[staging CI] unslothai/unsloth#7706 - #168
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The installer's GPU detection chain (NVIDIA -> AMD ROCm -> else) has no Intel Arc/SYCL/XPU branch, so Intel Arc GPUs fall into the "none (chat-only / GGUF)" branch and get CPU PyTorch despite PyTorch publishing XPU wheels at download.pytorch.org/whl/xpu. This adds: - WMI-based Intel GPU detection (Arc, Iris, UHD, HD Graphics) - Torch XPU availability check for migrated/upgraded environments - An XPU PyTorch install path with the whl/xpu index - CPU fallback with a pointer to the Intel oneAPI docs when XPU isn't available - Updated messaging from "NVIDIA or AMD ROCm" to include Intel Arc The XPU wheels ship their own oneAPI runtime (intel-sycl-rt et al.) so no Intel oneAPI Base Toolkit is required for GPU training. Tested on: Windows 11, Intel Arc 140V GPU (8GB), PyTorch 2.9.0+xpu Co-authored-by: CommandCodeBot <noreply@commandcode.ai>
The XPU index selected during GPU detection was overwritten by Get-TorchIndexUrl before the install branch read it, so Intel hosts still got CPU PyTorch while being told XPU wheels were being installed. - Move the XPU reroute after Get-TorchIndexUrl, and let an explicit pin win - Detect via Get-CimInstance (Get-WmiObject is absent in PowerShell 7) - Match only Arc / Data Center GPU, so UHD / HD / Iris Xe are not promised XPU - Split Intel GPU present from XPU-capable so the CPU fallback hint works - Bound the XPU torch trio like every other index (bare names resolved torch 2.13.0 + torchaudio 2.11.0 and pulled unsloth back to an old release) - Clear the XPU state after a CPU fallback, mirroring the ROCm path - Teach the index family, GPU branch and torch flavor helpers about xpu
install.ps1 now classifies an /xpu index leaf as family xpu / branch xpu, so mirror the same two cases in _tauri_torch_index_family and _tauri_gpu_branch. These feed the [TAURI:DIAG] line only, and a Linux user can already reach the xpu index via UNSLOTH_TORCH_INDEX_FAMILY, where it previously reported auto/unknown. Linux Intel auto-detection is not added here.
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Disposable CI run for unslothai#7706. Do not merge; closed after CI.