chain.py 文件源码

def update_learning_rate(self, lr):
        if isinstance(self._optimizer, optimizers.Adam):
            self._optimizer.alpha = lr
            return
        if isinstance(self._optimizer, Eve):
            self._optimizer.alpha = lr
            return
        if isinstance(self._optimizer, optimizers.AdaDelta):
            # AdaDelta has no learning rate
            return
        self._optimizer.lr = lr