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how can I solve the problem?????

(pytorch-mgn) [xxx@localhost reid-mgn]$ python mgn/mgn.py
cuda

Namespace(model='mgn', root='/home/xiaozhenzhen/data/reid-mgn/mgn/../Market-1501-v15.09.15', workers=28.0)

Traceback (most recent call last):
File "mgn/mgn.py", line 313, in
run()
File "mgn/mgn.py", line 257, in run
mgn = MGN(num_classes=len(train_dataset.unique_ids)).to(DEVICE)
File "mgn/mgn.py", line 115, in init
self.fc_id_2048_0 = nn.Linear(2048, num_classes)
File "/home/xiaozhenzhen/anaconda2/envs/pytorch-mgn/lib/python3.6/site-packages/torch/nn/modules/linear.py", line 46, in init
self.reset_parameters()
File "/home/xiaozhenzhen/anaconda2/envs/pytorch-mgn/lib/python3.6/site-packages/torch/nn/modules/linear.py", line 49, in reset_parameters
stdv = 1. / math.sqrt(self.weight.size(1))
RuntimeError: dimension out of range (expected to be in range of [-1, 0], but got 1)

非常感谢您的复现，让我重新认识了这篇论文。有一个问题，我在运行的过程中表示并没有mock这个文件，这个mock的文件出现在train_market1501.py文件的第6行。希望您有空的时候可以帮助我解答，我将不胜感激～～

i also try this, the result is very bad.

do you try table 5 in paper? I try, but the result of table 5 the first line only 68, far away to 87.5....

When I carried out the project I got this promblem:
Traceback (most recent call last):
File "/home/bruce/mgn/mgn/mgn.py", line 300, in
run()
File "/home/bruce/mgn/mgn/mgn.py", line 243, in run
mgn = MGN(num_classes=len(train_dataset.unique_ids)).to(DEVICE)
File "/home/bruce/.conda/envs/snowflake/lib/python3.6/site-packages/torch/nn/modules/module.py", line 393, in to
return self._apply(lambda t: t.to(device))
File "/home/bruce/.conda/envs/snowflake/lib/python3.6/site-packages/torch/nn/modules/module.py", line 176, in _apply
module._apply(fn)
File "/home/bruce/.conda/envs/snowflake/lib/python3.6/site-packages/torch/nn/modules/module.py", line 176, in _apply
module._apply(fn)
File "/home/bruce/.conda/envs/snowflake/lib/python3.6/site-packages/torch/nn/modules/module.py", line 182, in _apply
param.data = fn(param.data)
File "/home/bruce/.conda/envs/snowflake/lib/python3.6/site-packages/torch/nn/modules/module.py", line 393, in
return self._apply(lambda t: t.to(device))
TypeError: to() received an invalid combination of arguments - got (device), but expected one of:

• (torch.device device, torch.dtype dtype)
• (torch.dtype dtype)
  didn't match because some of the arguments have invalid types: (device)
• (Tensor other)
  didn't match because some of the arguments have invalid types: (device)
  What can I do to solve it?

python3.6 pytorch 1.1 ,when run mgn.py get error

Hi, I have been working on this for few weeks and unfortunately, I still can't reproduce the result with the setting presented in the paper. how about your latest progress?

Each batch should include P id, and K image per id.

I also met the issue:
RuntimeError: cuda runtime error (2) : out of memory at /pytorch/aten/src/THC/THCTensorRandom.cu:25

the details:
(pytorch-mgn) [xxx@localhost mgn]$ python mgn.py
cuda

Namespace(model='mgn', root='/home/xiaozhenzhen/data/reid-mgn/mgn/dataset/Market-1501-v15.09.15', workers=28.0)

THCudaCheck FAIL file=/pytorch/aten/src/THC/THCTensorRandom.cu line=25 error=2 : out of memory
Traceback (most recent call last):
File "mgn.py", line 314, in
run()
File "mgn.py", line 258, in run
mgn = MGN(num_classes=len(train_dataset.unique_ids)).to(DEVICE)
File "/home/xiaozhenzhen/anaconda2/envs/pytorch-mgn/lib/python3.6/site-packages/torch/nn/modules/module.py", line 393, in to
return self._apply(lambda t: t.to(device))
File "/home/xiaozhenzhen/anaconda2/envs/pytorch-mgn/lib/python3.6/site-packages/torch/nn/modules/module.py", line 176, in _apply
module._apply(fn)
File "/home/xiaozhenzhen/anaconda2/envs/pytorch-mgn/lib/python3.6/site-packages/torch/nn/modules/module.py", line 176, in _apply
module._apply(fn)
File "/home/xiaozhenzhen/anaconda2/envs/pytorch-mgn/lib/python3.6/site-packages/torch/nn/modules/module.py", line 182, in _apply
param.data = fn(param.data)
File "/home/xiaozhenzhen/anaconda2/envs/pytorch-mgn/lib/python3.6/site-packages/torch/nn/modules/module.py", line 393, in
return self._apply(lambda t: t.to(device))
File "/home/xiaozhenzhen/anaconda2/envs/pytorch-mgn/lib/python3.6/site-packages/torch/cuda/init.py", line 161, in _lazy_init
torch._C._cuda_init()
RuntimeError: cuda runtime error (2) : out of memory at /pytorch/aten/src/THC/THCTensorRandom.cu:25