Pypy is very fast, but to me what's way more significant about pypy is that more than being just interpreter, it's a toolchain for writing other interpreters th

Pypy is very fast, but to me what's way more significant about pypy is that more than being just interpreter, it's a toolchain for writing other interpreters that automatically generates a JIT compiler for you. I'd really be interested to see what sort of performance you could get writing interpreters for other languages in RPython.