[checkpointio] Sharded Optimizer Checkpoint for Gemini Plugin#4196

Merged

ver217 merged 3 commits intohpcaitech:feature/gemini-checkpointfrom

Fridge003:feature/optimizer-checkpoint

Jul 13, 2023

Commits on Jul 11, 2023

* sharded optimizer checkpoint for gemini plugin
Baizhou Zhang
committed
* modify test to reduce testing time
Baizhou Zhang
committed
* update doc
Baizhou Zhang
committed