model.py 文件源码

def node_forward(self, inputs, child_c, child_h):
        child_h_sum = torch.sum(child_h, dim=0, keepdim=True)

        iou = self.ioux(inputs) + self.iouh(child_h_sum)
        i, o, u = torch.split(iou, iou.size(1) // 3, dim=1)
        i, o, u = F.sigmoid(i), F.sigmoid(o), F.tanh(u)

        f = F.sigmoid(
                self.fh(child_h) +
                self.fx(inputs).repeat(len(child_h), 1)
            )
        fc = torch.mul(f, child_c)

        c = torch.mul(i, u) + torch.sum(fc, dim=0, keepdim=True)
        h = torch.mul(o, F.tanh(c))
        return c, h