class_docstr: Pass the input to the model parallel region.
  
  Args:
      input_: input matrix.
      parallel_mode: parallel mode.
class_docstr_tok: ["Pass","the","input","to","the","model","parallel","region",".","Args",":","input_",":","input","matrix",".","parallel_mode",":","parallel","mode","."]
code: def symbolic(graph, input_):
      return input_
  
imports: import torch
  import torch.distributed
  from colossalai.legacy.core import global_context
  from colossalai.legacy.global_variables import tensor_parallel_env
  from ..utils import divide
label_desc: Use image node_id 1 for calling the _ReduceGrad obj's underlying member method code with example usage: obj.symbolic(graph, input_) and returns: input_