Example:
  >>> x = torch.tensor([1, 2, 3])
  >>> x.tile((2,))
  tensor([1, 2, 3, 1, 2, 3])
  >>> y = torch.tensor([[1, 2], [3, 4]])
  >>> torch.tile(y, (2, 2))
  tensor([[1, 2, 1, 2],
          [3, 4, 3, 4],
          [1, 2, 1, 2],
          [3, 4, 3, 4]])
