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[3.14] Refactor jit.yml (GH-144577) by savannahostrowski · Pull Request #145126 · python/cpython · GitHub

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[3.14] Refactor jit.yml (GH-144577) #145126

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Merged
savannahostrowski merged 8 commits into from
Feb 23, 2026
Conversation 6 Commits 8 Checks 59 Files changed
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[3.14] Refactor jit.yml (GH-144577) #145126

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763bd54
Clean up cherry pick
savannahostrowski Feb 22, 2026
05cb507
Add new line
savannahostrowski Feb 22, 2026
7bc83cd
Remove JIT + free threaded
savannahostrowski Feb 22, 2026
324e762
Remove continue on error
savannahostrowski Feb 22, 2026
f0339ff
Revert accidental changes to devcontainer from other branch;
savannahostrowski Feb 22, 2026
01a14b3
Add newline...again
savannahostrowski Feb 22, 2026
69fe331
Apply suggestions from code review
savannahostrowski Feb 23, 2026
d6ae722
Merge branch '3.14' into backport-819ea3c-3.14
savannahostrowski Feb 23, 2026
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175 changes: 98 additions & 77 deletions .github/workflows/jit.yml
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Original file line number Diff line number Diff line change
@@ -1,21 +1,15 @@
name: JIT
on:
pull_request:
paths:
paths: &paths
- '**jit**'
- 'Python/bytecodes.c'
- 'Python/optimizer*.c'
- '!Python/perf_jit_trampoline.c'
- '!**/*.md'
- '!**/*.ini'
push:
paths:
- '**jit**'
- 'Python/bytecodes.c'
- 'Python/optimizer*.c'
- '!Python/perf_jit_trampoline.c'
- '!**/*.md'
- '!**/*.ini'
paths: *paths
workflow_dispatch:

permissions:
Expand All @@ -27,12 +21,13 @@ concurrency:

env:
FORCE_COLOR: 1
LLVM_VERSION: 19

jobs:
interpreter:
name: Interpreter (Debug)
runs-on: ubuntu-24.04
timeout-minutes: 90
timeout-minutes: 60
steps:
- uses: actions/checkout@v6
with:
Expand All @@ -44,27 +39,22 @@ jobs:
- name: Test tier two interpreter
run: |
./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
jit:

windows:
name: ${{ matrix.target }} (${{ matrix.debug && 'Debug' || 'Release' }})
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needs: interpreter

runs-on: ${{ matrix.runner }}
timeout-minutes: 90
timeout-minutes: 60
strategy:
fail-fast: false
matrix:
target:
- i686-pc-windows-msvc/msvc
- x86_64-pc-windows-msvc/msvc
- aarch64-pc-windows-msvc/msvc
- x86_64-apple-darwin/clang
- aarch64-apple-darwin/clang
- x86_64-unknown-linux-gnu/gcc
- aarch64-unknown-linux-gnu/gcc
debug:
- true
- false
llvm:
- 19
include:
- target: i686-pc-windows-msvc/msvc
architecture: Win32
Expand All @@ -75,103 +65,134 @@ jobs:
- target: aarch64-pc-windows-msvc/msvc
architecture: ARM64
runner: windows-11-arm
- target: x86_64-apple-darwin/clang
architecture: x86_64
runner: macos-15-intel
- target: aarch64-apple-darwin/clang
architecture: aarch64
runner: macos-14
- target: x86_64-unknown-linux-gnu/gcc
architecture: x86_64
runner: ubuntu-24.04
- target: aarch64-unknown-linux-gnu/gcc
architecture: aarch64
runner: ubuntu-24.04-arm
steps:
- uses: actions/checkout@v6
with:
persist-credentials: false
- uses: actions/setup-python@v6
with:
python-version: '3.11'

# PCbuild downloads LLVM automatically:
- name: Windows
if: runner.os == 'Windows'
- name: Build
run: |
./PCbuild/build.bat --experimental-jit ${{ matrix.debug && '-d' || '' }} -p ${{ matrix.architecture }}
- name: Test
run: |
./PCbuild/rt.bat ${{ matrix.debug && '-d' || '' }} -p ${{ matrix.architecture }} -q --multiprocess 0 --timeout 4500 --verbose2 --verbose3

