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gh-150871: Speed up JSON string decoding for long ASCII strings #195073

gh-150871: Speed up JSON string decoding for long ASCII strings

gh-150871: Speed up JSON string decoding for long ASCII strings #195073

Triggered via pull request June 3, 2026 16:29
Status Cancelled
Total duration 10m 46s
Artifacts 2

build.yml

on: pull_request
Change detection  /  Create context from changed files
14s
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
Docs  /  Doctest
7m 34s
Docs / Doctest
Docs  /  Check EPUB
2m 19s
Docs / Check EPUB
Check if Autoconf files are up to date
23s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 5s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
12s
C API Docs / Check if all C APIs are documented
iOS
10m 12s
iOS
Emscripten  /  build and test
10m 5s
Emscripten / build and test
WASI  /  build and test
5m 22s
WASI / build and test
Hypothesis tests on Ubuntu
9m 4s
Hypothesis tests on Ubuntu
Cross build Linux
4m 2s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 8s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
5s
All required checks pass
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77 errors and 4 warnings
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
CIFuzz / cpython3 (undefined)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
CIFuzz / cpython3 (undefined)
The operation was canceled.
CIFuzz / python3-libraries (address)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
CIFuzz / python3-libraries (address)
The operation was canceled.
CIFuzz / cpython3 (memory)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
CIFuzz / cpython3 (memory)
The operation was canceled.
CIFuzz / cpython3 (address)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
CIFuzz / cpython3 (address)
Path does not exist: cifuzz-sarif/results.sarif
CIFuzz / cpython3 (address)
The operation was canceled.
Windows / Build and test (Win32, switch-case)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Windows / Build and test (Win32, switch-case)
The operation was canceled.
Windows / Build and test (x64, tail-call)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Windows / Build and test (x64, tail-call)
The operation was canceled.
Windows / Build and test (x64, switch-case)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Windows / Build and test (x64, switch-case)
The operation was canceled.
Windows (free-threading) / Build and test (x64, tail-call)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Windows (free-threading) / Build and test (x64, tail-call)
The operation was canceled.
Windows (free-threading) / Build and test (x64, switch-case)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Windows (free-threading) / Build and test (x64, switch-case)
The operation was canceled.
Windows / Build and test (arm64, switch-case)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Windows / Build and test (arm64, switch-case)
The operation was canceled.
Windows (free-threading) / Build and test (arm64, switch-case)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Windows (free-threading) / Build and test (arm64, switch-case)
The operation was canceled.
Emscripten / build and test
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Emscripten / build and test
The operation was canceled.
Android (x86_64)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Android (x86_64)
The operation was canceled.
Ubuntu (free-threading) / build and test (ubuntu-24.04)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Ubuntu / build and test (ubuntu-24.04)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Ubuntu (free-threading) / build and test (ubuntu-24.04)
The operation was canceled.
Ubuntu / build and test (ubuntu-24.04)
The operation was canceled.
Ubuntu (bolt) / build and test (ubuntu-24.04)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Ubuntu (bolt) / build and test (ubuntu-24.04)
The operation was canceled.
Ubuntu / build and test (ubuntu-24.04-arm)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Ubuntu / build and test (ubuntu-24.04-arm)
The operation was canceled.
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)
The operation was canceled.
Sanitizers / UBSan
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Sanitizers / UBSan
The operation was canceled.
Address sanitizer (ubuntu-24.04)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Address sanitizer (ubuntu-24.04)
The operation was canceled.
Sanitizers / TSan
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Sanitizers / TSan
The operation was canceled.
Sanitizers / TSan (free-threading)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Sanitizers / TSan (free-threading)
The operation was canceled.
macOS (free-threading) / build and test (macos-26)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
macOS (free-threading) / build and test (macos-26)
The operation was canceled.
iOS
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
iOS
The operation was canceled.
macOS / build and test (macos-26-intel)
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
macOS / build and test (macos-26-intel)
The operation was canceled.
All required checks pass
Process completed with exit code 1.
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
Tests
Canceling since a higher priority waiting request for Tests-gaborbernat-opt/json-swar-string-scan exists
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
362 Bytes
sha256:93eddb02e9b3663e1932db399e5b800af35cca150e4773c374ef251cbb01edec
html-ids-head.json.gz
120 KB
sha256:fadeb42f8b3b3d4e3da1941222e040c173f4d9362ebc30b8943af3f54f0053f8