* move fft kernels to phi, done with cufft, pocketfft, mkl_cdft, hipfft
* make stft_op use fft from phi/kernels/funcs, clean code

* Add unit tests

* matmul_v2 + activation

* matmuls + elementwise_add

* matmul_v2 postops

* transform matmul to v2

* opcompat

* fix fusing matmul with multipe outs

* add shape constraints

* remove unused vars

* change pass order

* - Unit tests to be debugged

- fix

- refactor

- diagnostic

- more diagnostic

- fix

- Fix number two

- fix

- fix

- fix

- alpha added

- more fixes

- compilation fix

- removed diagnostic code

- cosmetic fixes

* lint

* add alpha constraint

* merge matmul refactor

* trigger CI

* - fix

* - another fix

* code style

* add support for matmul+elementwise_add+activation

* code style

* fix bfloat16 bugs

* change append_binary to append_sum
Co-authored-by: NJacek Czaja <jacek.czaja@intel.com>

* add rnn

* add merged_momentum *test=kunlun

* add merged_momentum *test=kunlun

* add fp16 to merged_momentum,*test=kunlun

* phi_fill_diagonal_tensor

* delete extra lines

* update

* add legacy api test

* rename sig

* phi_generate_proposals_v2

* remove old kernels

* optest add eager_check

* del lod

* update

* update

* update test_detection with_lod

* update nms_util

* remove old nms_util.h

* fix conflicts

* mv unused file

* revert backward.h

* revert lu_unpack kernel

* rm .cu file

* Update lu_unpack_kernel.cc

* format phi yaml

* convert support multi block.

* update

* Move Function classes to a sub dir

* Format code

* [XPU] fleet dist_model support xpu. test=kunlun

* [XPU] fleet dist_model support xpu. test=kunlun

* move unittest file location. test=kunlun

* c++ property deserialization

* fix for comment

* more error info

* fix exception info

* fix ci

* fix compile

* fix layer test ci

* phi_fill_diagonal

* remove old kernels

* update

* update attr args

* refix

* update

* [CustomDevice] add custom ccl 2/2

* update

* update

* update launch

* add sequence_unpad for xpu,*test=kunlun

* add sequence_unpad, *test=kunlun

* fix bug in testcase,should not be sequence_pad,*test=kunlun

* save change

* save change by YSL

* save change by YSL

* change by YSL

* test pre commit

* Revert "test pre commit"

This reverts commit eee5e116331186cc544de871b4a5174a6431f17c.

* fix code style

* fix ctest

* temp save

* save change

* change by YSL

* final change by ysl

* fix ci

* fix code style

* delete unuse code

* change by ysl

* move repeat interleave

* fix api name

* recover op registration

* fix arguments order

* fix

* fix infermeta

* fix infermeta

* fix header

* fix infermeta

* fix

* fix

* fix dtype

* log&test

* test

* remove logs

* fix

* remove logs

* combine files

* combine

* combine files

* fix cuda place

* fix_auc in instag task

* fix_auc in instag task

* fix_auc in instag task

* fix opmaker error

* optmize default value of ins_tag

* fix multiary

* fix multiary

* reback ctr_metric_bundle

* reback ctr_metric_bundle

* for ci auc_test

* code style

* code style fix

* suit paddle

* suit paddle

* update code example

* complete Auc unittest

* set asdispensable

* set optional

* compatable and code style

* fix cu

* fix cu

* for ci win

* update unittests of auc

* update code doc by reviews

* change code doc by reviews

* mv kernel

* mv infershape

* mv yaml

* update some

* maintain decoe_jpeg in old dygraph

* fix as review

* rm decode_jpeg_op.cu

* update for rocm

* mv eigvalsh op

* add cmake enforce

* transfer multiclass_nms3  to phi

* phi_matrix_nms

* remove old kernels and add optest check_eager

* reoder args

* reoder args in infermate

* update

* get back legacy dygraph

* add use_hierarchical_allreduce

* support hierarchical allreduce for more cases

* phi_edit_distance

* fix

* move renorm op

* change python api

* change op class func

* alloc data

* remove comments

* fix grad arguments

* fix python argument

* fix python argument

* change unit-test

* remove shape func registration

* recover extra-arguments

* recover shape functor

* multihead matmul add fp16

* fix windows error

* fix rocm error

* fix rocm error