Merge pull request !3902 from Shawny/ptpl

Merge pull request !3905 from 冷情灬/yolov3_tiny

Merge pull request !3036 from 钟万福/master

Merge pull request !3859 from fuzhongqian/master

Merge pull request !3891 from xiaotianci/fix_yolov3_performance

Merge pull request !3880 from KXiong/master

Merge pull request !3872 from luoyang/mymaster

Merge pull request !3565 from wangyangshuai/deepspeech2_cpu

Merge pull request !3868 from GongLiyao/master

Merge pull request !3869 from bichaoyang/master

Merge pull request !3865 from KXiong/master

change gs nn metric to train metric

!3862 Add .value() to avoid subgraphs returning parameter Ref type data, and preventing the performance of the bert network from deteriorating.
Merge pull request !3862 from bichaoyang/master_1

Signed-off-by: fuzhongqian <fuzhongqian@huawei.com>

update official/cv/resnet/README_CN.md.

Signed-off-by: fuzhongqian <fuzhongqian@huawei.com>

Merge pull request !3074 from 朱怡潼426/master

Merge pull request !3777 from fuzhongqian/master

Merge pull request !3832 from lihaoyang/master

Merge pull request !3714 from 王钰培/master

Merge pull request !3852 from 唐红艳/master

Merge pull request !3705 from Dr.Tripple.J/code_slowfast

deeplabv3

deeplabv3

Merge pull request !3728 from 冷情灬/yolov3_tiny

Merge pull request !3594 from GaoXL/branch1

Merge pull request !3836 from KXiong/master

Merge pull request !3829 from anzhengqi/select-best-ckpt

Merge pull request !3660 from 185******25/master