CRuby just got a JIT! There have been many attempts at implementing a JIT for CRuby, the reference implementation of Ruby. None have been merged, until now. ,---. ,---. .-./`) .-./`) ,---------. . ' , | \ / | \ '_ .')\ .-.')\ \ _________ | , \/ , | (_ (_) _)/ `-' \ `--. ,---' /_\/_ _ \/_\ | |\_ /| | / . \ `-'`"` | \ \ \ / / | _( )_/ | | ___ | '`| .---. : : , \\ // . | (_ J _) | || | | ' | | | | \/