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Title: Thread-safe type operations: type lock, QSBR type-cache reclamation, GC stop-the-world, and interpreter optimizations by youknowone · Pull Request #7416 · RustPython/RustPython · GitHub

Open Graph Title: Thread-safe type operations: type lock, QSBR type-cache reclamation, GC stop-the-world, and interpreter optimizations by youknowone · Pull Request #7416 · RustPython/RustPython

X Title: Thread-safe type operations: type lock, QSBR type-cache reclamation, GC stop-the-world, and interpreter optimizations by youknowone · Pull Request #7416 · RustPython/RustPython

Description: A Python Interpreter written in Rust. Contribute to RustPython/RustPython development by creating an account on GitHub.

Open Graph Description: Introduce vm.state.type_mutex to serialize type mutation and version-tag assignment, matching CPython's free-threading model. Add with_type_lock() helper and split modified/assign_version_tag ...

X Description: Introduce vm.state.type_mutex to serialize type mutation and version-tag assignment, matching CPython's free-threading model. Add with_type_lock() helper and split modified/assign_version_...

Opengraph URL: https://github.com/RustPython/RustPython/pull/7416

X: @github

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Domain: github.com

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og:image:altIntroduce vm.state.type_mutex to serialize type mutation and version-tag assignment, matching CPython's free-threading model. Add with_type_lock() helper and split modified/assign_version_tag ...
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Unmark test_attr and test_method_call_error in test_monitoringhttps://github.com/RustPython/RustPython/pull/7416/commits/5f43c79422b6a8811925d387cc0cdaab1870591b
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Replace per-call thread-frame mutex with an atomic top-of-stack (unix)https://github.com/RustPython/RustPython/pull/7416/commits/df702842532b3856a8fd2c94ec1bd9e620073e45
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Skip exc_info save/restore for callees that never touch the slothttps://github.com/RustPython/RustPython/pull/7416/commits/f525b380de794dc9b709c1c79f19646f34cf6a13
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Return a write-through FrameLocalsProxy from frame.f_localshttps://github.com/RustPython/RustPython/pull/7416/commits/98351a58d1fe688b327b2ce287f0f690d249763c
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Retain the caller frame so f_back resolves after it returnshttps://github.com/RustPython/RustPython/pull/7416/commits/a9f8b61e7949f3e023ce7ce9ae1e79d723ee743a
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Allocate exception instance __dict__ lazilyhttps://github.com/RustPython/RustPython/pull/7416/commits/4a92aadaed7e6f728ba1468cb17c75f9bd6ce0cc
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Validate FrameLocalsProxy.update() argumentshttps://github.com/RustPython/RustPython/pull/7416/commits/c172c74c2e421cff69ca4b0e0241d7fafe62e379
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Address review nits in frame and faulthandlerhttps://github.com/RustPython/RustPython/pull/7416/commits/2652f4d29e1173cdc5cf609ec6d865c9e4fb5aed
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