Merge pull request !2535 from amongo/FixPynativeTensorIndexing

Merge pull request !1393 from chenweifeng/adam_weight_decay

Merge pull request !2245 from hewei/decouple_tensor

Merge pull request !2517 from chenzhongming/quant

Merge pull request !2499 from yihuaijie/master

* change slice setitem to mixed procedure
* add testcase for slice assignment

Merge pull request !2512 from vlne-v1/I1LJMR-quant-the-top-level-add-op-prefix_name-check-error

Merge pull request !1950 from vlne-v1/move-flags-to-construct

Merge pull request !2503 from heleiwang/fix_misspell

Merge pull request !2426 from xychow/add-tuple-getitem-const-pass

Merge pull request !2492 from YuJianfeng/master

Merge pull request !2303 from gziyan/modify_lars_interface

Merge pull request !2441 from chenzhongming/master

Merge pull request !2140 from ShidaHe/debugger_dev

Merge pull request !2180 from chenweifeng/gelu-fp16

Merge pull request !2297 from jiangjinsheng/vm_matrixdiag

Merge pull request !2305 from 李鸿章/callback

Merge pull request !2465 from chentingting/gcn_rectification

Merge pull request !2418 from caojian05/ms_master_dev

Merge pull request !2241 from zhangzheng/accumulate

Merge pull request !2306 from luoyang/pylint

Merge pull request !2405 from chenzhongming/master

Merge pull request !2413 from Xiaoda/7-auto-parallel-check-optimizer-ops

Merge pull request !2424 from xutianchun/ctcloss

Merge pull request !2369 from baihuawei/reduce

Merge pull request !2398 from h.farahat/slice_bug

Merge pull request !2404 from xulei/input_output