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训练报错：Runtime Error:element 0 of tensors does not require grad and does not have a grad_fn #333

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Drchip61 opened this issue Oct 19, 2024 · 1 comment

Drchip61 commented Oct 19, 2024

我确定输入输出都检查了，都没问题。就是训练的时候，loss.backward函数会报错，显示没有梯度，请问您碰到过类似问题吗

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Drchip61 commented Oct 19, 2024

sam1版本中，没有遇到过类似问题，sam2版本中开始遇到此问题

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