IBM is developing a just-in-time (JIT) compiler called Testarossa based on its Open Runtime (OMR) toolkit. The goal is to integrate the JIT compiler into MRI Ruby to improve performance without changing how MRI works. So far, the JIT supports most opcodes and can run Rails applications, but performance gains are modest. IB
