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

From: @jonwe
Reviewed-by: @robingrosman,@tom__chen,@robingrosman,@tom__chen
Signed-off-by: @tom__chen

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

From: @Somnus2020
Reviewed-by: @kingxian
Signed-off-by: @kingxian

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

From: @ouwenchang
Reviewed-by: @wuxuejian,@lilongfei15
Signed-off-by: @wuxuejian

From: @xuguoyang5566
Reviewed-by: @wuxuejian
Signed-off-by: @wuxuejian

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

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

From: @yepei6
Reviewed-by: @kisnwang,@kingxian
Signed-off-by: @kingxian

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

From: @xutianming1985
Reviewed-by: @liangchenghui,@c_34
Signed-off-by: @liangchenghui

From: @anrui-wang
Reviewed-by: 
Signed-off-by:

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

A minor change in sigmoidGradGrad operation (non-functional change).

From: @shibeiji
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

From: @ouwenchang
Reviewed-by: @wenkai_dist,@wangyue01
Signed-off-by: @wangyue01

From: @d00562747
Reviewed-by: 
Signed-off-by:

From: @caojian05
Reviewed-by: @wuxuejian,@oacjiewen
Signed-off-by: @wuxuejian

From: @anancds
Reviewed-by: @limingqi107,@cristoval
Signed-off-by:

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

From: @jiangzg001
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

From: @david-he91
Reviewed-by: @linqingke,@liangchenghui,@liangchenghui
Signed-off-by: @liangchenghui,@liangchenghui

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

From: @zhao_ting_v
Reviewed-by: @wuxuejian,@liangchenghui
Signed-off-by: @wuxuejian

From: @wangshuide2020
Reviewed-by: @liangchenghui,@linqingke
Signed-off-by: @liangchenghui

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