[Python-Dev] [PEP 558] thinking through locals() semantics
ncoghlan at gmail.com
Wed May 29 01:22:55 EDT 2019
On Wed., 29 May 2019, 2:29 pm Guido van Rossum, <guido at python.org> wrote:
> So why is it “hellish” for JITs if locals() returns a proxy, while
> frame.f_locals being a proxy is okay?
As I understand it, they already drop out of compiled mode if they detect
that the code is tinkering with frame objects.
Having a single locals() call de-optimize an entire function would be far
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Python-Dev