* Move Pool OPs to phi

* Fix CI error

* Fix conflicts

* rename softmax kernel name

* move softmax infershape

* fix failed test

* [Phi] Migrate tile_op into Phi

* fix tile_sig

* fix include headers

* fix using

* pad infershape

* fix code

* fix

* add set dtype

* [PHI] Migrate where_index op

* [PHI] Fix where_index infermate

* [Phi] set where_index out data type

* move argsort to phi

* refine files

* remove mutable_data

* fix unittest

* fix unittest

* remove infershape

* update infershape

* fix ci

* fix ci

* fix ci

* fix

* fix

* fix

* fix

* fix

* fix

* fix

* move arg min max to phi.

* move infermeta.

* fix as reviews.

* migrate eigh to phi

* optimize code

* modify code according to comment

* conflict resolution

* add reduce_max kernel

* add reduce max kernel

* update reduce max Argumentmapping

* remove reduce_max kernel

* remove reduce_max kernel

* add reduce max infermeta

* rename reduce infermeta

* support isfinite for phi

* mark v2

* fixed bugs

* fixed include bugs

* deal with comments

* decoupling selected_rows

* rm bfloat16

* fixed infermeta

* fixed code style

* rm useless code

* replace pt by pd

* move infershapes to phi

* update code format

* update code format

* Add is_empty

* fixed for CI

* fixed code style

* resolve conflict

* deal with comments

* replace pt by pd

* add digamma, abs, trunc; test=develop

* fix bug and add diagonal; test=develop

* add name coverter; test=develop

* update tracer.py; test=develop

* add test case; test=develop

* fix bugs; test=develop

* remove cholsky solve deps with svd helper

* fix shape infer bug

* unify complex type trait and fix real imag bug

* add unittest for type tratis

* modify infershape utils and rm reduce infershape

* merge develop

* fix infermete bug

* add IsForInferShape func in ArgumentMappingContext

* add reduce_mean infermeta

* modify annotation

* add default dims

* add multi input for infer_shape

* support multi output for infershape

* fix split bug

* fix bug of concat

* support vector<MetaTensor*> in infrt

* fix bug

* move size, erfinv, pixel_shuffle infershape to phi

* fix erfinv infermeta

* Move GumbelSoftmax OP to phi

* platform::errors -> phi::errors; GumbelSoftmaxGradInferMeta -> backend.h/cc

* Use axis util in kernel impl

* Remove namespace platform::errors

* Use GetCPUEngine in Device Context

* [phi]migrate increment addmm multinomial cholesky InferShapes to phi

* set_dtype and mod MultinomialFunctor

* Migrate poisson op into phi

* fix CI

* fix comment

* move unbind to phi

* revert infer shape

* add header file

* move concat_and_split to phi

* [Phi] Migrate unfold_op into phi

* fix im2col CPUContext template instantial

* fix unfold_op.h header include problem

* fix unittest

* fix PT->PD

* remove infershape and Xshape

* add xshape

* fix bugs when run ci

* fix bugs when run ci

* fix bugs when run infrt test

* pass converage

* add copy_to wrapped infermeta

* test=allcases

* test=allcases

* test=allcases

* rename pten dir to phi

* rename namespace to phi

* rename infrt pten dir to phi

* resolve conflict

* rename pten to phi in cmake

* revert all infrt change

* change needed files

* fix infrt failed

* fix inference failed

* remove manual_api

* change sig map of full and empty

* fix fill_any_like_xpu_op

* fix fill_any_like_xpu_op

* fix problem of fill_any_like_xpu_op

* fix conflict

* polish code

* add split kernel

* add split kernel signature

* fix split bug

* modify MakePtenScalarArrayFromVarList

* modify MakePtenScalarArrayFromVarList

* fix split windows register error

* add test case for split kernel

* replace raw split kernel with pten kernel

* fix makeScalar/ScalarArray bug

* remove debug log

* remove int64_t type in buildPtcontext

* update by code review

* fix split dev test failed

* change DenseTensorMeta to MetaTensor

* change split api code from auto gen to manual

* split cuda kernel support bfloat16 type

* fix conflict

* rm raw split kernel

* merge develop branch

* change to pten::errors

* fix code conflict

* generate inter_meta register

* clear cache

* just try

* add sign c++ api

* polish some code

* add data_transform in pten api

* support GetKernelTypeForVar

* fix complie problem of bfloat16

* change error namespace

* add complex type transform unittest

* fix merge conflict

* change unary infermeta

* change other infermeta

* change all infermeta format

* resolve conflit

* fix test failed

* resolve reshape conflit

* fix compile failed

* adapt auto api gen

* fix reshape failed

* fix concat failed

* resolve conflict

* infermeta context init design

* support infermeta called in fluid op

* add hasattr and attr methods

* add dygraah GetVarPtrs support

* rename arg_map_context to arg_map_utils

* add registry for arg map func

* resolve conflit

* refactor op utils design

* polish meta config

* fix details

* remove hasattr method

* resolve conflit

* revert cmake order change

* revert some change

* change init pos

* fix compile faileed

* fix typo

* fix inference failed

* fix windows ccompile failed

* polish format
Co-authored-by: NWang Huan <wanghuan29@baidu.com>

* rename full infer_meta

* fix merge problem

* modify sum mean args

* add GetExpectedPtenKernelArgs for redcue_op

* modify kernel args number

* modify kernel args number