Split concat test
Split concat test

hvy/chainer,okuta/chainer,masia02/chainer,jnishi/chainer,muupan/chainer,sou81821/chainer,jnishi/chainer,t-abe/chainer,niboshi/chainer,wkentaro/chainer,t-abe/chainer,niboshi/chainer,ysekky/chainer,wkentaro/chainer,Kaisuke5/chainer,okuta/chainer,jnishi/chainer,cupy/cupy,wkentaro/chainer,cemoody/chainer,woodshop/chainer,AlpacaDB/chainer,keisuke-umezawa/chainer,tkerola/chainer,kikusu/chainer,ktnyt/chainer,woodshop/complex-chainer,rezoo/chainer,ytoyama/yans_chainer_hackathon,kuwa32/chainer,kashif/chainer,laysakura/chainer,cupy/cupy,tscohen/chainer,ronekko/chainer,hvy/chainer,wavelets/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,delta2323/chainer,sinhrks/chainer,wkentaro/chainer,umitanuki/chainer,truongdq/chainer,anaruse/chainer,keisuke-umezawa/chainer,pfnet/chainer,ktnyt/chainer,benob/chainer,elviswf/chainer,minhpqn/chainer,ikasumi/chainer,aonotas/chainer,kiyukuta/chainer,sinhrks/chainer,ktnyt/chainer,cupy/cupy,niboshi/chainer,yanweifu/chainer,okuta/chainer,ktnyt/chainer,benob/chainer,chainer/chainer,chainer/chainer,hvy/chainer,muupan/chainer,AlpacaDB/chainer,cupy/cupy,chainer/chainer,1986ks/chainer,chainer/chainer,hidenori-t/chainer,okuta/chainer,tigerneil/chainer,kikusu/chainer,hvy/chainer,jnishi/chainer,niboshi/chainer,truongdq/chainer