* Add transfer_layout/dtype op

* clean useless codes

* fix unused var

* add optest in white.txt

* split into data_transfer.cc

* fix cmake

* modify according reviewer comment

* replace cast_op with transfer_dtype_op

* init

* add feed ops in python side

* import LRScheduler

* update_feed

* refine code format

* add

* add BuildOperatorDependences

* fix bug

* add unittest for write after write

* fix merge bug

* fix

* fix revord_event

* refine class Instruction

* refine Instruction and InterpreterCore

* make instruction and operator_base consistent

* support NoNeedBufferVar in stream_analyzer

* fix place of event

* add vlog before continue

* fix 3 bug, test=develop

* refine, test=develop

* split declaration and implementation

* remove initdevices

* refine VariableMetaInfo

* add ut

* fix compile

* fix 2 bug: 1.skip lodtensorarray; 2.delete feed op, test=develop

* program clone, test=develop

* Simplify constructor of InterpreterCore

* fix bool

* clean code

* cancle thread when exit, test=develop

* gc to unique_ptr, test=develop

* refine, test=develop

* fix namespace, test=develop

* add scope as membership

* functions complete

* fix bugs: garbage collectior

* deal unknow variable holder

* add

* 1. add unittest for operator_base

* code format

* bugfix: ps mode can't set backend automatically

* refactor

* fix

* refact

* refine code

* refine

* push

* Fix persistable var is GC as unexpected

* polish code and rebase develop

* refine vlog of interpretercore

* fix ut

* fix some bug in new executor, test=develop

* fix error message, test=develop

* enable check_nan_inf and fix variable scope

* add ut

* fix bug

* update ut

* revert doc change

* fix npu compile

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* update

* update

* update Error MSG

* update EventsWaiter

* Add Cancel For ThreadPool

* Add UT for Cancel

* fix Cancel

* Refactor InterpreterCore code

* make tuple

* cache exception in child thread

* add ut

* fix ut

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* update

* update

* update Error MSG

* update EventsWaiter

* Add Cancel For ThreadPool

* Add UT for Cancel

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* update

* update

* update Error MSG

* update EventsWaiter

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* Revert "Add EventsWaiter"

This reverts commit e206173aa9be7401b83a53581627bfaf557c8fb2.

* adjust multithread using, fix flame graph

* update

* Add kQueueSync.synchronize_run_ logic

* Support No DataTransform From GetKernelTypeForVar

* add align for WorkQueue

* add spinlock

* merge spinlock

* Polish multi-thread schedule strategy

* fix atomic_deps

* modify into lambda function

* add and run

* add align for WorkQueue

* WorkQueue update

* Revert "WorkQueue update"

This reverts commit 14ce793dbb204f8ddec63c34b3b72a73c7cdb93a.

* optimize WorkQueue

* Fix copy elision warning

* Remove redundand code

* refine gc for new_executor, test=develop

* refine, test=develop

* refine, test=develop

* merge, test=develop

* Modify H2D and D2H as kQueue::Sync

* fix interface error

* Clean ParaseMemInfo and fix unittest with multi-thread

* fix declare

* format code

* format interface

* polish interface

* Remove std::memory_order

* modify into SpinLock

* remove fetch_context_pool_

* fix comment

* modify into WorkQueueGroup

* refine code

* fix pointer

* fix paddle_enforce

* split into AsyncWorkQueue

* polish code

* specify std::memory_relax

* fix atomic fetch_sub

* fix num_thread