class_docstr: Pass the input to the model parallel region.
class_docstr_tok: ["Pass","the","input","to","the","model","parallel","region","."]
code: def forward(ctx, input_):  # type: ignore
      return input_
  
imports: from typing import Any
  import torch
  from .initialize import get_model_parallel_group
  from .utils import split_tensor_along_last_dim
label_desc: Use image node_id 1 for calling the _CopyToModelParallelRegion obj's underlying member method code with example usage: obj.forward(ctx, input_) and returns: input_