Merge pull request !4914 from shenwei41/sw_master

Merge pull request !4952 from peixu_ren/custom_pp_ops

Merge pull request !4955 from MahdiRahmaniHanzaki/dynamic-ops-fix

Merge pull request !4959 from yeyunpeng2020/mindspore

Merge pull request !4854 from 徐安越/master

Merge pull request !4956 from XunDeng/pp_issue_branch

Merge pull request !4924 from byweng/fix_param_check

Merge pull request !4953 from cathwong/ckw_c_api_fixes1

updated c color op descriptions

Merge pull request !4951 from HarshvardhanGupta/multi_fix

Merge pull request !4776 from ZiruiWu/map_callback_follow_up

fix review cmts

fix ci

fix Ci

fixci

address ci

ci

- add timeout
- add more test cases

fix CI

address review cmts

Merge pull request !4948 from JesseKLee/glog_off

Merge pull request !4940 from zhaozhenlong/lite/issue/modify_conv_for_fp16

Merge pull request !4692 from yangruoqi713/lite

Merge pull request !4930 from xiefangqi/fix_cifar_nofile_issue

Merge pull request !4935 from VectorSL/conv-fix

Merge pull request !4934 from zyli2020/bug_fix

Merge pull request !4920 from mengchunyang/master

Merge pull request !4928 from qianlong21st/revert_gpu_queue

Merge pull request !4929 from zhangbuxue/fix_bug_for_PynativeExecutor_clear

Merge pull request !4822 from maning202007/rebase_master

Merge pull request !4851 from caozhou/modified_indent

Merge pull request !4853 from yepei6/comment

Merge pull request !4917 from zhouyaqiang0/master

Merge pull request !4925 from chenzupeng/master-lite