When I first heard about this it was promoted as a faster ruby implementation. How far away is it from running rails? Interesting that they've gone as far as r

When I first heard about this it was promoted as a faster ruby implementation. How far away is it from running rails? Interesting that they've gone as far as running C extensions "internally", making it easier to run existing ruby apps without running up against the barrier of a native gem and having to change the code.