name: CI (sycl)

on:
  workflow_dispatch: # allows manual triggering
  push:
    branches:
      - master
    paths: [
      '.github/workflows/build-sycl.yml',
      '**/CMakeLists.txt',
      '**/.cmake',
      '**/*.h',
      '**/*.hpp',
      '**/*.c',
      '**/*.cpp'
    ]

  pull_request:
    types: [opened, synchronize, reopened]
    paths: [
      '.github/workflows/build-sycl.yml',
      'ggml/src/ggml-sycl/**'
    ]

cache-mode: none
permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref && github.ref || github.run_id }}
  cancel-in-progress: true

env:
  GGML_NLOOP: 3
  GGML_N_THREADS: 1
  LLAMA_ARG_LOG_COLORS: 1
  LLAMA_ARG_LOG_PREFIX: 1
  LLAMA_ARG_LOG_TIMESTAMPS: 1

jobs:
  ubuntu-24-sycl:
    strategy:
      matrix:
        build: [fp32, fp16]
        include:
          - build: fp32
            fp16: OFF
          - build: fp16
            fp16: ON

    runs-on: ubuntu-24.04

    env:
      ONEAPI_ROOT: /opt/intel/oneapi/
      ONEAPI_INSTALLER_VERSION: "2026.1"
      LEVEL_ZERO_VERSION: "1.33.1"
      LEVEL_ZERO_UBUNTU_VERSION: "u24.04"

    continue-on-error: true

    steps:
      - name: Clone
        id: checkout
        uses: actions/checkout@v6

      - name: Download & Install oneAPI
        shell: bash
        run: |
          cd /tmp
          echo "Download oneAPI Deep Learning Essentials installation package"
          wget https://registrationcenter-download.intel.com/akdlm/IRC_NAS/b5c100a7-8052-4e88-90e2-63d9916a998b/intel-deep-learning-essentials-2026.1.4.17_offline.sh -O intel-deep-learning-essentials_offline.sh
          echo "Install oneAPI Deep Learning Essentials components"
          sudo bash intel-deep-learning-essentials_offline.sh -s -a --silent --eula accept

          echo "Download oneDNN installation package"
          wget https://registrationcenter-download.intel.com/akdlm/IRC_NAS/94c3dbac-0852-45be-a57d-21c204cada3e/intel-onednn-2026.0.2.46_offline.sh -O intel-onednn_offline.sh
          echo "Install oneDNN components"
          sudo bash intel-onednn_offline.sh -s -a --silent --eula accept

      - name: Install Level Zero SDK
        shell: bash
        run: |
          cd /tmp
          # v1.33.x renamed the Debian packages to libze1 / libze-dev
          wget -q "https://github.com/oneapi-src/level-zero/releases/download/v${LEVEL_ZERO_VERSION}/libze1_${LEVEL_ZERO_VERSION}%2B${LEVEL_ZERO_UBUNTU_VERSION}_amd64.deb" -O libze1.deb
          wget -q "https://github.com/oneapi-src/level-zero/releases/download/v${LEVEL_ZERO_VERSION}/libze-dev_${LEVEL_ZERO_VERSION}%2B${LEVEL_ZERO_UBUNTU_VERSION}_amd64.deb" -O libze-dev.deb
          sudo apt-get install -y ./libze1.deb ./libze-dev.deb

      - name: Dependencies
        id: depends
        run: |
          sudo apt-get update
          sudo apt-get install -y libssl-dev

      - name: ccache
        uses: ggml-org/ccache-action@v1.2.24
        with:
          restore: false
          save: false

      - name: ccache-buckets-restore
        uses: ./.github/actions/ccache-buckets
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN_CI }}
        with:
          key: sycl-ubuntu-24-${{ matrix.build }}
          folder: llama.cpp
          hf_bucket: ggml-org/cache

