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Hardswish

class torch.nn.Hardswish(inplace=False)[source]

Applies the Hardswish function, element-wise, as described in the paper: Searching for MobileNetV3.

Hardswish is defined as:

Hardswish(x)={0if x3,xif x+3,x(x+3)/6otherwise\text{Hardswish}(x) = \begin{cases} 0 & \text{if~} x \le -3, \\ x & \text{if~} x \ge +3, \\ x \cdot (x + 3) /6 & \text{otherwise} \end{cases}
Parameters

inplace (bool) – can optionally do the operation in-place. Default: False

Shape:
  • Input: ()(*), where * means any number of dimensions.

  • Output: ()(*), same shape as the input.

../_images/Hardswish.png

Examples:

>>> m = nn.Hardswish()
>>> input = torch.randn(2)
>>> output = m(input)

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