Yaakov Y. answered 04/28/21
Python developer, DevOps engineer, Freelancer
As a rule of thumb - most packages in python that are touting to be "faster" or normally developed in C or C++ as they are much more low-level and do not require a framework or a JIT compiler in place,
NumPy is no different in this case (https://www.w3schools.com/python/numpy/numpy_intro.asp)