Add Metal and OpenCL GPU backends #122
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| name: GPU Tests (Metal) | |
| on: | |
| push: | |
| branches: [main] | |
| pull_request: | |
| branches: [main] | |
| workflow_dispatch: | |
| env: | |
| BUILD_TYPE: Release | |
| jobs: | |
| metal-gpu: | |
| runs-on: macos-latest-xlarge # Bare-metal Apple Silicon with GPU access | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Cache CMake FetchContent dependencies | |
| uses: actions/cache@v4 | |
| with: | |
| path: build/_deps | |
| key: deps-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('CMakeLists.txt') }} | |
| restore-keys: | | |
| deps-${{ runner.os }}-${{ runner.arch }}- | |
| - name: System info | |
| run: | | |
| echo "=== System Info ===" | |
| uname -a | |
| sysctl -n machdep.cpu.brand_string || true | |
| system_profiler SPHardwareDataType | grep -E "Chip|Memory|Cores" || true | |
| echo "" | |
| echo "=== Metal Device ===" | |
| system_profiler SPDisplaysDataType | grep -E "Chipset|Metal|VRAM" || true | |
| - name: Install dependencies | |
| run: | | |
| brew install openblas llvm | |
| - name: Configure CMake | |
| run: | | |
| LLVM_PREFIX="$(brew --prefix llvm)" | |
| OPENBLAS_PREFIX="$(brew --prefix openblas)" | |
| export PATH="${LLVM_PREFIX}/bin:$PATH" | |
| export LDFLAGS="-L${OPENBLAS_PREFIX}/lib" | |
| export CPPFLAGS="-I${OPENBLAS_PREFIX}/include" | |
| cmake -S . -B build \ | |
| -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }} \ | |
| -DSPRUX_USE_CUBLAS=OFF \ | |
| -DSPRUX_USE_METAL=ON \ | |
| -DSPRUX_USE_OPENCL=OFF \ | |
| -DSPRUX_BUILD_TESTS=ON \ | |
| -DSPRUX_BUILD_EXAMPLES=ON \ | |
| -DBLA_VENDOR=OpenBLAS \ | |
| -DCMAKE_PREFIX_PATH="${OPENBLAS_PREFIX}" | |
| - name: Build | |
| run: | | |
| LLVM_PREFIX="$(brew --prefix llvm)" | |
| export PATH="${LLVM_PREFIX}/bin:$PATH" | |
| cmake --build build --config ${{ env.BUILD_TYPE }} -j"$(sysctl -n hw.ncpu)" | |
| - name: Run all tests (CPU + Metal GPU) | |
| run: | | |
| ctest --test-dir build --output-on-failure -j"$(sysctl -n hw.ncpu)" | |
| - name: Run benchmarks | |
| run: | | |
| echo "=== CPU Baseline (BLAS) ===" | |
| ./build/sprux/benchmarking/bench -S "BLAS" -n 3 2>&1 || true | |
| echo "" | |
| echo "=== Metal GPU ===" | |
| ./build/sprux/benchmarking/bench -S "Metal" -n 3 2>&1 || true | |
| - name: Summary | |
| if: always() | |
| run: | | |
| { | |
| echo "## Metal GPU Test Results" | |
| echo "" | |
| echo "- **Commit:** \`${{ github.sha }}\`" | |
| echo "- **Runner:** macos-latest-xlarge (Apple Silicon)" | |
| echo "- **Chip:** $(system_profiler SPHardwareDataType | grep 'Chip' | cut -d':' -f2 | xargs || echo unknown)" | |
| echo "" | |
| if [ "${{ job.status }}" = "success" ]; then | |
| echo ":white_check_mark: All tests passed (CPU + Metal GPU)" | |
| else | |
| echo ":x: Tests failed" | |
| fi | |
| } >> "$GITHUB_STEP_SUMMARY" |