Add SYCL support

.github/workflows/ci.yml

@@ -1,5 +1,9 @@
 name: CI
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 on:
   push:
   pull_request:

.github/workflows/static-analysis.yml

@@ -1,5 +1,9 @@
 name: Static analysis
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 on: [pull_request]
 
 jobs:
@@ -27,4 +31,5 @@ jobs:
             cmake --build build --parallel
     - name: Run clang-tidy
       run: |
-        clang-tidy app/**/*.cpp src/**/*.cpp -format-style=file -header-filter="($PWD/include/.*|$PWD/src/.*|$PWD/app/.*)" -p build
+        mapfile -t sources < <(find app src -path 'app/SYCL' -prune -o -name '*.cpp' -print)
+        clang-tidy "${sources[@]}" -format-style=file -header-filter="($PWD/include/.*|$PWD/src/.*|$PWD/app/.*)" -p build

.github/workflows/sycl-ci.yml

@@ -0,0 +1,190 @@
+name: SYCL CI
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+env:
+  INTEL_LLVM_TAG: nightly-2026-03-17
+  INTEL_OPENCL_CPU_RUNTIME_URL: https://registrationcenter-download.intel.com/akdlm/IRC_NAS/ad824c04-01c8-4ae5-b5e8-164a04f67609/w_opencl_runtime_p_2025.3.1.762.exe
+  ADAPTIVECPP_TAG: v25.10.0
+
+jobs:
+  prepare-sycl-linux-x86-toolchain:
+    name: prepare-linux-x86_64-toolchain
+    runs-on: ubuntu-latest
+    timeout-minutes: 360
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Setup Ninja
+      uses: seanmiddleditch/gha-setup-ninja@v6
+
+    - name: Setup ccache
+      uses: hendrikmuhs/ccache-action@v1.2
+      with:
+        key: ccache-${{ github.job }}-${{ env.INTEL_LLVM_TAG }}
+        max-size: 8G
+
+    - name: Restore Intel toolchain cache
+      uses: actions/cache@v4
+      with:
+        path: ${{ runner.temp }}/intel-nativecpu-toolchain/install
+        key: intel-nativecpu-toolchain-${{ env.INTEL_LLVM_TAG }}-v1
+
+    - name: Prepare Intel native_cpu toolchain
+      run: python3 ./scripts/ci/sycl_x86_setup.py linux-x86_64
+
+  build-sycl-linux-x86:
+    name: linux-x86_64 / ${{ matrix.build_type }}
+    runs-on: ubuntu-latest
+    needs: prepare-sycl-linux-x86-toolchain
+    timeout-minutes: 360
+    strategy:
+      fail-fast: true
+      matrix:
+        build_type:
+          - Debug
+          - Release
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Setup Ninja
+      uses: seanmiddleditch/gha-setup-ninja@v6
+
+    - name: Setup ccache
+      uses: hendrikmuhs/ccache-action@v1.2
+      with:
+        key: ccache-${{ github.job }}-${{ matrix.build_type }}
+        max-size: 2G
+
+    - name: Restore Intel toolchain cache
+      uses: actions/cache@v4
+      with:
+        path: ${{ runner.temp }}/intel-nativecpu-toolchain/install
+        key: intel-nativecpu-toolchain-${{ env.INTEL_LLVM_TAG }}-v1
+
+    - name: Prepare platform settings
+      run: python3 ./scripts/ci/sycl_x86_setup.py linux-x86_64
+
+    - name: Configure
+      run: python3 ./scripts/ci/sycl_configure.py "${{ matrix.build_type }}" "${ITLABAI_ENABLE_OPENCV_APPS}"
+
+    - name: Build
+      run: cmake --build build --parallel
+
+    - name: Test
+      run: |
+        if [ -n "${DEVICE_SELECTOR}" ]; then
+          ONEAPI_DEVICE_SELECTOR="${DEVICE_SELECTOR}" ctest --test-dir build --output-on-failure --parallel
+        else
+          ctest --test-dir build --output-on-failure --parallel
+        fi
+
+  build-sycl-windows-x86:
+    name: windows-x86_64 / ${{ matrix.build_type }}
+    runs-on: windows-2025
+    timeout-minutes: 360
+    strategy:
+      fail-fast: true
+      matrix:
+        build_type:
+          - Debug
+          - Release
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Setup Ninja
+      uses: seanmiddleditch/gha-setup-ninja@v6
+
+    - name: Setup ccache
+      uses: Chocobo1/setup-ccache-action@v1
+      with:
+        windows_compile_environment: msvc
+
+    - name: Setup MSVC environment
+      uses: ilammy/msvc-dev-cmd@v1
+
+    - name: Prepare platform settings
+      run: python3 ./scripts/ci/sycl_x86_setup.py windows-x86_64
+
+    - name: Configure
+      run: python3 ./scripts/ci/sycl_configure.py "${{ matrix.build_type }}" "${ITLABAI_ENABLE_OPENCV_APPS}"
+
+    - name: Build
+      run: cmake --build build --parallel
+
+    - name: Test
+      run: |
+        if [ -n "${DEVICE_SELECTOR}" ]; then
+          ONEAPI_DEVICE_SELECTOR="${DEVICE_SELECTOR}" ctest --test-dir build --output-on-failure --parallel
+        else
+          ctest --test-dir build --output-on-failure --parallel
+        fi
+
+  build-sycl-adaptivecpp-arm64:
+    name: ${{ matrix.platform }} / ${{ matrix.build_type }}
+    runs-on: ${{ matrix.platform == 'linux-arm64' && 'ubuntu-24.04-arm' || 'macos-15' }}
+    timeout-minutes: 360
+    strategy:
+      fail-fast: true
+      matrix:
+        platform:
+          - linux-arm64
+          - macos-arm64
+        build_type:
+          - Debug
+          - Release
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Setup Ninja
+      uses: seanmiddleditch/gha-setup-ninja@v6
+
+    - name: Setup ccache
+      uses: hendrikmuhs/ccache-action@v1.2
+      with:
+        key: ccache-${{ github.job }}-${{ matrix.platform }}-${{ matrix.build_type }}
+        max-size: 2G
+
+    - name: Install AdaptiveCpp prerequisites
+      run: python3 ./scripts/ci/sycl_adaptivecpp_setup.py
+
+    - name: Configure
+      run: python3 ./scripts/ci/sycl_configure.py "${{ matrix.build_type }}" "${ITLABAI_ENABLE_OPENCV_APPS}"
+
+    - name: Build
+      run: cmake --build build --parallel
+
+    - name: Test
+      run: ctest --test-dir build --output-on-failure --parallel

