* [CodeStyle][E262][E265] make comments start with `# `

* flake8 config

* [CodeStyle][E711] use `is`/`is not` for comparison with `None`

* `self.assertTrue($A is None)` -> `self.assertIsNone($A)`

* `self.assertTrue($A is not None)` -> `self.assertIsNotNone($A)`

* `self.assertFalse($A is None)` -> `self.assertIsNotNone($A)`

* `self.assertEqual($A, None)` -> `self.assertIsNone($A)`

* `self.assertNotEqual($A, None)` -> `self.assertIsNotNone($A)`

* [CodeStyle][E712] use `if cond`/`if cond is True` for comparison with `True`

* revert changes in fluid

* revert unrelated file

* revert changes in norm

* revert changes in auto_parallel_amp

* fix norm and auto_parallel_amp

* revert a typo fix due to fixed at #47477

* update config

* re-blacken python code

* temporarily disable date and diff_py_file

* skip a format

* [CodeStyle][F401] remove unused import in python/paddle/distributed

* remove pass

* empty commit

* Fix ValueError: list.remove(x): x not in list for meta_optimizer_names.

Fix ValueError: list.remove(x): x not in list for meta_optimizer_names.

* Fix split import.

Fix split import.

* add noqa after meta_optimizers in factory

* restort collective ops

* expand `import *`

* add noqa after required imports

* try to fix APIs without core.ops

* Revert "try to fix APIs without core.ops"

This reverts commit 6172beaf601e84bf61f2490c12c4739f0edaa5eb.

* fix an increment

* empty commit

* add noqa after required imports

* expand `import *`, fix ci error
Co-authored-by: NShuangchi He <34329208+Yulv-git@users.noreply.github.com>

* Update README.md

* Update README.md

* Fix E713: convert 'not ... in' to 'not in'

* [CustomDevice] add custom ccl 2/2

* update

* update

* update launch

* back fl

* delete ssl cert

* .

* make warning

* .

* unittest paral degree

* solve unittest

* heter & multi cloud commm ready

* .

* .

* fl-ps v1.0

* .

* support N + N mode

* .

* .

* .

* .

* delete print

* .

* .

* .

* .

* fix bug

* .

* .

* fl-ps with coordinator ready

* merge dev

* update message parse only

* update fl client scheduler

* fix bug

* update multithreads sync

* fix ci errors

* update role_maker.py

* update role_maker.py

* fix ci error: windows py import error

* fix ci error: windows py import error

* fix windows ci pylib import error

* add dump fields & params

* try to fix windows import fleet error

* fix ps FLAGS error

* use yapf to format all python file

* yapf exclude two unittests file for they rely on writing and reading file, and format will break them

* disable diff_py_file because too many diff files cause command following failed

