Merge 009e06d into ba34d0b

.github/workflows/examples-mpi.yml

@@ -1,7 +1,3 @@
-# Runner information:
-# Standard F4s_v2 (4 vcpus, 8 GiB memory)
-# Intel Xeon® Platinum 8168 (SkyLake)
-
 name: Examples-mpi
 
 on:
@@ -17,25 +13,28 @@ on:
 jobs:
   build:
     name: Examples with mpi
-    runs-on: [self-hosted, mpi]
+    runs-on: ubuntu-20.04
 
     env:
       DEVITO_MPI: "1"
       DEVITO_LANGUAGE: "openmp"
-      OMP_NUM_THREADS: "2"
-      DEVITO_ARCH: "gcc-7"
+      OMP_NUM_THREADS: "1"
+      DEVITO_ARCH: "gcc-9"
       DEVITO_BACKEND: "core"
-      CC: "gcc-7"
-      CXX: "g++-7"
+      CC: "gcc-9"
+      CXX: "g++-9"
 
     steps:
     - name: Checkout devito
       uses: actions/checkout@v1
 
     - name: Install dependencies
       run: |
+        sudo apt install mpich -y
         pip3 install --upgrade pip
         pip3 install -e .[extras]
+        pip3 install -r requirements.txt
+        pip3 install -r requirements-mpi.txt
 
     - name: Test mpi notebooks
       run : |
@@ -46,11 +45,11 @@ jobs:
 
     - name: Test seismic examples
       run: |
-        mpirun -n 4 py.test examples/seismic/tti/tti_example.py
-        mpirun -n 4 py.test examples/seismic/elastic/elastic_example.py
-        mpirun -n 4 py.test examples/seismic/viscoacoustic/viscoacoustic_example.py
-        mpirun -n 4 py.test examples/seismic/viscoelastic/viscoelastic_example.py
+        mpirun -n 2 python3 -m pytest examples/seismic/tti/tti_example.py
+        mpirun -n 2 python3 -m pytest examples/seismic/elastic/elastic_example.py
+        mpirun -n 2 python3 -m pytest examples/seismic/viscoacoustic/viscoacoustic_example.py
+        mpirun -n 2 python3 -m pytest examples/seismic/viscoelastic/viscoelastic_example.py
 
     - name: Test fwi examples with mpi
       run: |
-        mpirun -n 4 python examples/seismic/inversion/fwi.py
+        mpirun -n 2 python examples/seismic/inversion/fwi.py