class_docstr: Hardswish activation function. It is natively supported by Pytorch Mobile, and has
  better latency than Swish in int8 mode.
class_docstr_tok: ["Hardswish","activation","function",".","It","is","natively","supported","by","Pytorch","Mobile",",","and","has","better","latency","than","Swish","in","int8","mode","."]
code: def forward(self, x):
      return self.act(x)
  
imports: import torch
  import torch.nn
  from pytorchvideo.accelerator.efficient_blocks.efficient_block_base import EfficientBlockBase
  from pytorchvideo.layers.swish import Swish
label_desc: Use image node_id 2 for calling the HardSwish obj's underlying member method code with example usage: obj.forward(x) and returns: self