diff --git a/.github/workflows/code-cov.yml b/.github/workflows/code-cov.yml
index 8cbf8aa2d..038e79aa3 100644
--- a/.github/workflows/code-cov.yml
+++ b/.github/workflows/code-cov.yml
@@ -23,53 +23,167 @@ jobs:
             vtk: [off]
             int: [int32_t]
 
+            #include:
+            #  # test vtk only without scotch and with delaunay insertion (more
+            #  # tests are useless)
+            #  - os: ubuntu-20.04
+            #    pattern: off
+            #    pointmap: off
+            #    scotch: off
+            #    vtk: on
+            #    int: int32_t
+            #
+            #  - os: macos-12
+            #    pattern: off
+            #    pointmap: off
+            #    scotch: off
+            #    vtk: on
+            #    int: int32_t
+            #
+            #  # Test pointmap with scotch except on windows
+            #  - os: ubuntu-20.04
+            #    pattern: off
+            #    pointmap: on
+            #    scotch: on
+            #    vtk: off
+            #    int: int32_t
+            #
+            #  - os: macos-12
+            #    pattern: off
+            #    pointmap: on
+            #    scotch: on
+            #    vtk: off
+            #    int: int32_t
+            #
+            #  # Add windows basic test (matrix is not testable as dependencies
+            #  # don't build with MSVC)
+            #  - os: windows-2022
+            #    pattern: off
+            #    pointmap: off
+            #    scotch: off
+            #    vtk: off
+            #    int: int32_t
+            #
+            #  - os: windows-2022
+            #    pattern: on
+            #    pointmap: off
+            #    scotch: off
+            #    vtk: off
+            #    int: int32_t
+            #
+            #  # Add test for pointmap only if pattern off
+            #  - os: windows-2022
+            #    pattern: off
+            #    pointmap: on
+            #    scotch: off
+            #    vtk: off
+            #    int: int32_t
+            #
+            #  # Test int64_t build on all archi, and try to cover all code
+            #  - os: ubuntu-20.04
+            #    pattern: on
+            #    pointmap: on
+            #    scotch: on
+            #    vtk: on
+            #    int: int64_t
+            #
+            #  - os: ubuntu-20.04
+            #    pattern: off
+            #    pointmap: off
+            #    scotch: on
+            #    vtk: on
+            #    int: int64_t
+            #
+            #  - os: ubuntu-20.04
+            #    pattern: off
+            #    pointmap: off
+            #    scotch: off
+            #    vtk: off
+            #    int: int64_t
+            #
+            #  - os: macos-12
+            #    pattern: on
+            #    pointmap: on
+            #    scotch: on
+            #    vtk: on
+            #    int: int64_t
+            #
+            #  - os: macos-12
+            #    pattern: off
+            #    pointmap: off
+            #    scotch: off
+            #    vtk: off
+            #    int: int64_t
+            #
+            #  - os: windows-2022
+            #    pattern: on
+            #    pointmap: on
+            #    scotch: off
+            #    vtk: off
+            #    int: int64_t
+            #
+            #  - os: windows-2022
+            #    pattern: off
+            #    pointmap: off
+            #    scotch: off
+            #    vtk: off
+            #    int: int64_t
+
     steps:
+      - name: Set cmake_build_type and export coverage flags
+        run: |
+          if ${{ matrix.os == 'ubuntu-20.04' && inputs.code_coverage == true }}; then
+            # if code coverage is enabled, linux build is runned in Debug mode
+
+            if [[ ${{ inputs.cmake_build_type }} != Debug ]]; then
+              echo "WARNING: build type is forced to debug mode on ubuntu to allow coverage."
+            fi
+
+            echo "BUILD_TYPE=Debug" >> "$GITHUB_ENV"
+            echo "C_FLG_PROF=-fprofile-arcs -ftest-coverage" >> "$GITHUB_ENV"
+
+          else
+            echo "BUILD_TYPE=${{ inputs.cmake_build_type }}" >> "$GITHUB_ENV"
+          fi
+
+        shell: bash
+
       - name: Print options and set environment variables
         run: |
-          echo "Job parameters:
+          echo "${{ github.event.inputs.name }}:
+            Os:      ${{ matrix.os }},
             Pattern: ${{ matrix.pattern }},
-            Pointmap: ${{ matrix.pointmap }},
             Scotch:  ${{ matrix.scotch }},
             VTK:     ${{ matrix.vtk }},
-            int:     ${{ matrix.int }}"
+            int:     ${{ matrix.int }},
+            Build:   ${{ env.BUILD_TYPE }}"
 
-      - name: Install VTK
-        # Download vtk only if used
-        if: matrix.vtk == 'on'
-        run: |
-            sudo sed -i 's/azure\.//' /etc/apt/sources.list
-            sudo apt-get update
-            sudo apt-get install -y libvtk7-dev
+          # gfortran compiler and scotch makefile depends on the os
+          if [ "$RUNNER_OS" == "macOS" ]; then
+             echo "SCOTCH_MAKE=Make.inc/Makefile.inc.i686_mac_darwin10" >> "$GITHUB_ENV"
+             echo "FORT_FLG=\"-DCMAKE_Fortran_COMPILER=gfortran-11\"" >> "$GITHUB_ENV"
 
-      - name: Install Sctoch
-        # Download scotch only if used
-        if: matrix.scotch == 'on'
-        run: |
-          git clone https://gitlab.inria.fr/scotch/scotch.git
-          cd scotch
-          git checkout v6.1.3
-          cd src
-          cp Make.inc/Makefile.inc.x86-64_pc_linux2 Makefile.inc
-          make scotch -j 4
-          make install scotch -j 4
-
-      - name: Install LibCommons
+          elif [ "$RUNNER_OS" == "Linux" ]; then
+             echo "SCOTCH_MAKE=Make.inc/Makefile.inc.x86-64_pc_linux2" >> "$GITHUB_ENV"
+             echo "FORT_FLG=\"-DCMAKE_Fortran_COMPILER=gfortran-9\"" >> "$GITHUB_ENV"
+          fi
+          echo "NJOBS=$NJOBS" >> "$GITHUB_ENV"
+          # Remark: variable values are still empty inside this context
+
+        shell: bash
+        env:
+          NJOBS: "2"
+
+      - name: Set environment variables for output comparison
+        if: "! contains(github.event.head_commit.message, '[skip output comparison]')"
         run: |
-          git clone https://github.com/ISCDtoolbox/Commons.git
-          cd Commons
-          mkdir build
-          cd build
-          cmake ..
-          make install
+          echo "C_FLG=-DMMG_COMPARABLE_OUTPUT" >> "$GITHUB_ENV"
+          echo "MMG_ERROR_RULE=\"COMMAND_ERROR_IS_FATAL ANY\"" >> "$GITHUB_ENV"
 
-      - name: Install LinearElasticity
+      - name: Assign CMAKE_C_FLAGS if needed
+        if: ${{ env.C_FLG || env.C_FLG_PROF }}
         run: |
-          git clone https://github.com/ISCDtoolbox/LinearElasticity.git
-          cd LinearElasticity
-          mkdir build
-          cd build
-          cmake ..
-          make install
+          echo "CMAKE_C_FLG=-DCMAKE_C_FLAGS=\"${{ env.C_FLG }} ${{ env.C_FLG_PROF }}\"" >> "$GITHUB_ENV"
 
       # checkout the provided branch name if workflow is manually run
       - uses: actions/checkout@v3