* fix multhead matmul's instable
test=develop

* fix multihead matmul bug
test=develop

* fix converage problem
test=develop
Co-authored-by: NZhaolong Xing <nhzlx.dragon@gmail.com>

* fix conflict

* fix conflict

* fix code

cherry pick encryption api
Co-authored-by: NYanghello <915769235@qq.com>
Co-authored-by: NYanghello <yangqingyou@baidu.com>

* fix softmax_with_cross_entropy cuda kernel overflow bug, test=develop

* replace old macro & for condition, test=develop

* polish details, test=develop

* Append error op hint for GradOpMaker (#24750)

* append error op hint for grad op maker, test=develop

* add unittests for coverage, test=develop

* append try-catch to opbase run, test=develop (#24870)

* remove print statement to make code clean(#23907)
* Try to fix UT Random Fail (#24223)

 * cherry pick #22778

test=release/2.0

test=release/2.0
Co-authored-by: NJacek Czaja <jacek.czaja@intel.com>

[cherry-pick] Variable, fusion_seqexpand_concat_fc, fusion_seqconv_eltadd_relu error message enhancement, test=develop (#24066)

* cherry-pick,Optimize the error messages of paddle CUDA API

* fix the error messages of paddle CUDA API

* Refactoring PADDLE_ENFORCE_CUDA_SUCCESS, and apply to curand/cudnn/cublas/NCCL

* remove build_ex_string

cherry-pick #23645

[Cherry-pick 2.0] Error message enhancement of conv2d_fusion and bugfix related to control nodes detecttion in fusion_group (#23985)

* Op(conv2d_fusion) error message enhancement. (#23596)
* Fix the error misjudgment when there are control nodes in graph. (#23943)

* correct reader device index, test=develop

* fix async executor scope var initialization, test=release/2.0

* api compild program error polish, test=develop

* fix coverage problem, test=develop

* fix details & add unittests, test=develop

* add test for coverage, test=develop

* Add the support of bool list for assign value, test=develop
* Fix the assign op test case for bool dtype, test=develop

This PR enhances error messages of several API/OPs:

ParallelExecutor (python && C++)
Executor (python && C++)
StaticRNN (python)
IfElse (python)
cond (python)
split_lod_tensor (python && C++)

* Add three passes and api reference of paddle_pass_builder.h

* add save with prefix
* test=develop

* Op-requant squash

test=develop

* Add matmul to op-requant test

test=develop

* Involves AfsAPI to resolve slow downloading.
* Mainly used in PaddleBox

* solve the conflict of ops with the same name. test=develop

* Remove the NGraph engine from PDPD repository
1. Each operator was removed from the operator's directory
2. Each test was removed from the unittest directory
3. The parallel executor support was removed from the PDPD
4. The CMake file was removed from the PDPD
5. The NG flags were removed from the repository
test=develop

* Remove ngraph from:
1. Cmake file
2. Python file
test=develop

* polish api program error message, test=develop

* fix condition error, test=develop

* fix test prune error, test=develop

* fix coverage problem, test=develop

test=develop

* Integrate matmul with cpu_quantize_pass

test=develop

* Add matmul checking scales

test=develop

* Change condition of matmul quantization

test=develop

* Remove redundant var

test=develop

* Op (Scope) error message enhancement test=develop