He's following the code in the original article: https://www.crumpington.com/blog/2014/10-19-high-performance-python-extensions-part-1.html https://www.crumping

He's following the code in the original article: https://www.crumpington.com/blog/2014/10-19-high-performance-python-extensions-part-1.html https://www.crumpington.com/blog/2014/10-19-high-performance... Makes side by side comparisons easier.