What does unwrapping a model do and why use this?
Hello, I’m trying to understand the code using accelerate.There is a function name is “unwrap_model” and its contains below code.accelerator.unwrap_model(model)I read document about the function, " Unwraps themodelfrom the additional layer possible added by prepare()". But I can’t even know that meaning “unwrapping” in “unwraps the model”.I reallly want to know that What does unwrapping a model do and why use it.thank you.