Merge pull request !3151 from liuxiao93/fix-BatchNorm2d

Merge pull request !3189 from JoyLvliang/reback-memory-pool-to-memory-offset

Merge pull request !3192 from hexia/fix_symbol

Merge pull request !3147 from yanzhenxiang2020/add_rnnt_cate_open.new

Merge pull request !3133 from liyong126/md_num_of_samples

Merge pull request !3046 from codesausage/master

Merge pull request !3188 from liubuyu/dev

Merge pull request !3171 from limingqi107/master

Merge pull request !3155 from caifubi/data-dump-new

Merge pull request !3184 from laiyongqiang/hcom_singleOutput

Merge pull request !3164 from vlne-v1/list_getitem-opt

Merge pull request !3114 from riemann_penn/coo_tensor

Merge pull request !3173 from kisnwang/fix-gpu-while

Merge pull request !3102 from nhussain/random_crop_fixes

Merge pull request !3169 from zhoufeng/xiu-ba-ge

Merge pull request !3115 from YuJianfeng/master

Merge pull request !3115 from YuJianfeng/master

Merge pull request !3153 from jinyaohui/all_reduce

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

Merge pull request !3156 from liuxiao93/ApplyMomentumD-ApplyMoment-GE

Merge pull request !3098 from wangnan39/sparse_optimizer_adapter_indexedslice

Merge pull request !3159 from wangqiuliang/replace-unsafe-function

Merge pull request !3135 from VectorSL/cast2

Merge pull request !3036 from jinyaohui/master

Merge pull request !3080 from vlne-v1/remove-redundant-phi

Merge pull request !3142 from caojian05/ms_master_dev

Merge pull request !3130 from vlne-v1/quant_op_depthwise

Merge pull request !3152 from yao_yf/reshape_ut_remove

Merge pull request !3148 from xiefangqi/cpp-api-windows-fix

Merge pull request !2989 from kisnwang/two-step-reduce-sparse-gradient