modify executor binding for better memory sharing under new lstm example
modify executor binding for better memory sharing under new lstm example

apaleyes/mxnet,ZihengJiang/mxnet,TuSimple/mxnet,sergeykolychev/mxnet,luoyetx/mxnet,tornadomeet/mxnet,mbaijal/incubator-mxnet,likelyzhao/mxnet,leezu/mxnet,sxjscience/mxnet,rahul003/mxnet,ForkedReposBak/mxnet,solin319/incubator-mxnet,DR08/mxnet,jermainewang/mxnet,Guneet-Dhillon/mxnet,jennyzhang0215/incubator-mxnet,Prasad9/incubator-mxnet,weleen/mxnet,hesseltuinhof/mxnet,TuSimple/mxnet,mbaijal/incubator-mxnet,weleen/mxnet,antoan2/incubator-mxnet,LinkHS/incubator-mxnet,ptrendx/mxnet,zhreshold/mxnet,fullfanta/mxnet,Guneet-Dhillon/mxnet,danithaca/mxnet,jennyzhang0215/incubator-mxnet,crazy-cat/incubator-mxnet,antoan2/incubator-mxnet,thirdwing/mxnet,ZihengJiang/mxnet,jennyzhang0215/incubator-mxnet,pluskid/mxnet,rahul003/mxnet,apaleyes/mxnet,fullfanta/mxnet,kkk669/mxnet,luoyetx/mxnet,szha/mxnet,Guneet-Dhillon/mxnet,mbaijal/incubator-mxnet,EvanzzzZ/mxnet,coder-james/mxnet,smolix/incubator-mxnet,jermainewang/mxnet,Guneet-Dhillon/mxnet,rahul003/mxnet,eric-haibin-lin/mxnet,smolix/incubator-mxnet,hpi-xnor/BMXNet,kkk669/mxnet,weleen/mxnet,kevinthesun/mxnet,hpi-xnor/BMXNet,EvanzzzZ/mxnet,ShownX/incubator-mxnet,likelyzhao/mxnet,antoan2/incubator-mxnet,hpi-xnor/BMXNet,ForkedReposBak/mxnet,jiajiechen/mxnet,xcgoner/dist-mxnet,leezu/mxnet,CodingCat/mxnet,DR08/mxnet,kkk669/mxnet,jamesliu/mxnet,formath/mxnet,larroy/mxnet,ForkedReposBak/mxnet,szha/mxnet,Ldpe2G/mxnet,crazy-cat/incubator-mxnet,lxn2/mxnet,precedenceguo/mxnet,saurabh3949/mxnet,leezu/mxnet,piiswrong/mxnet,ShownX/incubator-mxnet,larroy/mxnet,Prasad9/incubator-mxnet,kevinthesun/mxnet,tlby/mxnet,jiajiechen/mxnet,Ldpe2G/mxnet,ShownX/incubator-mxnet,LinkHS/incubator-mxnet,kkk669/mxnet,jermainewang/mxnet,Prasad9/incubator-mxnet,hotpxl/mxnet,tlby/mxnet,luoyetx/mxnet,tornadomeet/mxnet,coder-james/mxnet,nicklhy/mxnet,jiajiechen/mxnet,mbaijal/incubator-mxnet,wangyum/mxnet,EvanzzzZ/mxnet,vikingMei/mxnet,tlby/mxnet,kevinthesun/mxnet,jamesliu/mxnet,saurabh3949/mxnet,nicklhy/mxnet,rahul003/mxnet,madjam/mxnet,wangyum/mxnet,indhub/mxnet,tornadomeet/mxnet,danithaca/mxnet,stefanhenneking/mxnet,tornadomeet/mxnet,smolix/incubator-mxnet,yuruofeifei/mxnet,ykim362/mxnet,sergeykolychev/mxnet,piiswrong/mxnet,reminisce/mxnet,formath/mxnet,gautamkmr/incubator-mxnet,smolix/incubator-mxnet,larroy/mxnet,solin319/incubator-mxnet,yuruofeifei/mxnet,likelyzhao/mxnet,DickJC123/mxnet,mbaijal/incubator-mxnet,formath/mxnet,ForkedReposBak/mxnet,reminisce/mxnet,precedenceguo/mxnet,TuSimple/mxnet,hesseltuinhof/mxnet,larroy/mxnet,weleen/mxnet,dmlc/mxnet,kevinthesun/mxnet,yajiedesign/mxnet,TuSimple/mxnet,kkk669/mxnet,antoan2/incubator-mxnet,vikingMei