Merge pull request !2866 from lilei/modify_loss_scale_annotation

Merge pull request !2873 from zhoufeng/xiu-ba-ge

Merge pull request !2871 from jiangjinsheng/issue_fix4

Merge pull request !2872 from wuxuejian/ctcloss_check

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

Merge pull request !2839 from jiangjinsheng/vm_population_count

Merge pull request !2857 from limingqi107/master

Merge pull request !2848 from xutianchun/crop_size_tuple

Merge pull request !2850 from yangyongjie/master

Merge pull request !2835 from baihuawei/gatherV2

Merge pull request !2861 from xychow/optimize-setparam-to-addparam

Merge pull request !2856 from ougongchang/fix_summary_record

Merge pull request !2851 from liuwenhao/pr_1949

Merge pull request !2809 from zhangbuxue/support_Python_built-in_functions_enumerate

Merge pull request !2847 from Kang/master

This reverts commit 4949f6ca.

Merge pull request !2843 from fanglei/trans_shape

Fixing some tiny mistake of InplaceAdd, InplaceSub and InplaceUpdate vm ops and apply new character of dynamic format

Merge pull request !2845 from zhoufeng/empty-graph-dump-ir

Merge pull request !2849 from dinghao/master

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

Merge pull request !2761 from chenfei_mindspore/split-real-inputs-to-reuse-args-and-not-reuse-args

Merge pull request !2837 from yuchaojie/transformer

Merge pull request !2749 from VectorSL/argmaxwithvalue

Add more detail note for SummaryCollector and SummaryRecord,
else if it is used not right, some proplem will be caused.

Merge pull request !2308 from TinaMengtingZhang/unskip-case-random-perspective

!2854 Debt Task - changing name 'input_cv->shape()[2]' to 'int num_channels' for dataset/kernels/image/Image_utils.cc
Merge pull request !2854 from danishnxt/AugOps-fix

Merge pull request !2774 from Alexey_Shevlyakov/fix_perf_data_test

Merge pull request !2853 from danishnxt/AugOps-fix

Merge pull request !2852 from islam_amin/object_ops_doc