CI: Single Precision

Author: ax3l

.github/workflows/ubuntu.yml

@@ -180,11 +180,50 @@ jobs:
     - name: validate created openPMD files
       run: find build -name *.h5 | xargs -n1 -I{} openPMD_check_h5 -i {}
 
-    - name: build ImpactX (SP) w/o running
+  build_gcc_python_sp:
+    name: GCC w/ SIMD / SP w/o MPI w/ Python
+    runs-on: ubuntu-24.04
+    if: github.event.pull_request.draft == false
+    env:
+      CMAKE_GENERATOR: Ninja
+      CXXFLAGS: "-Werror"
+      OMP_NUM_THREADS: 2
+    steps:
+    - name: Free More Disk Space
+      uses: ax3l/free-disk-space@main
+      with:
+        tool-cache: false
+        android: true
+        dotnet: true
+        haskell: true
+        large-packages: false  # apt takes ~1:30min
+        docker-images: true
+        swap-storage: false
+
+    - uses: actions/checkout@v5
+
+    - name: install dependencies
+      run: |
+        .github/workflows/dependencies/gcc.sh
+
+    - name: CCache Cache
+      uses: actions/cache@v4
+      # - once stored under a key, they become immutable (even if local cache path content changes)
+      # - for a refresh the key has to change, e.g., hash of a tracked file in the key
+      with:
+        path: |
+          ~/.ccache
+          ~/.cache/ccache
+        key: ccache-openmp-pygcc-sp-${{ hashFiles('.github/workflows/ubuntu.yml') }}-${{ hashFiles('cmake/dependencies/ABLASTR.cmake') }}
+        restore-keys: |
+          ccache-openmp-pygcc-sp-${{ hashFiles('.github/workflows/ubuntu.yml') }}-
+          ccache-openmp-pygcc-sp-
+
+    - name: build ImpactX
       run: |
-        cmake -S . -B build_sp         \
+        cmake -S . -B build            \
           -DBUILD_SHARED_LIBS=ON       \
-          -DCMAKE_BUILD_TYPE=Release   \
+          -DCMAKE_BUILD_TYPE=Debug     \
           -DCMAKE_INSTALL_PREFIX=$HOME/.local  \
           -DCMAKE_VERBOSE_MAKEFILE=ON  \
           -DImpactX_FFT=ON             \
@@ -193,4 +232,30 @@ jobs:
           -DImpactX_PYTHON=ON          \
           -DImpactX_SIMD=ON            \
           -DImpactX_TEST_CLEANUP=ON
-        cmake --build build_sp -j 4
+        cmake --build build -j 4
+
+    - name: run tests
+      run: |
+        ctest --test-dir build --output-on-failure --label-exclude slow
+
+    - name: run installed app
+      run: |
+        cmake --build build --target install
+        export PATH=$HOME/.local/bin:$PATH
+        export LD_LIBRARY_PATH=$HOME/.local/lib:$LD_LIBRARY_PATH
+
+        impactx.NOMPI.OMP.SP.OPMD.DEBUG examples/fodo/input_fodo.in algo.particle_shape = 1 || \
+        { cat Backtrace.0.0; exit 1; }
+        impactx.NOMPI.OMP.SP.OPMD.DEBUG examples/fodo/input_fodo.in algo.particle_shape = 2 || \
+        { cat Backtrace.0.0; exit 1; }
+        impactx.NOMPI.OMP.SP.OPMD.DEBUG examples/fodo/input_fodo.in algo.particle_shape = 3 || \
+        { cat Backtrace.0.0; exit 1; }
+
+    - name: run installed python module
+      run: |
+        cmake --build build --target pip_install
+
+        python3 examples/fodo/run_fodo.py
+
+    - name: validate created openPMD files
+      run: find build -name *.h5 | xargs -n1 -I{} openPMD_check_h5 -i {}