caicloud/tensorflow-tutorial

variables_averages_op 不需要run么？

cyqluowang opened this issue · 5 comments

cyqluowang commented

在计算滑动平均的时候，有写代码的例子是要sess.run
你的例子里面，没有run，那这个是怎么理解？
谢谢

cyqluowang commented

variables_averages_op .那这个的运行是怎么理解的呢？

cyqluowang commented 
if is_chief:
        variable_averages = tf.train.ExponentialMovingAverage(
            MOVING_AVERAGE_DECAY, global_step)
        variables_averages_op = variable_averages.apply(
            tf.trainable_variables())
        with tf.control_dependencies([variables_averages_op, train_op]):
            train_op = tf.no_op()

variables_averages_op 没有显示的run

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