Prototype on the JVM but compile to C for production or performance critical tests? Ideally, no refactoring required at all. I guess it also helps to work with

Prototype on the JVM but compile to C for production or performance critical tests? Ideally, no refactoring required at all. I guess it also helps to work with a dialect with more momentum. E.g. its easier to find support, on- and offline. Since I haven't really used Closure or any other Lisp for more than a tutorial, I might be very wrong, though.