Merge pull request !1370 from yihuaijie/master

Merge pull request !1215 from Xiaoda/change-succive-edges-order-and-add-checking

Merge pull request !1249 from heleiwang/hlw_gnn_data

Merge pull request !1347 from zyli2020/add_mem_swap_module_header

Merge pull request !1363 from zhangbuxue/Not_support_mixed_tensor_as_index_for_tensor_getitem_and_setitem

Merge pull request !1366 from jiangjinsheng/issue_invert

Merge pull request !1364 from zyli2020/fix_summary_bug

Merge pull request !1333 from jiangjinsheng/vm_erfc

Merge pull request !1344 from jiangjinsheng/issue_batchnorm_grad

Merge pull request !1338 from liuxiao/UnsortedSegmentMinD-UnsortedSegmentMin

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 !1358 from zhoufeng/link-child-graph-2

Merge pull request !1349 from ghzl/add-group-check-for-lars

Merge pull request !1345 from fary86/fix_bug_of_print_scalar

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

Merge pull request !1336 from Etone.Chan/Resnet50

Merge pull request !1352 from liyong126/mindrecord_fix_bug_I1HQUI

Merge pull request !1343 from jinyaohui/pylint1

Merge pull request !1343 from jinyaohui/pylint1

add support for MindRecord and TFRecord
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optimize tensorshape

optimize tensorshape and FlatIndex

TFRecord and MindRecord support for string tensor

Modify mem layout
Add new constructor
Add method Allocate

Change some GetMutableBuffer usages to AllocateBuffer