TruffleRuby

"TruffleRuby" attracted 113 upvotes and 6 comments, reigniting interest in the high-performance Ruby implementation built on GraalVM, a reminder that the JVM ecosystem still has surprises for scripting language fans. With startup times 2× faster than the average Ruby runtime and benchmark scores that beat CRuby by 30% in web server stress tests, it positions itself as the fastest Ruby interpreter available.