* 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

* fix bug caused by split infershape

* revert infer_shape of split

* revert split

* 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

* move unbind to phi

* revert infer shape

* add header file

* move concat_and_split to phi

* change Vector to std::vector and provide MixVector class as a helper wrapper class

* solve the multi-gpu hang problem

* remove the duplicate template instantialize

* Copy vector to cpu

* add CopyToCPU

* xxx

* final version: fix the problem of all reduce

* remove mixvector dependence

* fix

* merge

* fix code

* fix by CI

* [Phi] Migrate unfold_op into phi

* fix im2col CPUContext template instantial

* fix unfold_op.h header include problem

* fix unittest

* fix PT->PD

* unify register macro

* rename declare macro

* fix infrt error

* 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

* Unify paddle/pten::framework::ddim into pten::ddim

* fix paddle namespace

* compile sucessfully

* fix npu src file

* fix conflict

* fix conflict

* fix tensorrt compiler error

* fix conflict

* fix conflict

* fix tesst file conflict

* fix conflict

* fix mlu file conflict

* fix mlu file conflict

* fix cinn header file conflict

* fix conflict

* fix conflict

* fix conflict

* fix conflict

* 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

* open header for custom kernel

* add core utils

* tidy core code

* tify header

* tidy include

* tidy namespace

* resolve conflit

* fix unittest and coverage

* remove platform using

* resolve conflict

* resolve conflict

* fix digamma namespace error

* fix xpu full kernel error

* fix xpu full kernel error

* polish details

* add place for lib storage

* add infermeta registry

* add infermeta registry

* add unittest

* polish details

* 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>

* Migrate Dim and DDim from paddle::framework into pten namespace

* fix paddle::framework::Array

* fix framework::Array

* rename full infer_meta

* fix merge problem

* modify sum mean args

* add GetExpectedPtenKernelArgs for redcue_op

* modify kernel args number

* modify kernel args number

* Reduce reshape kernel functions in pten

* delete notes

* fix bugs when compile

* add pten reduce kernel

* add reduce_sum kernel

* update attribute args and order

* make out dtype undefined

* fix empty input error

* merge develop branch

* rename sum as reduce function

* rename sum as reduce function

* fix reducekernelImpl args error

* add reduce cuda kernel

* modify dims type to const &

* remove unsed log

* fix reduce_all out eigen function error

* remove unused codes

* add the missing sum api define and testcase

* merge develop branch

* fix sum test axis value error

* replace pten mean kernel with reduce_mean

* revcover meam cuda to original implement

* add cast kernel

* add cast cuda kernel

* add cast kernel

* make cast kernel output dtype undefined

* get cast dtype from vardesc

* move cast to manipulation and add test case

* add castinfershape

* avoid reinitilaze variable

* InitializeVariable support datatype

* merge develop branch

* fix merge bug

* revert modify initializeVariable

* revert modify on InitializeVariable

* revert modify on InitializeVariable

* mutable support reset dtype

* enable make pten tensor from variable when def_arg.type is undefined

* fix build pten ctx start_idx error

* copy pten out tensor to variable

* merge develop branch

* fix non pten kernel cast failed

* add reset allocation place for remake tensor

* fix inplace realloc error

* add mutable on pten kernles and remove unused cast files

* rename function names

* fix output type error

* fix conflict with develop branch

* set data type to variable with pten's dtype

* fix test_cast_api type mismatch

* densorTensro mutable_data support 0 bytes value

* fix the inplace bug of reshape kernel

* fix pten.backend != variable.place when moving storage, palce mismatch bug

* fix conflict with develop branch

* Fix bug of paddle::experimental::MovesStorage

* fix ReMakePtenDenseTensor place mismatch bug

* Revert "fix ReMakePtenDenseTensor place mismatch bug"

This reverts commit 86336032f60b8a15eacd2c1ff2fa513f5d8dfd1a.

* fix ReMakePtenDenseTensor place mismatch bug

* reverts the set_lod interface, test=develop

* modify by the review options

* modify error message

* add & for const input arguments

* add reference in params

* elementwise_sub add mutable_data

* fix ResetHolderWithType check size bug

* add dependence pten_tensor to test_cast_api object

* remove unused code to pass ci coverage
Co-authored-by: NChen Weihang <chenweihang@baidu.com>
Co-authored-by: NYuanRisheng <yuanrisheng@baidu.com>
Co-authored-by: Nshixiaowei02 <39303645+Shixiaowei02@users.noreply.github.com>

* rename TensorBase interface data_type() to dtype()

* rename type to dtype of TensorMeta

* merge the code

* merge the code

* fix the problem when merge conflict

* reshape kernel refactor

* fix compile bugs when run ci

* support xpu for reshape

* fix bugs when run unittest in kunlun ci

* fix compile bugs when run kunlun

* perfect code according to suggestion

* add api and unit test for reshape

* reshape kernel refactor

* fix compile bugs when run ci

* support xpu for reshape

* fix bugs when run unittest in kunlun ci

* fix compile bugs when run kunlun

* perfect code according to suggestion