Only return scatter_add gradients specified by indices
Only return scatter_add gradients specified by indices

jnishi/chainer,keisuke-umezawa/chainer,ktnyt/chainer,wkentaro/chainer,keisuke-umezawa/chainer,pfnet/chainer,chainer/chainer,okuta/chainer,okuta/chainer,anaruse/chainer,ktnyt/chainer,jnishi/chainer,niboshi/chainer,jnishi/chainer,niboshi/chainer,aonotas/chainer,jnishi/chainer,okuta/chainer,chainer/chainer,ktnyt/chainer,wkentaro/chainer,hvy/chainer,keisuke-umezawa/chainer,wkentaro/chainer,hvy/chainer,tkerola/chainer,niboshi/chainer,keisuke-umezawa/chainer,wkentaro/chainer,chainer/chainer,hvy/chainer,rezoo/chainer,ktnyt/chainer,okuta/chainer,niboshi/chainer,ronekko/chainer,chainer/chainer,hvy/chainer