Actually even C can be very much non-deterministic. You have to be careful with memory-related issues. free() and malloc() can stall your program quite drasti

Actually even C can be very much non-deterministic. You have to be careful with memory-related issues. free() and malloc() can stall your program quite drastically if you're not careful. So no, it's not just a matter of avoiding slow scripting languages. Plenty of "scripting languages" are used in audio, in fact, they just have different memory models. (See, supercollider, chuck, puredata)