Merge pull request !8087 from xutianchun/weight_1031

Merge pull request !8075 from yankai10/merge_1031

Merge pull request !8067 from sunsuodong/add_l2_norm_int8

Merge pull request !7950 from linqingke/gpu_ops

Merge pull request !8081 from yuchaojie/quant2

Merge pull request !8036 from chenweifeng/BnAddReluGrad-check

Merge pull request !8076 from zyli2020/init_in_server

Merge pull request !8083 from cjh9368/add_uint8_default_dtype

Merge pull request !8069 from ougongchang/fix_sinkmode

Merge pull request !8080 from pengyongrong/stack

Merge pull request !7781 from baihuawei/strideslice

Merge pull request !7468 from laiyongqiang/somas_online_commit

Merge pull request !8045 from wangdongxu6/thread_pool

Merge pull request !8068 from zhouyuanshen/gathergrad

Merge pull request !7963 from baihuawei/fixBCE

Merge pull request !8014 from lyvette/win2

Merge pull request !8061 from yuchaojie/quant

Merge pull request !7428 from wuxuejian/cpu_op

Merge pull request !8059 from lixiaohui33/feature_explain_core

Merge pull request !8039 from zhangbuxue/support_key_ward_way_to_pass_arg_for_outermost_net_in_graph_mode

Merge pull request !7381 from zhaoting/master

Merge pull request !8065 from xutianchun/quant_cast

Merge pull request !8026 from ZPaC/master-set-context-device-id

Merge pull request !8074 from liuwenhao/master

Merge pull request !8042 from VectorSL/fix-maxpoolgrad

Merge pull request !8062 from lihongkang/v2_master

Merge pull request !8057 from lyvette/check_master

Merge pull request !8000 from zhouyuanshen/gather

Merge pull request !8010 from yankai10/merge_1030

Merge pull request !8033 from jiangzhiwen/fix/remove_bool_divide

Merge pull request !7892 from DeshiChen/1028_nonscalar_tensor_to_input