Feature or enhancement

Proposal:

By using atomic exchanges we can avoid locks in _STORE_ATTR_SLOTS.

Has this already been discussed elsewhere?

A similar approach has been implemented already for the _LOAD_ATTR_SLOTS.

Links to previous discussion of this feature:

No response

Linked PRs

• gh-150277: Make _STORE_ATTR_SLOT lock-free on the free-threaded build #150324