* clear clcache cache file and reopen clcache, test=develop

* reopen clcache, test=develop

* exec ut no more than 15s 2

* fix for ut test_inplace_addto_strategy timeout

* disable ut test_parallel_executor_fetch_isolated_var,test=document_fix

* test for limiting ut exec time as 15S

* fix an error caused by cannot find ut

* fix some error

* can not find test_transformer

* fix error caused by ut not run in windows

* fix error caused by Compiler Options

* fix error caused by setting timeout value as 15 in python/paddle/tests/CMakeLists.txt

* setting timeout value to 120s for old ut

* add the timeout value setting

* fix error caused by ut only run in coverage_ci

* add analyzer_transformer_profile_tester

* fix some error

* fix some error

* fix error with inference option

* fix error with inference option setting as ON_INFER

* add some ut to set timeout

* modified some option

* fix error

* fix some timeout error

* fix error

* fix error

* fix timeout for test_analyzer_bfloat16_resnet50

* fix error

* setting timeout properity for some ut

* first pr for new ut timeout as 15S

* remove slelected rows all reduce over height check

* polish unittest

* refine jit.save/load to add support for other method, not only forward

* refine the code based on unit tests

* Add unit test for the code

* Add unit test for the code

* Modify the code according to the unit test

* Delete useless comments, save only one info file, etc.

* remove static_mode_white_list.pyc

* edit the code that generate 'extra_var_info'

* fix random failure

* use two input(x)

* fix model

*test=kunlun

* Add bfloat16 softmax and gelu

* Add pass attr bfloat16_enabled_op_types

* Changes from review

* add retry for dygraph parallel socket bind

* change to loop always

* fix writing error

* Fix bug in convert_call

* refine unittest

* refine code

* refine code

* fix unittest failed

* add assert

* - Added sum bf16 oneDNN

test=develop

* - Fix to UT of sum bf16

test=develop

* add paddle.io.ComposeDataset & paddle.io.ChainDataset. test=develop

* rm cv2 dependence of normalize

* add conv_bias pass version test

* update according to reviews

modified sample code of CTCLoss & ctc_loss by remove disable_static() & print([.*].numpy()) & alias, test=document_fix (#28403)

* update DataLoader doc. test=develop

* skip reader op in mixed_precision decorator

* add ut

* add broadcast_shape api

* add ut

* follow comments

* add example code, test=dodument_fix

* update example code, test=document_fix