benchmarks: return taking to no overhead
benchmarks: return taking to no overhead

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