Setup XPU CI

Author: matthewdouglas

.github/workflows/tests.yml

@@ -222,6 +222,50 @@ jobs:
   #     - name: Show pip packages
   #       run: pip list
 
+  test-xpu:
+    if: github.repository == 'bitsandbytes-foundation/bitsandbytes'
+    needs: build-cpu
+    runs-on:
+      group: bandb-itac-bmsprpvc1550-8-1gpu
+    env:
+      BNB_TEST_DEVICE: xpu
+    steps:
+      - name: Show system information
+        run: |
+          echo "OS: $(uname -a)"
+          echo "CPU: $(lscpu | grep 'Model name')"
+          echo "Memory: $(free -h)"
+
+      - name: Show XPU Information
+        run: xpu-smi
+
+      - uses: actions/checkout@v4
+
+      - name: Download build artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: lib_cpu_ubuntu-22.04_x86_64
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.9
+
+      - name: Install dependencies
+        run: |
+          pip install torch==2.7.1 --index-url https://download.pytorch.org/whl/xpu
+
+          pip install -e ".[test]"
+          pip install pytest-cov
+
+      - name: Show installed packages
+        run: pip list
+
+      - name: Show environment information
+        run: |
+          python -m torch.utils.collect_env
+          python -m bitsandbytes
+
   test-cuda:
     if: github.repository == 'bitsandbytes-foundation/bitsandbytes'
     needs: build-cuda