I believe this article [0] (previous discussion [1]) from one of pyston's authors gives a much better overview of why python is slow.
[0] http://blog.kevmod.com/2016/07/why-is-python-slow/ [1] https://news.ycombinator.com/item?id=12025309
Also, 4 pays ago there was a "why is python slow" post with many interesting comments: https://news.ycombinator.com/item?id=12025309
I believe this article [0] (previous discussion [1]) from one of pyston's authors gives a much better overview of why python is slow.
[0] http://blog.kevmod.com/2016/07/why-is-python-slow/ [1] https://news.ycombinator.com/item?id=12025309