3rdparty/CMakeLists.txt

@@ -1,15 +1,22 @@
 add_subdirectory(googletest)
 
+if(WIN32 AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    foreach(itlabai_gtest_target IN ITEMS gtest gtest_main gmock gmock_main)
+        if(TARGET ${itlabai_gtest_target})
+            target_compile_options(${itlabai_gtest_target} PRIVATE -Wno-character-conversion)
+        endif()
+    endforeach()
+endif()
+
 set(DNNL_CPU_RUNTIME "TBB" CACHE STRING "oneDNN CPU threading runtime")
 
 add_subdirectory(oneDNN)
 
-# Unified TBB Configuration
+# Unified TBB configuration for the vendored fallback.
 option(TBB_TEST "Build TBB tests" OFF)
 option(TBB_EXAMPLES "Build TBB examples" OFF)
 set(TBB_STRICT OFF CACHE BOOL "Treat compiler warnings as errors")
 
-# Configure TBB with unified settings
 add_subdirectory(TBB)
 
 # Create a unified TBB interface target
@@ -20,17 +27,8 @@ if(NOT TARGET TBB_unified)
         $<TARGET_PROPERTY:TBB::tbb,INTERFACE_INCLUDE_DIRECTORIES>
     )
 
-    # Platform-specific runtime library handling for Windows
+    # Platform-specific runtime library handling for Windows.
     if(WIN32)
-        # Get the TBB library directory based on build type
-        if(CMAKE_BUILD_TYPE)
-            string(TOLOWER ${CMAKE_BUILD_TYPE} lower_build)
-            set(TBB_LIB_DIR "${CMAKE_SOURCE_DIR}/3rdparty/TBB/build/tbb_${lower_build}")
-        else()
-            set(TBB_LIB_DIR "${CMAKE_SOURCE_DIR}/3rdparty/TBB/build/tbb_debug")
-        endif()
-
-        # Create a custom target to copy TBB runtime libraries
         add_custom_target(copy_tbb_runtime ALL
             COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_BINARY_DIR}/bin"
             COMMAND ${CMAKE_COMMAND} -E copy_if_different