From: Pete Zaitcev <zaitcev@redhat.com>
To: linux-kernel@vger.kernel.org
Subject: Re: Tcp/ip offload card driver
Date: Fri, 10 May 2002 13:55:52 -0400 [thread overview]
Message-ID: <200205101755.g4AHtqw04422@devserv.devel.redhat.com> (raw)
In-Reply-To: <mailman.1021046154.26338.linux-kernel2news@redhat.com>
>[...]
> For example, do a SpecWEB run with TUX both using on-chip-TCP and
> without, same networking card. Show a demonstrable gain from the
> on-chip-TCP implementation. I bet you can't.
NO! Doing such a test sets you up for a failure. If a vendor
of the card provides an on-chip TCP, it is entirely in the
vendor's interest to penalize regular TCP (for example, by
failing to provide checksum offload or sane S/G segments).
I only consider fair a test of on-chip TCP compared to
the best of the normal NICs.
-- Pete
next parent reply other threads:[~2002-05-10 17:55 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.1021046154.26338.linux-kernel2news@redhat.com>
2002-05-10 17:55 ` Pete Zaitcev [this message]
2002-05-10 17:46 ` Tcp/ip offload card driver David S. Miller
2002-05-13 16:17 Woodruff, Robert J
[not found] <Pine.LNX.4.44.0205121335050.14675-100000@filesrv1.baby-dra gons.com>
2002-05-12 22:26 ` Lincoln Dale
[not found] <mailman.1021067221.3300.linux-kernel2news@redhat.com>
2002-05-12 2:46 ` Pete Zaitcev
-- strict thread matches above, loose matches on Subject: below --
2002-05-10 21:43 Woodruff, Robert J
2002-05-10 18:39 Nivedita Singhvi
2002-05-10 17:36 Nivedita Singhvi
2002-05-10 14:48 chen, xiangping
2002-05-10 14:43 ` David S. Miller
2002-05-10 15:11 ` Pedro M. Rodrigues
2002-05-10 15:04 ` David S. Miller
2002-05-10 16:59 ` Jesse Pollard
2002-05-11 22:23 ` Oliver Xymoron
2002-05-10 15:31 ` Jeff Garzik
2002-05-10 15:51 ` Nicholas Harring
2002-05-10 15:49 ` David S. Miller
2002-05-10 16:04 ` Nicholas Harring
2002-05-10 16:09 ` Joel Jaeggli
2002-05-12 0:55 ` john slee
2002-05-12 17:36 ` Mr. James W. Laferriere
2002-05-10 18:36 ` Eric W. Biederman
2002-05-10 16:02 ` Mark Hahn
2002-05-10 15:12 ` Jeff Garzik
2002-05-10 15:07 ` David S. Miller
2002-05-11 1:53 ` Lincoln Dale
2002-05-12 2:56 ` David S. Miller
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