code: def test_hard_swish(self):
      run_and_compare_activation(self, hard_swish, [(1024,)])
  
imports: import torch
  import torch.nn
  import torch.fx
  from functorch import make_fx
  from torch.nn import functional
  from functorch.compile import memory_efficient_fusion
  from torch._functorch.compile_utils import fx_graph_cse
  from torch.testing._internal.common_utils import TestCase, run_tests
  import inspect
  import random
  from typing import Callable
  import unittest
label_desc: Use image node_id 5 for calling the TestMemoryEfficientOpAuthoring obj's underlying member method code with example usage: obj.test_hard_swish() without return types