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only move model to device when model is in cpu and target device is xpu #3133

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only move model to device when model is in cpu and target device is xpu #3133

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2 changes: 1 addition & 1 deletion src/accelerate/accelerator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2005,7 +2005,7 @@ def _prepare_ipex_or_xpu(self, *args):
optimizer = obj
if optimizer is not None and model is not None:
dtype = torch.bfloat16 if self.state.mixed_precision == "bf16" else None
if self.device.type == "xpu":
if self.device.type == "xpu" and model.device.type == "cpu":
model = model.to(self.device)
# ipex.optimize() is available only for IPEX, both IPEX-CPU and IPEX-XPU
if is_ipex_available():
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2 changes: 1 addition & 1 deletion src/accelerate/state.py
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Expand Up @@ -703,7 +703,7 @@ def default_device(self) -> torch.device:
elif torch.cuda.is_available():
return torch.device("cuda")
elif is_xpu_available():
return torch.device("xpu:0")
return torch.device("xpu")
else:
return torch.device("cpu")

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