diff --git a/.github/workflows/c++standards.yml b/.github/workflows/c++standards.yml
new file mode 100644
index 0000000..fdc7cb3
--- /dev/null
+++ b/.github/workflows/c++standards.yml
@@ -0,0 +1,93 @@
+name: C++ Standards Checks
+
+on:
+  push:
+    branches:
+    - master
+
+  pull_request:
+    branches:
+    - master
+
+jobs:
+  builds-matrix:
+    name: "${{matrix.os-version }} ${{ matrix.compiler }}  ROOT ${{ matrix.root-version.name }} ${{ matrix.root-version.std }} CMake ${{ matrix.cmake-version }}"
+    runs-on: ${{ matrix.os-version }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os-version: [ ubuntu-latest ]
+        build_type: [ Release ]
+        compiler: [ gcc-latest, clang-latest ]
+        cmake-version: [ latest ]
+        root-version:
+          - name: 6.24.08
+            std: 11
+          - name: 6.26.06
+            std: 14
+          - name: 6.28.04
+            std: 17
+          - name: 6.28.04
+            std: 20
+
+    steps:
+      - name: Print env
+        run: |
+          echo github.event.action: ${{ github.event.action }}
+          echo github.event_name: ${{ github.event_name }}
+
+      - name: Setup gcc compiler
+        id: setup_cc
+        uses: rlalik/setup-cpp-compiler@v1.1
+        with:
+          compiler: ${{ matrix.compiler }}
+
+      - name: Install common dependencies
+        run: |
+          sudo apt update
+          sudo apt install wget -y
+          sudo apt install python3-numpy libtbb-dev libxxhash0 -y
+          cmake --version
+          wget http://gccb.if.uj.edu.pl/code/root-cpp${{ matrix.root-version.std }}_${{ matrix.root-version.name }}_amd64.deb
+          sudo dpkg -i root-cpp${{ matrix.root-version.std }}_${{ matrix.root-version.name }}_amd64.deb
+
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - name: Checkout repository
+        uses: actions/checkout@v1
+        with:
+          submodules: recursive
+
+      - name: Setup CMake
+        uses: jwlawson/actions-setup-cmake@v1.14.0
+        with:
+          cmake-version: ${{ matrix.cmake-version }}
+
+      - name: Configure
+        env:
+          CC: ${{ steps.setup_cc.outputs.cc }}
+          CXX: ${{ steps.setup_cc.outputs.cxx }}
+        shell: bash
+        run: |
+          . /etc/profile
+          root-config --version
+          root-config --cflags
+          root-config --features
+          mkdir build
+          cd build
+          cmake .. \
+            -DCMAKE_CXX_STANDARD=${{ matrix.root-version.std }} \
+            -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
+            -DCMAKE_INSTALL_PREFIX:PATH=instdir
+
+      - name: Build
+        shell: bash
+        run: |
+            cd build
+            make
+
+      - name: Test
+        shell: bash
+        run: |
+            cd build
+            make test
diff --git a/.github/workflows/sys_checks.yml b/.github/workflows/sys_checks.yml
new file mode 100644
index 0000000..4b9509d
--- /dev/null
+++ b/.github/workflows/sys_checks.yml
@@ -0,0 +1,87 @@
+name: Compiler Checks
+
+on:
+  push:
+    branches:
+    - master
+
+  pull_request:
+    branches:
+    - master
+
+jobs:
+  builds-matrix:
+    name: "${{matrix.os-version }} ${{ matrix.compiler }} ROOT ${{ matrix.root-version.name }} 17 CMake ${{ matrix.cmake-version }}"
+    runs-on: ${{ matrix.os-version }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os-version: [ ubuntu-latest ]
+        build_type: [ Release ]
+        compiler: [ gcc-9, gcc-10, gcc-11, gcc-12, gcc-13, clang-11, clang-12, clang-13, clang-14, clang-15 ]
+        cmake-version: [ 3.14, latest ]
+        root-version:
+          - name: 6.28.04
+            std: 17
+
+    steps:
+      - name: Print env
+        run: |
+          echo github.event.action: ${{ github.event.action }}
+          echo github.event_name: ${{ github.event_name }}
+
+      - name: Setup gcc compiler
+        id: setup_cc
+        uses: rlalik/setup-cpp-compiler@v1.1
+        with:
+          compiler: ${{ matrix.compiler }}
+
+      - name: Install common dependencies
+        run: |
+          sudo apt update
+          sudo apt install wget -y
+          sudo apt install python3-numpy libtbb-dev libxxhash0 -y
+          cmake --version
+          wget http://gccb.if.uj.edu.pl/code/root-cpp17_${{ matrix.root-version.name }}_amd64.deb
+          sudo dpkg -i root-cpp17_${{ matrix.root-version.name }}_amd64.deb
+
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - name: Checkout repository
+        uses: actions/checkout@v1
+        with:
+          submodules: recursive
+
+      - name: Setup CMake
+        uses: jwlawson/actions-setup-cmake@v1.14.0
+        with:
+          cmake-version: ${{ matrix.cmake-version }}
+
+      - name: Configure
+        env:
+          CC: ${{ steps.setup_cc.outputs.cc }}
+          CXX: ${{ steps.setup_cc.outputs.cxx }}
+        shell: bash
+        run: |
+          . /etc/profile
+          root-config --version
+          root-config --cflags
+          root-config --features
+          mkdir build
+          cd build
+          cmake .. \
+            -DCMAKE_CXX_STANDARD=${{ matrix.root-version.std }} \
+            -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
+            -DCMAKE_INSTALL_PREFIX:PATH=instdir
+
+      - name: Build
+        shell: bash
+        run: |
+            cd build
+            make
+
+      - name: Test
+        shell: bash
+        run: |
+            cd build
+            make test