* support cuda11 and delete gcc8.2 in cpu version

* change method

* fix pip

* change 11 to 11.0

* fix trt plugin clone and initialize bugs

* fix unit test error

* enable trt in ci py3

* update unittest timeout

* fix cc version

* fix

* add readme in whl package

* [ROCM] update fluid platform for rocm35 (part1), test=develop

* address review comments, test=develop

* clean dockerfile

* clean dockerfile

* [ROCM] add rocm 3.5 and 3.9 dockefile, test=develop

* [ROCM] update rocm bin path, test=develop

* [ROCM] add dockerfile for rocm 3.5 amd 3.9, test=document_fix

* [ROCM] fix code stype failure, test=document_fix

* 01:Modify the shell script according to the specification

* 01:Modify the shell script according to the specification

test=develop

* update dockerfile

* update dockerfile

* update dockerfile

* update dockerfile

* add opencv in ci

* update cidockerfile

* test nccl

* fix diff

* fix dockerfile

* update ubuntu nccl2.7.8

* update ubuntu nccl2.7.8

* update gcc8 in python3 ci docker

* change cuda 10.2

* update cudnn8

* nvidia error cuda10.2-cudnn8-centos6 images

* fix third cache

* Fix pip2 opencv-python version

* opencv-python==4.2.0.32

* fix whell version