set_state_dict not use state_dict hook #43407
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TCChenlong
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Jun 15, 2022
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Jun 21, 2022
* set_state_dict not use state_dict hook * add ut * refine doc
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sneaxiy
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Jun 27, 2022
* set_state_dict not use state_dict hook * add ut * refine doc
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PR types
Bug fixes
PR changes
APIs
Describe
修复的问题：
在 amp-o2功能开发过程中，为了支持指定网络存储数据类型的功能，添加state_dict hook功能，但是在Layer的set_state_dict是通过state_dict获取网络参数并加载的，hook接口的存在导致 set_state_dict无法加载到原本网络参数。
本pr通过增加hook控制开关，在set_state_dict中禁用hook解决该问题。
具体改动：
为Layer 的 state_dict 接口增加一个bool参数：use_hook，默认为True，set_state_dict中有调用state_dict接口，use_hook为False
用法上为用户提供了是否使用hook的控制接口，默认使用，用户无需显示声明。
api文档：pr