> significantly faster (at least as fast as Google V8 for ECMAScript) Not by a long shot. > and that supports the full Ruby language And that's not even coun

> significantly faster (at least as fast as Google V8 for ECMAScript) Not by a long shot. > and that supports the full Ruby language And that's not even counting that. Your best bet for speed with some remotely Ruby flavored language would be Crystal. Your best bet for parallelism (using JVM threads) with full Ruby support would be JRuby. Topaz is dead. There's the experimental TruffleRuby but I'd rather not bet on this yet.