* Extend python einsum interface to make einsum_v2 support multi-operands and switch it to default.

* add opt_einsum dependence

* add yaml and support eager model

* fix by code review

* [Eager] Remove enable_legacy_dygraph setting

* Add more tests

* add double yaml

* add inline func

* [Dy2Stat]Fix losting pre/post hook from outermost layer while jit.save

* fix kwargs

* fix unittest

* 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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* arm_brpc compile

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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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* fix heter_server & heter_client

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* int->int64_t

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* safe map in multithread

* fix heter unitest

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* fix code_style

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* opt attr eaque perf

* opt attr select code

* fix one hot infermeta

* polish get attr impl

* fix tests failed

* add testcases

* Suppport more scenes for fused_fast_ln

* fix

* Refactor Quantization

* Refactor Dequantization

* Classy solution

* Style I

* Style II

* Style III

* Use VLOG(4) for debug info

* Style IV

* add gradient merge for DistributedFusedLamb

* use master acc gradient

* fix CI ut

* polish

* remove math_function_impl.h change

* fix test_update_loss_scaling_op.py

* try to fix XPU/NPU CI

* add gm ut

* fix PIL sample mode deprecated warning

* compatible with old pil version

* [KP] fix bug when phi kernel is *_raw

* modify the static graph

* delete useless comment

* delete the phi multiply kernel case

* add VLOG(3) message

* add VLOG(3) message

* fix static graph error in phi

* fix bug in tranform model

* modify the comment

* delete useless code

* fix CI bug

* fix CI bug

* test op_test test=allcases

* fix

* avoid copy many same file

* fix for win

* test PYTHONPATH

* change path adding way

* fix win

* use old way

* use old way test=allcase

* use old way test=allcase

* set device id of Place() to get GPUContext needed by LimitGridDim in ElemwiseGradBroadcast

* fix code style

* fix collections.Sequence in python3.10

* fix format

* added test for shuffle_channel_mkldnn_detect_pass

* added UT using new framework

* CI fix

* Fix the race condition in cumsum operator

* Optimize cumsum operator

* optimize performance of dygraph

* optimize performance of dygraph and elementwise_add

* optimize the trace op

* fix bug

* fix bug

* fix unittest bug

* fix code format

* extract sub-graph

* graph-engine merging

* fix

* fix

* fix heter-ps config

* test performance

* test performance

* test performance

* test

* test

* update bfs

* change cmake

* test

* test gpu speed

* gpu_graph_engine optimization

* add dsm sample method

* add graph_neighbor_sample_v2

* Add graph_neighbor_sample_v2

* fix for loop

* add cpu sample interface

* fix kernel judgement

* add ssd layer to graph_engine

* fix allocation

* fix syntax error

* fix syntax error

* fix pscore class

* fix

* change index settings

* recover test

* recover test

* fix spelling

* recover

* fix

* move cudamemcpy after cuda stream sync

* fix linking problem

* remove comment

* add cpu test

* test

* add cpu test

* change comment

* combine feature table and graph table

* test

* test

* pybind

* test

* test

* test

* test

* pybind

* pybind

* fix cmake

* pybind

* fix

* fix

* add pybind

* add pybind

* optimize pybind

* test

* fix pybind

* fix

* pybind change

* remove file
Co-authored-by: NDesmonDay <908660116@qq.com>

* [DO NOT MERGE] test op_test

* update with more related modifications

* split op_test.py to use test=allcases for testing

* split op_test.py to use test=allcases for testing

* unify utils naming style

* polish details