Merge pull request !4805 from zhaizhiqiang/master

Merge pull request !5001 from sunsuodong/fixfp16

Merge pull request !4991 from yangruoqi713/conv_dw_lite

Merge pull request !4974 from ling/sr

Merge pull request !4986 from fuzhiye/tmp

Merge pull request !4913 from zhengjun10/master

Merge pull request !4961 from sunsuodong/batch_norm_fp16

Merge pull request !4999 from yeyunpeng2020/primitive

Merge pull request !4870 from hangq/primitive

Merge pull request !4995 from chenjianping/lite_dev2

Merge pull request !4908 from wangshaocong/lite_clean

Merge pull request !4975 from jianghui/master

Merge pull request !4987 from zyli2020/bug_fix

Merge pull request !4980 from wangchangkai/master

Merge pull request !4989 from zhaodezan/master

Merge pull request !4989 from zhaodezan/master

Merge pull request !4971 from chenjianping/lite_dev2

Merge pull request !4790 from jxlang910/push-to-opensource

Merge pull request !4973 from peixu_ren/custom_pp_ops

Merge pull request !4969 from chenzhongming/lite

Merge pull request !4898 from fary86/fix_call_depth_too_large

Merge pull request !4977 from zhaozhenlong/lite/tool/benchmark_modify_help_info

Debug test.

pynative debug

Merge pull request !4927 from flywind/pynative_identity

set quant_type default value

Merge pull request !4979 from zhaodezan/master

Merge pull request !4942 from BowenK/master

Merge pull request !4861 from lixian/master

Merge pull request !4590 from qujianwei/master

Merge pull request !4968 from liuxiao93/fix-some-bug

Merge pull request !4972 from xutianchun/quant_0822

time_profile add fp16 option

Merge pull request !3957 from chenweifeng/strided_slice_dims_exceeds

Merge pull request !4931 from wukesong/add_shell