Trigger workflow #2

	name: Unit tests

	on:
	workflow_dispatch:
	push:
	branches: [gpu-ci]
	#pull_request:
	# branches: [main, multi-backend-refactor]

	jobs:
	run-tests:
	runs-on:
	group: CUDA-Linux-x64
	needs: build-cuda
	strategy:
	fail-fast: false
	matrix:
	torch_version: [
	# "2.0.1",
	# "2.1.2",
	# "2.2.2",
	"2.3.1",
	"2.4.1"
	]
	python_version:
	["3.8", "3.9", "3.10", "3.11", "3.12"]

	steps:
	- name: Checkout repo
	uses: actions/checkout@v4
	- name: Download build artifact
	uses: actions/download-artifact@v4
	with:
	pattern: shared_cuda*
	merge-multiple: true
	path: bitsandbytes/
	- name: Show directory structure
	run: ls -lR
	- name: Show GPU information
	run: nvidia-smi
	- name: Set up Python ${{ matrix.python_version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python_version }}
	- name: Install testing dependencies
	run: \|
	pip install -r requirements-ci.txt
	pip install -e .
	pip install torch==${{ matrix.torch_version }}
	- name: Show installed packages
	run: pip freeze
	- name: Run tests
	run: pytest

	build-cuda:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: true
	matrix:
	cuda_version:
	["11.8.0", "12.1.1", "12.4.1"]

	steps:
	- name: Checkout repo
	uses: actions/checkout@v4
	- name: Build CUDA backend
	run: bash .github/scripts/build-cuda.sh
	env:
	build_os: ubuntu
	build_arch: x86_64
	cuda_version: ${{ matrix.cuda_version }}
	- name: Upload build artifact
	uses: actions/upload-artifact@v4
	with:
	name: shared_cuda${{ matrix.cuda_version }}
	path: output/*
	retention-days: 7

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