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

From: @zhoufeng54
Reviewed-by: @kisnwang,@xsmq
Signed-off-by:

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

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

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

From: @yanglf1121
Reviewed-by: @wuxuejian
Signed-off-by: @wuxuejian

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

changed default max_output_length to 1000000

change docstring

fix ci

change max_output_length to maxlen

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

From: @yuanwei66
Reviewed-by: @c_34,@wuxuejian
Signed-off-by: @wuxuejian

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

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

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

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

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

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

From: @xiaoyisd
Reviewed-by: @kisnwang,@zhoufeng54
Signed-off-by: @zhoufeng54

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

From: @he-botao
Reviewed-by: @c_34
Signed-off-by:

From: @dangjiaqi1
Reviewed-by: 
Signed-off-by: