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Date: Sun, 28 Sep 2014 17:35:30 +0300 From: Or Gerlitz <gerlitz.or@...il.com> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Alexei Starovoitov <ast@...mgrid.com>, "David S. Miller" <davem@...emloft.net>, Jesper Dangaard Brouer <brouer@...hat.com>, Eric Dumazet <edumazet@...gle.com>, John Fastabend <john.r.fastabend@...el.com>, Linux Netdev List <netdev@...r.kernel.org>, Amir Vadai <amirv@...lanox.com>, Or Gerlitz <or.gerlitz@...il.com>, saeedm@...lanox.com, Yevgeny Petrilin <yevgenyp@...lanox.com>, idos@...lanox.com Subject: Re: [PATCH net-next] mlx4: optimize xmit path On Sun, Sep 28, 2014 at 1:56 AM, Eric Dumazet <eric.dumazet@...il.com> wrote: > From: Eric Dumazet <edumazet@...gle.com> > > First I implemented skb->xmit_more support, and pktgen throughput > went from ~5Mpps to ~10Mpps. > > Then, looking closely at this driver I found false sharing problems that > should be addressed by this patch, as my pktgen now reaches 14.7 Mpps > on a single TX queue, with a burst factor of 8. > > So this patch in a whole permits to improve raw performance on a single > TX queue from about 5 Mpps to 14.7 Mpps. Eric, cool!! the team here will take a look this week. I assume we might want to break the fifteen changes into multiple patches... Thanks again for all your great work Or. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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