cpython/.github/workflows/jit.yml at 264adc191166c95a090686494284162a6e4a6b48 · python/cpython · GitHub

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name: JIT
on:
  pull_request:
    paths: &paths
      - '**jit**'
      - 'Python/bytecodes.c'
      - 'Python/optimizer*.c'
      - 'Python/executor_cases.c.h'
      - 'Python/optimizer_cases.c.h'
      - '**_testinternalcapi**'
      - '!Python/perf_jit_trampoline.c'
      - '!**/*.md'
      - '!**/*.ini'
  push:
    paths: *paths
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

env:
  FORCE_COLOR: 1
  LLVM_VERSION: 21

jobs:
  interpreter:
    name: Interpreter (Debug)
    runs-on: ubuntu-24.04
    timeout-minutes: 90
    steps:
      - uses: actions/checkout@v6
        with:
          persist-credentials: false
      - name: Build tier two interpreter
        run: |
          ./configure --enable-experimental-jit=interpreter --with-pydebug
          make all --jobs 4
      - name: Test tier two interpreter
        run: |
          ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
  jit:
    name: ${{ matrix.target }} (${{ matrix.debug && 'Debug' || 'Release' }})
    needs: interpreter
    runs-on: ${{ matrix.runner }}
    timeout-minutes: 90
    strategy:
      fail-fast: false
      matrix:
        debug:
          - true
          - false
        include:
          - target: i686-pc-windows-msvc/msvc
            architecture: Win32
            runner: windows-2022
          - target: x86_64-pc-windows-msvc/msvc
            architecture: x64
            runner: windows-2022
          - 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'
        run: |
          ./PCbuild/build.bat --experimental-jit ${{ matrix.debug && '-d' || '' }} -p ${{ matrix.architecture }}
          ./PCbuild/rt.bat ${{ matrix.debug && '-d' || '' }} -p ${{ matrix.architecture }} -q --multiprocess 0 --timeout 4500 --verbose2 --verbose3

      - name: macOS
        if: runner.os == 'macOS'
        run: |
          brew update
          brew install llvm@${{ env.LLVM_VERSION }}
          export SDKROOT="$(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
          ./python.exe -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3

      - name: Linux
        if: runner.os == 'Linux'
        run: |
          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
          ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3

  jit-linux-extras:
    name: ${{ matrix.name }}
    needs: interpreter
    runs-on: ubuntu-24.04
    timeout-minutes: 90
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: Free-Threaded (Debug)
            configure_flags: --enable-experimental-jit --with-pydebug --disable-gil
            test_env: ""
            continue_on_error: true
          - name: JIT without optimizations (Debug)
            configure_flags: --enable-experimental-jit --with-pydebug
            test_env: "PYTHON_UOPS_OPTIMIZE=0"
            continue_on_error: false
          - name: JIT with tail calling interpreter
            configure_flags: --enable-experimental-jit --with-tail-call-interp --with-pydebug
            use_clang: true
            test_env: ""
            continue_on_error: false
    steps:
      - uses: actions/checkout@v6
        with:
          persist-credentials: false
      - uses: actions/setup-python@v6
        with:
          python-version: '3.11'
      - name: Build
        run: |
          sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ env.LLVM_VERSION }}
          export PATH="$(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: Run tests
        run: |
          ${{ matrix.test_env }} ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
        continue-on-error: ${{ matrix.continue_on_error }}