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feat: add Intel Arc (XPU) GPU support across all backends

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Auto-detect Intel Arc GPUs during Windows setup and install PyTorch
with XPU support + intel-extension-for-pytorch. Enable allow_xpu=True
on all TTS backends (Chatterbox, Chatterbox Turbo, Hume TADA, LuxTTS)
that previously only supported CUDA. Add shared empty_device_cache()
and manual_seed() helpers in base.py to handle XPU memory management
and reproducible seeding alongside CUDA.
This commit is contained in:
James Pine
2026-03-18 11:24:51 -07:00
parent ffc1b54812
commit 83ebababe7
7 changed files with 83 additions and 51 deletions
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@@ -70,9 +70,14 @@ setup-python:
Write-Host "Installing Python dependencies..."
& "{{ python }}" -m pip install --upgrade pip -q
$hasNvidia = $null -ne (Get-WmiObject Win32_VideoController | Where-Object { $_.Name -match 'NVIDIA' })
$hasIntelArc = $null -ne (Get-WmiObject Win32_VideoController | Where-Object { $_.Name -match 'Intel.*Arc' })
if ($hasNvidia) { \
Write-Host "NVIDIA GPU detected — installing PyTorch with CUDA support..."; \
& "{{ pip }}" install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu128; \
} elseif ($hasIntelArc) { \
Write-Host "Intel Arc GPU detected — installing PyTorch with XPU support..."; \
& "{{ pip }}" install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/xpu; \
& "{{ pip }}" install intel-extension-for-pytorch --index-url https://download.pytorch.org/whl/xpu; \
}
& "{{ pip }}" install -r {{ backend_dir }}/requirements.txt
& "{{ pip }}" install --no-deps chatterbox-tts