From: "David S. Miller" <davem@redhat.com>
To: Andrew Morton <andrewm@uow.edu.au>
Cc: lkml <linux-kernel@vger.kernel.org>,
"netdev@oss.sgi.com" <netdev@oss.sgi.com>
Subject: Re: sendfile+zerocopy: fairly sexy (nothing to do with ECN)
Date: Tue, 30 Jan 2001 14:28:27 -0800 (PST) [thread overview]
Message-ID: <14967.16395.42967.978677@pizda.ninka.net> (raw)
In-Reply-To: <3A76D6A4.2385185E@uow.edu.au>
In-Reply-To: <3A76B72D.2DD3E640@uow.edu.au> <3A728475.34CF841@uow.edu.au> <3A726087.764CC02E@uow.edu.au> <20010126222003.A11994@vitelus.com> <14966.22671.446439.838872@pizda.ninka.net> <14966.47384.971741.939842@pizda.ninka.net> <3A76D6A4.2385185E@uow.edu.au>
Andrew Morton writes:
> The box has 130 mbyte/sec memory write bandwidth, so saving
> a copy should save 10% of this. (Wanders away, scratching
> head...)
Are you sure your measurment program will account properly
for all system cycles spent in softnet processing? This is
where the bulk of the cpu cycle savings will occur.
Later,
David S. Miller
davem@redhat.com
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next prev parent reply other threads:[~2001-01-30 22:30 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-27 5:45 Andrew Morton
2001-01-27 6:20 ` Aaron Lehmann
2001-01-27 8:19 ` Andrew Morton
2001-01-27 10:09 ` Ion Badulescu
2001-01-27 10:45 ` Andrew Morton
2001-01-30 6:00 ` David S. Miller
2001-01-30 12:44 ` Andrew Morton
2001-01-30 12:52 ` David S. Miller
2001-01-30 14:58 ` Andrew Morton
2001-01-30 17:49 ` Chris Wedgwood
2001-01-30 22:17 ` David S. Miller
2001-01-31 0:31 ` Chris Wedgwood
2001-01-31 0:45 ` David S. Miller
2001-01-30 22:28 ` David S. Miller [this message]
2001-01-30 23:34 ` Andrew Morton
2001-02-02 10:12 ` Andrew Morton
2001-02-02 12:14 ` Trond Myklebust
2001-02-02 17:51 ` David Lang
2001-02-02 22:46 ` David S. Miller
2001-02-02 22:57 ` David Lang
2001-02-03 2:27 ` James Sutherland
2001-02-02 23:09 ` David S. Miller
2001-02-02 23:13 ` David Lang
2001-02-02 23:28 ` Jeff Barrow
2001-02-02 23:31 ` David S. Miller
2001-01-27 10:05 ` Ion Badulescu
2001-01-27 10:39 ` Andrew Morton
2001-01-27 12:49 ` jamal
2001-01-30 1:06 ` Ion Badulescu
2001-01-30 2:48 ` jamal
2001-01-30 3:26 ` Ion Badulescu
2001-01-31 0:53 ` Still not sexy! (Re: " jamal
2001-01-31 0:59 ` Ingo Molnar
2001-01-31 1:04 ` jamal
2001-01-31 1:14 ` Ingo Molnar
2001-01-31 1:39 ` jamal
2001-01-31 11:21 ` Malcolm Beattie
2001-01-31 11:24 ` Ingo Molnar
2001-01-31 1:10 ` Still not sexy! (Re: sendfile+zerocopy: fairly sexy (nothing to dowith ECN) Rick Jones
2001-01-31 1:45 ` jamal
2001-01-31 2:25 ` Still not sexy! (Re: sendfile+zerocopy: fairly sexy (nothing todowith ECN) Rick Jones
2001-02-04 19:48 ` jamal
2001-02-05 18:51 ` Rick Jones
2001-02-05 5:13 ` David S. Miller
2001-01-27 12:43 ` sendfile+zerocopy: fairly sexy (nothing to do with ECN) jamal
2001-01-27 13:29 ` Andrew Morton
2001-01-27 14:15 ` jamal
2001-01-28 16:05 ` Andrew Morton
2001-01-29 18:50 ` Rick Jones
[not found] ` <200101271854.VAA02845@ms2.inr.ac.ru>
2001-01-28 5:34 ` Andrew Morton
2001-01-28 13:37 ` Felix von Leitner
2001-01-28 14:11 ` Dan Hollis
2001-01-28 14:27 ` Andi Kleen
2001-01-29 21:50 ` Pavel Machek
2001-01-28 19:43 ` Gregory Maxwell
2001-01-28 19:48 ` Choosing Linux NICs (was: Re: sendfile+zerocopy: fairly sexy (nothing to do with ECN)) Felix von Leitner
2001-01-29 16:16 sendfile+zerocopy: fairly sexy (nothing to do with ECN) Jonathan Earle
2001-01-29 16:34 ` Antonin Kral
2001-01-31 1:49 Bernd Eckenfels
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