the necessity of "metaSGD" instead of direct "torch.nn.SGD"

[KeysaYoung]

Hi, thanks for your elegant code.
I haven't figured out the necessity of "metaSGD" instead of direct "torch.nn.SGD", either. Is it possible that you provide more detailed descriptions? Thanks a lot!

[WANGBohaO-jpg]

the same question

[YF-SA]

你好使用内置的优化器可以吗？为什么重新书写优化器？