add comment.

only when -DWITH_XDNN_API=ON, will those files be packed into whl
package

* support elementwise_pow bfloat16

* add only_check_prim parameters in check_grad

* modify unit test

* fix floor test

* fix sigmoid bfloat16 test

* add float16 to log log1p logsumexp

* update log

* update test_activation_op.py

* update

* update codestyle

* Update  test_activation_op codestyle

* update

* update

* up

* update codestyle

* emmm

* -

---------
Co-authored-by: Nwqgo <1552367872@qq.com>

* first commit.

* change host logic

* fix code bugs

* fix code error

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Co-authored-by: Nzhangbopd <1299246947@qq.com>

* first approach

* test finished

* cpp test deleted

* CmakeList corrected

* multi_gru_seq_fuse_pass rewritten

* dummy cout deleted

* review changes

* timeout extended

* add bf16 fp16 type support for interpolate

* add bf16 fp16 support for interpolate in phi on cpu

* Remove InterpretercoreInferShapeContext

* Fix lod errors

Fix the quotation mark format problem in PixelShuffle document

* add float16 to less_equal

* update

* update

* update codestyle

* update file name

---------
Co-authored-by: Nwqgo <1552367872@qq.com>

* [Auto Parallel] Speedup the completion process

* [Auto Parallel] Skip the property of dist_context when deepcopying

* [Auto Parallel] Remove the unnecessary print

* add float16 to greater_than

* update codestyle

---------
Co-authored-by: Nwqgo <1552367872@qq.com>

* add float16 to less_than

* Modify the function title

* update

* update

* update  solve PR-CI-Kunlun-KP-Build

* update codestyle

* add float16 to pixel_shuffle

* update

* update

* update solve PR-CI-Kunlun-R200-Test

---------
Co-authored-by: Nwqgo <1552367872@qq.com>

* implement floor_grad by primitive logic

* implement floor_grad by primitive logic

* Merge branch 'develop' into floor_grad

* move DeviceContextPool to phi

* add EmplaceExternalContextFunc

* update namespace

* update cmake

* fix bugs and create context_pool_impl.h

* replace platform::is_xxx_place

* fix bugs

* update generator

* fix bugs

* fix bugs

* fix bugs

* fix bugs

* fix bugs

* fix bugs

* fix bugs

* fix enforce usage

* Revert "fix enforce usage"

This reverts commit 5f521f08a69713cee506e64a00ec6d9fba709e27.

* fix bugs

* rm XPUDeviceContext and CustomDeviceContext

* fix bugs

* fix fix context init bug

* fix bugs after merge

* fix bugs

* fix name

* fix mutable_data

* update and fix bugs

* fix bugs

* update

* fix bugs

* fix name

* fix bugs

* merge

* fix bugs

* create context_pool in phi/backends

* create context_pool in phi/backends

* fix bugs

* fix xpu bugs

* fix rocm bugs

* fix bugs

* fix bugs

* fix bugs

* fix xpu bugs

* update

* update

* fix bugs

* fix bugs

* fix a bug which is triggered by the lack of __class__.op_type

* remove two "self.__class__.op_type = self.op_type"