[checkpointio] support unsharded checkpointIO for hybrid parallel#4774

Merged

Fridge003 merged 5 commits intohpcaitech:mainfrom

Fridge003:checkpoint

Sep 26, 2023

Commits on Sep 25, 2023

support unsharded saving/loading for model
Baizhou Zhang
committed
support optimizer unsharded saving
Baizhou Zhang
committed
update doc
Baizhou Zhang
committed
support unsharded loading for optimizer
Baizhou Zhang
committed
small fix
Baizhou Zhang
committed