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Title: GH-93897: Store frame size in code object and de-opt if insufficient space on thread frame stack. by markshannon · Pull Request #93908 · python/cpython · GitHub

Open Graph Title: GH-93897: Store frame size in code object and de-opt if insufficient space on thread frame stack. by markshannon · Pull Request #93908 · python/cpython

X Title: GH-93897: Store frame size in code object and de-opt if insufficient space on thread frame stack. by markshannon · Pull Request #93908 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: Speeds up pushing a frame, by removing a few branches. De-opt if there isn't space for a frame. This should be very rare. Move check for NULL locals off fast path. Compute size of frame when c...

X Description: Speeds up pushing a frame, by removing a few branches. De-opt if there isn't space for a frame. This should be very rare. Move check for NULL locals off fast path. Compute size of frame wh...

Opengraph URL: https://github.com/python/cpython/pull/93908

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GH-93897: Store frame size in code object and de-opt if insufficient space on thread frame stack.https://github.com/python/cpython/pull/93908/commits#top
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Move NULL check and incref off the fast path.https://github.com/python/cpython/pull/93908/commits/6f7b085233a55c1f6929ab6d1d0594cec2ffeef4
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Use size in frame space check. Allows multiple frames to be checked at once.https://github.com/python/cpython/pull/93908/commits/5fdd7f8dc5a1f9f8cffcd4f6bee86766f56963d2
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