Stop gradient when pool_type=='max'
Stop gradient when pool_type=='max'

chengduoZH/Paddle,QiJune/Paddle,luotao1/Paddle,jacquesqiao/Paddle,tensor-tang/Paddle,reyoung/Paddle,putcn/Paddle,reyoung/Paddle,QiJune/Paddle,Canpio/Paddle,lcy-seso/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,jacquesqiao/Paddle,pkuyym/Paddle,Canpio/Paddle,Canpio/Paddle,QiJune/Paddle,lcy-seso/Paddle,jacquesqiao/Paddle,putcn/Paddle,PaddlePaddle/Paddle,putcn/Paddle,pkuyym/Paddle,reyoung/Paddle,jacquesqiao/Paddle,tensor-tang/Paddle,luotao1/Paddle,Canpio/Paddle,luotao1/Paddle,putcn/Paddle,PaddlePaddle/Paddle,pkuyym/Paddle,QiJune/Paddle,putcn/Paddle,lcy-seso/Paddle,pkuyym/Paddle,luotao1/Paddle,putcn/Paddle,baidu/Paddle,luotao1/Paddle,luotao1/Paddle,reyoung/Paddle,chengduoZH/Paddle,pkuyym/Paddle,Canpio/Paddle,QiJune/Paddle,chengduoZH/Paddle,QiJune/Paddle,PaddlePaddle/Paddle,lcy-seso/Paddle,PaddlePaddle/Paddle,tensor-tang/Paddle,pkuyym/Paddle,chengduoZH/Paddle,baidu/Paddle,Canpio/Paddle,chengduoZH/Paddle,tensor-tang/Paddle,jacquesqiao/Paddle,lcy-seso/Paddle,reyoung/Paddle,jacquesqiao/Paddle,baidu/Paddle,tensor-tang/Paddle,Canpio/Paddle,reyoung/Paddle,PaddlePaddle/Paddle,baidu/Paddle,PaddlePaddle/Paddle,baidu/Paddle,Canpio/Paddle,lcy-seso/Paddle