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Title: gh-107674: Improve performance of `sys.settrace` by gaogaotiantian · Pull Request #114986 · python/cpython · GitHub

Open Graph Title: gh-107674: Improve performance of `sys.settrace` by gaogaotiantian · Pull Request #114986 · python/cpython

X Title: gh-107674: Improve performance of `sys.settrace` by gaogaotiantian · Pull Request #114986 · python/cpython

Description: We observed a severe performance regression on sys.settrace when PEP 669 is implemented. One of the important reason is how we deal with the instrumented lines in the trace function. In 3.11, it's ...

Open Graph Description: We observed a severe performance regression on sys.settrace when PEP 669 is implemented. One of the important reason is how we deal with the instrumented lines in the trace function. In 3.11, it...

X Description: We observed a severe performance regression on sys.settrace when PEP 669 is implemented. One of the important reason is how we deal with the instrumented lines in the trace function. In 3.11, it&am...

Opengraph URL: https://github.com/python/cpython/pull/114986

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[3.12] GH-127953: Make line number lookup O(1) regardless of the size of the code object (GH-129127) #132268 https://github.com/python/cpython/pull/132268
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