[checkpointio] sharded optimizers checkpointing feature adapted for DDP plugin

[Fridge003]

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#3986

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Adapted the newly developed feature: sharded optimizers checkpointing to TorchDDPPlugin.
Tidied up arguments passing in several booster IO methods.

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• I have added thorough tests.
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[github-actions]

The code coverage for the changed files is 87%.

Click me to view the complete report

Name                                                       Stmts   Miss  Cover
------------------------------------------------------------------------------
colossalai/booster/booster.py                                 64     10    84%
colossalai/booster/plugin/gemini_plugin.py                   110      9    92%
colossalai/booster/plugin/torch_ddp_plugin.py                 66      5    92%
colossalai/booster/plugin/torch_fsdp_plugin.py                97     13    87%
colossalai/checkpoint_io/checkpoint_io_base.py                66      9    86%
colossalai/checkpoint_io/general_checkpoint_io.py            102      8    92%
colossalai/checkpoint_io/index_file.py                        70     17    76%
colossalai/checkpoint_io/utils.py                            250     43    83%
colossalai/zero/gemini/gemini_ddp.py                         402     67    83%
tests/test_checkpoint_io/test_general_checkpoint_io.py       108      0   100%
tests/test_checkpoint_io/test_torch_ddp_checkpoint_io.py      55      0   100%
------------------------------------------------------------------------------
TOTAL                                                       1390    181    87%

[github-actions]

The code coverage for the changed files is 87%.

Click me to view the complete report

Name                                                                  Stmts   Miss  Cover
-----------------------------------------------------------------------------------------
colossalai/booster/booster.py                                            64     10    84%
colossalai/booster/mixed_precision/fp16_torch.py                         46      2    96%
colossalai/booster/mixed_precision/mixed_precision_base.py                9      1    89%
colossalai/booster/plugin/gemini_plugin.py                              110      9    92%
colossalai/booster/plugin/low_level_zero_plugin.py                       94      8    91%
colossalai/booster/plugin/plugin_base.py                                 40     10    75%
colossalai/booster/plugin/torch_ddp_plugin.py                            66      5    92%
colossalai/booster/plugin/torch_fsdp_plugin.py                           97     13    87%
colossalai/checkpoint_io/checkpoint_io_base.py                           66      9    86%
colossalai/checkpoint_io/general_checkpoint_io.py                       105      8    92%
colossalai/checkpoint_io/index_file.py                                   70     17    76%
colossalai/checkpoint_io/utils.py                                       243     43    82%
colossalai/zero/gemini/gemini_ddp.py                                    402     67    83%
tests/test_autochunk/test_autochunk_diffuser/test_autochunk_unet.py      36     10    72%
tests/test_checkpoint_io/test_general_checkpoint_io.py                  108      0   100%
tests/test_checkpoint_io/test_torch_ddp_checkpoint_io.py                 55      0   100%
-----------------------------------------------------------------------------------------
TOTAL                                                                  1611    212    87%

[github-actions]

The code coverage for the changed files is 84%.

Click me to view the complete report

Name                                                         Stmts   Miss  Cover
--------------------------------------------------------------------------------
colossalai/booster/booster.py                                   64     10    84%
colossalai/booster/mixed_precision/fp16_torch.py                46     24    48%
colossalai/booster/mixed_precision/mixed_precision_base.py       9      1    89%
colossalai/booster/plugin/gemini_plugin.py                     110      9    92%
colossalai/booster/plugin/low_level_zero_plugin.py              94      8    91%
colossalai/booster/plugin/plugin_base.py                        40     10    75%
colossalai/booster/plugin/torch_ddp_plugin.py                   66      5    92%
colossalai/booster/plugin/torch_fsdp_plugin.py                  97     13    87%
colossalai/checkpoint_io/checkpoint_io_base.py                  66      9    86%
colossalai/checkpoint_io/general_checkpoint_io.py              105      8    92%
colossalai/checkpoint_io/index_file.py                          70     17    76%
colossalai/checkpoint_io/utils.py                              243     43    82%
colossalai/zero/gemini/gemini_ddp.py                           402     97    76%
tests/test_checkpoint_io/test_general_checkpoint_io.py         108      0   100%
tests/test_checkpoint_io/test_torch_ddp_checkpoint_io.py        55      0   100%
--------------------------------------------------------------------------------
TOTAL                                                         1575    254    84%

[github-actions]

The code coverage for the changed files is 58%.

Click me to view the complete report

Name                                                         Stmts   Miss  Cover
--------------------------------------------------------------------------------
colossalai/booster/booster.py                                   64     10    84%
colossalai/booster/mixed_precision/fp16_torch.py                46     24    48%
colossalai/booster/mixed_precision/mixed_precision_base.py       9      1    89%
colossalai/booster/plugin/gemini_plugin.py                     110     60    45%
colossalai/booster/plugin/low_level_zero_plugin.py              94      8    91%
colossalai/booster/plugin/plugin_base.py                        40     10    75%
colossalai/booster/plugin/torch_ddp_plugin.py                   66      3    95%
colossalai/booster/plugin/torch_fsdp_plugin.py                  97     48    51%
colossalai/checkpoint_io/checkpoint_io_base.py                  66      9    86%
colossalai/checkpoint_io/general_checkpoint_io.py              105      9    91%
colossalai/checkpoint_io/index_file.py                          70     17    76%
colossalai/checkpoint_io/utils.py                              243     76    69%
colossalai/zero/gemini/gemini_ddp.py                           402    348    13%
tests/test_checkpoint_io/test_torch_ddp_checkpoint_io.py        55      0   100%
--------------------------------------------------------------------------------
TOTAL                                                         1467    623    58%