Create different handle for each device
Create different handle for each device

sinhrks/chainer,benob/chainer,elviswf/chainer,kuwa32/chainer,muupan/chainer,woodshop/chainer,cemoody/chainer,cupy/cupy,t-abe/chainer,tscohen/chainer,okuta/chainer,ikasumi/chainer,hvy/chainer,okuta/chainer,wkentaro/chainer,rezoo/chainer,wkentaro/chainer,okuta/chainer,anaruse/chainer,sou81821/chainer,niboshi/chainer,aonotas/chainer,cupy/cupy,kiyukuta/chainer,niboshi/chainer,ronekko/chainer,chainer/chainer,ktnyt/chainer,tereka114/chainer,chainer/chainer,yanweifu/chainer,jnishi/chainer,AlpacaDB/chainer,pfnet/chainer,nushio3/chainer,AlpacaDB/chainer,niboshi/chainer,ttakamura/chainer,ktnyt/chainer,sinhrks/chainer,niboshi/chainer,jnishi/chainer,laysakura/chainer,hidenori-t/chainer,wavelets/chainer,jnishi/chainer,nushio3/chainer,chainer/chainer,ktnyt/chainer,ytoyama/yans_chainer_hackathon,kashif/chainer,jfsantos/chainer,truongdq/chainer,kikusu/chainer,ysekky/chainer,1986ks/chainer,okuta/chainer,keisuke-umezawa/chainer,minhpqn/chainer,masia02/chainer,wkentaro/chainer,Kaisuke5/chainer,kikusu/chainer,delta2323/chainer,chainer/chainer,keisuke-umezawa/chainer,hvy/chainer,keisuke-umezawa/chainer,hvy/chainer,ttakamura/chainer,cupy/cupy,ktnyt/chainer,jnishi/chainer,keisuke-umezawa/chainer,umitanuki/chainer,t-abe/chainer,cupy/cupy,hvy/chainer,woodshop/complex-chainer,muupan/chainer,benob/chainer,bayerj/chainer,wkentaro/chainer,tigerneil/chainer,truongdq/chainer,tkerola/chainer