* auto parallel support pipeline scheduler with standalone executor

* rm check_fetch

* update cmakelist and flags env

* rm set micro batch id

* rm import

* update utils func

* raise error when merge tensor for return_numpy is False

* fix _pipeline_opt

* fix unittest

* Run plan in standalone executor

* Update codes

* Update atol and rtol for py3-CI

* Add scope to cache key

* Fix CI errors

* Fix code style

* Update codes

* Remove fetch_name in standalone executor

* Fix UT

* Update codes

* Fix new IR bug