feat(ci): add Vulkan wheel builds

.github/workflows/build-wheels-vulkan.yaml

@@ -0,0 +1,123 @@
+name: Build Wheels (Vulkan)
+
+on: workflow_dispatch
+
+permissions:
+  contents: write
+
+env:
+  VULKAN_SDK_VERSION: "1.4.341.0"
+  VULKAN_SDK_LINUX_SHA256: "ed66477d587a5587dc3601b1c2cdcc1fab5529c505f53a00171876cecd9b4fbe"
+
+jobs:
+  build_wheels:
+    name: Build Vulkan wheel on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-22.04
+            pyver: "3.9"
+            artifact: wheels-vulkan-ubuntu-22.04
+          - os: windows-2022
+            pyver: "3.9"
+            artifact: wheels-vulkan-windows-2022
+
+    steps:
+      - name: Set up MSVC
+        if: runner.os == 'Windows'
+        uses: ilammy/msvc-dev-cmd@v1
+        with:
+          arch: x64
+
+      - uses: actions/checkout@v4
+        with:
+          submodules: "recursive"
+
+      - uses: actions/setup-python@v6
+        with:
+          python-version: ${{ matrix.pyver }}
+          cache: "pip"
+
+      - name: Install Vulkan SDK
+        if: runner.os == 'Linux'
+        run: |
+          curl -fL \
+            "https://sdk.lunarg.com/sdk/download/${VULKAN_SDK_VERSION}/linux/vulkansdk-linux-x86_64-${VULKAN_SDK_VERSION}.tar.xz" \
+            -o vulkan-sdk.tar.xz
+          echo "${VULKAN_SDK_LINUX_SHA256}  vulkan-sdk.tar.xz" | sha256sum -c -
+          mkdir -p "$RUNNER_TEMP/vulkan-sdk"
+          tar -xf vulkan-sdk.tar.xz -C "$RUNNER_TEMP/vulkan-sdk"
+          source "$RUNNER_TEMP/vulkan-sdk/${VULKAN_SDK_VERSION}/setup-env.sh"
+          {
+            echo "VULKAN_SDK=$VULKAN_SDK"
+            echo "LD_LIBRARY_PATH=$VULKAN_SDK/lib:${LD_LIBRARY_PATH:-}"
+          } >> "$GITHUB_ENV"
+          echo "$VULKAN_SDK/bin" >> "$GITHUB_PATH"
+          "$VULKAN_SDK/bin/glslc" --version
+
+      - name: Install Vulkan SDK
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          choco install vulkan-sdk --version="$env:VULKAN_SDK_VERSION" --no-progress -y
+          $vulkanSdk = Join-Path 'C:\VulkanSDK' $env:VULKAN_SDK_VERSION
+          if (-not (Test-Path $vulkanSdk)) {
+            throw "Failed to find Vulkan SDK at $vulkanSdk"
+          }
+          "VULKAN_SDK=$vulkanSdk" >> $env:GITHUB_ENV
+          "$vulkanSdk\Bin" >> $env:GITHUB_PATH
+          & "$vulkanSdk\Bin\glslc.exe" --version
+
+      - name: Install build dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install build wheel
+
+      - name: Install Windows build dependencies
+        if: runner.os == 'Windows'
+        run: python -m pip install ninja
+
+      - name: Build Vulkan wheel
+        if: runner.os == 'Linux'
+        run: |
+          export CMAKE_ARGS="-DGGML_NATIVE=off -DGGML_METAL=OFF -DGGML_VULKAN=on"
+          python -m build --wheel
+          mkdir -p wheelhouse
+          cp dist/*.whl wheelhouse/
+
+      - name: Build Vulkan wheel
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          $env:CMAKE_GENERATOR = 'Ninja'
+          $env:CMAKE_ARGS = '-DGGML_NATIVE=off -DGGML_VULKAN=on'
+          python -m build --wheel
+          New-Item -ItemType Directory -Force wheelhouse | Out-Null
+          Copy-Item dist/*.whl wheelhouse/
+
+      - uses: actions/upload-artifact@v7
+        with:
+          name: ${{ matrix.artifact }}
+          path: ./wheelhouse/*.whl
+
+  release:
+    name: Release
+    needs: [build_wheels]
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          merge-multiple: true
+          path: dist
+
+      - uses: softprops/action-gh-release@v2
+        with:
+          files: dist/*
+          # Set release name to <tag>-vulkan.
+          tag_name: ${{ github.ref_name }}-vulkan
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/generate-index-from-release.yaml

@@ -3,7 +3,7 @@ name: Wheels Index
 on:
   # Trigger on new release
   workflow_run:
-    workflows: ["Release", "Build Wheels (CUDA)", "Build Wheels (Metal)"]
+    workflows: ["Release", "Build Wheels (CUDA)", "Build Wheels (Metal)", "Build Wheels (Vulkan)"]
     types:
       - completed
 
@@ -46,6 +46,7 @@ jobs:
           ./scripts/releases-to-pep-503.sh index/whl/cu124 '^[v]?[0-9]+\.[0-9]+\.[0-9]+-cu124$'
           # ./scripts/releases-to-pep-503.sh index/whl/cu125 '^[v]?[0-9]+\.[0-9]+\.[0-9]+-cu124$'
           # ./scripts/releases-to-pep-503.sh index/whl/cu126 '^[v]?[0-9]+\.[0-9]+\.[0-9]+-cu124$'
+          ./scripts/releases-to-pep-503.sh index/whl/vulkan '^[v]?[0-9]+\.[0-9]+\.[0-9]+-vulkan$'
           ./scripts/releases-to-pep-503.sh index/whl/metal '^[v]?[0-9]+\.[0-9]+\.[0-9]+-metal$'
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- feat(ci): add Vulkan wheel builds by @abetlen in #2251
 - fix: handle additional `from_pretrained` files in subfolders by @TNing in #2085
 
 ## [0.3.25]

README.md

@@ -196,6 +196,15 @@ To install with Vulkan support, set the `GGML_VULKAN=on` environment variable be
 CMAKE_ARGS="-DGGML_VULKAN=on" pip install llama-cpp-python
 ```
 
+**Pre-built Wheel (New)**
+
+It is also possible to install a pre-built wheel with Vulkan support for Linux or Windows:
+
+```bash
+pip install llama-cpp-python \
+  --extra-index-url https://abetlen.github.io/llama-cpp-python/whl/vulkan
+```
+
 </details>
 
 <details>