* [legacy] move communication to legacy (#4640)
* [legacy] refactor logger and clean up legacy codes (#4654)
* [legacy] make logger independent to gpc
* [legacy] make optim independent to registry
* [legacy] move test engine to legacy
* [legacy] move nn to legacy (#4656)
* [legacy] move nn to legacy
* [checkpointio] fix save hf config
* [test] remove useledd rpc pp test
* [legacy] fix nn init
* [example] skip tutorial hybriad parallel example
* [devops] test doc check
* [devops] test doc check
* add APIs
* implement save_sharded_model
* add test for hybrid checkpointio
* implement naive loading for sharded model
* implement efficient sharded model loading
* open a new file for hybrid checkpoint_io
* small fix
* fix circular importing
* fix docstring
* arrange arguments and apis
* small fix
* sharded optimizer checkpoint for gemini plugin
* modify test to reduce testing time
* update doc
* fix bug when keep_gatherd is true under GeminiPlugin
* [plugin] torch ddp plugin add save sharded model
* [test] fix torch ddp ckpt io test
* [test] fix torch ddp ckpt io test
* [test] fix low level zero plugin test
* [test] fix low level zero plugin test
* [test] add debug info
* [test] add debug info
* [test] add debug info
* [test] add debug info
* [test] add debug info
* [test] fix low level zero plugin test
* [test] fix low level zero plugin test
* [test] remove debug info
* Fixed several spelling errors under colossalai
* Fix the spelling error in colossalai and docs directory
* Cautious Changed the spelling error under the example folder
* Update runtime_preparation_pass.py
revert autograft to autograd
* Update search_chunk.py
utile to until
* Update check_installation.py
change misteach to mismatch in line 91
* Update 1D_tensor_parallel.md
revert to perceptron
* Update 2D_tensor_parallel.md
revert to perceptron in line 73
* Update 2p5D_tensor_parallel.md
revert to perceptron in line 71
* Update 3D_tensor_parallel.md
revert to perceptron in line 80
* Update README.md
revert to resnet in line 42
* Update reorder_graph.py
revert to indice in line 7
* Update p2p.py
revert to megatron in line 94
* Update initialize.py
revert to torchrun in line 198
* Update routers.py
change to detailed in line 63
* Update routers.py
change to detailed in line 146
* Update README.md
revert random number in line 402
* [checkpoint] support huggingface style sharded checkpoint, to be compatible with hf file naming format
* [checkpoint] support huggingface style sharded checkpoint, to be compatible with hf file naming format
* [checkpoint] Shard saved checkpoint add 'variant' field to customize filename
* [checkpoint] Shard saved checkpoint add 'variant' field to customize filename
* [checkpoint] Shard saved checkpoint add 'variant' field to customize filename
* [checkpoint] Shard saved checkpoint add 'variant' field to customize filename
---------
Co-authored-by: luchen <luchen@luchendeMacBook-Pro.local>
Co-authored-by: luchen <luchen@luchendeMBP.lan>
Hongxin Liu