Merge pull request !1612 from kisnwang/add-cpu-stridedslice

Merge pull request !1257 from candanzg/implicit_type_conversion2

Merge pull request !1310 from baihuawei/cpu-lstm

Merge pull request !1265 from baihuawei/transpose

Merge pull request !1513 from zyli2020/refine_data_copy_in_multi_graph

Merge pull request !1531 from sunsuodong/multi_input

Signed-off-by: candanzg <zhangshucheng@huawei.com>

Merge pull request !1446 from liuxiao78/master

Merge pull request !1383 from amongo/KeepPrimAttrInCNode

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 !1216 from zhangdengcheng/master

Merge pull request !1426 from chengang/fix_pylint

Merge pull request !1422 from ZPaC/fix-multi-allreduce-calling-error

Merge pull request !1411 from liubuyu/master

Merge pull request !1339 from JichenZhao/layernorm_mean_var_shape

Merge pull request !1329 from ougongchang/master

add some unittest for summary operator

support ScalarSummary to record number type

Merge pull request !1348 from yihuaijie/master

Merge pull request !1320 from JichenZhao/applyrms_squaresumall_cumprod_reduceprod

Merge pull request !1331 from yoonlee666/master-deletedropout

Merge pull request !1280 from liubuyu/master

Merge pull request !1279 from gongchen/fix_custom_op_case

Merge pull request !1058 from sunsuodong/lstm_ops