* integate cast_simplify into ir_simplify

* fix cast simplify testcase

[xdoctest][task 167-170] reformat example code with google style in /paddle/vision/datasets/*; test=docs_preview (#56906)

* reformat example code with google style

* udpate

* update

* add timeout for dataset download

* update cifar timeout

* update cifar timeout and fix an output

* update cifar timeout

* add a blank line

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

 [xdoctest][task 238] reformat example code with google style in `python/paddle/distributed/fleet/launch_utils.py` (#57060)

* [Doctest]fix No.238, test=docs_preview

* fix

* fix

* fix bug

* refine code

* refine code

* refine code

* refine code

* refine code

* refine code

* fix bug

* fix merge bug

* fix codestyle

* add reference of lbfgs

* add reference of lbfgs

* modify concat kernel choose

* modify ci

* rename fluid to base

* fix setup and rename paddle.fluid

* fix protobuf generated paddle.fluid

* fix some errors

* fix cmake depends

* fix some error

* try to fix cache error

* fix codestyle && some doc error

* remove build change

* fix some error

---------
Co-authored-by: NXiangGao <jeff41404@gmail.com>

[clang-tidy] NO.33,64 enable `bugprone-signed-char-misuse`,`clang-analyzer-optin.portability.UnixAPI` check (#56744)

* enable bugprone-signed-char-misuse&clang-analyzer-optin.portability.UnixAPI check

* fix bugprone-signed-char-misuse

* fix bug

* refine save numpy

* optimize GetNameById in check_gc

* remove debug code

* fix

* fix

* refine stride flag

* fix StrAttribute vjp gen bug

* add dropout to list

* fix bug

* fix bug

* fix doc typo

* fix doc typo and missing part

* complex op logsigmoid

* fix 2023-08-31

* [IR] add control flow dialect

* enable inplace in dy2st with newir

* fix bug

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

* [NewIR]Update send recv infermeta and add unittest

* rm new ir flag

* rm fluid api

* skip runing startup prog

* update flag name

* update recv_v2 yaml

* fix conflict

* unittest only for pp

* fix cmakelist

* unittest check precision

* control random

* fix cmakelist

* 8.30下午

# doctest: +REQUIRES(env:GPU)这个不清楚怎么改，还请帮忙看一下

* Update softmax_mask_fuse.py

修改了相关内容

* Update graph_reindex.py

* Update graph_sample_neighbors.py

全都测了一遍，全都是successful

* fix cases on cpu

* fix gpu cases

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

[xdoctest][task 248-249,266-267,269] reformat example code with google style in `incubate/distributed/fleet/*`,`incubate/nn/layer/*` (#56772)

* [Doctest]fix No.248-249,266-267,269, test=docs_preview

* fix style

* fix

* add env:DISTRIBUTED

* add spmd and reshard code gen

* add backward reshard code gen

* test matmul forward success

* polish test impl

* add unsafe mutable value

* polish details and add test

* fix unittest time out

* fix typo

* refactor reshard input generate impl

* resolve conflict with develop

* fix compile error

* add <with_grad_semantic> in OpInputInfo to represent whether an input of OP has grad semantics

* add support for check OP's input grad semantic by comparing fwd_op inputs and bwd_op outputs

* add pybind interface to support checking OP's inputs grad semantic in python-level

* add test

* fix bugs

* fix bugs in op_gen

* fix bugs in op_gen

* add test for multiply_op

* fix bugs in codestype

* fix bugs in codestype