torch.nn.functional.mish
torch.nn.functional.mish(input, inplace=False)
Applies the Mish function, element-wise. Mish: A Self Regularized
   Non-Monotonic Neural Activation Function.
  \text{Mish}(x) = x * \text{Tanh}(\text{Softplus}(x))

Note:
 See Mish: A Self Regularized Non-Monotonic Neural Activation
 Function

See "Mish" for more details.
Return type:
      Tensor