callbacks.py 文件源码

def __call__(self, transformer, callback_data, phase, data, idx):
        if phase == CallbackPhase.minibatch_post:
            if ((idx + 1) % self.frequency == 0):
                interval = slice(idx + 1 - self.frequency, idx)
                train_cost = callback_data["cost/train"][interval].mean()
                tqdm.write("Interval {} Iteration {} complete.  Avg Train cost: {}".format(
                    idx // self.frequency + 1, idx + 1, train_cost))