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Date: Fri, 16 Apr 2010 23:25:33 +0200 From: Eric Dumazet <eric.dumazet@...il.com> To: Tom Herbert <therbert@...gle.com> Cc: David Miller <davem@...emloft.net>, netdev@...r.kernel.org Subject: Re: [PATCH v5] rfs: Receive Flow Steering Le vendredi 16 avril 2010 à 23:12 +0200, Eric Dumazet a écrit : > Le vendredi 16 avril 2010 à 13:42 -0700, Tom Herbert a écrit : > > On Fri, Apr 16, 2010 at 11:53 AM, Eric Dumazet <eric.dumazet@...il.com> wrote: > > > Le vendredi 16 avril 2010 à 11:35 -0700, Tom Herbert a écrit : > > >> Results with "tbench 16" on an 8 core Intel machine. > > >> > > >> No RPS/RFS: 2155 MB/sec > > >> RPS (0ff mask): 1700 MB/sec > > >> RFS: 1097 > > >> > > > > Blah, I mistakingly reported that... should have been: > > > > No RPS/RFS: 2155 MB/sec > > RPS (0ff mask): 1097 MB/sec > > RFS: 1700 MB/sec > > > > Sorry about that! > > > This was my expectation too, and what my "corrected" numbers show :-) > > But, I take it this is different in your results? > > > My results are on a "tbench 16" on an dual X5570 @ 2.93GHz. > (16 logical cpus) > > No RPS , no RFS : 4448.14 MB/sec > RPS : 2298.00 MB/sec (but lot of variation) > RFS : 2600 MB/sec > > Maybe my RFS setup is bad ? > (8192 flows) > Very strange, a second tbench-16 RFS=y run gave me 2134.08 MB/sec A third run gave me 1813.21 MB/sec A fourth run gave me 2472.91 MB/sec Hmm... -- 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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