/mxnet,nicklhy/mxnet,CodingCat/mxnet,larroy/mxnet,arikpoz/mxnet,jamesliu/mxnet,hpi-xnor/BMXNet,smolix/incubator-mxnet,ForkedReposBak/mxnet,crazy-cat/incubator-mxnet,reminisce/mxnet,antoan2/incubator-mxnet,yuruofeifei/mxnet,ptrendx/mxnet,jermainewang/mxnet,LinkHS/incubator-mxnet,xcgoner/dist-mxnet,Ldpe2G/mxnet,likelyzhao/mxnet,gautamkmr/incubator-mxnet,wangyum/mxnet,DR08/mxnet,ptrendx/mxnet,rahul003/mxnet,weleen/mxnet,sxjscience/mxnet,stefanhenneking/mxnet,xcgoner/dist-mxnet,pluskid/mxnet,reminisce/mxnet,sergeykolychev/mxnet,danithaca/mxnet,apaleyes/mxnet,Northrend/mxnet,thirdwing/mxnet,thirdwing/mxnet,vikingMei/mxnet,dmlc/mxnet,tornadomeet/mxnet,yuruofeifei/mxnet,fullfanta/mxnet,vikingMei/mxnet,larroy/mxnet,kkk669/mxnet,TuSimple/mxnet,szha/mxnet,ForkedReposBak/mxnet,gautamkmr/incubator-mxnet,reminisce/mxnet,yajiedesign/mxnet,rishita/mxnet,indhub/mxnet,piiswrong/mxnet,jermainewang/mxnet,apache/incubator-mxnet,gautamkmr/incubator-mxnet,wangyum/mxnet,LinkHS/incubator-mxnet,Northrend/mxnet,yajiedesign/mxnet,xcgoner/dist-mxnet,pluskid/mxnet,stefanhenneking/mxnet,tlby/mxnet,pluskid/mxnet,solin319/incubator-mxnet,luoyetx/mxnet,sergeykolychev/mxnet,CodingCat/mxnet,Mega-DatA-Lab/mxnet,DR08/mxnet,solin319/incubator-mxnet,Ldpe2G/mxnet,saurabh3949/mxnet,jennyzhang0215/incubator-mxnet,Guneet-Dhillon/mxnet,CodingCat/mxnet,sxjscience/mxnet,Northrend/mxnet,arikpoz/mxnet,rahul003/mxnet,ykim362/mxnet,zhreshold/mxnet,szha/mxnet,ShownX/incubator-mxnet,ShownX/incubator-mxnet,rishita/mxnet,LinkHS/incubator-mxnet,precedenceguo/mxnet,EvanzzzZ/mxnet,eric-haibin-lin/mxnet,tornadomeet/mxnet,saurabh3949/mxnet,nicklhy/mxnet,rishita/mxnet,precedenceguo/mxnet,sxjscience/mxnet,Ldpe2G/mxnet,precedenceguo/mxnet,solin319/incubator-mxnet,hesseltuinhof/mxnet,leezu/mxnet,antoan2/incubator-mxnet,jermainewang/mxnet,szha/mxnet,ykim362/mxnet,vikingMei/mxnet,xcgoner/dist-mxnet,tlby/mxnet,Northrend/mxnet,ptrendx/mxnet,ZihengJiang/mxnet,saurabh3949/mxnet,hesseltuinhof/mxnet,stefanhenneking/mxnet,lxn2/mxnet,EvanzzzZ/mxnet,sergeykolychev/mxnet,mbaijal/incubator-mxnet,solin319/incubator-mxnet,LinkHS/incubator-mxnet,eric-haibin-lin/mxnet,coder-james/mxnet,arank/mxnet,kevinthesun/mxnet,pluskid/mxnet,jamesliu/mxnet,dmlc/mxnet,weleen/mxnet,EvanzzzZ/mxnet,jamesliu/mxnet,pluskid/mxnet,weleen/mxnet,fullfanta/mxnet,saurabh3949/mxnet,Ldpe2G/mxnet,tlby/mxnet,EvanzzzZ/mxnet,DickJC123/mxnet,szha/mxnet,tlby/mxnet,hotpxl/mxnet,navrasio/mxnet,crazy-cat/incubator-mxnet,antoan2/incubator-mxnet,TuSimple/mxnet,leezu/mxnet,ptrendx/mxnet,rishita/mxnet,navrasio/mxnet,vikingMei/mxnet,tlby/mxnet,hotpxl/mxnet,Ldpe2G/mxnet,zhreshold/mxnet,Prasad9/incubator-mxnet,EvanzzzZ/mxnet,Northrend/mxnet,coder-james/mxnet,mbaijal/incubator-mxnet,LinkHS/incubator-mxnet,solin