[Python-Dev] Let's change to C API!
My first impression is that making things faster and hiding
implementation details in the ABI are contrary goals. I agree with
hiding implementation details in the API but not in the ABI.
For example, you mention that you want to make Py_INCREF() a function
call instead of a macro. But since Py_INCREF is very common, I would
guess that this would make performance worse (not by much maybe but