Merge pull request #12800 from wenduwan/test_mpi4py

[v5.0.x] .github/workflow: set up runtime params right before mpi4py test

Author: wenduwan

.github/workflows/ompi_mpi4py.yaml

@@ -7,10 +7,6 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-    - name: Configure hostname
-      run:  echo 127.0.0.1 `hostname` | sudo tee -a /etc/hosts > /dev/null
-      if:   ${{ runner.os == 'Linux' || runner.os == 'macOS' }}
-
     - name: Install depencencies
       run:  sudo apt-get install -y -q
               libnuma-dev
@@ -54,18 +50,6 @@ jobs:
     - name: Add Open MPI to PATH
       run: echo /opt/openmpi/bin >> $GITHUB_PATH
 
-    - name: Tweak MPI
-      run:  |
-        # Tweak MPI
-        mca_params="$HOME/.openmpi/mca-params.conf"
-        mkdir -p "$(dirname "$mca_params")"
-        echo mpi_param_check = true >> "$mca_params"
-        echo mpi_show_handle_leaks = true >> "$mca_params"
-        echo rmaps_base_oversubscribe = true >> "$mca_params"
-        mca_params="$HOME/.prte/mca-params.conf"
-        mkdir -p "$(dirname "$mca_params")"
-        echo rmaps_default_mapping_policy = :oversubscribe >> "$mca_params"
-
     - name: Show MPI
       run:  ompi_info
 
@@ -101,8 +85,6 @@ jobs:
       with:
         path: |
           /opt/openmpi
-          ~/.openmpi
-          ~/.prte
           test
           demo
           mpi4py-*.whl

.github/workflows/ompi_mpi4py_tests.yaml

@@ -19,20 +19,40 @@ jobs:
     env:
       ${{ inputs.env_name}}: 1
     steps:
+    - name: Configure hostname
+      run:  echo 127.0.0.1 `hostname` | sudo tee -a /etc/hosts > /dev/null
+      if:   ${{ runner.os == 'Linux' || runner.os == 'macOS' }}
+
     - name: Use Python
       uses: actions/setup-python@v5
       with:
         python-version: 3
         architecture: x64
+
     - name: Get artifacts
       uses: actions/download-artifact@v4
       with:
         path: /
         name: build-artifacts
+
     - name: Restore executable permissions
       run: chmod a+x /opt/openmpi/bin/*
+
     - name: Add Open MPI to PATH
       run: echo /opt/openmpi/bin >> $GITHUB_PATH
+
+    - name: Tweak MPI
+      run:  |
+        # Tweak MPI
+        mca_params="$HOME/.openmpi/mca-params.conf"
+        mkdir -p "$(dirname "$mca_params")"
+        echo mpi_param_check = true >> "$mca_params"
+        echo mpi_show_handle_leaks = true >> "$mca_params"
+        echo rmaps_base_oversubscribe = true >> "$mca_params"
+        mca_params="$HOME/.prte/mca-params.conf"
+        mkdir -p "$(dirname "$mca_params")"
+        echo rmaps_default_mapping_policy = :oversubscribe >> "$mca_params"
+
     - name: Install the mpi4py wheel
       run: python -m pip install mpi4py --no-index --find-links=.