You can still use Ruby if you have a need for speed. Try JRuby, TruffleRuby, or mruby depending on the application. But be sure that MRI isn't fast enough. MRI

You can still use Ruby if you have a need for speed. Try JRuby, TruffleRuby, or mruby depending on the application. But be sure that MRI isn't fast enough. MRI will improve faster than any of the others.