* [Auto Parallel]  Add the unified cluster representation

* [Auto Parallel] Add the graph class for physical mapping

* [Auto Parallel] Add the simple physical mapper

* Set the timeout of the mapper

* Merge the upstream develop unittests cmake files

* Fix a bug of the process group

* Remove mapper unittest from platforms which is not GPU

* Move the instantiation of process group after resharding

* Add the local id for devices

* Update the rank mapping format

* [Auto Parallel] Relaunch with the rank mapping file

* Remove the unnecessary json file

* Avoid entering get_device_proc_info for auto mapping

* Correct the mapper unit test

* Add some comments

* Remove the related files about mapping

* Update the unittest for auto mapping

* Remove unused rank_mapping unittest

* Improve the unittest coverage

* Improve the unittest coverage

* Improve the unittest of relaunch

* Fix the unittest problem in CI

* Improve the unittest of relaunch

* Remove unnecessary statements

* Update the unittest cmakefile

* Correct the cmakefile of auto parallel unittests

* Modify codes based on the new elastic change

* Use the GPUs exclusively in the unittest

* Correct the cmakefile

* Set the timeout of the unittest

* fix launch_utils.py. test=develop

* fix launch_utils.py. test=develop

* fix. test=develop

* fix. test=develop

* fix. test=develop

* fix. test=develop

* fix. test=develop

* [heterps]bug fix for _run_from_dataset

* fix heter_server.cc

* fix launch_utils.py

* fix heter_section_worker.cc

* fix. test=develop

* fix. test=develop

* add split_program

* make ut faster

* increase ut timeout

* make result deterministic

* add fuse_all_reduce pass

* add ut framework, update

* fix ut framework

* remove useless code

* add coverage support

* update

* fix CI

* fix some bugs and fix ci coverage

* fix conflict

* fix. test=develop

* fix. test=develop

* fix. test=develop

* fix. test=develop

* fix. test=develop

* fix ut. test=develop

* fix ut. test=develop

* fix ut. test=develop

* change username

* fix

* fix

* fix

* fix

* fix

* update

* update

* update unittests

* fix

* update

* fix

* update

* fix

* fix

* fix

* update

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update send_and_recv op. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* update. test=develop

* fix. test=develop

* fix. test=develop

* fix. test=develop

* fix. test=develop

* fix ut. test=develop

* fix unit. notest,test=coverage

* fix ut. notest, test=coverage

* update. notest,test=coverage

* fix ut. notest, test=coverage

* fix ut. notest, test=coverage

* fix. notest, test=coverage

* fix. notest, test=coverage

* fix ut. notest, test=coverage

* fix ut. notest, test=coverage

* fix ut. notest, test=coverage

* fix ut. notest, test=coverage

* add func. notest, test=coverage

* fix ut. notest, test=coverage

* fix. test=develop

* fix. test=develop

* kill process by group

* merge 31065

* Fix typo of selected_npus (#31230)

* merge 31249

* [NPU] Support npu op pow and pow grad (#31247)

* [NPU] Support npu op: (1) pow (2) pow_grad

* Support fp16

* Fix pow npu fp16 test (#31256)

* support list of list attribute for NPU (#31299)

* support list of list attribute for NPU

* fix compile problem

* fix reference

* [NPU] Support npu op: (1) slice (2) slice_grad (#31275)

* fix reading flags from env (#31329)

* merge 31347

* [NPU] Support npu op layer_norm and layer_norm_grad (#31310)

* init commit, add layer_norm npu kernel

* fix typo

* add unittest

* add unittest

* fix bug

* fix bug

* refine ut

* [NPU] add npu kernel for equal op (#31393)

* add npu kernel for equal op

* refine code

* add more ut

* update year

* [NPU] Support npu kernel for shape op  (#31427)

* add shape npu

* fix

* fix

* fix endif (#31431)

* Fix pow, use fillD instead of broadcast (#31433)

* Fix pow, refine code (#31440)

* fix cmake of cryptopp to avoid downloading every time (#31451)

* [NPU] squeeze and unsqueeze op for ascend (#31452)
Co-authored-by: Nroot <xiayanming@baidu.com>

* Support npu kernel for gather op (#31458)

* add gather npu op

* code review done

* update python new line

* precommit

* fix review

* del commit

* 【NPU】add scale op for npu (#31499)

* add scale npu

* fix

* fix

* Support TensorFormVector, TensorToVector of bool type (#31518)

* support TensorFormVector, TensorToVector of bool type

* add ut

* fix compile problem

* 【NPU】support npu kernel for fill_constant op (#31521)

* add fill_constant npu

* add fill_constant npu

* fix

* cherry-pick 31422, solve conflict

* 【NPU】Support npu kernel for matmul op (#31544)

* add matmulv2_npu

* add matmul

* add matmul

* [NPU] Support npu op elementwise_mul and elementwise_mul_grad (#31571)

* [NPU] Support npu op elementwise_max (#31574)

* 【NPU】add relu op for  npu (#31515)

* add relu npu

* fixed

* fix

* 【NPU】Suppert npu kernel for reshape2 op (#31524)

* add reshape2 npu

* add reshpe2

* [NPU] Support npu kernel for gather op fix bug (#31541)

* add gather npu op

* code review done

* update python new line

* precommit

* fix review

* del commit

* update gather_grad

* fix bug

* fix bug

* [NPU] Support npu kernel for amp_check_finite_and_unscale_npu op (#31457)

* Support npu kernel for amp_check_finite_and_unscale_npu op

* support EnforceNotMet exception

* fix exception bug

* modify python unittest

* precommit

* update c++ unittest

* fix review

* fix review

* [NPU] accuracy op (#31492)

