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
optimizer.state_dict()、optimizer.param_groups
原文：https://www.cnblogs.com/liujianing/p/13428387.html