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* support ddp

* fix

* fix

* fix

fix

* support ddp

* fix

* fix

* fix

fix

* simplify tests

* fix

* fix

* fix

fix

fix

* fix

* [test] add custom models in model zoo

* [test] update legacy test

* [test] update model zoo

* [test] update gemini test

* [test] remove components to test

* [hotfix] fix launch

* [test] fix test gemini optim

* [shardformer] fix vit

* add test

* fix no_sync bug in low level zero plugin

* fix test

* add argument for grad accum

* add grad accum in backward hook for gemini

* finish implementation, rewrite tests

* fix test

* skip stuck model in low level zero test

* update doc

* optimize communication & fix gradient checkpoint

* modify doc

* cleaning codes

* update cpu adam fp16 case

* [kernel] support pure fp16 for cpu adam (#4896)

* [kernel] fix cpu adam kernel for pure fp16 and update tests (#4919)

* [kernel] fix cpu adam

* [test] update gemini optim test

* [gemini] support no reuse fp16 chunk

* [gemini] support no master weight for optim

* [gemini] support no master weight for gemini ddp

* [test] update gemini tests

* [test] update gemini tests

* [plugin] update gemini plugin

* [test] fix gemini checkpointio test

* [test] fix gemini checkpoint io

* [misc] update pre-commit

* [misc] run pre-commit

* [misc] remove useless configuration files

* [misc] ignore cuda for clang-format

* [legacy] remove outdated codes of pipeline (#4692)

* [legacy] remove cli of benchmark and update optim (#4690)

* [legacy] remove cli of benchmark and update optim

* [doc] fix cli doc test

* [legacy] fix engine clip grad norm

* [legacy] remove outdated colo tensor (#4694)

* [legacy] remove outdated colo tensor

* [test] fix test import

* [legacy] move outdated zero to legacy (#4696)

* [legacy] clean up utils (#4700)

* [legacy] clean up utils

* [example] update examples

* [legacy] clean up amp

* [legacy] fix amp module

* [legacy] clean up gpc (#4742)

* [legacy] clean up context

* [legacy] clean core, constants and global vars

* [legacy] refactor initialize

* [example] fix examples ci

* [example] fix examples ci

* [legacy] fix tests

* [example] fix gpt example

* [example] fix examples ci

* [devops] fix ci installation

* [example] fix examples ci

* [gemini] remove distributed-related part from colotensor (#4379)

* [gemini] remove process group dependency

* [gemini] remove tp part from colo tensor

* [gemini] patch inplace op

* [gemini] fix param op hook and update tests

* [test] remove useless tests

* [test] remove useless tests

* [misc] fix requirements

* [test] fix model zoo

* [test] fix model zoo

* [test] fix model zoo

* [test] fix model zoo

* [test] fix model zoo

* [misc] update requirements

* [gemini] refactor gemini optimizer and gemini ddp (#4398)

* [gemini] update optimizer interface

* [gemini] renaming gemini optimizer

* [gemini] refactor gemini ddp class

* [example] update gemini related example

* [example] update gemini related example

* [plugin] fix gemini plugin args

* [test] update gemini ckpt tests

* [gemini] fix checkpoint io

* [example] fix opt example requirements

* [example] fix opt example

* [example] fix opt example

* [example] fix opt example

* [gemini] add static placement policy (#4443)

* [gemini] add static placement policy

* [gemini] fix param offload

* [test] update gemini tests

* [plugin] update gemini plugin

* [plugin] update gemini plugin docstr

* [misc] fix flash attn requirement

* [test] fix gemini checkpoint io test

* [example] update resnet example result (#4457)

* [example] update bert example result (#4458)

* [doc] update gemini doc (#4468)

* [example] update gemini related examples (#4473)

* [example] update gpt example

* [example] update dreambooth example

* [example] update vit

* [example] update opt

* [example] update palm

* [example] update vit and opt benchmark

* [hotfix] fix bert in model zoo (#4480)

* [hotfix] fix bert in model zoo

* [test] remove chatglm gemini test

* [test] remove sam gemini test

* [test] remove vit gemini test

* [hotfix] fix opt tutorial example (#4497)

* [hotfix] fix opt tutorial example

* [hotfix] fix opt tutorial example

* [bf16] add bf16 support for fused adam (#3844)

* [bf16] fused adam kernel support bf16

* [test] update fused adam kernel test

* [test] update fused adam test

* [bf16] cpu adam and hybrid adam optimizers support bf16 (#3860)

* [bf16] implement mixed precision mixin and add bf16 support for low level zero (#3869)

* [bf16] add mixed precision mixin

* [bf16] low level zero optim support bf16

* [text] update low level zero test

* [text] fix low level zero grad acc test

* [bf16] add bf16 support for gemini (#3872)

* [bf16] gemini support bf16

* [test] update gemini bf16 test

* [doc] update gemini docstring

* [bf16] add bf16 support for plugins (#3877)

* [bf16] add bf16 support for legacy zero (#3879)

* [zero] init context support bf16

* [zero] legacy zero support bf16

* [test] add zero bf16 test

* [doc] add bf16 related docstring for legacy zero

* fix spelling error with examples/comminity/

* fix spelling error with tests/

* fix some spelling error with tests/ colossalai/ etc.

* fix spelling error with tests/ etc. date:2023.5.10

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin add shard checkpoint save/load

* gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

* [API Refactoring]gemini plugin support shard checkpoint

---------
Co-authored-by: luchen <luchen@luchendeMBP.lan>
Co-authored-by: luchen <luchen@luchendeMacBook-Pro.local>

* [gemini] support don't scatter after inference

* [chat] update colossalai strategy

* [chat] fix opt benchmark

* [chat] update opt benchmark

* [gemini] optimize inference

* [test] add gemini inference test

* [chat] fix unit test ci

* [chat] fix ci

* [chat] fix ci

* [chat] skip checkpoint test

* [gemini] support state dict shard

* [gemini] add test state dict shard

* [gemini] polish docstr

* [gemini] fix merge

* [gemini] polish code

* [test] added spawn decorator

* polish code

* polish code

* polish code

* polish code

* polish code

* polish code