> The difference is negligible if you use the right libraries. OpenCV is written in C++, it's going to be fairly efficient to call out to it in any language.

> The difference is negligible if you use the right libraries. OpenCV is written in C++, it's going to be fairly efficient to call out to it in any language. For me, most of the time spent in our code is in 'business logic' which necessarily must be in the main language of the codebase. That's where PyPy gets its wins.