* Decrease threshold for failed ut retry

* retry Method upgrade

* second method upgrade

* fix error

* Remove the comment lines

* test for modified_retry_times

* fix error

* fix some error

* fix error

* fix error

* remove test content

* fix error

* Reduce duplicate code

* fix more than 10 ut failed bug

* fix more than 10 ut failed  bug on mac

* add n-d input support for trt scale converter

* add flatten for ut

* fix dims

* support trt serialize when load model from memory

* delete conv_bn_fuse_pass before tensorrt, with which trt serialize engine id is not stable

* Revert "delete conv_bn_fuse_pass before tensorrt, with which trt serialize engine id is not stable"

performance degradation, fix in the future

This reverts commit fa6cd17e60b15df351efda379ddd00e9e9c1fea9.

* add delete conv_bn

* delete path when delete_cache_files

* lamb_op_xpu;test=kunlun

* modify lamb_op_xpu.cc;test=kunlun

* delete atol lamb_op_xpu; test=kunlun

* update xpu.cmake;test=kunlun

* test_error 1e-5,lamb_op_xpu;test=kunlun

* error1e-5,lamb_op_xpu,test=kunlun

* delete atol lamb_xpu;test=kunlun

* modify atol,lamb_op_xpy;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu, XPUOptest;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu,modify xpu_cmake; test=kunlun

* lamb_op_xpu;test=kunlun

* lamb_op_xpu,modify xpucmake;test=kunlun

* topo and memory performance for heterps; test=develop
* add trainwithprofiler in heter trainier; test=develop

* add clip_by_norm on kunlun, *test=kunlun

* opt matmul and matmul_v2 on kunlun, *test=kunlun

* optimize unity build, test=develop

* fix compilation error on Windows, test=develop

* fix compilation error, test=develop

* fix code style error, test=develop

update RandomHorizontal Flip random description and examples

* Optimized the adaptive_avg_pool2d op when output_size == 1

* [Custom OP]add PD_THROW and PD_CHECK for User error message

* PD_THROW and PD_CHECK, fix comment

* fix Windows error message

* fix Windows error message

* fix CI

* fix eval_if_exist_else_none bug

* fix typo

* fix typo

* fix test_op_num unittest

* remove remove_unsupport_dtype

* remove remove_unsupport_dtype

* remove test dtype

* add more include

* change dtype.h's enum as enum class to avoid conflict with inference lib

* make enum as enum class

* remove additional test

* merge develop

* polish code

* Support Incremental compilation and Add Version management

* replace hash with hashlib

* split build op marco & polish details

* revert register api del

* fix other unittest

* add unittest for static/dygraph/dy2stat

* add PE unittet

* remove usless code

* add unittest in CMakeList.txt

Change-Id: I6210ce9c60bed48f3323c47b16500302b66cedf2

* add int pad support for Pad1D/2D/3D

* fix type

* fix format