Merge pull request !2455 from qujianwei/fix_mass_readme

Merge pull request !2455 from qujianwei/fix_mass_readme

!2456 add a description to the FAQ about the error in loading the mindrecord format dataset on MAC OS
Merge pull request !2456 from 高攀/file_descriptor

!2456 add a description to the FAQ about the error in loading the mindrecord format dataset on MAC OS
Merge pull request !2456 from 高攀/file_descriptor

Merge pull request !2105 from FangManLin/master_dev1

Merge pull request !2105 from FangManLin/master_dev1

Merge pull request !2451 from 陈雨婷/master

Merge pull request !2451 from 陈雨婷/master

modify modelarts

modify modelarts

modify modelarts

Merge pull request !2450 from 王程浩/master

Merge pull request !2450 from 王程浩/master

Merge pull request !2360 from wangzeyangyi/pix2pix

Merge pull request !2447 from huangxinjing/fix_micro_limit

Merge pull request !2447 from huangxinjing/fix_micro_limit

Merge pull request !2442 from zhanghuiyao/fix_retinaface_bug

Merge pull request !2442 from zhanghuiyao/fix_retinaface_bug

Merge pull request !2378 from huangxinjing/fx_model_4limit

Merge pull request !2441 from 唐红艳/master

Merge pull request !2441 from 唐红艳/master

Merge pull request !1606 from biaos/master

Merge pull request !1606 from biaos/master

Merge pull request !2227 from zangyaning/master

Merge pull request !2227 from zangyaning/master

Merge pull request !2440 from Shawny/srcnn

Merge pull request !2440 from Shawny/srcnn

Merge pull request !2438 from Shawny/pgan

Merge pull request !2400 from 代宇鑫/master

Merge pull request !2428 from zhouneng/fix_issue_lstm

Merge pull request !2428 from zhouneng/fix_issue_lstm

Merge pull request !2427 from oacjiewen/master

Merge pull request !2432 from panfengfeng/fix_maskrcnn_moilenetv2_accuracy