code: def forward(self, input):
      if self.bias is not None:
          return _fused_dense(input, self.weight, self.bias)
      else:
          return _dense_no_bias(input, self.weight)
  
imports: import torch
  from torch import nn
  import fused_dense_cuda
  from apex._autocast_utils import _cast_if_autocast_enabled
label_desc: Use image node_id 2 for calling the FusedDense obj's underlying member method code with example usage: obj.forward(input) and returns: _fused_dense, _dense_no_bias