Merge pull request !7965 from caozhou/add_formula

Merge pull request !7993 from ZengZitao/delete_sub_graph_changed

Merge pull request !8009 from hangq/primitive

Merge pull request !7998 from hwjiaorui/master

Merge pull request !7982 from gongdaguo/adaptation_version

Merge pull request !7979 from zhaozhenlong/lite/issue/arithmetic_parameter_free_if_needed

Merge pull request !7996 from 徐安越/master

Merge pull request !7967 from wangzhe/dpp_refactor

Merge pull request !8005 from Harshvardhan Gupta/fix-dbg-ds-mode

Merge pull request !7945 from wangjun/master

Merge pull request !7988 from luoyang/pylint

Merge pull request !7995 from lyvette/master2

Merge pull request !8007 from cathwong/ckw_cppapi_dataset_del_valparms

Merge pull request !7873 from tom_chen/sparse_ftrl

Merge pull request !7875 from 34bunny/GPU-SparseApplyProximalAdagrad

Merge pull request !7981 from lihongkang/v2_master

Merge pull request !7958 from xulei/lite_test0905

Merge pull request !7962 from hwjiaorui/master

Merge pull request !7964 from yuchaojie/quant2

Merge pull request !7914 from Simson/push-to-opensource

Merge pull request !7978 from chenzupeng/master-lite

Merge pull request !7968 from fuzhiye/tmp

Merge pull request !7939 from lijiaqi/raise

import proximal adaagrad ds

tiling map

style check bug

add op set

Merge pull request !7969 from pengyongrong/stack

Merge pull request !7966 from ling/bug

Merge pull request !7971 from zhaodezan/master

Merge pull request !7929 from changzherui/mod_log_message

Merge pull request !7916 from caojian05/ms_master_lstm_bugfix

Merge pull request !7918 from caojian05/ms_master_vgg16_bugfix