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gh-91345: Talk about sys._getframe compatibility in 3.11 whatsnew #92552

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May 9, 2022
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gh-91345: Talk about sys._getframe compatibility in 3.11 whatsnew #92552

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c9b2d22
Add a note about ``sys._getframe`` compatibility in 3.11 whatsnew
Fidget-Spinner May 9, 2022
f8508aa
Minimise diff
Fidget-Spinner May 9, 2022
1edcfdb
Address Kumar's code review
Fidget-Spinner May 9, 2022
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9 changes: 5 additions & 4 deletions Doc/whatsnew/3.11.rst
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Expand Up @@ -891,10 +891,11 @@ holds execution information. The following are new frame optimizations:
- Streamlined the internal frame struct to contain only essential information.
Frames previously held extra debugging and memory management information.

Old-style frame objects are now created only when required by debuggers. For
most user code, no frame objects are created at all. As a result, nearly all
Python functions calls have sped up significantly. We measured a 3-7% speedup
in pyperformance.
Old-style frame objects are now created only when requested by debuggers or
by Python introspection functions such as ``sys._getframe`` or
``inspect.currentframe``. For most user code, no frame objects are
created at all. As a result, nearly all Python functions calls have sped
up significantly. We measured a 3-7% speedup in pyperformance.

(Contributed by Mark Shannon in :issue:`44590`.)

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