Merge pull request !1443 from yangzhenzhang/add-sigmoid-op

Merge pull request !1490 from seatea/fix-pylint-warning

add another test case

typo

merge conflict

another PR changed testing behavior, updated test cases in this commit

added input check for use_sampler

addressed code review comments

fixed pylint, not related to my changes

updated UA parameter check, fixed PyLint errors.

fixed UA parameter validator bug

Updated UA C++ description

Changed py and cpp UA decorator names

Merge pull request !1466 from zhouneng/add_vm_support_Atan2_ExtractImagePatches

Merge pull request !1487 from sunsuodong/addn

Merge pull request !1484 from SanjayChan/mobilenet

Merge pull request !1483 from zhoufeng/code-clean

Merge pull request !1353 from yanzhenxiang2020/add_topk_datatype

Merge pull request !1474 from YuJianfeng/master

Merge pull request !1479 from liubuyu/master

Merge pull request !1452 from caojian05/ms_master_dev

remove stream id from membuf
add kernel dependence to determine whether is usable

Merge pull request !1476 from wenchunjiang/fix_reshape_type_bug

Merge pull request !1459 from zhoufeng/link-assign

modify infer to get abstract value and attr value map together

support get attr in specialize

clone primitive when specialize if attribute is not the same with
infered attribute

Merge pull request !1465 from h.farahat/fix_compilation_order

Merge pull request !1442 from zongha/master

Signed-off-by: zhoufeng <zhoufeng54@huawei.com>

Merge pull request !1464 from zjun/tensor_print

Merge pull request !1450 from zhaozhenlong/op/scatter-add-vm

Merge pull request !1469 from zhaozhenlong/fix-issue-smooth-l1-loss-grad-wrt-target

Merge pull request !1461 from SanjayChan/mobilenet

Merge pull request !1448 from heleiwang/fix_input_check

Merge pull request !1216 from zhangdengcheng/master