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Preserve RNG state for XPU in checkpointing #8

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Preserve RNG state for XPU in checkpointing #8

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6 changes: 3 additions & 3 deletions torch/_functorch/partitioners.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1311,14 +1311,14 @@ def get_device(node) -> Optional[torch.device]:

for candidate in candidates:
if isinstance(candidate, torch.Tensor):
if candidate.device.type == "cuda":
if candidate.device.type in ["cuda", "xpu"]:
return candidate.device

return torch.device("cpu")

def get_sample_rng_state(device: Optional[torch.device]):
if device is not None and device.type == "cuda":
return torch.cuda.get_rng_state()
if device is not None and device.type in ["cuda", "xpu"]:
return torch.get_device_module().get_rng_state()
return torch.get_rng_state()

# Step 1 - Construct a mapping of rng node between the fwd and its counterpart in bwd.
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