code: def rotate_every_two(x):
      x1 = x[:, :, :, ::2]
      x2 = x[:, :, :, 1::2]
      x = torch.stack((-x2, x1), dim=-1)
      return x.flatten(-2)
  
imports: import os
  import torch
  from bigdl.llm.utils.common import invalidInputError
  from bigdl.llm.ggml.quantize import ggml_tensor_qtype
  from bigdl.llm.transformers.utils import get_ipex_version, get_xpu_device_type
label_desc: Use image node_id 10 for calling a global function with example usage: rotate_every_two(x) and returns: x