torch.nn.functional.hardswish — PyTorch 2.7 documentation (original) (raw)

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torch.nn.functional.hardswish(input, inplace=False)[source][source]

Apply hardswish function, element-wise.

Follows implementation as described in the paper:Searching for MobileNetV3.

Hardswish(x)={0if x≤−3,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}

See Hardswish for more details.

Return type

Tensor