GitLab

* add checkpoint callback for chatgpt

* add save ckpt callbacks for ppo

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Co-authored-by: Fazzie-Maqianli <55798671+Fazziekey@users.noreply.github.com>

* [chatgpt] making experience support dp

* [chatgpt] update example test ci

* [chatgpt] update example test ci

* [chatgpt] update example test ci

* [chatgpt] update example test ci

* [chatgpt] update sampler

* [chatgpt] update example test ci

* [chatgpt] refactor sampler

* [chatgpt] update example test ci

* [chatgpt]fix train_rm bug with lora

* [chatgpt]support colossalai strategy to train rm

* fix pre-commit

* fix pre-commit 2

* [chatgpt]fix rm eval typo

* fix rm eval

* fix pre commit

* add support of saving ckpt in examples

* fix single-gpu save

* [chatgpt] startegy add prepare method

* [chatgpt] refactor examples

* [chatgpt] refactor strategy.prepare

* [chatgpt] support save/load checkpoint

* [chatgpt] fix unwrap actor

* [chatgpt] fix unwrap actor

* [chatgpt] ppo trainer use default generate args

* [chatgpt] example remove generation preparing fn

* [chatgpt] benchmark remove generation preparing fn

* [chatgpt] fix ci