code: def size_in_bytes(t):
      return torch.numel(t) * t.element_size()
  
file_path: apex/apex/contrib/test/layer_norm/test_fast_layer_norm.py
imports: import itertools
  import unittest
  import torch
label_desc: Use image node_id 1 for calling a global function with example usage: size_in_bytes(t) and returns: unknown