Merge pull request !2202 from yuchaojie/transformer

Merge pull request !2290 from yanzhenxiang2020/aicpu_param_open

Merge pull request !2273 from lichen/fix_embeding_look_up

Merge pull request !2211 from h.farahat/pair_truncate

Merge pull request !205 from xutianchun/reverse_sequence_grad

Merge pull request !2281 from zyli2020/add_sigmoid

Merge pull request !2279 from zyli2020/add_model_script_of_wide_deep_for_gpu

Merge pull request !2221 from yao_yf/model_zoo_wide_deep_modify

Merge pull request !2185 from kouzhenzhong/wide_deep_dataset_graph

Merge pull request !2266 from luoyang/update

Merge pull request !1993 from luoyang/pylint

Merge pull request !2239 from liyong126/csv_to_mindrecord

Merge pull request !2275 from Xiaoda/4-fix-the-embeddinglookup-errors

Merge pull request !2296 from yangjie159/fix-export-lite-model-for-gpu

Merge pull request !2292 from limingqi107/master

Merge pull request !2276 from fary86/fix_eliminate_get_ref

Merge pull request !2278 from changzherui/mod_comment

Merge pull request !2271 from yihuaijie/master

Merge pull request !2283 from yanghaitao/yht_fix_profiling_inline_node

Merge pull request !2270 from lianliguang/master

Merge pull request !2280 from chenjianping/host_reduce

Merge pull request !2246 from kisnwang/fix-cpu-argmax

Merge pull request !2194 from 王东旭/master

Merge pull request !2252 from ms_yan/config_load

Merge pull request !2197 from zhaoting/ResNet50_st

Merge pull request !2116 from ghzl/change-multitypefungraph-to-internal-interface

Merge pull request !2220 from leopz/fix_dump

Merge pull request !2267 from heleiwang/fix_doc