Comments (5)
It seems that in the mnist setting, the valid_transform should add "transforms.ToPILImage()"
Besides, it seems that I have understand my first question about "transform twice".........
from fedntd.
first...
def _build_truncated_dataset(self):
base_dataset = MNIST(
self.root, self.train, self.transform, None, self.download
)
second...
def getitem(self, index):
img, targets = self.data[index], self.targets[index]
if self.transform is not None:
img = self.transform(img)
return img, targets
from fedntd.
When I set the dataset mint, it has error
Traceback (most recent call last):
File "/home/bhc/Desktop/back_up/FedLearn/main.py", line 155, in
main(opt)
File "/home/bhc/Desktop/back_up/FedLearn/main.py", line 100, in main
server.run()
File "/home/bhc/Desktop/back_up/FedLearn/algorithms/BaseServer.py", line 53, in run
test_acc = evaluate_model(
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torch/autograd/grad_mode.py", line 27, in decorate_context
return func(*args, **kwargs)
File "/home/bhc/Desktop/back_up/FedLearn/algorithms/measures.py", line 18, in evaluate_model
for data, targets in dataloader:
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torch/utils/data/dataloader.py", line 681, in next
data = self._next_data()
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torch/utils/data/dataloader.py", line 1376, in _next_data
return self._process_data(data)
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torch/utils/data/dataloader.py", line 1402, in _process_data
data.reraise()
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torch/_utils.py", line 461, in reraise
raise exception
TypeError: Caught TypeError in DataLoader worker process 0.
Original Traceback (most recent call last):
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torch/utils/data/_utils/worker.py", line 302, in _worker_loop
data = fetcher.fetch(index)
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torch/utils/data/_utils/fetch.py", line 49, in fetch
data = [self.dataset[idx] for idx in possibly_batched_index]
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torch/utils/data/_utils/fetch.py", line 49, in
data = [self.dataset[idx] for idx in possibly_batched_index]
File "/home/bhc/Desktop/back_up/FedLearn/train_tools/preprocessing/mnist/datasets.py", line 35, in getitem
img = self.transform(img)
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torchvision/transforms/transforms.py", line 94, in call
img = t(img)
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torchvision/transforms/transforms.py", line 134, in call
return F.to_tensor(pic)
File "/home/bhc/anaconda3/envs/bhc/lib/python3.9/site-packages/torchvision/transforms/functional.py", line 138, in to_tensor
raise TypeError(f"pic should be PIL Image or ndarray. Got {type(pic)}")
TypeError: pic should be PIL Image or ndarray. Got <class 'torch.Tensor'>
from fedntd.
为什么这个代码在运行时,会运行这么久呀,我把wandb那些都注释了,本地5轮,用的gpu跑还是好慢呀
from fedntd.
Sorry for the late reply. I missed testing on the MNIST setting after refactoring. Thank you for letting me know.
It seems that in the mnist setting, the valid_transform should add "transforms.ToPILImage()"
Besides, it seems that I have understand my first question about "transform twice".........
When I translated, you're asking about the running time issue.
为什么这个代码在运行时,会运行这么久呀,我把wandb那些都注释了,本地5轮,用的gpu跑还是好慢呀
I guess the issue comes from CPU bottleneck, especially if the nvidia-smi
command shows you low gpu utils. As I implemented by building dataloader for each client, data loading depends on the available cpu resource.
from fedntd.
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