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Date: Sat, 30 Apr 2022 10:27:29 -0700 From: Cong Wang <xiyou.wangcong@...il.com> To: Jakub Sitnicki <jakub@...udflare.com> Cc: Linux Kernel Network Developers <netdev@...r.kernel.org>, Cong Wang <cong.wang@...edance.com> Subject: Re: [Patch bpf-next v1 0/4] sockmap: some performance optimizations On Tue, Apr 26, 2022 at 2:33 AM Jakub Sitnicki <jakub@...udflare.com> wrote: > > On Sun, Apr 10, 2022 at 09:10 AM -07, Cong Wang wrote: > > From: Cong Wang <cong.wang@...edance.com> > > > > This patchset contains two optimizations for sockmap. The first one > > eliminates a skb_clone() and the second one eliminates a memset(). After > > this patchset, the throughput of UDP transmission via sockmap gets > > improved by 61%. > > That's a pretty exact number ;-) > > Is this a measurement from metrics collected from a production > enviroment, or were you using a synthetic benchmark? > > If it was the latter, would you be able to share the tooling? Sure, actually my colleague Jiang modified Cloudflare's TCP sockmap code for UDP, here is the link: https://github.com/Jiang1155/cloudflare-blog/tree/skmap-udp > > I'm looking at extending the fio net engine with sockmap support, so > that we can have a reference benchmark. It would be helpful to see which > sockmap setup scenarios are worth focusing on. > Sounds a good idea. Thanks.
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