* Split layer_utils.cc and polish interface BaseFunction

* Polish include

* Fix cmake for funciton_schema

* Using unordered_map replace map and rename VariableNameMap

* Polish Layer Constructor and remove useless include

* Refine compilation_unit

* move trace into api.yaml

* add trace unittest

* fix trace test

* fix generate op

* rewrite all code examples, test=document_fix

* refine arguments, test=document_fix

* fix desc format error, test=document_fix

* capitalize the first letter, test=document_fix

* refine api desc, test=document_fix

* fix wrong COPY-FROM label in Model docs, test=document_fix

* refine returns, test=document_fix

* refine returns, test=document_fix

* add a blank line in code block, test=document_fix

* add outputs for code examples, test=document_fix

* missing code example update, test=document_fix

* missing returns, test=document_fix

* fix the case of proper nouns, test=document_fix

* fix SqueezeNet code example (add a blank line), test=document_fix

* fix ShuffleNetV2 args style, test=document_fix

* missing paper links, test=document_fix

* missing `optional`, test=document_fix

* refine parameter `pretrained`, test=document_fix

* add parameter `kwargs`, test=document_fix

* refine parameter `num_classes`, test=document_fix

* capitalize the first letter, test=document_fix

* missing output of code example, test=document_fix

* fix wrong api label, test=document_fix

* refine returns, test=document_fix

* add missing `.` after paper link, test=document_fix

* remove extra `:`, test=document_fix

* :math:\`0.0\`, test=document_fix

* upgrade pre-commit tools in docker

* python36 support pre-commit<=2.1.1

* upgrade pip; remove old clang-format; remove redundant apt update

* remove redundant apt-get update

* remove duplicate apt-get update that will cause cinn download fail

* remove duplicate pip upgrade

* add --fix-missing to avoid cinn docker build fail

* remove duplicate apt-get update in make_cinn_docker

* make cinn command in the end

* solve gpg problem

* remove unneccessary modification

* cpplint fix 2

* cpplint fix 2

* fix cpplint style 4

* fix cpplint style 4

* fix cpplint style 4

* fix cpplint style 4

* fix cpplint style 5

* fix cpplint style 5

* fix cpplint style 5

* fix cpplint style 5

* fix cpplint style 5

* fix cpplint style 5

* fix cpplint style 5

* [Dy2Stat]Support nonlocal mechanism in IF ast transformer

* support prune return vars in cond

* fix unittest

* fix unittest

* fix static check

* add cast trt converter

* Fix test_fuse_resnet_unit failure

* Fix test_imperative_auto_mixed_precision failure

* Fix sparse_attention_op error

* Fix sparse_attention_op error

* Reduce gather op unit tests size and increase the timeout

* Add NVIDIA_TF32_OVERRIDE for multi-processes environment

* Remove record test for device event ut

* sylwek

prototype params to int8 pass

* trying to make warmup work

* wip

* wip

* change test to cpp test

* review fixes, refactoring

* more refactoring

* add erasevars

* change test to fixture

* rename pass

and reorder erasevars and graphsaferemovenodes

* fix

* more refactoring and fixed bug

* formatting

* remove scale count

* enfroce message too short

* remove erasevars

erasevars couldbe cauuse of memory issues

some other fixes

* add count of successfull fuses to name of new nodes

* FindVar -> GetVar and use ConvResidual pattern

* use tensor->clear() instead of new variable

* Update paddle/fluid/framework/ir/mkldnn/params_quantization_mkldnn_pass_tester.cc
Co-authored-by: NTomasz Socha <tomasz.socha@intel.com>

* Update paddle/fluid/framework/ir/mkldnn/params_quantization_mkldnn_pass_tester.cc
Co-authored-by: NTomasz Socha <tomasz.socha@intel.com>

* Update paddle/fluid/inference/tests/api/analyzer_lexical_analysis_gru_tester.cc
Co-authored-by: NTomasz Socha <tomasz.socha@intel.com>

* add log (review fix)c

* review fix (2 functions to one)

* code review: Conv->QuantizeConv

* revert

* fix formatting

* remove unused functions

* add paddle enforce
Co-authored-by: NTomasz Socha <tomasz.socha@intel.com>

* fix bugs

* update

* update

* update

* code style

* code style check

* fix arg_max converter

* improve MSRAInitializer

* improve the doc

* fixed multihead matmul fuse pass

* Add unittests

* rm scale op

* fixed code style

* fixed code style

* resolve testcase falied

* add note

* add codegen for get_expected_kernel, add argument mapping for selected_rows kernels, fix other bugs in codegen for operators.
* move bernoulli, erf, mv, poisson, trunc, erf to api.yaml and corresponding backward api to backward.yaml
* generate EmptyGradOpMaker for ops without grad op
* add code to generate all possible kernel signatures for infrt

* fix cpplint style 6

* fix cpplint style 6

* add fc, multihead_mul, shape tensor infer, slice

* Fix some TODO and polish code

* Support GPU place

* Fix layer_test ci error

* Polish some code

* Make GetFunction as const function

* Remove COMMAND tar to fix CI error

* Fix comments

* Merge develop to fix codestyle error

test=document_fix;pre install clang-format to avoid repeat installation due to pre-commit multi-thread running (#43734)

因此将N次前向共用一个 vec scope 换为了N次前向分别使用自己的一个vecscope

* test=gpups

* fix or backend many inputs bug

* fix or backend many inputs bug

* fix or backend many inputs bug

* fix or backend many inputs bug

* code format

* code format

* cpplint fix 3

* cpplint fix 3

* cpplint fix 3

* cpplint fix 3