yolov5 奇奇怪怪的错误汇总:版本兼容，模型训练，数据加载，模型加速

Posted 2023-03-02 shiter

文章大纲

• 不同小版本的网络不兼容问题
• • RuntimeError: The expanded size of the tensor (1) must match...
  • RuntimeError: torch.cat(): Sizes of tensors must match except in dimension 1. Got 24 and 23 in dimension 2 (The offending index is 1)
• 训练技巧问题
• • multi-scale
  • windows 下 yolov5 OSError: [WinError ] The paging file is too small for this operation to complete.
  • windows 下 训练时候卡住不动的问题
  • 训练过程中，box，obj，cls 变为nan&#