optimizer.state_dict()、optimizer.param_groups

1、optimizer.state_dict()

for state_key in optimizer.state_dict():
    print(state_key, ‘\t‘, optimizer.state_dict()[state_key])

2、optimizer.param_groups

for param_group in optimizer.param_groups:
    print(param_group[‘lr‘])

总结：state_dict()包括param_groups

原文：https://www.cnblogs.com/liujianing/p/13428387.html