* move elementwise_sub and elementwise_sub_grad XPU kernel to PHI,test=kunlun

* modify code style,test=kunlun

* modify elementwise_subtract_grad_kernel.cc,test=kunlun

* modify elementwise_subtract_kernel.cc,test=kunlun

* modify elementwise_subtract_grad_kernel.cc,test=kunlun

* modify elementwise_kernel.cc and elementwise_subtract_kernel.cc,test=kunlun

* modify codestyle,test=kunlun

* modify elementwise_kernel.cc,test=kunlun

* [OpAttr]ksize of pool2d support Tensor type

* fix unittest

* add unittest

* gaussian random

* mkldnn to onednn renaming

* fix merge conflicts

* remove fluid code

* onednn renaming

* change header path

* change fluid import to phi

* [ONXX]Remove cond_var from Input(X) in while_loop op

* fix unittest

* update op change approve list, test=document_fix

* update recommend member, test=document_fix

* add weibo into approve list, test=document_fix

* vit_384_opt

* just support trt8

* padding + unpadding

* fix:unit test

* refactor:padding

* fix: change the position of round_up

* refactor: delete workspace

* add serialization funcs in phi

* migrate serialization utils

* update op change approve list, test=document_fix

* update recommend member, test=document_fix

* set use_cudnn=true for conv2d

* refine the config rule of api_compat

* remove extra attr of abs in opmaker

* remove extra attrs of some op in opmaker

* remove is_test of conv

* fix attr getting of interpretercore

* fix inplace_abn

* fix bug

* fix bug of create_op

* refine code format

* 1. make list transformer into jit form.
2. fix some bugs in tensor_array, such as append.
3. enhance the function analysis visitor to recognize push/pop.
4. add setter/getter helper to deal with 2+ name sets.

* fix ci errors:
1. add to_tensor_array logic in convert_cond
2. fix IfExpr error.
3. fix erros while return_names or push_pop_names is None
4. fix slice error in a[i]=1 where a is tensor_array
5. add pop interface in Variable

* [Eager] fix spectral_norm interface under eager mode

* fix spectral_norm yaml config

* move stack op to phi, *test=kunlun

* move stack op to phi, *test=kunlun

* move stack op to phi, *test=kunlun

* move stack op to phi, *test=kunlun

* move stack op to phi, *test=kunlun

* move stack to phi,*test=kunlun

* [Eager] fix max_pool3d_with_index interface under different mode

* fix mistake

* Add tests under legacy and supplement comments

* bugfix (#45332)

* customize wait_comm

* add dist cuda kernel

* reuse some funcs in phi

* 使用pnorm

* fix code style - explicit

* fix code sytle

* fix bug

* remove unused headers

* add batch norm xpu kernel

* add batch_orm_grad xpu kernel, test=kunlun

* fix lost changing error, test=kunlun

* remove batch norm op xpu, test=kunlun

* fix dtype error, test=kunlun

* fix const deduce error, test=kunlun

* [XPU]Migrate Adam XPU kernel into Phi

* test=kunlun