Merge pull request !2961 from JoyLvliang/add-st-to-protect-pynative-hook-from-abnormal

Merge pull request !2962 from chenweifeng/smoothl1loss

Merge pull request !2779 from chenweifeng/ctcloss

Merge pull request !2605 from XunDeng/pp_poc_v3

Bernoulli and Normal

Merge pull request !2848 from xutianchun/crop_size_tuple

Merge pull request !2761 from chenfei_mindspore/split-real-inputs-to-reuse-args-and-not-reuse-args

insert assign at the end of graph

clear log

clear log 2

handle replace call of unreuse args

handle bug of replace node

Merge pull request !2823 from xutianchun/fix_doc

Merge pull request !2565 from ddwolf/add_case_for_precisoin_of_bert

Merge pull request !2802 from chentingting/fix_import_path_error

1. add case to guard precision
2. fix a shape bug
3. fix a funcGraph bug

Signed-off-by: zhoufeng <zhoufeng54@huawei.com>

Signed-off-by: zhoufeng <zhoufeng54@huawei.com>

Merge pull request !2743 from ougongchang/summary_collector_ut

Has fixed collecting optimizer error when mode is eval

Merge pull request !2409 from amongo/AddTensorSetItemSTCases

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 !2499 from yihuaijie/master

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

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

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 !2180 from chenweifeng/gelu-fp16

Merge pull request !2424 from xutianchun/ctcloss