* [phi][jit] rm Softmax StrideScal

* [phi][jit] rm kStrideScal

* [phi][jit] fix Softmax clean omission

* [phi][jit] fix Softmax clean omission

* [phi][jit] fix StrideScal clean omission

* [phi][jit] fix mkl SoftmaxKernel clean omission

* [phi][jit] fix test error

* [phi][jit] fix test error

* [phi][jit] rm NCHW16CMulNC

* [phi][jit] fix test error

* [phi][jit] rm HSum HMax

* [phi][jit] fix test error

* [phi][jit] rm StrideASum

* add AUTHORS.md

* [phi][jit] fix test error

* [phi] move jit kernels from fluid to phi

* [phi] fix paddle::phi err

* [phi] fix windows 'posix_memalign': identifier not found

* [phi] fix windows 'posix_memalign_free': identifier not found

* [phi] fix readme directory structure, fc_functor  paddle::platform

* standard api

* fix xpu bugs

* perfect copy

* deal with conflict

* deal with conflict

* fix compile bugs

* fix unittest bugs

* change code format

* deal with conflict

* modify code by review

* fix ce bugs

* fix ce bugs

* add lo

* perfect code format

* deal with conflicts

* refactor the optional tensor

* remove optiona<MetaTensor> in InferMeta

* fix bug

* fix optional<vector<Tensor>>

* fix bug

* fix rmsprop

* fix amp of eager_gen

* polish code

* fix deleted code

* fix merge conflict

* polish code

* remove is_nullopt_

* fix merge conflict

* fix merge conflict

* add layer norm infermeta

* add layer norm yaml

* polish layer norm infer meta

* add layer norm to black list

* update

* fix bugs; test=develop

* update; test=develop

* fix test compile error; test=develop

* fix cpu compile error; test=develop

* fix test error; test=develo

* fix layer_norm_op plugin error; test=develop

* fix error; test=develop

* fix test bug; test=develop

* update; test=develop

* polish code; test=develop

* fix bugs; test=develop

* remove unused depency; test=develop

* polish code; test=develop