Merge pull request !6560 from yihuaijie/master

Merge pull request !6724 from TuDouNi/master

Merge pull request !6548 from yihuaijie/dev

Merge pull request !6471 from thlinh/dev_Sep18_fix_AdjustAllReduceMulAdd_pass

Merge pull request !6521 from Xiaoda/24-fix-a-return-value-checking-bug-in-rec-searching

Merge pull request !6523 from BowenK/master

Merge pull request !6502 from lichen/fix_auto_parallel_find_loss_bug

Revive tests in lib_test

Code cleaning

Merge pull request !6500 from huangxinjing/add-default-value

Merge pull request !6491 from yihuaijie/blank

Merge pull request !6411 from Xiaoda/23-fix-the-triangle-elimination-problem

Merge pull request !6450 from ZPaC/master-change-ps-dir

Merge pull request !6400 from zhangbuxue/add_overflow_check_for_make_range_and_optimize_isinstance_processing

Merge pull request !6409 from gziyan/batch_paralell_black_list

Merge pull request !6417 from yao_yf/auto_parallel_func_mv

Merge pull request !6284 from BowenK/master

Merge pull request !6344 from lichen/fix_auto_parallel_mutigraph_bug

Merge pull request !5918 from flywind/optimizer_pynative_memory

Merge pull request !6347 from zhangbuxue/support_not_in_and_add_check_for_grad_with_sens_with_no_sense_provided

Merge pull request !6126 from Chong/reshape-test-mul-broadcast

Merge pull request !6002 from BowenK/pre_ad

Merge pull request !6079 from ZPaC/master-1.0-optimize-ps

Merge pull request !6001 from zhangbuxue/check_is_graph_mode_for_HookBackward

Merge pull request !5958 from lilei/modify_bug