I am running someone’s code:
torch.autograd.set_detect_anomaly(True)
network = Network()
network.cuda()
criterion = nn.MSELoss()
optimizer = optim.Adam(network.parameters(), lr=0.0001)
loss_min = np.inf
num_epochs = 10
start_time = time.time()
for epoch in range(1,num_epochs+1):
loss_train = 0
loss_valid = 0
running_loss = 0
network.train()
for step in range(1,len(train_loader)+1):
images, landmarks = next(iter(train_loader))
images = images.cuda()
landmarks = landmarks.view(landmarks.size(0),-1).cuda()
predictions = network(images)
# clear all the gradients before calculating them
optimizer.zero_grad()
# find the loss for the current step
loss_train_step = criterion(predictions, landmarks)
# calculate the gradients
loss_train_step.backward()
# update the parameters
optimizer.step()
loss_train += loss_train_step.item()
running_loss = loss_train/step
print_overwrite(step, len(train_loader), running_loss, 'train')
network.eval()
with torch.no_grad():
for step in range(1,len(valid_loader)+1):
images, landmarks = next(iter(valid_loader))
images = images.cuda()
landmarks = landmarks.view(landmarks.size(0),-1).cuda()
predictions = network(images)
# find the loss for the current step
loss_valid_step = criterion(predictions, landmarks)
loss_valid += loss_valid_step.item()
running_loss = loss_valid/step
print_overwrite(step, len(valid_loader), running_loss, 'valid')
loss_train /= len(train_loader)
loss_valid /= len(valid_loader)
print('\n--------------------------------------------------')
print('Epoch: {} Train Loss: {:.4f} Valid Loss: {:.4f}'.format(epoch, loss_train, loss_valid))
print('--------------------------------------------------')
if loss_valid < loss_min:
loss_min = loss_valid
torch.save(network.state_dict(), '/content/face_landmarks.pth')
print("\nMinimum Validation Loss of {:.4f} at epoch {}/{}".format(loss_min, epoch, num_epochs))
print('Model Saved\n')
print('Training Complete')
print("Total Elapsed Time : {} s".format(time.time()-start_time))
And I am getting this error:
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-54-c0d2605b8aa6> in <module>
21 images, landmarks = next(iter(train_loader))
22
---> 23 images = images.cuda()
24 landmarks = landmarks.view(landmarks.size(0),-1).cuda()
25
AttributeError: 'str' object has no attribute 'cuda'