backend/llama.cpp/.github/workflows/build-cuda-ubuntu.yml

name: CI (CUDA, ubuntu)

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

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

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:
  cuda:
    runs-on: ubuntu-24.04
    container: nvidia/cuda:12.6.2-devel-ubuntu24.04

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

      - name: Install dependencies
        env:
          DEBIAN_FRONTEND: noninteractive
        run: |
          apt update
          apt install -y cmake build-essential ninja-build libgomp1 git libssl-dev

      - name: ccache
        uses: ggml-org/ccache-action@v1.2.21
        with:
          key: cuda-ubuntu-24.04-cuda
          evict-old-files: 1d
          save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}

      - name: Build with CMake
        # TODO: Remove GGML_CUDA_CUB_3DOT2 flag once CCCL 3.2 is bundled within CTK and that CTK version is used in this project
        run: |
          cmake -S . -B build -G Ninja \
            -DLLAMA_FATAL_WARNINGS=ON \
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_CUDA_ARCHITECTURES=89-real \
            -DCMAKE_EXE_LINKER_FLAGS=-Wl,--allow-shlib-undefined \
            -DGGML_NATIVE=OFF \
            -DGGML_CUDA=ON \
            -DGGML_CUDA_CUB_3DOT2=ON
          cmake --build build

  hip:
    runs-on: ubuntu-22.04
    container: rocm/dev-ubuntu-22.04:6.1.2

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

      - name: Dependencies
        id: depends
        run: |
          sudo apt-get update
          sudo apt-get install -y build-essential git cmake rocblas-dev hipblas-dev libssl-dev rocwmma-dev

      - name: ccache
        uses: ggml-org/ccache-action@v1.2.21
        with:
          key: cuda-ubuntu-22.04-hip
          evict-old-files: 1d
          save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}

      - name: Build with native CMake HIP support
        id: cmake_build
        run: |
          cmake -B build -S . \
            -DCMAKE_HIP_COMPILER="$(hipconfig -l)/clang" \
            -DGGML_HIP_ROCWMMA_FATTN=ON \
            -DGPU_TARGETS="gfx1030" \
            -DGGML_HIP=ON
          cmake --build build --config Release -j $(nproc)

  musa:
    runs-on: ubuntu-22.04
    container: mthreads/musa:rc4.3.0-devel-ubuntu22.04-amd64

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

      - name: Dependencies
        id: depends
        run: |
          apt-get update
          apt-get install -y build-essential git cmake libssl-dev

      - name: ccache
        uses: ggml-org/ccache-action@v1.2.21
        with:
          key: cuda-ubuntu-22.04-musa
          evict-old-files: 1d
          save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}

      - name: Build with native CMake MUSA support
        id: cmake_build
        run: |
          cmake -B build -S . \
            -DGGML_MUSA=ON
          time cmake --build build --config Release -j $(nproc)