* [Enhance] Support non-scalar type metric value.

* Refactor support.

* Fix non-scalar tags problem during validation

* Update tag processor.

* [Refactor] Refactor fileio but without breaking bc

* handle compatibility

* fix format

* modify io functions

* fix ut

* fix ut

* rename method names

* refine

* refine docstring

* fix ut in windows

* update ut

* minor fix

* ensure client is not None when closing it

* add more examples for list_dir_or_file interface

* refine docstring

* refine deprecated info

* fix ut

* add a description for lmdb docstring

* [Refactor]: modify interface of Visualizer.add_datasample (#365)

* [Refactor] Refactor data flow: refine `data_preprocessor`. (#359)

* refine data_preprocessor

* remove unused BATCH_DATA alias

* Fix type hints

* rename move_data to cast_data

* [Refactor] Refactor data flow: collate data in `collate_fn` of `DataLoader`  (#323)

* acollate data in dataloader

* fix docstring

* refine comment

* fix as comment

* refactor default collate and psedo collate

* foramt test file

* fix docstring

* fix as comment

* rename elem to data_item

* minor fix

* fix as comment

* [Refactor] Refactor data flow: `data_batch` argument of `Evaluator.process is a `dict` (#360)

* refine evaluator and metric

* compatible with new default collate

* replace default collate with pseudo

* Handle data_batch in metric

* fix unit test

* fix unit test

* fix unit test

* minor refine

* make data_batch optional

make data_batch optional

* rename outputs to predictions

* fix ut

* rename predictions to outputs

* fix docstring

* fix docstring

* fix unit test

* make outputs and data_batch to kwargs

* fix unit test

* keep signature of metric

* fix ut

* rename pred_sample arguments to data_sample(Visualizer)

* fix loop and ut

* [refactor]: Refactor model dataflow (#398)

* [Refactor] Refactor data flow: refine `data_preprocessor`. (#359)

* refine data_preprocessor

* remove unused BATCH_DATA alias

* Fix type hints

* rename move_data to cast_data

* refactor model data flow

tmp_commt

tmp commit

* make val_cfg and test_cfg optional

* roll back runner

* pass test mmdet

* fix as comment

fix as comment

fix ci in DataPreprocessor

* fix ut

* fix ut

* fix rebase main

* [Fix]: Fix test val ddp (#462)

* [Fix] Fix docstring and type hint of data flow (#463)

* Fix docstring of data flow

* change signature of hook

* fix unit test

* resolve conflicts

* fix lint

* Rename data to structure

* adjust the way to import module

* adjust the way to import module

* rename Structure to Data Structures in docs api

* rename structure to structures

* support using some modules of mmengine without torch

* fix circleci config

* fix circleci config

* fix registry ut

* minor fix

* move init method from model/utils to model/weight_init.py

* move init method from model/utils to model/weight_init.py

* move sync_bn to model

* move functions depending on torch to dl_utils

* format import

* fix logging ut

* add weight init in model/__init__.py

* move get_config and get_model to mmengine/hub

* move log_processor.py to mmengine/runner

* fix ut

* Add TimeCounter in dl_utils/__init__.py

* Move the design of hook to design/hook.md

* add relative links in docs

* update docstring of hooks

* refine checkpointhook docs

* refine

* fix comments

* refine

* add logging.md link in hook.md

* resolve comments

* fix typo

* [Refactor]:Refactor `after_val_epoch` to make it output metric by epoch

* add an option for user to choose the way of outputing metric

* rename variable

* reformat docstring

* add type alias

* reformat code

* add test function

* add comment and test code

* add comment and test code

* [Enhance] Add RuntimeInfoHook to update runtime information.

* move lr to runtime info

* docstring

* resolve comments

* update ut and doc

* [Fix] Fix some bugs in hooks and runner.

* fix markdown

* fix latex formula

* resolve comments

* Add pyupgrade pre-commit hook

* fix ut

* remove comments

* [Enhance] Make loop related attributes to be runner's properties.

* move iter and epoch to loop

* resolve comments

* fix logger hook

* fix to record multi-level logs, log train/a/b to a/b

* fix loggerhook json path

* fix uunit test

* change runner.train_dataloader to runner.train_loop.dataloader

* clean debug code

* refie comments and docstring

* fix unit test

* [Docs] Refine registry documentation (#186)

* [Docs] Refine registry documentation

* reslove comments

* minor refinement

* Refine Visualizer docs (#177)

* Refine Visualizer docs

* update

* update

* update featmap

* update docs

* update visualizer docs

* [Refactor] Refine LoggerHook (#155)

* rename global accessible and intergration get_sintance and create_instance

* move ManagerMixin to utils

* fix as docstring and seporate get_instance to get_instance and get_current_instance

* fix lint

* fix docstring, rename and move test_global_meta

* rename LogBuffer to HistoryBuffer, rename MessageHub methods, MessageHub support resume

