Move paddle/fluid/operators/math/algorithm.h to paddle/pten/kernels/funcs and rename all references to symbols in it.

* move expand to pten

* move expand_v2 to pten

* move expand_v2 to pten

* fix grad register

* fix grad register

* fix tensorcpry

* fix tensorcopy

* fix tensorcopy

* fix tensorcopy

* fix tensorcopy

* fix ci

* fix tensorcopy

* #1 migrate dist-related type()-> dtype()

* move datatype function from pten -> fluid/framework

* change type() in imperative into convert(dtype())

* modify xx_tensor->type into xx_tensor->dtype

* change the set_type interface and the caller

* modify xx_tensor.type into xx_tensor.dtype

* fix mutable_data(place, dtype())

* change caller of mutable_data in pten and distributed

* change the caller of mutable_data in fluid/framework

* change the caller of mutable_data in imperative directory

* mutable_data: inference

* update the call of mutable_data

* transfer MakePenScalarArray MakePtenScalar ResetHolderWithType

* pass the compile. the next step is remove VarType in Pten

* fix all and remove VarType from pten. success in linux. Next task is other platform

* fix conflict with develop

* fix compiled error

* Fix reset conversion

* fix conflict

* fix compiled problem

* fix typo

* Fix << in tensor_utils.cc

* fix type->dtype

* fix unittest

* fix tensor init constructor

* fix DataTypeSize for BFloat16

* fix code style

* fix npu compiled error

* fix npu

* compile npu sucessfully

* fix conflict

* fix conflict
Co-authored-by: Nxiongkun <xiongkun03@baidu.com>

* add has_attr for arg map context

* skip useless attr now

* skip attr if not exists

* fix typo

* 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

* added shape oneDNN kernel

* removed unnecessary import from test

* added skipping tests for GPU

* refactoring

* refactored shape kernel

* added tests in new framework

* removed one line

* minor change

* added newline at EOF

* added formatting

* added attributes as extra

* add transpose unbind

* add unittest

* refine transpose unittest

Co-authored-by: Nzhangna <zhangna@cambricon.com>

* move operators/math/math_function_* to pten/kernels/func
* namespace from `paddle::operators::math` to `pten::funcs`

* Optimize performance of softmax_bwd when axis!=-1

* fix

* fix

* fix

* fix

* bilinear_fw init

* optimize code

* pre-compute linear_interp input index

* move grad get expected pten kernel args

* fix reduce sum error

* fix element_sub_grad failed

* revert kernel judge change

* improve backward performance

* support different dtypes for elementwise ops

* [MLU] add mlu kernel for accuracy op

* fix license format

* fix error message

[NPU] add reduce_min

* move masked select cpu kernel

* add masked selected gpu kernel; test=develop

* fix bugs; test=develop

* bug fix; test=develop

* bug fix; test=develop

* add namespace to set mask array; test=develop

* fix bug; test=develop

* fix bugs; test=develop

* fix ddim bug; test=develop

* fix npu op bug; test=develop

* fix xpu dependecy bug; test=develop

* move kernel args to sig.cc; test=develop

* optimize conv1d forward

* add conv opt

* Optimize memory copy

* delete share data with

* set num_filters=512

* add nlc optimize

* Optimize num_filter=512 data on A100 and V100

* Fix the workspace_size size setting of filter

* add squeeze unsqueeze stack

* add unittest

* add cpu kernel

* add dropout

* add reshape

* add slice

* refien slice unittest

* refine slice unittest

* add cpu bf16 kernel

* update isnan registration

* fix compile

* Optimize performence of softmax_fwd when axis!=-1

* use functor

* support hip

* fix functor

* merge legacy to fluid

* Remove legacy code

* Remove legacy code

* Remove DataType test

* Using Tensor directly instead of using EagerTensor

* support gradient_accumulation

* make test_imperative_lod_tensor_to_selected_rows longer

* make test_imperative_lod_tensor_to_selected_rows longer

* add trace op

* bug fix

* bug fix; test=develop

* thrust bug fix; test=develop

* remove useless register; test=develop

* fix bug; test=develop

* update trace kernel; test=develop

* move kernel args to trace_sig; test=develop

* add norm cpu

* update code;

* norm bug fix

* move norm op to pten; test=develop

* move norm op to pten; test=develop

* add norm util; test=develop

* fix norm npu bug; test=develop

* fix norm kernel bug; test=develop

* move kernel args to pten; test=develop

* move kernel args to pten sig; test=develop

* add more int id type support for embedding

* add ut

* add more ut

* fix ci error