Files
flash-attention-prebuild-wh…/.github/workflows/_build_windows.yml
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2025-12-05 01:15:34 +09:00

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YAML

# #########################################################
# Build wheels with GitHub hosted runner on Windows x86_64
# #########################################################
name: "[Windows x86_64] Build wheels and upload to GitHub Releases"
on:
workflow_call:
inputs:
flash-attn-version:
description: "Flash-Attention version"
required: true
type: string
python-version:
description: "Python version"
required: true
type: string
torch-version:
description: "PyTorch version"
required: true
type: string
cuda-version:
description: "CUDA version"
required: true
type: string
runner:
description: "Runner type"
required: false
type: string
default: "windows-2022"
is-upload:
description: "Whether to upload the release asset"
required: false
type: boolean
default: true
jobs:
build_windows_wheels:
name: Build wheels and Upload (Windows x86_64, GitHub hosted runner)
runs-on: ${{ inputs.runner }}
env:
MAX_JOBS: 2
NVCC_THREADS: 2
steps:
- uses: actions/checkout@v4
- name: Enable Git long paths
shell: pwsh
run: git config --system core.longpaths true
- uses: actions/setup-python@v5
with:
python-version: ${{ inputs.python-version }}
- uses: mjun0812/setup-cuda@v1
with:
version: ${{ inputs.cuda-version }}
- name: Install Visual Studio BuildTools (C++/CMake + Windows SDK)
shell: pwsh
run: |
choco upgrade -y visualstudio2022buildtools `
--params "--add Microsoft.VisualStudio.Component.VC.Tools.x86.x64 `
--add Microsoft.VisualStudio.Component.VC.CMake.Project `
--add Microsoft.VisualStudio.Component.Windows11SDK.22621 `
--includeRecommended --includeOptional"
- name: Setup MSVC Developer Command Prompt
uses: TheMrMilchmann/setup-msvc-dev@v3
with:
arch: x64
- name: Add msbuild to PATH
uses: microsoft/setup-msbuild@v2
- name: Install build dependencies
shell: pwsh
run: |
python -m pip install -U setuptools==75.8.0 wheel packaging psutil ninja
- name: Build wheels
shell: pwsh
run: |
.\build_windows.ps1 -FlashAttnVersion "${{ inputs.flash-attn-version }}" -PythonVersion "${{ inputs.python-version }}" -TorchVersion "${{ inputs.torch-version }}" -CudaVersion "${{ inputs.cuda-version }}"
$wheelName = Get-ChildItem -Path "flash-attention\dist\*.whl" | Select-Object -First 1 | ForEach-Object { $_.Name }
echo "wheel_name=$wheelName" >> $env:GITHUB_ENV
- name: Install Test
shell: pwsh
run: |
pip install --no-cache-dir flash-attention/dist/$env:wheel_name
python -c "import flash_attn; print(flash_attn.__version__)"
- name: Upload Release Asset
if: ${{ inputs.is-upload }}
shell: pwsh
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: |
$tag_name = "${env:GITHUB_REF}".Replace("refs/tags/", "")
$wheel_path = "flash-attention/dist/$env:wheel_name"
gh release upload "$tag_name" "$wheel_path" --clobber