Paddle 手动修改梯度

1qczuiv0  于 2022-04-21  发布在  Java
关注(0)|答案(3)|浏览(233)

请问如何修改一个model在训练过程中训练参数tensor的梯度grad?
因为要消除loss权重的影响,需要手动修改grad,但是报错can't set attribute

w1jd8yoj

w1jd8yoj1#

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ou6hu8tu

ou6hu8tu2#

@ziyaxuanyi tensor.grad只是会返回tensor的梯度,只有get_attr,没有写set_attr。如果要inplace修改Tensor,可以试试 x[:]=1

lmyy7pcs

lmyy7pcs3#

Tensor(要修改梯度的数据).grad.set_value(Tensor(要赋予的值))

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