* move sum

* fix ci bugs

* fix ci bugs

* fix set_lod bugs

* fix infershape bugs

* fix ci bugs

* fix ci unittest bug

* fix ci bugs

* perfect code

* update code according comment

* add unittest

* fix ci bugs

This reverts commit c252b1de.

* support cast op backward refuse forward

* Fix the bug of high order unit test framework

* fix return order error and duplicate results with specific inputs

* Fix TransDataBackend Error when call unsqueeze using MKL Tensor

* Add UT

* Refine UT

* first commit

* refine code with template argument

* refine code with template argument

* add ternary broadcast test file

* add ternary broadcast test file

* fix accoriding to ci

* fix op-benchmark ci error

* perfect softmax functor

* fix compile bugs

* fix ci bugs

* Fix bug of reduce_sum op. When input.numel() > INT32_MAX, its result
is wrong.

* Fix some problems.
1. Change fluid head files to phi files.
2. Delete useless code.
3. Fix code style problems.

* Fix some code style problems.

* Fix some code style problems.

* support int64 non-broadcast

* support broadcast case for int64 index

* fix bug

* support more Arity

* remove some codes

* upgrade patchelf to v0.15.0 to pass CI build

* fix bug

* fix patchelf installation

* add debug flags

* remove useless codes

* fix viterbi_decode and set_value op uts

* remove always enable int64

* avoid to synchronize all devices

* synchronize custom device

* clear extra attr of scale in opmaker

* fix sum bug

* fix merge conflict

* fix minus

* fix linspace error in amp

* fix log

* fix amp error

* add interpretercore for jit engine

* add ut

* [CustomDevice] add custom_device_resource_pool & device_event_custom_device

* update

* update

* update

* update

* add reduce_mean,reduce_sum primitive ops
* add ne_p gt_p primitive operators
* add ge_p abs_p primitive oparators
* add cast primitive operators
* add pow,square prim2oirg rules
* add elementwise_div orig2prim rule

* unify  core_avx and core_noavx

* fix except error

* revert mac compile logic

* revert dylib to so

* add core_noavx branch

* remove core_noavx

* replace paddle_core by lib paddle

* polish var name

* replace paddle_core by libpaddle

* update custom device commit

* polish code by comments

* refine PADDLE_WITH_MKLDNN code

* fix data_norm_op

* polish addmm_op

* - mul & matmul changes

- fix

- bs16 correction of strides

* - cosmetic fixes

* - lint

* - fix

* - fix

* - format -> mem_desc

* - fix

* - fix

* - fix

* - fix

* - fix

* clear extra attrs of elementwise op in opmaker

* fix op_debug_string_test

* fix bug of grad_add

* fix sort of runtime attrs

Support 0 shapes input Tensor for MKL slice kernel

* first commit

* fix some bugs in code

* fix bugs

* to optimize merge one dimension feature

* saved_tensors_hooks

* make eager log readable

* fix compile error

* recover test

* invoke ci again

* delete eigen header in data_type.h

* fix complie bug

* refactor