From: @liangzhibo
Reviewed-by: @chenfei52
Signed-off-by:

From: @ezphlow
Reviewed-by: @pandoublefeng,@heleiwang
Signed-off-by:

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

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

From: @huangxinjing
Reviewed-by: @stsuteng
Signed-off-by: @stsuteng

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

From: @alex-yuyue
Reviewed-by: 
Signed-off-by:

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

From: @liu_xiao_93
Reviewed-by: @liangchenghui,@c_34
Signed-off-by: @liangchenghui

From: @xulei2020
Reviewed-by: @heleiwang
Signed-off-by:

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

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

From: @yangzhenzhang
Reviewed-by: @xiaoda_zh,@cristoval
Signed-off-by:

From: @luoyang42
Reviewed-by: @nsyca,@pandoublefeng,@jonyguo
Signed-off-by: @jonyguo

From: @liu_xiao_93
Reviewed-by: @liangchenghui
Signed-off-by: @liangchenghui

From: @shallydeng
Reviewed-by: @zichun_ye,@sunnybeike
Signed-off-by: @sunnybeike

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

From: @jkl_lee
Reviewed-by: @mikef,@nsyca
Signed-off-by: @nsyca

fix test err

fix ci round 1

fix ci round 2

add col_order to batch_node

minor fix

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

Merge pull request !8248 from EricZ/helper_dep_removal

Merge pull request !8106 from kisnwang/add-cpu-adam-delta

Merge pull request !8138 from huangbingjian/fix_shape

Merge pull request !8280 from changzherui/add_export_grad_example

Merge pull request !8194 from nsyca/opt3

Merge pull request !8135 from luoyang/c-api-pyfunc