GitLab

* add ema hook

* add ema hook resume

* add ema hook test

* fix typo

* fix according to comment

* delete logger

* fix according to comment

* fix unitest

* fix typo

* fix according to comment

* change to resume_from

* typo

* fix isort

* More robust sync buffer hook

* More robust sync buffer hook

* Reformat

* reformat

* reformat

* Add register hook from cfg

* docstring

* change according to comments

* fix: error when runner.meta is None

* tests: add unittest for epoch-based save_checkpoint

* fix: remove all module wrapper when saving checkpoint

* refactor: move position of if

* docs: add docstring

* refactor: add _save_to_state_dict from official torch

* docs: modify docstring of _save_to_state_dict

* docs: modify docstring

* feat: add unittest

* feat: add DataParallel to unittest

* fix: a bug when model has batchnorm

* docs: update docstring

* update doc formats

* update docstring

* feat: support for os.environ port for slurm training

* fix: port data type

* feat: add flawed unittest

* feat: add flawed unittest

* docs: add comments

* fix: unittest

* fix: unittest

* feat: add CosineRestartLrUpdaterHook

* style: rename period to periods

* fix: bug in period 0

* feat: rename eta_min to min_lr and add min_lr_ratio

* docs: fix docstring of restart lr updater

* refactor: use annealing_cos

* docs: add docstring to annealing_cos

* feat: cosine restart lr update hook

* refactor: modify code order for unittest

* feat: add IterBasedRunner

* fix: unittest

* feat: more unittest

* fix: expose dataloader len

* minor updates of BaseRunner

* refactor: remove CosineRestartLrUpdaterHook

* style: add docstring

* refactor: update IterTextLoggerHook: fstring and exp_name

* fix: epoch_runner unittest

* refactor: remove IterBasedTextLogger

* fix: old IterTextLoggerHook issue

* refactor: remove __len__ of IterLoader

* feat: add IterBasedRunner to init

* feat: add __len__ to IterLoader

* fix some docstrings

* refactor: use is_parallel_module

* fix: import issue

* fix: runner unittest missing logger

* fix checkpoints

* feat: add by_epoch default value to IterBaseRunner regitering loggger_hook

* refactor: remove setting by_epoch in log_config

* minor refactoring

* docs: add docstring

* fix: remove unused doc

* update the log info for saving checkpoints
Co-authored-by: Kai Chen <chenkaidev@gmail.com>

* fix the BC issue of ddp

* minor fix for the docstring

* add a BaseRunner and rename Runner to EpochBasedRunner

* fix the train/val step

* bug fix

* update unit tests

* fix unit tests

* raise an error if both batch_processor and train_step are set

* add a unit test

* Fall back to CosineLr

* Fix consineanealing with unittest

* Cover momentum hook

* Add comments to explain

* refactor unittests

* split test_video.py to two files