From: Jakub Kicinski <jakub.kicin...@netronome.com> Date: Fri, 6 Sep 2019 22:29:56 -0700
> Hi! > > This set brings small TLS TX device optimizations. The biggest > gain comes from fixing a misuse of non temporal copy instructions. > On a synthetic workload modelled after customer's RFC application > I see 3-5% percent gain. Series applied. But if history is any indication I'd watch for how much this actually helps or hurts universally. We once tried to use non-temporal stores for sendmsg/recvmsg copies and had to turn that off because it only helped in certain situations on certain cpus and hurt in others.
