benchmarks: make compare.js support --multiProc
benchmarks: make compare.js support --multiProc

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