* refine MMLogger timestamp, update unit test

* MMLogger add logger_name arguments

* Fix docstring

* Add LogProcessor and some unit test

* update unit test

* complete LogProcessor unit test

* refine LoggerHook

* solve circle import

* change default logger_name to mmengine

* refactor eta

* Fix docstring comment and unitt test

* Fix with runner

* fix docstring

fix docstring

* fix docstring

* Add by_epoch attribute to LoggerHook and fix docstring

* Please mypy and fix comment

* remove \ in MMLogger

* Fix lint

* roll back pre-commit-hook

* Fix hook unit test

* Fix comments

* remove \t in log and add docstring

* Fix as comment

* should not accept other arguments if corresponding instance has been created

* fix logging ddp file saving

* fix logging ddp file saving

* move log processor to logging

* move log processor to logging

* remove current datalaoder

* fix docstring

* fix unit test

* add learing rate in messagehub

* Support output training/validation/testing message after iterations/epochs

* fix docstring

* Fix IterBasedRunner log string

* Fix IterBasedRunner log string

* Support parse validation loss in log processor

* [Enhancement] Add PolyParamScheduler, PolyMomentum and PolyLR (#188)

* [Enhancement] Add PolyParamScheduler, PolyMomentum and PolyLR

* min_lr -> eta_min, refined docstr

Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>
Co-authored-by: Haian Huang(深度眸) <1286304229@qq.com>
Co-authored-by: Tong Gao <gaotongxiao@gmail.com>

* rename global accessible and intergration get_sintance and create_instance

* move ManagerMixin to utils

* fix as docstring and seporate get_instance to get_instance and get_current_instance

* fix lint

* fix docstring, rename and move test_global_meta

* rename LogBuffer to HistoryBuffer, rename MessageHub methods, MessageHub support resume

* refine MMLogger timestamp, update unit test

* MMLogger add logger_name arguments

* Fix docstring

* Add LogProcessor and some unit test

* update unit test

* complete LogProcessor unit test

* refine LoggerHook

* solve circle import

* change default logger_name to mmengine

* refactor eta

* Fix docstring comment and unitt test

* Fix with runner

* fix docstring

fix docstring

* fix docstring

* Add by_epoch attribute to LoggerHook and fix docstring

* Please mypy and fix comment

* remove \ in MMLogger

* Fix lint

* roll back pre-commit-hook

* Fix hook unit test

* Fix comments

* remove \t in log and add docstring

* Fix as comment

* should not accept other arguments if corresponding instance has been created

* fix logging ddp file saving

* fix logging ddp file saving

* move log processor to logging

* move log processor to logging

* remove current datalaoder

* fix docstring

* fix unit test

* add learing rate in messagehub

* Support output training/validation/testing message after iterations/epochs

* fix docstring

* Fix IterBasedRunner log string

* Fix IterBasedRunner log string

* Support parse validation loss in log processor

* rename global accessible and intergration get_sintance and create_instance

* move ManagerMixin to utils

* fix as docstring and seporate get_instance to get_instance and get_current_instance

* fix lint

* fix docstring, rename and move test_global_meta

* rename LogBuffer to HistoryBuffer, rename MessageHub methods, MessageHub support resume

* refine MMLogger timestamp, update unit test

* MMLogger add logger_name arguments

* Fix docstring

* change default logger_name to mmengine

* Fix docstring comment and unitt test

* fix docstring

fix docstring

* fix docstring

* Fix lint

* Fix hook unit test

* Fix comments

* should not accept other arguments if corresponding instance has been created

* fix logging ddp file saving

* fix logging ddp file saving

* fix docstring

* fix unit test

* fix docstring as comment

* [WIP] add inline

* refactor vis module

* [Refactor] according review

* [Fix] fix comment

* fix some error

* Get sub visualizer be Visualizer.get_instance

* fix conflict

* fix lint

* fix unit test

* fix mypy

* fix comment

* fix lint

* update docstr

* update

* update instancedata

* remove replace __mro__ with issubclass

Co-authored-by: PJLAB\huanghaian <1286304229@qq.com>
Co-authored-by: HAOCHENYE <21724054@zju.edu.cn>

* remove LoggerHook master_only

* remogve \t in log string

* fix lint

* Fix lint

* [Refactor] Refactor data_batch type.

* fix sampler

* [Refactor] Remove cur_dataloader in runner.

* fix set_epoch

* [Enhancement] refactor base data elment

* fix comment

* fix comment

* fix pop not existing key without error

* [Refactor] Add batch_idx to hook input.

* update

* use master_only to decorator _log_train and _log_val

* fix resoloved TODO

fix resoloved TODO

fix resoloved TODO

* fix raise error typo

* ensure log item is python scalar

* Fix hook

* Fix

* Fix docs

* FIx

* Fix

* Fix as comment

* update

* Fix hook

* Fix hook

* Fix hook

* Fix itertimerhook

* Fix iter_timer_hook

* Fix

* Fix

* fix logger hook

* Fix loggerhook

* update cur_dataloader

* Fix docstring

* Fix docstring

* Fix as commet

* Fix as commet

* Fix as comment

* rename is_last_epoch, enhance and add after_val before_val .etc

* fix typo in docstring

* remove resolved TODO

* refactor docstring

* Fix hook

* Fix

* Fix docs

* FIx

* Fix

* Fix as comment

* add logger hook

* update

* update

* update test

* update

* update test

* update

* update

* update

* update

* update

* Add logger hook

* Fix pre-commit

* Fix as comment

* Fix as comment

* Fix as comment

* Fix as comment

* Fix as comment

* Fix bytes

* update

* Fix as comment

* Fix as comment

* Update runner

* Fix as comment

* Fix as comment

* Fix as comment

* Fix as comment