benchmarks: add compare script
benchmarks: add compare script

benfleis/tchannel,Zirpon/tchannel,vanloswang/tchannel,bunnyblue/tchannel,Zirpon/tchannel,hustxiaoc/tchannel,chenwenbin928/tchannel,sasa233/tchannel,savaki/tchannel,davewhat/tchannel,savaki/tchannel,i/tchannel,i/tchannel,RyanTech/tchannel,bunnyblue/tchannel,benfleis/tchannel,hustxiaoc/tchannel,chenwenbin928/tchannel,RyanTech/tchannel,benfleis/tchannel,hustxiaoc/tchannel,RyanTech/tchannel,savaki/tchannel,i/tchannel,vanloswang/tchannel,chenwenbin928/tchannel,davewhat/tchannel,Zirpon/tchannel,vanloswang/tchannel,bunnyblue/tchannel,sasa233/tchannel,sasa233/tchannel