code: def reference(self):
      return (
          self.numpy(self.d1)
          + self.numpy(self.d2)
          + self.numpy(self.d3)
      )
  
imports: import itertools
  import operator
  import numpy
  import torch
  from .None import benchmark
label_desc: Use image node_id 3 for calling the BroadcastThreeArgs obj's underlying member method code with example usage: obj.reference() and returns: unknown