congᝰ: 你好，请问这个是什么问题啊D:\Anaconda3\envs\pytorch\python.exe D:/tempdown/svhn/0.py Traceback (most recent call last): File "D:/tempdown/svhn/0.py", line 262, in train_loss = train(model, train_dataloader, criterion, optimizer) File "D:/tempdown/svhn/0.py", line 138, in train criterion(c4, label[:, 3]) + \ File "D:\Anaconda3\Lib\site-packages\torch\nn\modules\module.py", line 1110, in _call_impl return forward_call(*input, **kwargs) File "D:\Anaconda3\Lib\site-packages\torch\nn\modules\loss.py", line 1165, in forward label_smoothing=self.label_smoothing) File "D:\Anaconda3\Lib\site-packages\torch\nn\functional.py", line 2996, in cross_entropy return torch._C._nn.cross_entropy_loss(input, target, weight, _Reduction.get_enum(reduction), ignore_index, label_smoothing) RuntimeError: expected scalar type Long but found Int

relax905: 你好，请问我运行这个出现RuntimeError: "nll_loss_forward_reduce_cuda_kernel_2d_index" not implemented for 'Int'是什么原因啊

qq_35641067: 是不是没有数据没有加载进去？

wangan094: 这份代码下载数据集后，也运行不起来，会报如上错误

wangan094: [code=python] (pytorch) cli@amax:/data/cli/dh/resnet_svhn/data$ /opt/anaconda3/envs/pytorch/bin/python /data/cli/dh/resnet_svhn/resnet18_svhn.py /opt/anaconda3/envs/pytorch/lib/python3.7/site-packages/numpy/core/fromnumeric.py:3373: RuntimeWarning: Mean of empty slice. out=out, **kwargs) /opt/anaconda3/envs/pytorch/lib/python3.7/site-packages/numpy/core/_methods.py:170: RuntimeWarning: invalid value encountered in double_scalars ret = ret.dtype.type(ret / rcount) Traceback (most recent call last): File "/data/cli/dh/resnet_svhn/resnet18_svhn.py", line 258, in label_pre = predict(model,val_dataloader,TTA=1) File "/data/cli/dh/resnet_svhn/resnet18_svhn.py", line 231, in predict result_pred = np.vstack(test_pred) #--->result_pred:(num,55) num=len(data) File "", line 6, in vstack File "/opt/anaconda3/envs/pytorch/lib/python3.7/site-packages/numpy/core/shape_base.py", line 283, in vstack return _nx.concatenate(arrs, 0) [/code]