* Update README.md (#4267)

* test=develop (#4269)

* 3d use new api (#4275)

* PointNet++ and PointRCNN use new API

* Update Readme of Dygraph BERT (#4277)

Fix some typos.

* Update run_classifier_multi_gpu.sh (#4279)

remove the CUDA_VISIBLE_DEVICES

* Update README.md (#4280)

* add similarity_net dygraph
Co-authored-by: Npkpk <xiyzhouang@gmail.com>
Co-authored-by: NKaipeng Deng <dengkaipeng@baidu.com>

* PointNet++ and PointRCNN use new API

* Update README.md (#4267)

* test=develop

* update ctr/dnn for v/1.7

* fix load for yolo_dy

* fix cyclegan download

* fix parallel error for 1.7

* remove modification to run.sh

Co-authored-by: NXing Wu <wuxing03@baidu.com>

test=develop

* fix multi-card multi-process bug

* fix gru_dygraph

* fix mmoe doc

* add args

* fix bmn model implemented with dynamic graph mode

* fix eval.py and README to increase the model usability

* fix gru_dygraph

* fix mmoe doc

delete bak files for SemSegPaddle

* update README

* fix monopoly info

* add kdd2020-p3ac

* add kdd2020-p3ac

* update p3ac info

* fix ptb_lm for support cpu, test=develop

* fix bug for arg_parse, test=develop

* update readme.me, test=develop

* update README

* fix monopoly info

* add kdd2020-p3ac

* add kdd2020-p3ac

* add yolov3 for dygraph