Merge pull request !2544 from rick_sanchez/huangyong

Merge pull request !2576 from amongo/AddBackAssignValue

Merge pull request !2526 from Alexey_Shevlyakov/alex_fix_memory_leak

Merge pull request !2534 from h.farahat/slice_api

Merge pull request !2374 from MahdiRahmaniHanzaki/I1L892-pad-cutout-ut

Merge pull request !2566 from liuwenhao/arg

Merge pull request !2569 from Chong/zc

Merge pull request !2545 from zhangbuxue/remove_the_comment_for_the_example

Merge pull request !2511 from wangqiuliang/add-tensor-mod-operation

Merge pull request !2548 from amongo/fixmapmapping

Merge pull request !2490 from gukecai/new-stream-for-commit

Merge pull request !2558 from jjfeing/master

Merge pull request !2551 from ms_yan/GetTensor_repair

Merge pull request !2572 from jinyaohui/backend_master

Merge pull request !2552 from chenjianping/host_reduce

Merge pull request !2445 from jinyaohui/print

Merge pull request !2559 from liuwenhao/rms

Merge pull request !2541 from leopz/master

Merge pull request !2549 from zyli2020/add_model_script_of_wide_deep_for_gpu

Merge pull request !2530 from Chong/zc

Merge pull request !2497 from lichen/fix_hccl_to_support_big_tensor

Merge pull request !2535 from amongo/FixPynativeTensorIndexing

Merge pull request !2543 from amongo/FixApplyRmsprop

Merge pull request !1393 from chenweifeng/adam_weight_decay

Merge pull request !2245 from hewei/decouple_tensor

Merge pull request !2411 from liuxiao/examples

Merge pull request !2517 from chenzhongming/quant

Merge pull request !2499 from yihuaijie/master