* [XPU] migrate mul to phi;test=kunlun

* rm fluid mul xpu op;test=kunlun

* migrate assign xpu kernel, test=kunlun

* remove assign_value xpu, test=kunlun

* support refuse forward dygraph

* modify backward api exponential__grad yaml

* remove print code

* 当反向复用前向时进行需不需要更高阶的反向判断，如果不需要调用c++ api，需要的话则调用前向动态图生成反向节点

* fix some backward bugs

* modify the generated dygraph function name

* gather gather_grad gather_nd gaussian_random xpu to phi

* fix hard_swish inf

* skip_check_grad for mkldnn op

* 'fix code style'

* fix unittest

* [OpAttr]num_rows/num_colums of eye support Tensor type

* fix attr cast with long type

* move incubate to geometric

* add paddle.geometric

* fix unittest bug

* add float16 support for segment op

* change reindex and sample neighbors flag name

* add heter graph reindex

* move sample_neighbors.py to neighbors.py

* delete khop_sampler in geometric

* delete unused code

* change sample_neighbors api input order

* fix en doc

* fix unittest

* fix unittest

* change reindex

* fix division by 0

* delete unnecessary input argument

* delete final_state

* add legacy_api.yaml

* set merged_momentum inplace only

* support inplace optional<vector<tensor>>

* add dygraph_mode api

* add merged_adam yaml

* add merged_adam python api

* change testcase of merged_adam and adam

* fix import of test_merged_adam_op

* move matmul_v2 kernel of xpu from fluid to phi, test=kunlun

* fix complie bug, test=kunlun

* fix complie bug, test=kunlun

* fix complie bug, test=kunlun

* remove fluid kernel and activate phi kernel

* fix parameter error

* transfer mkldnn part

* modify header file path

* fix compile error

* transfer special case

* fix lod setting and special case for layout setting

* add testcase and refine code

* Add omp parallel for directives

* Revert "Add omp parallel for directives"

This reverts commit f4e4f8ddb12454018d9c1e49c074af2543659de6.

* Add #pragma omp parallel for to correct file

* Add check for _OPENMP definition

* Disable omp on gpu

* Trigger CI

* Readd check for _OPENMP definition

* Change macro disabling changes on GPU

* Improve macro readability

* [OpAttr]axis of Reverse Support Tensor type

* fix coverage

* fix unittest

* [OpAttr]min/max of Uniform_rand support Tensor type

* fix typo

* fix segment fault

* fix

* transfer memcpy_d2h from fluid to phi

* refine arg check and add comment

* fix cannot fallback to phi kernel

* fix gpu_context host alloc when tensor size = 0

* add kernel for std::vector<DenseTensor> args

* fix bugs in MemcpyD2HMultiIOKernel

* remove useless header file

* polish format

* fix typo

* add testcase for cudapinned place

* refine check condition in test

* polish error message

* polish error message

* remove header in fluid  directory

* merge memcpy_h2d and memcpy_d2h into one file, change register method to simplify implementation

* fix code style check

* make full_like support double_max in dygraph

* fix bug

* sync_batch_norm_grad delete mean and variance

* optimizer conv alog speed

* code polish

* remove useless code

* fix compile error

* fix cpu compile error

* not use cudnn alog t

* add search cache max number

* polish code

* fix cache test bug

* add groups data format to conv args

* fix cache test bug

* fix cudnn_deterministic bug

* fix test switch auto tune bug

* fix test swith autotune bug;

* fix conv cache bug

* fix cache test error

* fix cache test bug

* fix windows mac compile error

* fix workspace search error

* update cudnn cache

* fix cache test bug; test=develop

* fix autotune swith test error

* polish code

* oplish code

* fix unique_kernel bugs

* fix unique kernel cu bugs

* add python final state

* fix bug

* fix bugs

* fix bug

* fix bug

* revert impl, final state mul not support selected rows

* fix softmax use cudnn error

* add softlable false unitest

* revert loss.py

* make tensor_util contains no cuda code

* refine isfinite

* revert ut

* move isfinite function to its op

* fix test

* fix compile

* std::isnan is not defined for int type on windows

* fix windows compile

* fix fp16

* fix rocm compile

* revert gradient node

* fix arm compile problem

* fix format

* fix ci error

* add legacy_api.yaml

* set merged_momentum inplace only

* support inplace optional<vector<tensor>>

* add dygraph_mode api

* optimize TensorToConstDenseTensorPtr

* 【Hackathon No.34】优化 poisson op

* [poisson] code style fix

* modify code style

* prevent from big number

* modify code style

* modify code style

* modify import

* modify import

* modify code style

* Adapt minlength attr for bincount

* while support for python container.
It is convenient to convert more dynamic graph codes into static graphs.

* cond support python container

* rename the member function of SparseTensor

* use shorter function names