ONNX: export failure: Exporting the operator silu to ONNX opset version 12 is not suppo

项目场景：

提示：eror>>> ONNX: export failure: Exporting the operator silu to ONNX opset version 12 is not supported. Please open a bug to request ONNX export support for the missing operator.

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问题描述

onnx不支持silu：

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解决方案：

找到python路径/Lib/site-packages/torch/nn/modules/activation.py：

 重写394行
    def forward(self, input: Tensor) -> Tensor:
        # 原始
        # return F.silu(input, inplace=self.inplace)
        # 重写
        return input * torch.sigmoid(input)