oneflow.Tensor.new_empty

Tensor.new_empty(*size, dtype=None, device=None, placement=None, sbp=None, requires_grad=False)Tensor

Returns a Tensor of size size filled with uninitialized data. By default, the returned Tensor has the same flow.dtype and flow.device as this tensor.

Parameters
  • size (int...) – a list, tuple, or flow.Size of integers defining the shape of the output tensor.

  • dtype (flow.dtype, optional) – the desired type of returned tensor. Default: if None, same flow.dtype as this tensor.

  • device (flow.device, optional) – the desired device of returned tensor. Default: if None, same flow.device as this tensor.

  • placement (flow.placement, optional) – the desired placement of returned global tensor. Default: if None, the returned tensor is local one using the argument device.

  • sbp (flow.sbp.sbp or tuple of flow.sbp.sbp, optional) – the desired sbp descriptor of returned global tensor. Default: if None, the returned tensor is local one using the argument device.

  • requires_grad (bool, optional) – If autograd should record operations on the returned tensor. Default: False.

For example:

>>> import oneflow as flow

>>> x = flow.ones(())
>>> y = x.new_empty((2, 2))
>>> y.shape
oneflow.Size([2, 2])