Add ParallelUpdater to the reference
Add ParallelUpdater to the reference

kiyukuta/chainer,niboshi/chainer,aonotas/chainer,chainer/chainer,niboshi/chainer,chainer/chainer,delta2323/chainer,cupy/cupy,cupy/cupy,niboshi/chainer,wkentaro/chainer,rezoo/chainer,okuta/chainer,okuta/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,jnishi/chainer,pfnet/chainer,ktnyt/chainer,chainer/chainer,tkerola/chainer,ysekky/chainer,jnishi/chainer,hvy/chainer,kashif/chainer,hvy/chainer,wkentaro/chainer,hvy/chainer,okuta/chainer,niboshi/chainer,jnishi/chainer,ktnyt/chainer,anaruse/chainer,jnishi/chainer,ktnyt/chainer,ktnyt/chainer,ronekko/chainer,cupy/cupy,hvy/chainer,wkentaro/chainer,wkentaro/chainer,okuta/chainer,kikusu/chainer,keisuke-umezawa/chainer,chainer/chainer,kikusu/chainer,cupy/cupy,keisuke-umezawa/chainer