Official CPython is slow, but there are many ways to get better performanceFacebook has released Cinder, used internally in Instagram to improve Python performance, while another faster Python, called Pyston, has released version 2.2 and made the project open source (again).…

Source: LXer – The quest for faster Python: Pyston returns to open source, Facebook releases Cinder, or should devs just use PyPy?