* support margin loss (arcface, cosface, sphereface)

* notest;pm-op-benchmark

* notest;pm-op-benchmark

* notest;pm-op-benchmark

* notest;pm-op-benchmark

* notest;pm-op-benchmark

* notest;pm-op-benchmark

* notest;test=op_benchmark

* notest;test=op_benchmark

* notest;op_benchmark

* notest;op_benchmark

* notest;op_benchmark

* notest;op_benchmark

* notest;op_benchmark

* notest;op_benchmark

* notest;test=op_benchmark

* notest;op_benchmark

* notest;op_benchmark

* notest;op_benchmark

* fix

* fix

* Add EmptyGradOpMaker CI Approval, test=develop

* Fix typo in echo_line

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* fix

* delete install_trt in release docker

* fix whl package path

* notest;test=cpu-benchmark

* benchmark-cpu

* notest;test=cpu-benchmark

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* notest;benchmark-cpu

* fix

* fix

* add test_ci_model_benchmark.sh

* Add build_strategy in @to_static to support open pass

* fix os.environ

* add timeout

* disable test_build_strategy on openblas

* [NPU] update NPU ci tests, test=npu_aarch64

* [NPU] fix x86 build and add disable_ut for NPU, test=npu_aarch64

* [NPU] address review comments, test=develop

* polish windows compile for Ninja, fix random compile fail

* polish windows compile for Ninja, fix random compile fail

* notest;test=approval

* add npu approval

* notest;test=approval

* notest;test=approval

* notest;test=approval

* notest;test=approval

* notest;test=approval

* notest;test=approval

* notest;test=approval

* notest;test=approval

* notest;test=approval

* notest;test=approval

* notest;test=approval

* del test py

* print the signatures of the apis

* some faults, and a test case

* use the FullArgSpec as the ArgSpec, repr>str

为了延续脚本历史，把FullArgsSpec替换为ArgSpec；在逆转回对象时，记得加上inpect.FullArgSpec对象

* script form @zhiboniu

* parsearg

* read argspec from file

* add comments

* refactor check_compatible and its testcases

* skip the empty ArgSepc()

* update the function, get inspect.FullArgSpec instances directly.

* typo

* for the functions using inner-defined VarType or other Class Type not accessable, use the string comparements.

* typo

* logging added

* 若变量和默认值都增加了，用负数索引需要再处理下这个增加的内容

* defaults itself may be NoneType

* defaults added 2 items when args only added 1 item

* same as the previous comment

* enable the check_api_compatible.py

* run test_check_api_compatible.py

* sort the output of print_signatures.py

* Refine Constructor logic of ParallelExecutor

* Replace executor into ParallelExecutor in run_program_op

* Support sccache to speed up compilation on Windows

* Support sccache to speed up compilation on Windows

* fix error for no python coverage data

* added prelu bf16/fp32 fwd/bwd kernel

* added matmul_v2 bf16/fp32 FWD kernel

added matmul_v2 bf16/fp32 FWD kernel

* added formatting

* removed some tests due to timeout in CI

* refactored tests

* merged tests classes into one file

* minor change

* removed test guard for CUDA

* remove skipIf

* changes after review

* formated one file

* minor change

* added skipping UT in CUDA place

* block pyc file

* block pyc file

* block pyc

* block pyc

* block pyc

* test=document_fix; block pyc file

* test=document_fix; block pyc file

* test=document_fix; block pyc file

* test=document_fix; block pyc file

* only save py37 of docker in release version

* fix release16 errors

* delete extra python in ubuntu18

* install vim in ubuntu18

* fix little bugs

* fix whl package message

* Modify the search order of dynamic library

* Modify the search order of dynamic library

As the title

* refactor check_pr_approval, allow using github login-id

2. remove the tricks for paddle.fluid.layers.ops.func

* add testcases

* simplify the test data, and added to file diff approvals

* remove a approver

* test_print_signatrues runs on a simple pipeline, no paddle installed

* testcases for print_signatrures and sampcd . python3 only.

* remove unused import directives

* remove unused import directives

* base changes for split op

* 90% of split functionality added

* full fp32 functionality

* added bf16 test

* added submemory caching

* added bf test to static mode whitelist

* minor change

* enabled split op for inference

* minor fix

* minor fix

* using argparse to handle selections

* 2 TODOs

* 先不更改pipeline配置，这里强制改成GPU版本

* sorted the all_names

* exec gpu sample codes tests incrementally

* get all apis from the pr.spec file

* condition with WITH_GPU

WITH_GPU == ON

save

* delete the useless codes

* delete the useless codes.

test=document_fix

* echo the diff result

test=document_fix

* dont reuse the variables

* rename fun to _func not work. put it into the skiplist

https://github.com/PaddlePaddle/Paddle/commit/038ffc795025170e8cda74bcd473b46301b9a1c0
test=document_fix

* skip it in check api approvals

test=document_fix

save

* skip the private _variables

* print signatures wrong. now rename it to _func

test=document_fix