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gh-152075: Avoid lock contention in _Py_Specialize_LoadGlobal under free threading #201418

gh-152075: Avoid lock contention in _Py_Specialize_LoadGlobal under free threading

gh-152075: Avoid lock contention in _Py_Specialize_LoadGlobal under free threading #201418

Triggered via pull request July 14, 2026 20:15
Status Cancelled
Total duration 5m 39s
Artifacts 1

build.yml

on: pull_request
Change detection  /  Create context from changed files
12s
Change detection / Create context from changed files
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests
Matrix: build-ubuntu
Matrix: build-windows-msi
Waiting for pending jobs
Matrix: build-windows
Matrix: cifuzz
Check if Autoconf files are up to date
32s
Check if Autoconf files are up to date
Check if generated files are up to date
2m 42s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
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C API Docs / Check if all C APIs are documented
iOS
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iOS
Emscripten  /  build and test
5m 6s
Emscripten / build and test
WASI  /  build and test
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WASI / build and test
Hypothesis tests on Ubuntu
5m 6s
Hypothesis tests on Ubuntu
Cross build Linux
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Cross build Linux
Docs  /  Check EPUB
Docs / Check EPUB
Docs  /  Doctest
Docs / Doctest
Docs  /  Docs
Docs / Docs
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
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80 errors and 7 warnings
Check if generated files are up to date
Process completed with exit code 2.
CIFuzz / cpython3 (memory)
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Android (x86_64)
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Android (x86_64)
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Ubuntu / build and test (ubuntu-26.04)
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Emscripten / build and test
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Windows (free-threading) / Build and test (arm64, switch-case)
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Ubuntu / build and test (ubuntu-26.04-arm)
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Ubuntu / build and test (ubuntu-26.04-arm)
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Hypothesis tests on Ubuntu
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Hypothesis tests on Ubuntu
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Sanitizers / TSan (free-threading)
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Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
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Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
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Ubuntu (free-threading) / build and test (ubuntu-26.04)
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Ubuntu (free-threading) / build and test (ubuntu-26.04)
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Ubuntu (bolt) / build and test (ubuntu-26.04)
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Ubuntu (bolt) / build and test (ubuntu-26.04)
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Sanitizers / UBSan
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Windows (free-threading) / Build and test (x64, tail-call)
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Windows (free-threading) / Build and test (x64, tail-call)
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Windows / Build and test (x64, tail-call)
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Windows / Build and test (x64, tail-call)
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macOS (free-threading) / build and test (macos-26)
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macOS (free-threading) / build and test (macos-26)
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macOS / build and test (macos-26-intel)
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macOS / build and test (macos-26-intel)
The operation was canceled.
iOS
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iOS
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macOS / build and test (macos-26)
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macOS / build and test (macos-26)
The operation was canceled.
Tests
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All required checks pass
Process completed with exit code 1.
Tests
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Tests
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Tests
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Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS (free-threading) / build and test (macos-26)
The following taps are not trusted: aws/tap Homebrew is currently ignoring formulae, casks and commands from these taps because tap trust is required. Untap them with: brew untap aws/tap Trust specific formulae, casks and commands with: brew trust --formula <user>/<tap>/<formula> brew trust --cask <user>/<tap>/<cask> brew trust --command <user>/<tap>/<command> Whole-tap trust is broader and includes all current and future formulae, casks and commands from the listed taps. Trust whole taps with: brew trust aws/tap To disable trust checks: export HOMEBREW_NO_REQUIRE_TAP_TRUST=1 This is not recommended and will be removed in a later release. For more information, see: https://docs.brew.sh/Tap-Trust
macOS / build and test (macos-26-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26-intel)
The following taps are not trusted: aws/tap Homebrew is currently ignoring formulae, casks and commands from these taps because tap trust is required. Untap them with: brew untap aws/tap Trust specific formulae, casks and commands with: brew trust --formula <user>/<tap>/<formula> brew trust --cask <user>/<tap>/<cask> brew trust --command <user>/<tap>/<command> Whole-tap trust is broader and includes all current and future formulae, casks and commands from the listed taps. Trust whole taps with: brew trust aws/tap To disable trust checks: export HOMEBREW_NO_REQUIRE_TAP_TRUST=1 This is not recommended and will be removed in a later release. For more information, see: https://docs.brew.sh/Tap-Trust
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26)
The following taps are not trusted: aws/tap Homebrew is currently ignoring formulae, casks and commands from these taps because tap trust is required. Untap them with: brew untap aws/tap Trust specific formulae, casks and commands with: brew trust --formula <user>/<tap>/<formula> brew trust --cask <user>/<tap>/<cask> brew trust --command <user>/<tap>/<command> Whole-tap trust is broader and includes all current and future formulae, casks and commands from the listed taps. Trust whole taps with: brew trust aws/tap To disable trust checks: export HOMEBREW_NO_REQUIRE_TAP_TRUST=1 This is not recommended and will be removed in a later release. For more information, see: https://docs.brew.sh/Tap-Trust

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
363 Bytes
sha256:7ebc5de1ae48c573eae1c2d73f1d0bbd307632fed88d7bcf8467daa52fe547bf