Merge pull request !3655 from chenweifeng/broadcast_to

Merge pull request !3707 from chenweifeng/LayerNorm

box copying fix

common function for IOU

new sort func

final update + unit test

remove one comment

fix lintig -1

lint fix 2

lint fix 3

last lint fix

value fix in ST nms with mask

addressing comments

 pylint fix

 pylint fix 1

test file fix

Merge pull request !3341 from tom_chen/maxpool_with_argmax

Merge pull request !3394 from XunDeng/pp_poc_v3

Merge pull request !3352 from JonathanY/ROIAlignGrad

Merge pull request !3560 from peixu_ren/custom_gpu

Merge pull request !3453 from zichun_ye/resolve_attr_pr

update logic for cache

clean up code

add test cases for new api

update include of code

specify the resolve attr to ClassMember

avoid resolve attr of self

added cdf, logcdf, survival, logsurvival, entropy, mode, cross_entropy wrapper

Merge pull request !3511 from linqingke/new_ops

Merge pull request !3259 from baihuawei/automl

Merge pull request !3285 from linqingke/gpu_ops

Merge pull request !284 from yanzhenxiang2020/add_fused_sparse_incubator

Merge pull request !3201 from JonathanY/main

Merge pull request !3176 from 34bunny/GPU-ResizeNearestNeighbor

Merge pull request !3276 from qujianwei/master

Merge pull request !3230 from riemann_penn/add_bprop_for_sparse_tensor

Merge pull request !3220 from peixu_ren/custom_gpu

Merge pull request !3240 from VectorSL/update

Merge pull request !3198 from yanghaoran/code_sync_0718

Merge pull request !3166 from qujianwei/gpu-oneslike

Merge pull request !3147 from yanzhenxiang2020/add_rnnt_cate_open.new