GitLab

* [test] remove cpu marker

* [test] remove gpu marker

* [test] update pytest markers

* [ci] update unit test ci

* fix spelling error with examples/comminity/

* fix spelling error with tests/

* fix some spelling error with tests/ colossalai/ etc.

* [test] added spawn decorator

* polish code

* polish code

* polish code

* polish code

* polish code

* polish code

* [utils] Add use_reetrant=False into colossalai checkpoint

* [utils] add some annotation in utils.activaion_checkpoint

* [test] add reset_seed at the beginning of tests in test_actiavion_checkpointing.py

* [test] modify test_activation_checkpoint.py

* [test] modify test for reentrant=False

* remove hybrid adam in test_moe_zero_optim

* fix activation checkpointing and its unitest

* Added activation offload

* Fixed the import bug, used the pytest