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RuntimeError: Expected all tensors to be on the same device, but found at least two devices, cuda:0 and cpu! #50
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👋 Hello @zjhleaning, thank you for your interest in YOLOv5 🚀! Please visit our ⭐️ Tutorials to get started, where you can find quickstart guides for simple tasks like Custom Data Training all the way to advanced concepts like Hyperparameter Evolution. If this is a 🐛 Bug Report, please provide screenshots and minimum viable code to reproduce your issue, otherwise we can not help you. If this is a custom training ❓ Question, please provide as much information as possible, including dataset images, training logs, screenshots, and a public link to online W&B logging if available. For business inquiries or professional support requests please visit https://ultralytics.com or email Glenn Jocher at glenn.jocher@ultralytics.com. RequirementsPython>=3.6.0 with all requirements.txt installed including PyTorch>=1.7. To get started: $ git clone https://github.com/ultralytics/yolov5
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how about check your device?it's seems that you have a gpu and a cup ,maybe your device get wrong |
I encountered the following error while reproducing your code:RuntimeError: Expected all tensors to be on the same device, but found at least two devices, cuda:0 and cpu!
The specific details are as follows:
Plotting labels...
Image sizes 640 train, 640 val
Using 8 dataloader workers
Logging results to runs/train/exp
Starting training for 300 epochs...
0%| | 0/183 [00:02<?, ?it/s]
Traceback (most recent call last):
File "/data/master21/zhujh/software/pythonProject/quantized-yolov5-quantized_yolo/train.py", line 653, in
main(opt)
File "/data/master21/zhujh/software/pythonProject/quantized-yolov5-quantized_yolo/train.py", line 545, in main
train(opt.hyp, opt, device, callbacks)
File "/data/master21/zhujh/software/pythonProject/quantized-yolov5-quantized_yolo/train.py", line 333, in train
pred = model(imgs) # forward
File "/home/zhujh/anaconda3/envs/yolov5/lib/python3.7/site-packages/torch/nn/modules/module.py", line 1194, in _call_impl
return forward_call(*input, **kwargs)
File "/data/master21/zhujh/software/pythonProject/quantized-yolov5-quantized_yolo/models/yolo.py", line 156, in forward
return self._forward_once(x, profile, visualize) # single-scale inference, train
File "/data/master21/zhujh/software/pythonProject/quantized-yolov5-quantized_yolo/models/yolo.py", line 179, in _forward_once
x = m(x) # run
File "/home/zhujh/anaconda3/envs/yolov5/lib/python3.7/site-packages/torch/nn/modules/module.py", line 1194, in _call_impl
return forward_call(*input, **kwargs)
File "/data/master21/zhujh/software/pythonProject/quantized-yolov5-quantized_yolo/models/common.py", line 150, in forward
x = self.conv(x)
File "/home/zhujh/anaconda3/envs/yolov5/lib/python3.7/site-packages/torch/nn/modules/module.py", line 1194, in _call_impl
return forward_call(*input, **kwargs)
File "/home/zhujh/anaconda3/envs/yolov5/lib/python3.7/site-packages/brevitas/nn/quant_conv.py", line 191, in forward
return self.forward_impl(input)
File "/home/zhujh/anaconda3/envs/yolov5/lib/python3.7/site-packages/brevitas/nn/quant_layer.py", line 311, in forward_impl
output_scale = output_scale * quant_input.scale.view(output_scale_shape)
RuntimeError: Expected all tensors to be on the same device, but found at least two devices, cuda:0 and cpu!
Process finished with exit code 1
May I ask if there is a good and effective solution,thanks.
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