- name: macOS
if: runner.os == 'macOS'
macos:
name: ${{ matrix.target }} (${{ matrix.debug && 'Debug' || 'Release' }})
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runs-on: ${{ matrix.runner }}
timeout-minutes: 60
strategy:
fail-fast: false
matrix:
target:
- x86_64-apple-darwin/clang
- aarch64-apple-darwin/clang
debug:
- true
- false
include:
- target: x86_64-apple-darwin/clang
runner: macos-15-intel
- target: aarch64-apple-darwin/clang
runner: macos-14
steps:
- uses: actions/checkout@v6
with:
persist-credentials: false
- uses: actions/setup-python@v6
with:
python-version: '3.11'
- name: Install LLVM
run: |
brew update
brew install llvm@${{ matrix.llvm }}
brew install llvm@${{ env.LLVM_VERSION }}
- name: Build
run: |
export SDKROOT="$(xcrun --show-sdk-path)"
# Set MACOSX_DEPLOYMENT_TARGET and -Werror=unguarded-availability to
# make sure we don't break downstream distributors (like uv):
export CFLAGS_JIT='-Werror=unguarded-availability'
export MACOSX_DEPLOYMENT_TARGET=10.15
./configure --enable-experimental-jit --enable-universalsdk --with-universal-archs=universal2 ${{ matrix.debug && '--with-pydebug' || '' }}
make all --jobs 4
- name: Test
run: |
./python.exe -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3

- name: Linux
if: runner.os == 'Linux'
linux:
name: ${{ matrix.target }} (${{ matrix.debug && 'Debug' || 'Release' }})
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runs-on: ${{ matrix.runner }}
timeout-minutes: 60
strategy:
fail-fast: false
matrix:
target:
- x86_64-unknown-linux-gnu/gcc
- aarch64-unknown-linux-gnu/gcc
debug:
- true
- false
include:
- target: x86_64-unknown-linux-gnu/gcc
runner: ubuntu-24.04
- target: aarch64-unknown-linux-gnu/gcc
runner: ubuntu-24.04-arm
steps:
- uses: actions/checkout@v6
with:
persist-credentials: false
- uses: actions/setup-python@v6
with:
python-version: '3.11'
- name: Build
run: |
sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ env.LLVM_VERSION }}
export PATH="$(llvm-config-${{ env.LLVM_VERSION }} --bindir):$PATH"
./configure --enable-experimental-jit ${{ matrix.debug && '--with-pydebug' || '' }}
make all --jobs 4
- name: Test
run: |
./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
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# XXX: GH-133171
# jit-with-disabled-gil:
# name: Free-Threaded (Debug)
# needs: interpreter
# runs-on: ubuntu-24.04
# timeout-minutes: 90
# strategy:
# fail-fast: false
# matrix:
# llvm:
# - 19
# steps:
# - uses: actions/checkout@v6
# with:
# persist-credentials: false
# - uses: actions/setup-python@v6
# with:
# python-version: '3.11'
# - name: Build with JIT enabled and GIL disabled
# run: |
# sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
# export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
# ./configure --enable-experimental-jit --with-pydebug --disable-gil
# make all --jobs 4
# - name: Run tests
# run: |
# ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
tail-call-jit:
name: JIT with tail calling interpreter
needs: interpreter
linux-extras:
name: ${{ matrix.name }}
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runs-on: ubuntu-24.04
timeout-minutes: 90
timeout-minutes: 60
strategy:
fail-fast: false
matrix:
llvm:
- 19
include:

- name: JIT without optimizations (Debug)
configure_flags: --enable-experimental-jit --with-pydebug
test_env: "PYTHON_UOPS_OPTIMIZE=0"
- name: JIT with tail calling interpreter
configure_flags: --enable-experimental-jit --with-tail-call-interp --with-pydebug
use_clang: true
run_tests: false
steps:
- uses: actions/checkout@v6
with:
persist-credentials: false
- uses: actions/setup-python@v6
with:
python-version: '3.11'
- name: Build with JIT and tailcall
- name: Build
run: |
sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
CC=clang-${{ matrix.llvm }} ./configure --enable-experimental-jit --with-tail-call-interp --with-pydebug
sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ env.LLVM_VERSION }}
export PATH="$(llvm-config-${{ env.LLVM_VERSION }} --bindir):$PATH"
if [ "${{ matrix.use_clang }}" = "true" ]; then
export CC=clang-${{ env.LLVM_VERSION }}
fi
./configure ${{ matrix.configure_flags }}
make all --jobs 4
- name: Test
if: matrix.run_tests != false
run: |
${{ matrix.test_env }} ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
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