* accuracy op

* fix license

* fix

* add test and fix bug

* [NPU] add Assign OP (#31561)

* add assign op

* add test assign npu test

* dele if def
Co-authored-by: Noyjxer <1728722986@qq.com>

* [NPU] fix npu op elementwise_mul_grad (#31592)

* 【NPU】Support npu op gelu and gelu_grad (#31530)

* Support npu op gelu and gelu_grad

* Support npu op gelu and gelu_grad

* [NPU] fix assgin cmake (#31595)

* fix gather_grad bug (#31607)

* [NPU] add range op (#31560)

* add range op

* fix codestyle; call GetSize directly
Co-authored-by: Noyjxer <1728722986@qq.com>

* 【NPU】Support npu op elementwise_div and elementwise_div_grad (#31573)

* Support npu op elementwise_div and elementwise_div_grad

* Support npu op elementwise_div and elementwise_div_grad

* Support npu op elementwise_div and elementwise_div_grad

* [NPU] Support npu op log, log_grad, sqrt, sqrt_grad, square, tanh and tanh_grad (#31600)

* [NPU] Support npu op logicalnot_op (#31534)

* [NPU] Support npu op elementwise_min (#31575)

* [NPU] Support npu op elementwise_pow (#31576)

* [NPU] Support npu op table_lookup_v2 and table_lookup_v2_grad (#31399)

* [npu] support npu kernel `table_lookup_v2`

* clean up

* +python test

* +cmake

* clean up

* remove int8 kernel
+ python unitest for fp16

* clean up

* [NPU] support npu kernel for `less_than` (#31327)

* [npu] support npu kernel for `less than`

* remove int* kernel

* cleanup

* [NPU] Support npu kernel scatter op (#31624)

* Support npu kernel scatter op

* Add more test

* [NPU] fix allocator min chunk size (#31632)

* [NPU] Support NPU kernel cast op (#31635)
Co-authored-by: Nfrankwhzhang <frankwhzhang@126.com>

* [NPU] add npu kernel for sgd (#31639)

* 【NPU】Support NPU kernel for reduce_sum op v2 (#31620)

* add reduce_sum

* fix broadcastd

* fix test

* fix

* add unsqueeze in reduce_sum

* add template

* add unittest for keep_dim

* test reduce_all
Co-authored-by: Nfrankwhzhang <frankwhzhang@126.com>

* [NPU] add npu kernel for adam (#31644)

* add npu kernel for adam

* refine code

* disable test

* modify atol

* 【NPU】Support npu kernel for mul op (#31584)

* add mul

* add test mul

* [NPU] add npu kernel for softmax_with_cross_entropy (#31656)

* init

* fix bugs

* [NPU] add npu kernel for mean Op (#31562)

* update mean op

* update mean op

* give a better test activation
Co-authored-by: Noyjxer <1728722986@qq.com>

* Revert "[NPU] add npu kernel for mean Op (#31562)" (#31665)

This reverts commit 468ac699.

* 【NPU】Add TensorCopy to NPU kernel for reduce_sum op  (#31667)

* update unittest

* add TensorCopy in npu grad kernel

* [NPU] Support npu op `expand` (#31405)

* [npu] support npu kernel  for `expand`

* [NPU] fix shape of dx in mul_grad (#31675)

* fix shape of dx

* refine code

* [NPU] add Increment op (#31563)

* add increment

* fix

* update test increment op inplace

* update increment op

* increment b = 2
Co-authored-by: Noyjxer <1728722986@qq.com>

* [NPU] add NPU add topk  (#31596)

* add topk op

* add cmake

* update topk npu op

* refactor func

* fix test not go npu TopKD bug

* NPUPlace(4) to NPUPlace(0)

* update comment
Co-authored-by: Noyjxer <1728722986@qq.com>

* [NPU] Support NPU kernel sum op (#31671)

* [NPU] npu support `transpose` (#31486)

* cherry-pick 31564, solve conflict

* [NPU] Fix bug: Fix calculation errors of pow grad npu kernel (#31699)

* [NPU] Support testing grad of NPU ops in OpTest (#31697)

* [NPU] Support NPU kernel of stack op (#31711)

* [NPU] Remove redundant ctest of top_k_op_npu_test (#31718)

* [NPU] fix reshape npu op kernel (#31726)

* rename npu op file

* fix reshape

* [NPU] change transpose to transpose2 (#31734)

* change transpose to transpose2

* fix bug

* [NPU] Support  mean npu kernel (#31729)

* [NPU] fix some bugs of npu op (#31739)

* fix softmax

* fix mean

* fix lookup_table_v2

* 【NPU】Fix npu kernel elementwise_div_grad  (#31753)

* [NPU] fix the grad kernel diff bug of gather op (#31757)

* fix gather grad kernel diff

* fix gather grad kernel diff

* fix gather review bug

* 【NPU】Fix reshape test & add grad test (#31776)

* fix

* fix

* [NPU] support fp16 for npu accuracy op (#31797)

* [NPU] support list of tensor input (#31801)

* support list of tensor as npu input

* add comment

* fix typo

* fix typo

* [NPU] add npu kernel for concat op (#31695)

* add npu kernel for concat op

* add npu kernel for concat op

* refine code

* update

* refine concat_grad

* [NPU] Support npu kernel for op elementwise_floordiv (#31822)

* [NPU] fix bug of lookup_table_v2_grad (#31834)

* [NPU] support default stream (#31510)

* [NPU] support mixed precision input for npu layer norm (#31847)

* support mixed precision input for npu layer norm

* fix layer_norm npu kernel
Co-authored-by: Nzhiqiu <chenqiuliang@baidu.com>

* 【NPU】Support npu kernel for update_loss_scaling op (#31830)

* add update_loss_scaling_npu NPU kernel

* change TensorFromVec to Memset

* fix compile problem (#31850)

* [NPU] support npu for conditional_block op (#31854)

* 【NPU】Add int dtype kernel for reshape2 op (#31864)

* fix

* fix

* [NPU] fix some op bugs (#31855)

* fix some op bugs

* fix some bugs

* follow comments

* fix log level

* add ut

* [NPU] support fp16 of input for api pow (#31871)

* [NPU] add npu kernel for truncated_gaussian_random op (#31654)

* init

* add todo

* add npu kernel for truncated_gaussian_random

* add sync

* fix concat_grad

* fix typo

* fix compile

* fix compile

* fix compile

* fix compile

* fix compile

* fix compile

* fix code style

* fix code style

* fix code

* Fix op test (#32231)

* fix conditional block (#32243)

* fix style code
Co-authored-by: Nxiayanming <41795079@qq.com>
Co-authored-by: NLeo Chen <chenqiuliang@baidu.com>
Co-authored-by: Nliym27 <33742067+liym27@users.noreply.github.com>
Co-authored-by: NReventon_L <luyuxiang1994@qq.com>
Co-authored-by: Nroot <xiayanming@baidu.com>
Co-authored-by: Noyjxer <1728722986@qq.com>
Co-authored-by: Nyinhaofeng <66763551+yinhaofeng@users.noreply.github.com>
Co-authored-by: NOleNet <olenet@126.com>
Co-authored-by: NMeiyim <chen_xuyi@outlook.com>
Co-authored-by: Noyxuan-11 <963650125@qq.com>
Co-authored-by: Npangyoki <pangyoki@126.com>

* [feature] support npu allocator (#30840)

[feature] support npu allocator

* [feature] support npu operator (#30951)

[feature] support npu operator

* [feature] support npu allocator, part 2 (#30972)

* support npu allocator

* add npu device context

* fix some compile problem

* fix some compile problem

* add npu info

* compile ok

* fix include dir

* support naive_best_fit_allocator

* run ut ok, bug failed to exit

* call aclrtResetDevice before exit

* fix aclFinilize

* add system allocatot test

* add selected_gpus in gtest

* add tensor_test for npu

* support npu op, initial commit

* add npu stream

* add elementwise_add_op

* compile ok

* fix typo

* fix elementwise_add_op_npu_test

* support op run

* test can run but failed

* change aclopExecuteV2 to aclopCompileAndExecute

* support parsing ascend rank table file (#31000)

support parsing ascend rank table file

* Fix reshape on GE graph. (#31084)

Fix reshape on GE graph

* add npu kernel for elementwise_sub and elementwise_sub_grad (#30973)

* add npu sub op

* fix typo

* rename test

* fix bug

* fix bug

* add fp16 kernel

* fix typo

* support sub grad op

* support elementwise_sub_grad op
Co-authored-by: Nfrankwhzhang <frankwhzhang@126.com>

* Fix compilation problem (#31100)

Fix compilation problem (#31100)

* fix compile

* fix code stype

* remove const_cast

* support adding correct npu op in pybind.h (#31143)

* support adding correct npu op in pybind.h

* refine code

* [NPU] Support executor with NPU (#31057)

* [NPU] Support executor with NPU

* Fix code according to reviews

* Fix code

* Add unittest for sub op npu

* refactor npu device manager (#31154)

refactor npu device manager (#31154)

* fix selected npus

* fix compile

* fix reading flags from env

* format
Co-authored-by: Nxiayanming <41795079@qq.com>
Co-authored-by: Ngongweibao <weibao.gong@gmail.com>
Co-authored-by: Nfrankwhzhang <frankwhzhang@126.com>
Co-authored-by: Nliym27 <33742067+liym27@users.noreply.github.com>

* Ascend rc (#30483)

* Fix compilcation on CANN20.1 and older (#30494)

Fix compilcation on CANN20.1 and older

* Add distribution supported (#30578)

Add distribution supported

* Build praser for Hcom* operators (#30627)

Build praser for Hcom* operators

* Pass device_ids info from launch to trainer. (#30632)

Pass device_ids info from launch to trainer

* Add Hccl program group (#30642)

Add Hccl program group

* Add startup bash files of test_ascend_group. (#30645)

Add startup bash files of test_ascend_group

* cleanup (#30646)

cleanup test_ascend_group.py

* [Feature] Build parser to support distributed training (#30658)

[Feature] Build parser to support distributed training

* fix compilation on ascend-20.1 (#30722)

fix compilation on ascend-20.1

* Dev/fix ascend string (#30749)

Dev/fix ascend string

* code style (#30781)

code style

* Merge ascend_optimizer and ascend_parser. (#30776)

Merge ascend_optimizer and ascend_parser.

* Ascendrc add converted op : [range/equal/range/uniform_random/expand/squeeze], fix cast op bug  (#30797)

Ascendrc add converted op : [range/equal/range/uniform_random/expand/squeeze], fix cast op bug

* Add paddle ascend distribution training supported (#30796)

Add paddle ascend distribution training supported

* pass cxx_flags to gloo cmake (#30857)

* Destroy session first. (#30954)

Destroy session first.

* merge

* fix, test=develop

* fix, test=develop

* fix style, test=develop

* fix, test=develop

* fix

* fix log fatal, test=develop

* fix enforce style, test=develop

* fix, test=develop

* fix, test=develop

* fix rccl, test=develop

* fix test, test=develop

* fix, test=develop

* fix, test=develop

* fix, test=develop

* fix node_num, test=develop

* fix ids str, test=develop

* fix ids str, test=develop

* fix ids str, test=develop

* fix, test=develop

* fix, test=develop

* fix, test=develop

* fix, test=develop

* fix, test=develop

* fix, test=develop

* fix, test=develop

* fix, test=develop

* fix style code, test=develop

* fix style code, test=develop

* fix style code, test=develop

* fix style code, test=develop
Co-authored-by: Nhutuxian <hutuxian2011@sina.cn>
Co-authored-by: Ngongweibao <weibao.gong@gmail.com>
Co-authored-by: NVoid Main <voidmain1313113@gmail.com>
Co-authored-by: NLeo Chen <chenqiuliang@baidu.com>
Co-authored-by: Ndingsiyu <18369187719@163.com>
Co-authored-by: NOleNet <olenet@126.com>

[Kunlun]Multi xpu dygraph performance optimization , add distributed.spawn support for multi xpu and some bug-fixes (#31130)

* update, test=develop

* fix fleetrun heter ps on paddlecloud