* [WIP] testvisualizationhook

* add TestNaiveVisualizationHook

* fix comment

* unpad

* batch imdenormalize

* fix comment

* fix comment

* Config support deep copy

* Fix end of line

* 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

* Support default_scope when building optimizer and evaluator.

* add docstring

* fix

* fix

* update type hint and ut for evaluator

* update doc

* fix

* support metric prefix in BaseEvaluator

* update docs

* use class attribute default_prefix

* add writer

* update

* update

* update docstr

* update unittest

* update unittest

* fix comment

* update unittest

* fix comment

* fix comment

* fix comment

* fix comment

* update

* [WIP] Visualizer

* add draw featmap

* update docstring

* update docstring

* update docstring

* fix comment

* fix comment

* fix comment

* fix comment

* fix comment

* [Fix]: Change after inter and epoch to after train iter and epoch

* [Fix]: Add new UT to param scheduler hook

* [Fix]: Change the type of runner in docstring to Runner

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* first commit

* update logging

* update MessageHub unit test and LogBuffer unitest

* update logging docs

* update logging impl and test

* update test logging

* update test

* update logging test and impl

* Fix logging test

* Update log_buffer.py

* rename statistics argumentes

* fix as comment

* Fix as comment

* Fix as comment

* Fix as comment

* Fix meta class

* Fix as comment

* Fix as comment

* Fix as comment

* Fix name declare

* Fix as comment

* Fix as comment

* Fix as comment

* Fix docstring

* Fix as comment

* Fix as comment

* [Feature] Add distributed module

* fix IS_DIST error

* all_reduce_dict does operations in-place

* support 'mean' operation

* provide local group process

* add tmpdir argument for collect_results

* add unit tests

* refactor unit tests

* simplify steps to create multiple processes

* minor fix

* describe the different of *gather* in mmengine and pytorch

* minor fix

* add unit tests for nccl

* test nccl backend in multiple gpu

* add get_default_group function to handle different torch versions

* minor fix

* [Feature] Add distributed module

* fix IS_DIST error

* all_reduce_dict does operations in-place

* support 'mean' operation

* provide local group process

* add tmpdir argument for collect_results

* add unit tests

* refactor unit tests

* simplify steps to create multiple processes

* minor fix

* describe the different of *gather* in mmengine and pytorch

* minor fix

* add unit tests for nccl

* test nccl backend in multiple gpu

* add get_default_group function to handle different torch versions

* minor fix

* minor fix

* handle torch1.5

* handle torch1.5

* minor fix

* fix typo

* refactor unit tests

* nccl does not support gather and gather_object

* fix gather

* fix collect_results_cpu

* fix collect_results and refactor unit tests

* fix collect_results unit tests

* handle torch.cat in torch1.5

* refine docstring

* refine docstring

* fix comments

* fix comments

* add runner unit tests

* update

* update

* add test custom loop and hook

* add test model wrapper

* add test setup env

* fix typo

* fix launcher

* fix typo

* test default scope

* add logger test

* fix dataloader

* add test loop

* resolve comments

* resolve comments

* [Feature]: Add Part3 of Hooks

* [Feature]: Add Hook

* [Fix]: Add docstring and type hint for base hook

* add sync buffer hook

* update typing hint and docs

* fix lint

* fix mypy

* fix lint

* use mock from unittest

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* add impl

* add test

* Fix as comment

* Fix as comment

* Fix as comment

* Fix as comment

* [Feature]: Add checkpoint hook

* [Fix]: Fix lint

* [Fix]: Delete redundant optional and give an example to our_dir

* [Feature]: Add test the last_ckpt in UT

* [Fix]: Fix docstring problem

* [Fix]: Add patch to UT

* [Feature]: Add Test case for by epoch

* [Feature]: Add Part3 of Hooks

* [Feature]: Add Hook

* [Fix]: Add docstring and type hint for base hook

* [Fix]: Add test case to not the last iter, inner_iter, epoch

* [Fix]: Add missing type hint

* [Feature]: Add Args and Returns in docstring

* [Fix]: Add missing colon

* [Fix]: Add optional to docstring

* [Fix]: Fix docstring problem

* [Fix]: Fix lint

* fix lint

* update typing and docs

* fix lint

* Update mmengine/hooks/empty_cache_hook.py

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* Update mmengine/hooks/empty_cache_hook.py

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* Update mmengine/hooks/empty_cache_hook.py

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* Update tests/test_hook/test_empty_cache_hook.py

