下面我将通过一个训练step,打印出权重和梯度,这样你就可以看到它是如何变化的。注意,我有一行代码优化器optimizer.zero_grad()。当您使用相同的参数进行多次反向传播时,梯度将累积。这意味着您需要在每个训练过程中将梯度归零,否则您将保留以前训练batchs的梯度。 实战训练 现在我们将把这个算法放到一个循环中,这样我...
short time later DeepSpeed has been released and it gave to the world the open source implementation of most of the ideas in that paper (a few ideas are still in works) and in parallel a team from Facebook released FairScale which also implemented some of the core ideas fro...
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