updater.py 文件源码

def loss_dis(self, dis, y_in, y_out):
        batchsize,_,w,h = y_in.data.shape

        L1 = F.sum(F.softplus(-y_in)) / batchsize / w / h
        L2 = F.sum(F.softplus(y_out)) / batchsize / w / h
        loss = L1 + L2
        chainer.report({'loss': loss}, dis)
        return loss