Improve memory
Improve memory

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