* add reference of lbfgs

* add reference of lbfgs

* input.py

* Update python/paddle/nn/functional/input.py

* Update input.py

* Update all_gather.py

* Update all_gather.py

[xdoctest][task 123] Reformat example code with google style in python/paddle/quantization/quanters/abs_max.py (#56234)

[xdoctest][task 107]reformat example code with google style in python/paddle/optimizer/lamb.py test=docs_preivew (#56223)

* [AMP] add fp16 op detection for custom device

* resolve conflicts

[xdoctest][task 106] Reformat example code with google style in python/paddle/optimizer/adamw.py (#56222)

* [xdoctest][task 106]reformat example code with google style in python/paddle/optimizer/adamw.py

* fix word typo test=docs_preview

* fix word typo test=docs_preview

* fix whitespace test=docs_preview

[xdoctest][task 110] Reformat example code with google style in python/paddle/optimizer/momentum.py (#56226)

* [xdoctest][task 110] test=docs_preview

* fix whitespace test=docs_preview

[xdoctest][task 111] Reformat example code with google style in python/paddle/optimizer/rmsprop.py (#56227)

* [xdoctest][task 111] test=docs_preview

* fix whitespace test=docs_preview

[xdoctest][task 112] Reformat example code with google style in python/paddle/optimizer/sgd.py (#56228)

* temp commit

* distribute best cfg

* update metric extracting

* fix bugs of prune and reading log

* fix adding cfg bug

* reset status

* remove alarm and set logdir

* deepcopy ctx

* change alarm

* fix restart bug

* best no need alarm

* add gbs search, add gpu memory to history csv, add memory detect

* fix bug

* fix memory read bug; fix etcd connection bug

* fix memory read bug, add oom detection for all ranks

* fix read log and oom detaction, add error code for read log

* add unit test

* Update master.py

---------
Co-authored-by: Ncaozhou <caozhou@radi.ac.cn>

* weight_norm_hook

* Update weight_norm_hook.py

* Update weight_norm_hook.py

* Update python/paddle/nn/utils/weight_norm_hook.py

* Update python/paddle/nn/utils/weight_norm_hook.py

* Update python/paddle/nn/utils/weight_norm_hook.py
Co-authored-by: NNyakku Shigure <sigure.qaq@gmail.com>

---------
Co-authored-by: NNyakku Shigure <sigure.qaq@gmail.com>

* add rmsnorm residual bias add and quant

* refine python interface

* add rmsnorm unittest

* Add layernorm

* fix layernorm unittest

* refine unittest

* fix example code

* fix review comment

* [dy2static]implement tensor.cuda() in static graph

* [dy2static]implement tensor.cuda() in static graph - change the patch place

* [dy2static]implement tensor.cuda() in static graph - fix code-block in comment

* [dy2static]implement tensor.cuda() in static graph - add ut for warning branch

* remove the optimizer base and learning rate base

* fix bug

* fix bug

* perfect code

* delete __all__

[xdoctest][task 105]reformat example code with google style in python/paddle/optimizer/adamax.py (#56167)

* [xdoctest][task 105]reformat example code with google style in python/paddle/optimizer/adamax.py

* fix word typo test=docs_preview

* fix comment test=docs_preview

* [prim][newir] add basic framework for primitive

* support desctensor in new ir

* add vjp interface

* support vjp in new ir

* support vjp in new ir

* polish vjp interface

* fix stop_gradients set

* fix vjp dispatch

* add comment

* add vjp test for new ir

* add test for tanh vjp

* [prim][newir] add basic framework for primitive

* support desctensor in new ir

* support vjp in new ir

* support vjp in new ir

* polish vjp interface

* fix stop_gradients set

* fix vjp dispatch

* add comment

* add vjp test for new ir

* add test for tanh vjp

* add eager and static backend for warp lower level api

* support call_vjp pybind

* polish code and add test for vjp

* remove useless code

* polish code

* remove useless code

* support mean vjp

* add test for mean vjp and support has_vjp function

* fix call_vjp

* polish code

* add primitive ops set for backend

* add vjp test for tanh_

* fix inference CI

* fix inference ci

* modify fluid cmake

* remove useless deps

* add cmake

* fix comment

* fix test

* polish code

* modify backward stop_gradients

* modify static_backend.cc

* remove useless code

---------
Co-authored-by: Ncxxly <chenxx_id@163.com>
Co-authored-by: Nzhangbo9674 <zhangbo54@baidu.com>

repacle fluid.io.load_inference_model, fluid.io.save_inference_model in fluid with 2.0 version  (#55345)

