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摘要: x = torch.tensor(2.0)x.requires_grad_(True)y = 2 * xz = 5 * x w = y + z.detach()w.backward() print(x.grad) => 2 本来应该x的梯度为7,但是detach()那一路切段了梯度的传播,导致5没有 阅读全文
posted @ 2022-04-03 21:16 Through_The_Night 阅读(64) 评论(0) 推荐(0) 编辑
摘要: def step(self): "Update parameters and rate" self._step += 1 rate = self.rate() for p in self.optimizer.param_groups: p['lr'] = rate self._rate = rate 阅读全文
posted @ 2022-04-03 16:13 Through_The_Night 阅读(130) 评论(0) 推荐(0) 编辑