319/incubator-mxnet,jamesliu/mxnet,danithaca/mxnet,DickJC123/mxnet,madjam/mxnet,solin319/incubator-mxnet,jennyzhang0215/incubator-mxnet,danithaca/mxnet,jennyzhang0215/incubator-mxnet,eric-haibin-lin/mxnet,nicklhy/mxnet,madjam/mxnet,ZihengJiang/mxnet,Mega-DatA-Lab/mxnet,navrasio/mxnet,ykim362/mxnet,navrasio/mxnet,ShownX/incubator-mxnet,jermainewang/mxnet,formath/mxnet,hotpxl/mxnet,ptrendx/mxnet,leezu/mxnet,arikpoz/mxnet,gautamkmr/incubator-mxnet,rishita/mxnet,arank/mxnet,indhub/mxnet,formath/mxnet,thirdwing/mxnet,likelyzhao/mxnet,kevinthesun/mxnet,CodingCat/mxnet,piiswrong/mxnet,pluskid/mxnet,yuruofeifei/mxnet,hesseltuinhof/mxnet,saurabh3949/mxnet,szha/mxnet,crazy-cat/incubator-mxnet,TuSimple/mxnet,ShownX/incubator-mxnet,Mega-DatA-Lab/mxnet,nicklhy/mxnet,lxn2/mxnet,antoan2/incubator-mxnet,jennyzhang0215/incubator-mxnet,lxn2/mxnet,fullfanta/mxnet,Prasad9/incubator-mxnet,fullfanta/mxnet,piiswrong/mxnet,indhub/mxnet,CodingCat/mxnet,likelyzhao/mxnet,hesseltuinhof/mxnet,rishita/mxnet,ptrendx/mxnet,TuSimple/mxnet,ZihengJiang/mxnet,sxjscience/mxnet,yajiedesign/mxnet,precedenceguo/mxnet,zhreshold/mxnet,indhub/mxnet,indhub/mxnet,leezu/mxnet,smolix/incubator-mxnet,Mega-DatA-Lab/mxnet,Ldpe2G/mxnet,piiswrong/mxnet,DickJC123/mxnet,eric-haibin-lin/mxnet,rishita/mxnet,arikpoz/mxnet,Ldpe2G/mxnet,eric-haibin-lin/mxnet,smolix/incubator-mxnet,xcgoner/dist-mxnet,mbaijal/incubator-mxnet,stefanhenneking/mxnet,arikpoz/mxnet,jennyzhang0215/incubator-mxnet,sxjscience/mxnet,Guneet-Dhillon/mxnet,ptrendx/mxnet,apache/incubator-mxnet,apaleyes/mxnet,apaleyes/mxnet,yajiedesign/mxnet,apaleyes/mxnet,hotpxl/mxnet,tornadomeet/mxnet,eric-haibin-lin/mxnet,jennyzhang0215/incubator-mxnet,crazy-cat/incubator-mxnet,thirdwing/mxnet,apaleyes/mxnet,dmlc/mxnet,larroy/mxnet,hotpxl/mxnet,CodingCat/mxnet,xcgoner/dist-mxnet,luoyetx/mxnet,jiajiechen/mxnet,likelyzhao/mxnet,indhub/mxnet,reminisce/mxnet,arikpoz/mxnet,formath/mxnet,indhub/mxnet,navrasio/mxnet,mbaijal/incubator-mxnet,dmlc/mxnet,danithaca/mxnet,piiswrong/mxnet,formath/mxnet,szha/mxnet,gautamkmr/incubator-mxnet,saurabh3949/mxnet,ZihengJiang/mxnet,yuruofeifei/mxnet,jermainewang/mxnet,danithaca/mxnet,stefanhenneking/mxnet,ykim362/mxnet,smolix/incubator-mxnet,madjam/mxnet,ykim362/mxnet,navrasio/mxnet,dmlc/mxnet,luoyetx/mxnet,sxjscience/mxnet,arikpoz/mxnet,madjam/mxnet,hpi-xnor/BMXNet,hotpxl/mxnet,LinkHS/incubator-mxnet,sxjscience/mxnet,hpi-xnor/BMXNet,Prasad9/incubator-mxnet,luoyetx/mxnet,ShownX/incubator-mxnet,jiajiechen/mxnet,EvanzzzZ/mxnet,ShownX/incubator-mxnet,precedenceguo/mxnet,rahul003/mxnet,DR08/mxnet,apache/incubator-mxnet,ForkedReposBak/mxnet,Mega-DatA-Lab/mxnet,wangyum/mxnet,yuruofeifei/mxnet,gautamkmr/incubator-mxnet,ZihengJiang/mxnet,yuruofeifei/mxnet,dmlc/mxnet,thirdwing/mxnet,arank/mxnet,xcgoner/dist-mxnet,formath/mxnet,TuSimple/mxnet,hpi-xnor/BMXNet,xcgoner/dist-mxnet,Northrend/mxnet,zhreshold/mxnet,thirdwing/mxnet,thirdwing/mxnet,leezu/mxnet,luoyetx/mxnet,stefanhenneking/mxnet,reminisce/mxnet,tlby/mxnet,arank/mxnet,rishita/mxnet,jamesliu/mxnet,gautamkmr/incubator-mxnet,zhreshold/mxnet,yuruofeifei/mxnet,madjam/mxnet,nicklhy/mxnet,Prasad9/incubator-mxnet,stefanhenneking/mxnet,yajiedesign/mxnet,lxn2/mxnet,crazy-cat/incubator-mxnet,crazy-cat/incubator-mxnet,vikingMei/mxnet,likelyzhao/mxnet,piiswrong/mxnet,precedenceguo/mxnet,hpi-xnor/BMXNet,arank/mxnet,madjam/mxnet,rishita/mxnet,fullfanta/mxnet,nicklhy/mxnet,reminisce/mxnet,precedenceguo/mxnet,Guneet-Dhillon/mxnet,lxn2/mxnet,navrasio/mxnet,apaleyes/mxnet,zhreshold/mxnet,crazy-cat/incubator-mxnet,tornadomeet/mxnet,kkk669/mxnet,fullfanta/mxnet,formath/mxnet,sergeykolychev/mxnet,ForkedReposBak/mxnet,pluskid/mxnet,hesseltuinhof/mxnet,sergeykolychev/mxnet,ykim362/mxnet,zhreshold/mxnet,LinkHS/incubator-mxnet,hotpxl/mxnet,Northrend/mxnet,vikingMei/mxnet,antoan2/incubator-mxnet,larroy/mxnet,piiswrong/mxnet,eric-haibin-lin/mxnet,DR08/mxnet,arank/mxnet,saurabh3949/mxnet,jiajiechen/mxnet,sergeykolychev/mxnet,madjam/mxnet,likelyzhao/mxnet,kkk669/mxnet,tornadomeet/mxnet,ZihengJiang/mxnet,danithaca/mxnet,Northrend/mxnet,eric-haibin-lin/mxnet,lxn2/mxnet,leezu/mxnet,solin319/incubator-mxnet,reminisce/mxnet,arikpoz/mxnet,TuSimple/mxnet,gautamkmr/incubator-mxnet,kevinthesun/mxnet,arank/mxnet,jiajiechen/mxnet,dmlc/mxnet,jermainewang/mxnet,indhub/mxnet,stefanhenneking/mxnet,Guneet-Dhillon/mxnet,wangyum/mxnet,dmlc/mxnet,yajiedesign/mxnet,arikpoz/mxnet,CodingCat/mxnet,rahul003/mxnet,coder-james/mxnet,yajiedesign/mxnet,apache/incubator-mxnet,jiajiechen/mxnet,luoyetx/mxnet,lxn2/mxnet,nicklhy/mxnet,coder-james/mxnet,hpi-xnor/BMXNet,zhreshold/mxnet,tlby/mxnet,lxn2/mxnet,reminisce/mxnet,ForkedReposBak/mxnet,wangyum/mxnet,thirdwing/mxnet,hesseltuinhof/mxnet,navrasio/mxnet,szha/mxnet,kevinthesun/mxnet,coder-james/mxnet,DR08/mxnet,smolix/incubator-mxnet,rahul003/mxnet,larroy/mxnet,ptrendx/mxnet,wangyum/mxnet,jamesliu/mxnet,arank/mxnet,ptrendx/mxnet,kevinthesun/mxnet,navrasio/mxnet,fullfanta/mxnet,arank/mxnet,sergeykolychev/mxnet,ykim362/mxnet,Prasad9/incubator-mxnet,Prasad9/incubator-mxnet,wangyum/mxnet,vikingMei/mxnet,pluskid/mxnet,Guneet-Dhillon/mxnet,hotpxl/mxnet,DR08/mxnet,DR08/mxnet,Mega-DatA-Lab/mxnet,Northrend/mxnet,kkk669/mxnet,danithaca/mxnet,weleen/mxnet,weleen/mxnet,Mega-DatA-Lab/mxnet,coder-james/mxnet,sxjscience/mxnet,Mega-DatA-Lab/mxnet,jiajiechen/mxnet,madjam/mxnet,ZihengJiang/mxnet,hesseltuinhof/mxnet,coder-james/mxnet,yajiedesign/mxnet,apaleyes/mxnet,CodingCat/mxnet,Mega-DatA-Lab/mxnet,jamesliu/mxnet,ykim362/mxnet