Python subinterpreters with separate GILs

[Christian Heimes]

On 11/02/2021 03.51, James Lu wrote:
> Directly removing the Global Interpreter Lock (GIL) would break a lot
> of libraries that implicitly assume it is there. What if Python had
> "realms" that each had separate GILs?
> 
> The "realms" (not sure if "subinterpreter" is the correct term here)
> could share objects.

Eric Snow and others have been working on that since 2017,
https://www.python.org/dev/peps/pep-0554/