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

* fix type

* fix format

* add cache for VariableWrapper

* modify args names and vlog level

* format code style

* add log when set cache to variable_wrapper

* add log when set cache to variable_wrapper

* add comment to variableWrapper cache

* format code style

* add cpp_extension en doc

* remove cuda_cflags and add optional in doc

* refine style

* fix indent problem

* add default None

* add simple attr support and test

* add int, float attr support

* support other attribute

* add custom attrs test in cmake

* polish details

* fix test failed

* add backward test

* update test flags

* revert the modification of set_expected_place

* set device before op run

* add ut

* update, test=develop

* update, test=develop

* push multi node

* multi node

* MultiThread

* remove log

* solve bug in 30829

* add get_cublas_handle() api

* update format

* add unittests

* alter function name

* split cxx/nvcc compile flags

* enhance input argument check

* rename extra_cflags into extrac_cxx_flags

* add name checking in setup

* fix test_dispatch failed

* fix word typo and rm usless import statement

* refine import statement

* fix unittest failed

* fix cuda flags error

test=document_fix

* add group norm plugin

* fix compile problems

* move concat axis check to trt op teller

* add nbDims for scale and bias nv dims

* add group norm unit test

* fix unittest

* add trt version restriction for group norm op teller

* fix unittest

* add new custom op so

* fix use new method error

* fix test failed

* fix entry

* fix distributed lookup table fuse case

* fix entry bug at first time

* move entry from paddle.fluid -> paddle.distributed

* fix ut with paddle.enable_static()
Co-authored-by: Nmalin10 <malin10@baidu.com>

* split build directory for each setup.py

* fix template string

* fix some problem of Windows custom op

* fix some problem of Windows custom op

* fix some problem of Windows custom op

* add error msg when dtypes of operator are not same

* add error msg when dtypes of operator are not same

* change error msg to warning msg when dtypes of operator are not same

* modify test case to fit for python2

* added support for fake_quantize_dequantize_abs_max op in quantization inference pass

* remove const_cast to pass ci

* remove compare operator to pass ci-coverage

* added detailed error message for unregistered tensorrt_subgrah_pass

* split test & add inference test

* add timeout config

* change to setup install

* change to jit compile

* add verbose for test

* fix load setup name repeat

* polish details

* resolve conflict

* fix code format error

* Support 'bool' and 'int' for attention mask.

* Update docs.

* Add unittest for Transformer.

* fix bugs.

* add default argument  for paddle.save/static.save

* edit documentation of

* Add comments for special processing for protocol=2 and protocol=3.

* Update python/paddle/fluid/io.py
Co-authored-by: Nlanxianghit <47554610+lanxianghit@users.noreply.github.com>
Co-authored-by: Nlanxianghit <47554610+lanxianghit@users.noreply.github.com>

* remove PrettyTable dependence from paddle.flops

* fix bug in python2.7

* fix flops

* fix flops

* fix bug

* fix bug

* fix windows for optimization of elementwise_add Op

* Unification of bfloat16 enablement process and refactor

* Remove unnecessary function

* Standardize the output name search