This reverts commit 8b1839be.

* “update”

* update

* update

* update

* update

* test

* update

* update_c++17

* update_c++17

* fix windows bug

* solve cirle depend

* solve cirle depend

* solve cirle depend

* solve cirle depend

* solve cirle depend

* fix windows bug

* fix compiler error

* fix compiler error

* update eigen3

* update eigen3

* update eigen3

* fix mac-py3 compiler error

* update C++17

* fix mac compiler error

* fix compile error

* fix coverage_compiler error

* fix coverage_ci_problem

* fix coverage_error

* fix_kunlun200 compile error

* fix kunlun200 compiler error

* fix compile error

* fix compiler error

* fix py3 failed test

* fix kunlun200 compiler error

* test

* fix test error

* fix test error

* fix test error

* test

* test

* fix mac py3 error

* fix mac py3 error

* fix mac py3 error

* fix test error

* fix test error

* fix compile error

* fix compile error

* fix compile error

* test

* test

* fix compiler error

* test

* test

* debug on ci

* fix compiler error

* fix compiler error

* test

* fix cinn compiler error

* test

* fix rocm cmpile error

* fix cinn and kunlun compile error

* update c++14

* Update flags.cmake

* create phi so

* fix ci bugs

* fix py3 bugs

* add file

* fix py3 bugs

* fix windows bugs

* perfect so

* fix py3 bugs

* delete all static target in phi

* fix windows bugs

* fix py3 bugs

* fix ci bugs

* fix windows bugs

* fix bugs: gflags can't be linked by dynamic and static lib

* fix bugs that can not load 3rd party

* fix ci bugs

* fix compile bugs

* fix py3 bugs

* fix conflict

* fix xpu bugs

* fix mac compile bugs

* fix psgpu bugs

* fix inference failed

* deal with conflict

* fix LIBRARY_PATH bug

* fix windows bugs

* fix onednn error

* fix windows compile bugs

* fix windows compile bugs

* fix test_cuda_graph_static_mode_error aborted

* fix windows bugs

* fix mac-python3 error

* fix hip compile bugs

* change mode to static

* change to static mode

* fix ci bugs

* fix py3 bugs

* fix windows bugs

* fix bugs

* add static flag

* add PADDLE_API

* change position of PADDLE_API

* fix windows bugs

* change mode to dynamic lib

* fix windows static bugs

* deal with conflict

* fix windows unit bug

* fix coverage

* deal with conflict

* fix windows-inference

* fix py3 bugs

* fix bugs when compile type_info

* fix compile bugs

* fix py3 bugs

* fix windows bugs

* fix windows openblas

* fix xpu bugs

* fix enforce_test in windows

* update code according comment

* fix windows cmake bug

* fix windows bugs

* fix windows bugs

* delete cinn unittest

* fix cinn bugs

---------
Co-authored-by: lzydev <1528794076@qq.com>

* Use StandaloneExecutor in FleetExecutor

* Update FLAGS

* Fix CI errors

* Update code

* Add force_root_scope_vars config

* Update code

* Fix CI errors

* Fix test_layer_new errors

* fix feature_value.h and feature_value.cu to support pslib

* code style

* align DistPsArch pre-stable branch
---------
Co-authored-by: NSławomir Siwek <slawomir.siwek@intel.com>
Co-authored-by: NTomasz Socha <tomasz.socha@intel.com>
Co-authored-by: Nheliqi <1101791222@qq.com>
Co-authored-by: Nzqw_1997 <118182234+zhengqiwen1997@users.noreply.github.com>
Co-authored-by: Njameszhang <zhangxiaoci@baidu.com>
Co-authored-by: Nxiaoguoguo626807 <100397923+xiaoguoguo626807@users.noreply.github.com>
Co-authored-by: NFeiyu Chan <chenfeiyu@baidu.com>
Co-authored-by: NGGBond8488 <33050871+GGBond8488@users.noreply.github.com>
Co-authored-by: Nsprouteer <89541335+sprouteer@users.noreply.github.com>
Co-authored-by: Njakpiase <jakpia21@gmail.com>
Co-authored-by: NJiabin Yang <360788950@qq.com>
Co-authored-by: Nlimingshu <61349199+JamesLim-sy@users.noreply.github.com>
Co-authored-by: Nzhangbopd <1299246947@qq.com>
Co-authored-by: N张春乔 <83450930+Liyulingyue@users.noreply.github.com>
Co-authored-by: NLiYuRio <63526175+LiYuRio@users.noreply.github.com>
Co-authored-by: N姜永久 <34344716+yjjiang11@users.noreply.github.com>
Co-authored-by: NYuang Liu <liuyuang@baidu.com>
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Co-authored-by: Nronnywang <ronny1996@163.com>
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Co-authored-by: Nzhangbo9674 <82555433+zhangbo9674@users.noreply.github.com>
Co-authored-by: Ngem5 <117625383+linsheng011@users.noreply.github.com>
Co-authored-by: Nwanghuancoder <wanghuan29@baidu.com>
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Co-authored-by: NRuibiao Chen <chenruibiao@baidu.com>
Co-authored-by: Nengineer1109 <jialiang.wang@xdxct.com>
Co-authored-by: NRedContritio <RedContritio@qq.com>
Co-authored-by: Nmjxs <52824616+kk-2000@users.noreply.github.com>
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Co-authored-by: N张正海 <65210872+ccsuzzh@users.noreply.github.com>
Co-authored-by: NHongyuJia <jiahongyu@baidu.com>
Co-authored-by: Npangyoki <pangyoki@126.com>
Co-authored-by: NLoneRanger <836253168@qq.com>
Co-authored-by: NTeFeng Chen <ctfeng66@163.com>
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Co-authored-by: Nxiaoting <31891223+tink2123@users.noreply.github.com>
Co-authored-by: N201716010711 <87008376+201716010711@users.noreply.github.com>
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Co-authored-by: NYuanle Liu <yuanlehome@163.com>
Co-authored-by: ZZK <359521840@qq.com>
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Co-authored-by: NRoc <30228238+sljlp@users.noreply.github.com>
Co-authored-by: NPuQing <me@puqing.work>
Co-authored-by: NZhang Jun <ewalker@live.cn>
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Co-authored-by: Nniuliling123 <51102941+niuliling123@users.noreply.github.com>
Co-authored-by: Nwenbin <wang3323032@qq.com>
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Co-authored-by: NAurelius84 <zhangliujie@baidu.com>
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Co-authored-by: NYUNSHEN XIE <1084314248@qq.com>
Co-authored-by: NZhong Hui <zhonghui.net@gmail.com>
Co-authored-by: Nrisemeup1 <62429225+risemeup1@users.noreply.github.com>
Co-authored-by: Nliuruyan <44316842+liuruyan@users.noreply.github.com>
Co-authored-by: NLeo Chen <chenqiuliang@baidu.com>
Co-authored-by: NYuanRisheng <yuanrisheng@baidu.com>
Co-authored-by: Nwuhuachaocoding <77733235+wuhuachaocoding@users.noreply.github.com>
Co-authored-by: NCcc <52520497+juncaipeng@users.noreply.github.com>

* back fl

* delete ssl cert

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* make warning

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* unittest paral degree

* solve unittest

* heter & multi cloud commm ready

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* only output is ok

* base is ok

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* add switch server bin

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* adapt brpc ssl

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