Add SYCL C++ tests to XGBoost CI (#18)

* initial

* print icpx version and list of sycl devicese

* source compiler before use

* Update .github/workflows/main.yml

Co-authored-by: Andreas Huber <[email protected]>

---------

Co-authored-by: Dmitry Razdoburdin <>
Co-authored-by: Andreas Huber <[email protected]>

Author: razdoburdin

.github/workflows/main.yml

@@ -63,6 +63,49 @@ jobs:
         cd build
         ctest --extra-verbose
 
+  gtest-cpu-sycl:
+    name: Test Google C++ unittest (CPU SYCL)
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+    steps:
+    - uses: actions/checkout@e2f20e631ae6d7dd3b768f56a5d2af784dd54791 # v2.5.0
+      with:
+        submodules: 'true'
+    - name: Install SYCL runtime
+      run: |
+        sudo apt-get update
+        wget https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
+        sudo apt-key add GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
+        rm GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
+        echo "deb https://apt.repos.intel.com/oneapi all main" | sudo tee /etc/apt/sources.list.d/oneAPI.list
+        sudo add-apt-repository -y "deb https://apt.repos.intel.com/oneapi all main"
+        sudo apt-get update
+        sudo apt-get install -y intel-dpcpp-cpp-compiler-2023.2.1
+        source /opt/intel/oneapi/compiler/latest/env/vars.sh
+        source /opt/intel/oneapi/tbb/latest/env/vars.sh
+        icpx --version
+        sycl-ls
+
+    - name: Build and install XGBoost
+      shell: bash -l {0}
+      run: |
+        source /opt/intel/oneapi/compiler/latest/env/vars.sh
+        source /opt/intel/oneapi/tbb/latest/env/vars.sh
+        mkdir build
+        cd build
+        cmake .. -DGOOGLE_TEST=ON -DUSE_DMLC_GTEST=ON -DPLUGIN_SYCL=ON
+        make -j$(nproc)
+
+    - name: Run gtest binary
+      run: |
+        source /opt/intel/oneapi/compiler/latest/env/vars.sh
+        source /opt/intel/oneapi/tbb/latest/env/vars.sh
+        cd build
+        ./testxgboost --gtest_filter=Sycl*
+
   c-api-demo:
     name: Test installing XGBoost lib + building the C API demo
     runs-on: ${{ matrix.os }}