* [XPU] add top_k op. test=kunlun

* [XPU] add top_k op. test=kunlun

* use PADDLE_ENFORCE_XDNN_NOT_NULL to check pointer. test=kunlun

* add more loss ops

* add authors
Co-authored-by: NZhaorui Chen <zhaoruic@graphcore.ai>
Co-authored-by: NZhaorui Chen <zhaoruic@graphcore.ai>

* fix RemoveNode in fuse_elewise_add_act_pass

* fix

* change pointer to share_ptr

* fix

* fix

* fix format

* fix

* fix graph_safe_remove_nodes

* move crop_tensor from fluid to phi

* delete fluid header files

* fix crop_tensor_op dygraph_mode bug

* modify header files, add out tensor check

* jit.save support peropty serilization

* extract set property function

* fix property test file name

* fix typing error

* fix typing error

* fix test coverage

* Remove include fluid head files in JitLayer

* Format code

* Remove const to fix ci error

* Fix param error

* Polish jit layer include and cp some headers to python/include

* Fix comment

* move average_accumulates op to phi kernel

* sync misc changes

* add authors
Co-authored-by: NZhaorui Chen <zhaoruic@graphcore.ai>

* up x

* Revert "up x"

This reverts commit f3fde458c6cc48613269a643cfe2acf689caccd3.

* add guarg for ipu
Co-authored-by: NZhaorui Chen <zhaoruic@graphcore.ai>

* fix bug of elementwise_add_grad, *test=kunlun

* fix bug, *test=kunlun

* rm pooling_t, *test=kunlun

* fix bug of ew_add_grad when inplace, *test=kunlun

* fix new dygraph record event for op

* update unit test

* Add a feed op before each input parameter var.

* Fix some issues about the unit test build_cinn_pass_test.

* back fl

* delete ssl cert

* .

* make warning

* .

* unittest paral degree

* solve unittest

* heter & multi cloud commm ready

* .

* .

* fl-ps v1.0

* .

* support N + N mode

* .

* .

* .

* .

* delete print

* .

* .

* .

* .

* fix bug

* .

* .

* fl-ps with coordinator ready

* merge dev

* update message parse only

* update fl client scheduler

* fix bug

* update multithreads sync

* fix ci errors

* update role_maker.py

* update role_maker.py

* fix ci error: windows py import error

* fix ci error: windows py import error

* fix windows ci pylib import error

* add dump fields & params

* try to fix windows import fleet error

* fix ps FLAGS error

* Set more attrs in ReplaceScaleLossGradOp

* Fix typos

* Fix CI errors

* Add UT

* transfer the svd infer into phi infermeta

* remove the svd.h

* modify svd api

* fix svd error by insert optional

* multi stream support handle lazy init.

* support eigen lazy init

* update

* fix ci problem

* Move slogdeterminant op to phi

* Add yaml and unit test for slogdeterminant

* update

* empty commit

* update

* update

* update

* fix bug of amp code_gen

* fix bug

* move inverse from fluid to phi with unitest bug

* fix bug, add eager op yaml

*test=kunlun