ncnn

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name: python
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on:
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  push:
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    branches: [master]
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    paths:
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    - '.github/workflows/python.yml'
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    - 'CMakeLists.txt'
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    - 'cmake/**'
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    - 'src/*'
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    - 'src/layer/*'
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    - 'src/layer/x86/**'
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    - 'src/layer/vulkan/**'
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    - 'python/**'
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  pull_request:
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    branches: [master]
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    paths:
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    - '.github/workflows/python.yml'
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    - 'CMakeLists.txt'
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    - 'cmake/**'
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    - 'src/*'
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    - 'src/layer/*'
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    - 'src/layer/x86/**'
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    - 'src/layer/vulkan/**'
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    - 'python/**'
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concurrency:
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  group: python-${{ github.ref }}
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  cancel-in-progress: true
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env:
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  DEVELOPER_DIR: /Applications/Xcode_15.2.app/Contents/Developer
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  MAC_DEPLOYMENT_TARGET: '11.0'
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  ENABLE_BITCODE: OFF
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  ENABLE_ARC: OFF
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  ENABLE_VISIBILITY: OFF
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  CMAKE_BUILD_PARALLEL_LEVEL: 4
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  UseMultiToolTask: true
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permissions:
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  contents: read
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jobs:
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  build:
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    strategy:
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      matrix:
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        os: [ubuntu-latest, macos-13, windows-latest]
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        python-version: [3.9, 3.12]
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    runs-on: ${{ matrix.os }}
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    steps:
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    - uses: actions/checkout@v4
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      with:
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        submodules: true
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    - name: cache-swiftshader
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      if: matrix.os == 'ubuntu-latest'
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      id: cache-swiftshader
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      uses: actions/cache@v4
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      with:
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        path: swiftshader-install
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        key: swiftshader-linux-install-20240622
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    - name: checkout-swiftshader
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      if: matrix.os == 'ubuntu-latest' && steps.cache-swiftshader.outputs.cache-hit != 'true'
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      uses: actions/checkout@v4
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      with:
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        repository: google/swiftshader
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        path: swiftshader
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        ref: de870ac7518fe2b6bb651ecc22fc36647cf7b986
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    - name: checkout-swiftshader-submodules
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      if: matrix.os == 'ubuntu-latest' && steps.cache-swiftshader.outputs.cache-hit != 'true'
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      run: |
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        cd swiftshader
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        git -c submodule."third_party/git-hooks".update=none submodule update --init --recursive
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    - name: swiftshader
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      if: matrix.os == 'ubuntu-latest' && steps.cache-swiftshader.outputs.cache-hit != 'true'
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      run: |
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        cd swiftshader
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        mkdir -p build; cd build
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        cmake -DCMAKE_INSTALL_PREFIX=install -DSWIFTSHADER_BUILD_EGL=FALSE -DSWIFTSHADER_BUILD_GLESv2=FALSE -DSWIFTSHADER_BUILD_GLES_CM=FALSE -DSWIFTSHADER_BUILD_VULKAN=TRUE -DSWIFTSHADER_BUILD_PVR=FALSE -DSWIFTSHADER_BUILD_TESTS=FALSE -DSWIFTSHADER_ENABLE_ASTC=FALSE -DSWIFTSHADER_WARNINGS_AS_ERRORS=FALSE -DREACTOR_BACKEND=Subzero -DREACTOR_DEFAULT_OPT_LEVEL=Default -DCMAKE_BUILD_TYPE=Release ..
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        cmake --build . -j $(nproc)
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        mkdir $GITHUB_WORKSPACE/swiftshader-install
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        cp Linux/* $GITHUB_WORKSPACE/swiftshader-install
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    - name: setup-python
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      uses: actions/setup-python@v5
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      with:
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        python-version: ${{ matrix.python-version }}
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    - name: install-deps
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      run: |
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        python -m pip install --upgrade pip
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        pip install pytest setuptools wheel twine importlib-metadata
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    - name: build
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      if: matrix.os == 'ubuntu-latest'
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      env:
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        CC: clang
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        CXX: clang++
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      run: |
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        mkdir build && cd build
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        cmake -DNCNN_VULKAN=ON -DNCNN_PYTHON=ON -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
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        cmake --build . -j $(nproc)
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    - name: build
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      if: matrix.os == 'macos-13'
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      run: |
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        mkdir build && cd build
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        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/ios.toolchain.cmake -DPLATFORM=MAC -DARCHS="x86_64" \
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            -DDEPLOYMENT_TARGET=$MAC_DEPLOYMENT_TARGET -DENABLE_BITCODE=$ENABLE_BITCODE -DENABLE_ARC=$ENABLE_ARC -DENABLE_VISIBILITY=$ENABLE_VISIBILITY \
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            -DNCNN_VULKAN=OFF -DNCNN_PYTHON=ON -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
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        cmake --build . -j 4
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    - name: build
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      if: matrix.os == 'windows-latest'
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      run: |
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        mkdir build; cd build
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        cmake -T v142,host=x64 -A x64 -DNCNN_VULKAN=OFF -DNCNN_PYTHON=ON -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
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        cmake --build . --config Release -j 4
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    - name: build-python
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      run: cd python && pip install .
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    - name: test
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      if: matrix.os == 'ubuntu-latest'
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      run: |
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        export VK_ICD_FILENAMES="$GITHUB_WORKSPACE/swiftshader-install/vk_swiftshader_icd.json"
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        cd python && pytest tests
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    - name: test
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      if: matrix.os != 'ubuntu-latest'
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      run: |
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        cd python && pytest tests
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