GitLab

* update metafile

* modify version

* fix typo

* fix typo

* fix typo

* [Feature] Adding PWC metafile

* fix url in nuimages

* removing inaccurate training time

* refine pwc index

* refine training resources

* removing empty metric of metafile in regnet

* removing 'Focal_Loss' and 'SECOND' from Architecture

* add QR code & add MMGen

* modify tag to comment

* update re-expression

* Add Tag to configs

* Add Tag to configs

* Add Tag to config

* Support to train using FP16

* fix type inconsistency error on naive syncBN

* resolve comments

* clean nan check

* clean nan check

* clean unnecessary modification

* update model link

* Support to train using FP16

* fix type inconsistency error on naive syncBN

* resolve comments

* clean nan check