If numpy-c were to be called over ctypes, it'd be slow.The reason PyPy's numpy reimplementation is so insanely fast is the integration with the JIT. A more pla

If numpy-c were to be called over ctypes, it'd be slow.The reason PyPy's numpy reimplementation is so insanely fast is the integration with the JIT. A more plausible scenario would be both CPython and PyPy using numpy-py to call into numpy-c and numpy-pypy respectively.