你好,我是一名学习PyTorch的学生,从去年夏天开始就一直在学习。
state = torch.load('drive/My Drive/MODEL/4 CBAM classifier55')
model = MyResNet()
model.load_state_dict(state['state_dict'])
criterion = nn.CrossEntropyLoss()
optimizer = optim.Adam(model.parameters(), lr=0.0003,betas=(0.5,0.999))
optimizer.load_state_dict(state['optimizer'])
model.to(device)
我写了与上述代码类似的代码。
RuntimeError Traceback (most recent call last)
<ipython-input-26-507493db387a> in <module>()
56 new_loss.backward()
57
---> 58 optimizer.step()
59
60 running_loss += loss.item()
/usr/local/lib/python3.6/dist-packages/torch/autograd/grad_mode.py in decorate_context(*args, **kwargs)
13 def decorate_context(*args, **kwargs):
14 with self:
---> 15 return func(*args, **kwargs)
16 return decorate_context
17
/usr/local/lib/python3.6/dist-packages/torch/optim/adam.py in step(self, closure)
97
98 # Decay the first and second moment running average coefficient
---> 99 exp_avg.mul_(beta1).add_(grad, alpha=1 - beta1)
100 exp_avg_sq.mul_(beta2).addcmul_(grad, grad, value=1 - beta2)
101 if amsgrad:
RuntimeError: expected device cpu but got device cuda:0
当我实现训练代码时,出现了这种错误。当我注释掉'optimizer.load_state_dict'时,它能够正常工作。我应该如何解决这个问题?感谢您的回答。 :)