From: @chen_ying113
Reviewed-by: @gemini524,@wuxuejian,@liangchenghui
Signed-off-by: @wuxuejian

From: @yangzhenzhang
Reviewed-by: @kisnwang,@stsuteng
Signed-off-by: @stsuteng

changed all reduce axis to non-negative value

From: @wuxuejian
Reviewed-by: @c_34,@oacjiewen
Signed-off-by: @c_34

From: @yuzhenhua666
Reviewed-by: 
Signed-off-by:

From: @sishuikang
Reviewed-by: @zhanghaibo5,@zhang_xue_tong
Signed-off-by: @zhanghaibo5

From: @zhaodezan
Reviewed-by: 
Signed-off-by:

From: @lianliguang
Reviewed-by: @ginfung,@chujinjin
Signed-off-by: @chujinjin

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

From: @wangnan39
Reviewed-by: @kingxian,@zh_qh
Signed-off-by: @kingxian

From: @jachua
Reviewed-by: @guoqi1024,@liangchenghui
Signed-off-by: @liangchenghui

From: @lvchangquan
Reviewed-by: 
Signed-off-by:

From: @yangruoqi713
Reviewed-by: @zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhang_xue_tong

From: @chenfei52
Reviewed-by: @ginfung,@zh_qh
Signed-off-by: @zh_qh

From: @zhujingxuan
Reviewed-by: @wangchengyuan,@hangangqiang
Signed-off-by: @wangchengyuan

From: @zhujingxuan
Reviewed-by: 
Signed-off-by:

From: @fuzhiye
Reviewed-by: @zhang_xue_tong,@hangangqiang
Signed-off-by: @hangangqiang

From: @islam_amin
Reviewed-by: @yelihua,@ouwenchang
Signed-off-by: @ouwenchang

From: @limingqi107
Reviewed-by: 
Signed-off-by: