[issue40521] [subinterpreters] Make free lists and unicode caches per-interpreter

[Mark Shannon]

Mark Shannon <mark at hotpy.org> added the comment:

I'm worried about the performance impact of these changes, especially as many of the changes haven't been reviewed.

Have you done any performance analysis or tests of the cumulative effect of all these changes?

----------
nosy: +Mark.Shannon

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40521>
_______________________________________