* repacle fluid.io.load_inference_model

* replace fluid.io.save_inference_model

* fix some bug

* fix some bugs of load & save model

* fix some bug

* fix test_inference_model_io bug

* fix word2vec_inference_model bug

* fix some bug

* fix valueError bug

* fix some bug

* fix a warning error

* for debug

* for debug

* fix io error

* fix test_wordvec_book error

* remove debug print

* fix load_var bug

* for debug cinn test

* revert cinn & fix inference_pass_test in windows

* fix some bugs

* revert cinn & fix inference_pass_test in windows

* for debug vars

* for debug

* fix quant_dequant_test

* fix some path errors

* remove fluid save/load

* fix incubate-fleet save

* move some from fluid.io to static.io

* move fluid apis

* fix type error

* remove static exponential_decay

* fix some import error

* remove nn.py

* fix some error

* fix type error

* fix get var in prim

* fix stack test case

* add variable_length_memory_efficient_attention
* update variable_length_memory_efficient_attention unittest
* update variable_length_mem_eff_attn's docs and unittest
* update variable_length_mem_eff_attn's docs
* Update test_variable_length_memory_efficient_attention.py
* Update variable_length_memory_efficient_attention.cu
* fix codestyle
* fix variable_length_fmha's docs and unittest
* fix variable_length_fmha's docs

* [prim][newir] add basic framework for primitive

* support desctensor in new ir

* add vjp interface

* support vjp in new ir

* support vjp in new ir

* polish vjp interface

* fix stop_gradients set

* fix vjp dispatch

* add comment

* add vjp test for new ir

* add test for tanh vjp

* [prim][newir] add basic framework for primitive

* support desctensor in new ir

* support vjp in new ir

* support vjp in new ir

* polish vjp interface

* fix stop_gradients set

* fix vjp dispatch

* add comment

* add vjp test for new ir

* add test for tanh vjp

* add eager and static backend for warp lower level api

* support call_vjp pybind

* polish code and add test for vjp

* remove useless code

* polish code

* remove useless code

* support mean vjp

* backward origin code

* add test for mean vjp and support has_vjp function

* fix call_vjp

* polish code

* add attrs and dtype interface

* add primitive ops set for backend

* fix compile bugs

* fix some bugs

* fix windows bugs

* add vjp test for tanh_

* fix inference CI

* fix inference ci

* modify fluid cmake

* origin test of tanh and mean passed

* fix conflict

* modify stop_gradient

* modify block.ops

* modify test

* fix conflict

* reply review comments

* reply review comments

* pulish code

---------
Co-authored-by: Ncxxly <chenxx_id@163.com>
Co-authored-by: NCharles-hit <wanghao107@baidu.com>
Co-authored-by: Nzhangbo9674 <zhangbo54@baidu.com>
Co-authored-by: NYuanRisheng <yuanrisheng@baidu.com>

* refine program translator

* fix warning: not override

* fix bug

* merge new modifications

* modify by reviews

* resolve conflicts

* resolve conflicts

* fix

* fix

* fix conflicts

* pseudocode of backward

* modify test

* modify register op

* clear other code

* modify ci build bug

* reply review comments

* reply review comments

---------
Co-authored-by: Nkangguangli <kangguangli@hotmail.com>

* input.py

* Update python/paddle/nn/functional/input.py

* Update input.py

remove the AdamOptimizer、SGDOptimizer、MomentumOptimizer、ModelAverage、LookaheadOptimizer、FtrlOptimizer、DecayedAdagradOptimizer、DpsgdOptimizer in fluid and relocate the ExponentialMovingAverage、PipelineOptimizer、GradientMergeOptimizer and change optimizer base for LarsMomentumOptimizer and RecomputeOptimizer (#55970)

* change the optimizer base for SGDOptimizer

* change the optimizer base for SGDOptimizer

* replace the SGDOptimizer with SGD

* fix bug of sgd

* change the optimizer base for MomentumOptimizer

* fix the remaining tests

* remove the Momentum in fluid/optimizer.py

* fix bug

* fix bug

* fix bug

* fix bug

* Update test_resnet_cinn.py

* Update test_resnet_prim_cinn.py

* fix bug

* fix bug

* fix bug

* remove the ModelAverage in fluid

* remove the LookaheadOptimizer in fluid

* fix bug

* remove AdamOptimizer in fluid

* Update test_image_classification_fp16.py

* fix bug

* relocate the ExponentialMovingAverage in fluid

* restore the static api

* remove the FtrlOptimizer in fluid

* remove the DecayedAdagradOptimizer in fluid

* remove the DpsgdOptimizer in fluid

* fix bug

* fix codestyle

* fix bug

* fix bug

* relocate the PipelineOptimizer

* relocate the GradientMergeOptimizer

* fix bug

* fix bug

* fix bug

* fix doc

* Update __init__.py

* Update test_fleet_qat_meta_optimizer.py

* change optimizer base for LarsMomentumOptimizer

* fix bug

* fix conflict

* fix code-style

* fix sample codes

* fix bug

* fix bug

* fix cinn bug

* fix bug

* fix bug

* Update qat_optimizer.py

* Update __init__.py

* fix bug

* change optimizer base for RecomputeOptimizer

* fix bug

* fix bug

* Update test_imperative_optimizer_v2.py

Flatten function docstring case 1 displayed incorrect output