Improve device
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Kaisuke5/chainer,niboshi/chainer,wkentaro/chainer,cemoody/chainer,minhpqn/chainer,ysekky/chainer,benob/chainer,wkentaro/chainer,ktnyt/chainer,laysakura/chainer,cupy/cupy,kashif/chainer,delta2323/chainer,sou81821/chainer,okuta/chainer,aonotas/chainer,keisuke-umezawa/chainer,niboshi/chainer,truongdq/chainer,muupan/chainer,keisuke-umezawa/chainer,sinhrks/chainer,tkerola/chainer,jnishi/chainer,hvy/chainer,jnishi/chainer,ronekko/chainer,chainer/chainer,cupy/cupy,kiyukuta/chainer,AlpacaDB/chainer,pfnet/chainer,okuta/chainer,cupy/cupy,keisuke-umezawa/chainer,jnishi/chainer,anaruse/chainer,chainer/chainer,sinhrks/chainer,chainer/chainer,jnishi/chainer,niboshi/chainer,kikusu/chainer,okuta/chainer,hvy/chainer,rezoo/chainer,t-abe/chainer,wkentaro/chainer,tigerneil/chainer,hvy/chainer,AlpacaDB/chainer,ytoyama/yans_chainer_hackathon,benob/chainer,wkentaro/chainer,tscohen/chainer,truongdq/chainer,keisuke-umezawa/chainer,cupy/cupy,1986ks/chainer,okuta/chainer,kikusu/chainer,hvy/chainer,ktnyt/chainer,ktnyt/chainer,muupan/chainer,niboshi/chainer,t-abe/chainer,ktnyt/chainer,chainer/chainer