* cherry-pick add dequantize_log_op and make pyramid hash support int8 weight  (#22548)

* add dequantize_log_op and make pyramid hash support int8 weight test=develop

* add unittest and update pyramid hash op test=develop

* remove paddle_enforce test=develop

* fix error message test=develop

* remove incorrent commit test=develop

* fix error message in log_dequantize test=develop

* change 2019 to 2020 test=develop

* remove useless check_grad test=develop

* cherry-pick fix compile error in win gpu  (#23196)

* fix compile error in win gpu test=develop

* fix compile error in win gpu test=develop

* fix compile error in win gpu test=develop

* support feed_python_builtin, test=develop

* add test, test=develop

* support CompiledProgram, test=develop

* support fluid.data, test=develop

* fix ci problems, test=develop

* follow comments, test=develop

* update readme for release/1.7, test=develop (#22764)

* fix the travic ci problem

speed create clip op

* fix communicator when breaking under PyReader mode, test=develop
* revert some vlog level to 0, test=develop

* fix fc padding during fusion, test=develop

* fix optim model inference after SaveOptimModel, test=develop

* change the function in op_teller, test=develop

* correct the commit-id, test=develop

test=release/1.7

test=release/1.7

* support slice double grad, test=develop
* merge two doublegradopmaker to one doublegradopmaker,test=develop
* change the shape of slice_OP's unittest, test=develop

* test=develop, bug fix for trainer_factory (#22751)

* test=develop, optimize distributedstrategy (#22677)

cherry-pick from the branch develop，fix the overflow of sequence2batch

* add recorded cuda memory apis, fix typo, test=develop

* add more ut, test=develop

* follow comments, test=release/1.7

* fix py35 incompatible issues, test=release/1.7

* Fix pointer and c-api encapsulation (#22663)

* refine pointer and c-api prototype, test=develop

* fix new c api profile bug, test=develop

* add unit tests, test=develop

* Fix inference c api PD_GetZeroCopyOutput lod (#22768)

* fix inference c api lod, test=develop

* fix capi lod problem and enrich tests, test=develop

* delete useless header files and alter const_cast, test=develop

* fix compile issue, test=develop

* force link libiomp5 when mklml is enabled, test=develop
Co-authored-by: NLeo Chen <chenqiuliang@baidu.com>

Co-authored-by: Nflame <fuchang1991@gmail.com>

* add sync communicator and implement

delete redundant information.

test=release/1.7 test=document_fix

* Add TopK Op Grad CPU&GPU Kernel test=develop

* Add TopK Op Grad, modify grad op maker test=develop

* Add TopK Op Grad, modify grad op maker test=develop

* Add TopK Op Grad, modify PADDLE_ENFORCE test=develop

* Add TopK Op Grad, modify PADDLE_THROW test=develop

* Add TopK Op Grad, modify unittest test=develop

* fix ngraph top k op unittest test=develop