GitLab

* [workflow] refactored the example check workflow

* polish code

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* [worfklow] added coverage test

* polish code

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* [gemini] polish code

* [testing] remove code

* [gemini] make more robust

* [doc] updated kernel-related optimisers' docstring

* polish doc

* [hotfix] fix gpt gemini example

* [example] add new assertions

* Fix state_dict output for ZeroDDP duplicated parameters

* Rewrite state_dict based on get_static_torch_model

* Modify get_static_torch_model to be compatible with the lower version (ZeroDDP)