> V8 can get C++-like performance (I mean it's C++ after all)

I don’t think that follows. Python is written in C, but that doesn’t mean it can get C-like performance. The sticking point is in how much work the runtime has to do for each chunk of code it has to execute.

(Edit: sorry, that’s in reply to another child content. I’m on my phone in a commute and tapped the wrong reply button.)