      - name: Build
        id: cmake_build
        run: |
          source /opt/intel/oneapi/setvars.sh
          cmake -B build \
            -G "Ninja" \
            -DCMAKE_BUILD_TYPE=Release \
            -DGGML_SYCL=ON \
            -DCMAKE_C_COMPILER=icx \
            -DCMAKE_CXX_COMPILER=icpx \
            -DGGML_NATIVE=OFF \
            -DGGML_SYCL_F16=${{ matrix.fp16 }} \
            -DGGML_SYCL_SUPPORT_LEVEL_ZERO_API=ON \
            -DGGML_SYCL_DNN=ON \
            -DCMAKE_CXX_FLAGS="-fsycl-unnamed-lambda" \
            -DCMAKE_EXE_LINKER_FLAGS="-fsycl-unnamed-lambda"
          time cmake --build build --config Release -j $(nproc)

      - name: ccache-buckets-save
        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
        uses: ./.github/actions/ccache-buckets
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN_CACHE_OUTPUT }}
        with:
          key: sycl-ubuntu-24-${{ matrix.build }}
          folder: llama.cpp
          evict-old-files: 1d
          hf_bucket: ggml-org/cache
          save: true

  windows-latest-sycl:
    runs-on: windows-2022

    cache-mode: write
    permissions:
      actions: write
      contents: read

    defaults:
      run:
        shell: bash

    env:
      WINDOWS_DLE_URL: https://registrationcenter-download.intel.com/akdlm/IRC_NAS/a51104eb-6f4a-4a0e-9dae-1b81b0c81ae1/intel-deep-learning-essentials-2026.1.4.16_offline.exe
      WINDOWS_ONEDNN_URL: https://registrationcenter-download.intel.com/akdlm/IRC_NAS/34e28083-d04b-46a3-826c-8c1d00bf1e1c/intel-onednn-2026.0.2.47_offline.exe
      WINDOWS_DPCPP_MKL: intel.oneapi.win.cpp-dpcpp-common:intel.oneapi.win.mkl.devel:intel.oneapi.win.tbb.devel
      WINDOWS_DNNL: intel.oneapi.win.dnnl
      LEVEL_ZERO_SDK_URL: https://github.com/oneapi-src/level-zero/releases/download/v1.33.1/level-zero-win-sdk-1.33.1.zip
      ONEAPI_ROOT: "C:/Program Files (x86)/Intel/oneAPI"
      ONEAPI_INSTALLER_VERSION: "2026.1"
    steps:
      - name: Clone
        id: checkout
        uses: actions/checkout@v6

      - name: Download & Install oneAPI
        shell: bash
        run: |
          scripts/install-oneapi.bat $WINDOWS_DLE_URL $WINDOWS_DPCPP_MKL
          scripts/install-oneapi.bat $WINDOWS_ONEDNN_URL $WINDOWS_DNNL

      - name: Install Level Zero SDK
        shell: pwsh
        run: |
          Invoke-WebRequest -Uri "${{ env.LEVEL_ZERO_SDK_URL }}" -OutFile "level-zero-win-sdk.zip"
          Expand-Archive -Path "level-zero-win-sdk.zip" -DestinationPath "C:/level-zero-sdk" -Force
          "LEVEL_ZERO_V1_SDK_PATH=C:/level-zero-sdk" | Out-File -FilePath $env:GITHUB_ENV -Append

      - name: ccache
        uses: ggml-org/ccache-action@v1.2.24
        with:
          key: sycl-windows-latest
          variant: ccache
          evict-old-files: 1d
          save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}

      # TODO: add ssl support ; we will also need to modify win-build-sycl.bat to accept user-specified args

      - name: Build
        id: cmake_build
        run:  examples/sycl/win-build-sycl.bat

      - name: ccache-clear
        uses: ./.github/actions/ccache-clear
        env:
          GH_TOKEN: ${{ github.token }}
        with:
          key: sycl-windows-latest
          older: 5m
          min: 1
          dry-run: ${{ github.event_name != 'push' || github.ref != 'refs/heads/master' }}