GitLab

* 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>