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* fix lint

* fix comments

* remove test condition

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* [Feature]: Add optimizer hook

* [Fix]: Update docstring

* [Fix]: Add call with in UT

* [Feature]: Add param scheduler hook

* [Fix]: update docstring and add assert_call to UT

* [Feature]: Add sampler seed hook

* [Fix]: Add call with to UT

* [Feature]: Add Part3 of Hooks

* [Feature]: Add Hook

* add iter timer hook

* update test

* [Fix]: Add docstring and type hint for base hook

* fix mypy

* improve doc coverage and merge main

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* add evaluator unittest

* update composed evaluator cfg

* add building function

* resolve comments

* resolve comments

* resolve comments

* fix evaluator doc

* Fix pt1.5 unit tests.

* move to mmengine.testing

* [Feature]: Add Part3 of Hooks

* [Feature]: Add Hook

* [Fix]: Add docstring and type hint for base hook

* [Fix]: Add test case to not the last iter, inner_iter, epoch

* [Fix]: Add missing type hint

* [Feature]: Add Args and Returns in docstring

* [Fix]: Add missing colon

* [Fix]: Add optional to docstring

* [Fix]: Fix docstring problem

* [Fix]:typo

* [Fix]: Fix lint

Co-authored-by: Your <you@example.com>

* add mmddp

* update

* update code

* update unittest

* fix comment

* Mock unimplemented modules and fix unit tests

* add a comment

* [WIP] abstract-data-structure

* update docs

* update

* update BaseDataSample

* fix comment and coverage 100%

* update and add _set_field

* update

* split  into base_data_element and base_data_sample

* update

* update

* update

* fix typo

* basedataset first commit

* add base dataset

* add dataset

* add basedataset

* Fix test dataset

* Fix mypy and test

* Fix mypy and test

* remove unused code

* Update mmengine/dataset/base_dataset.py

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* Update mmengine/dataset/base_dataset.py

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* add more corner cases in unittest

* fix lint

* Fix as comment

* Fix lint

* update unitest

* Type hint Dick to dict

* rename max_refetch

* Fix as comment

* Fix typo

* Fix as comment

* BaseDataset is no more an abstrac Class, change UT and docs

* Fix as comment

* Fix as comment and refactor type error

* Add comment for full init

* Fix as comment and modify dataset_wrapper

* Fix as comment and modify dataset_wrapper

* Fix as comment

* Fix as comment

* Fix as comment

* Fix as comment

* Fix as comment

* Fix as comment

* Fix as comment

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Co-authored-by: Tao Gong <gongtao950513@gmail.com>

* add visualizer unittest

* update

* fix comment

* fix commit

* fix comment

* fix comment

* Add DefaultSampler and InfiniteSampler

* Add unit test

* Add samplers to API reference

* Update docstring

* Improve according to comments

* Rename `num_replicas` to `world_size`

* Update docstring.

* Update mmengine/data/sampler.py

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* Update mmengine/data/sampler.py

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* Fix typo in unit test

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* [Feature]: Add optimzier and constructor.

* refactor unit tests

* add optimizer doc

* add parrots wrapper

* add parrots wrapper

* solve comments

* resolve comments

* add config test

* Fix typo

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* Update tests/config/test_config.py

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* Reconstruct config test

* Fix import logic and error test

* Fix path error

* Restructuring Config

* simplify test logic

simplify test logic

* add config

* [Feature] Add Config

* fix lint

* remove test_config

* cancel change to pre-commit yaml

* solve conflict

* fix comments

* merge main

* fix lint

* update

* remove some magic docs

* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* add deprecation test

* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* Update mmengine/config/config.py

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* update

* fix mypy

* fix lint

* fix super

* improve ut coverage

* add test dump

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Co-authored-by: Mashiro <57566630+HAOCHENYE@users.noreply.github.com>
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* add config test

* Fix typo

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* Update tests/config/test_config.py

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* Reconstruct config test

* Fix import logic and error test

* Fix path error

* Restructuring Config

* simplify test logic

simplify test logic

* rename test_config file

* add test complex dump and pretty text

* adjust test sequence according to comment

adjust test sequence according to comment

* add comment and test for simple.config.py

* add config test data

* add init

* remove __pycache__

* fix as comment

* add syntax test case

* remove tmp path and modify comment

* add test for setattr

Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>

* [Feature]: Add parameter schedulers.

* update

* update

* update

* update

* add docstring to lr and momentum

* resolve comments