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From: Christoph Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
To: "Atchley, Scott" <atchleyes-1Heg1YXhbW8@public.gmane.org>
Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: IPoIB performance
Date: Wed, 5 Sep 2012 19:06:14 +0000	[thread overview]
Message-ID: <0000013997d35848-57319f33-839b-4480-a075-53b36f67bfe2-000000@email.amazonses.com> (raw)
In-Reply-To: <78D8717C-0505-408B-8625-A9124AB33C9E-1Heg1YXhbW8@public.gmane.org>

On Wed, 5 Sep 2012, Atchley, Scott wrote:

> > AFAICT the network stack is useful up to 1Gbps and
> > after that more and more band-aid comes into play.
>
> Hmm, many 10G Ethernet NICs can reach line rate. I have not yet tested any 40G Ethernet NICs, but I hope that they will get close to line rate. If not, what is the point? ;-)

Oh yes they can under restricted circumstances. Large packets, multiple
cores etc. With the band-aids....

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  parent reply	other threads:[~2012-09-05 19:06 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-29 19:35 IPoIB performance Atchley, Scott
     [not found] ` <FFD82983-4A73-4A52-B6BE-C63DA16A507C-1Heg1YXhbW8@public.gmane.org>
2012-09-05 15:51   ` Christoph Lameter
     [not found]     ` <0000013997217ec3-f6e2593f-2ff8-408d-814e-0345582b31ca-000000-p/GC64/jrecnJqMo6gzdpkEOCMrvLtNR@public.gmane.org>
2012-09-05 17:09       ` Atchley, Scott
     [not found]         ` <3F476926-8618-4233-A150-C5D487B55C68-1Heg1YXhbW8@public.gmane.org>
2012-09-05 18:20           ` Christoph Lameter
     [not found]             ` <0000013997a928ab-36ad5a02-3c82-4daf-8e8a-a86c65e92376-000000-p/GC64/jrecnJqMo6gzdpkEOCMrvLtNR@public.gmane.org>
2012-09-05 18:30               ` Atchley, Scott
     [not found]                 ` <78D8717C-0505-408B-8625-A9124AB33C9E-1Heg1YXhbW8@public.gmane.org>
2012-09-05 19:06                   ` Christoph Lameter [this message]
     [not found]                     ` <0000013997d35848-57319f33-839b-4480-a075-53b36f67bfe2-000000-p/GC64/jrecnJqMo6gzdpkEOCMrvLtNR@public.gmane.org>
2012-09-05 19:48                       ` Atchley, Scott
     [not found]                         ` <E88DEA9F-416B-4663-A292-5780DFF9B641-1Heg1YXhbW8@public.gmane.org>
2012-09-05 19:53                           ` Christoph Lameter
2012-09-05 20:12                           ` Ezra Kissel
     [not found]                             ` <5047B23C.6080604-GZvvpLG7cYSVc3sceRu5cw@public.gmane.org>
2012-09-05 20:32                               ` Atchley, Scott
2012-09-05 19:13                   ` Christoph Lameter
     [not found]                     ` <0000013997da4014-44dda0e8-01f3-48b8-b0cd-fe41164d590c-000000-p/GC64/jrecnJqMo6gzdpkEOCMrvLtNR@public.gmane.org>
2012-09-05 19:52                       ` Atchley, Scott
     [not found]                         ` <F90894CF-B55C-4AF7-845C-279FDF44351E-1Heg1YXhbW8@public.gmane.org>
2012-09-05 20:26                           ` Christoph Lameter
2012-09-05 17:52       ` Reeted
2012-09-05 17:50   ` Reeted
     [not found]     ` <504790D8.7010307-9AbUPqfR1/2XDw4h08c5KA@public.gmane.org>
2012-09-05 17:59       ` Atchley, Scott
     [not found]         ` <64A9A0CD-00E0-4455-A641-324FA9BB8BC2-1Heg1YXhbW8@public.gmane.org>
2012-09-05 19:04           ` Reeted
     [not found]             ` <5047A233.2040602-9AbUPqfR1/2XDw4h08c5KA@public.gmane.org>
2012-09-05 19:46               ` Atchley, Scott

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