code: def split_forward_gather_backward(input_, dim, process_group):
      return _SplitForwardGatherBackward.apply(
          input_, dim, process_group
      )
  
imports: import torch
  import torch.distributed
  import torch.nn.functional
label_desc: Use image node_id 12 for calling a global function with example usage: split_forward_gather_backward(input_, dim, process_group) and returns: _SplitForwardGatherBackward