They come for free. The nitty-gritty: The performance optimizations in Python 3.6 come through bytecode parsing improvements, faster function calling, and more efficient dictionaries. The ...

A callback function could be registered by a tool ... the GC runs only on the “eval breaker” mechanism in the Python bytecode loop—that is, between executing one bytecode and another.

What’s the deal with PyXL? “It’s actual Python executed in silicon,” notes the project site. “A custom toolchain compiles a .py file into CPython ByteCode, translates it to a custom ...