gh-117151: optimize BufferedWriter(), do not buffer writes that are t… #4
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: JIT | |
| on: | |
| pull_request: | |
| paths: | |
| - '**jit**' | |
| - 'Python/bytecodes.c' | |
| - 'Python/optimizer*.c' | |
| push: | |
| paths: | |
| - '**jit**' | |
| - 'Python/bytecodes.c' | |
| - 'Python/optimizer*.c' | |
| workflow_dispatch: | |
| permissions: | |
| contents: read | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }} | |
| cancel-in-progress: true | |
| jobs: | |
| jit: | |
| name: ${{ matrix.target }} (${{ matrix.debug && 'Debug' || 'Release' }}) | |
| runs-on: ${{ matrix.runner }} | |
| timeout-minutes: 75 | |
| 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 | |
| - x86_64-unknown-linux-gnu/clang | |
| - aarch64-unknown-linux-gnu/gcc | |
| - aarch64-unknown-linux-gnu/clang | |
| debug: | |
| - true | |
| - false | |
| llvm: | |
| - 16 | |
| include: | |
| - target: i686-pc-windows-msvc/msvc | |
| architecture: Win32 | |
| runner: windows-latest | |
| compiler: msvc | |
| - target: x86_64-pc-windows-msvc/msvc | |
| architecture: x64 | |
| runner: windows-latest | |
| compiler: msvc | |
| - target: aarch64-pc-windows-msvc/msvc | |
| architecture: ARM64 | |
| runner: windows-latest | |
| compiler: msvc | |
| - target: x86_64-apple-darwin/clang | |
| architecture: x86_64 | |
| runner: macos-13 | |
| compiler: clang | |
| - target: aarch64-apple-darwin/clang | |
| architecture: aarch64 | |
| runner: macos-14 | |
| compiler: clang | |
| - target: x86_64-unknown-linux-gnu/gcc | |
| architecture: x86_64 | |
| runner: ubuntu-latest | |
| compiler: gcc | |
| - target: x86_64-unknown-linux-gnu/clang | |
| architecture: x86_64 | |
| runner: ubuntu-latest | |
| compiler: clang | |
| - target: aarch64-unknown-linux-gnu/gcc | |
| architecture: aarch64 | |
| runner: ubuntu-latest | |
| compiler: gcc | |
| # These fail because of emulation, not because of the JIT: | |
| exclude: test_unix_events test_init test_process_pool test_shutdown test_multiprocessing_fork test_cmd_line test_faulthandler test_os test_perf_profiler test_posix test_signal test_socket test_subprocess test_threading test_venv test_external_inspection | |
| - target: aarch64-unknown-linux-gnu/clang | |
| architecture: aarch64 | |
| runner: ubuntu-latest | |
| compiler: clang | |
| # These fail because of emulation, not because of the JIT: | |
| exclude: test_unix_events test_init test_process_pool test_shutdown test_multiprocessing_fork test_cmd_line test_faulthandler test_os test_perf_profiler test_posix test_signal test_socket test_subprocess test_threading test_venv test_external_inspection | |
| env: | |
| CC: ${{ matrix.compiler }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - uses: actions/setup-python@v5 | |
| with: | |
| python-version: '3.11' | |
| - name: Native Windows | |
| if: runner.os == 'Windows' && matrix.architecture != 'ARM64' | |
| run: | | |
| choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }} | |
| ./PCbuild/build.bat --experimental-jit ${{ matrix.debug && '-d' || '--pgo' }} -p ${{ matrix.architecture }} | |
| ./PCbuild/rt.bat ${{ matrix.debug && '-d' }} -p ${{ matrix.architecture }} -q --exclude ${{ matrix.exclude }} --multiprocess 0 --timeout 4500 --verbose2 --verbose3 | |
| # No PGO or tests (yet): | |
| - name: Emulated Windows | |
| if: runner.os == 'Windows' && matrix.architecture == 'ARM64' | |
| run: | | |
| choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }} | |
| ./PCbuild/build.bat --experimental-jit ${{ matrix.debug && '-d' || '' }} -p ${{ matrix.architecture }} | |
| - name: Native macOS | |
| if: runner.os == 'macOS' | |
| run: | | |
| brew install llvm@${{ matrix.llvm }} | |
| SDKROOT="$(xcrun --show-sdk-path)" \ | |
| ./configure --enable-experimental-jit ${{ matrix.debug && '--with-pydebug' || '--enable-optimizations --with-lto' }} | |
| make all --jobs 4 | |
| ./python.exe -m test --exclude ${{ matrix.exclude }} --multiprocess 0 --timeout 4500 --verbose2 --verbose3 | |
| - name: Native Linux | |
| if: runner.os == 'Linux' && matrix.architecture == 'x86_64' | |
| run: | | |
| sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }} | |
| export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH" | |
| ./configure --enable-experimental-jit ${{ matrix.debug && '--with-pydebug' || '--enable-optimizations --with-lto' }} | |
| make all --jobs 4 | |
| ./python -m test --exclude ${{ matrix.exclude }} --multiprocess 0 --timeout 4500 --verbose2 --verbose3 | |
| - name: Emulated Linux | |
| if: runner.os == 'Linux' && matrix.architecture != 'x86_64' | |
| run: | | |
| sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }} | |
| export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH" | |
| ./configure --prefix="$(pwd)/../build" | |
| make install --jobs 4 | |
| make clean --jobs 4 | |
| export HOST=${{ matrix.architecture }}-linux-gnu | |
| sudo apt install --yes "gcc-$HOST" qemu-user | |
| ${{ !matrix.debug && matrix.compiler == 'clang' && './configure --enable-optimizations' || '' }} | |
| ${{ !matrix.debug && matrix.compiler == 'clang' && 'make profile-run-stamp --jobs 4' || '' }} | |
| export QEMU_LD_PREFIX="/usr/$HOST" | |
| CC="${{ matrix.compiler == 'clang' && 'clang --target=$HOST' || '$HOST-gcc' }}" \ | |
| CPP="$CC --preprocess" \ | |
| HOSTRUNNER=qemu-${{ matrix.architecture }} \ | |
| ./configure --enable-experimental-jit ${{ matrix.debug && '--with-pydebug' || '--enable-optimizations --with-lto' }} --build=x86_64-linux-gnu --host="$HOST" --with-build-python=../build/bin/python3 --with-pkg-config=no ac_cv_buggy_getaddrinfo=no ac_cv_file__dev_ptc=no ac_cv_file__dev_ptmx=yes | |
| make all --jobs 4 | |
| ./python -m test --exclude ${{ matrix.exclude }} --multiprocess 0 --timeout 4500 --verbose2 --verbose3 |