device_of — PyTorch 2.7 documentation (original) (raw)

class torch.cuda.device_of(obj)[source][source]¶

Context-manager that changes the current device to that of given object.

You can use both tensors and storages as arguments. If a given object is not allocated on a GPU, this is a no-op.

Parameters

obj (Tensor or Storage) – object allocated on the selected device.