From: "David S. Miller" <davem@davemloft.net>
To: torvalds@osdl.org
Cc: piet@bluelane.com, axboe@suse.de, diegocg@gmail.com,
linux-kernel@vger.kernel.org
Subject: Re: Linux 2.6.17-rc2
Date: Thu, 20 Apr 2006 17:41:20 -0700 (PDT) [thread overview]
Message-ID: <20060420.174120.70279722.davem@davemloft.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0604201512070.3701@g5.osdl.org>
From: Linus Torvalds <torvalds@osdl.org>
Date: Thu, 20 Apr 2006 15:20:14 -0700 (PDT)
> I claim that Mach people (and apparently FreeBSD) are incompetent idiots.
> Playing games with VM is bad. memory copies are _also_ bad, but quite
> frankly, memory copies often have _less_ downside than VM games, and
> bigger caches will only continue to drive that point home.
Yep.
And as I've documented several times on this list already, this
and research in that area is very well documented in standard
texts such as Networking Algorithmics by George Varghese,
particularly in Chapter 5 "Copying Data"
TLB games are dumb, just say no.
next prev parent reply other threads:[~2006-04-21 0:41 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-19 3:27 Linus Torvalds
2006-04-19 7:30 ` [patch, 2.6.17-rc2] dm: fix typo Ingo Molnar
2006-04-19 7:33 ` Ingo Molnar
2006-04-19 18:00 ` Linux 2.6.17-rc2 Diego Calleja
2006-04-19 18:04 ` Hua Zhong
2006-04-19 19:40 ` splice and tee [was Linux 2.6.17-rc2] Jonathan Corbet
2006-04-19 18:44 ` Linux 2.6.17-rc2 Linus Torvalds
2006-04-19 19:20 ` Grzegorz Kulewski
2006-04-19 20:09 ` Linus Torvalds
2006-04-19 21:23 ` Trond Myklebust
2006-04-19 21:49 ` Linus Torvalds
2006-04-19 22:19 ` Peter Naulls
2006-04-20 13:21 ` Diego Calleja
2006-04-20 14:50 ` Jens Axboe
2006-04-20 15:32 ` Linus Torvalds
2006-04-20 19:19 ` Jens Axboe
2006-04-20 18:40 ` Linh Dang
2006-04-20 19:49 ` Jens Axboe
2006-04-20 19:57 ` Linh Dang
2006-04-20 20:02 ` Nick Piggin
2006-04-21 7:53 ` Jens Axboe
2006-04-20 20:08 ` Jens Axboe
2006-04-20 19:26 ` David S. Miller
2006-04-20 19:34 ` Jens Axboe
2006-04-20 19:39 ` David S. Miller
2006-04-20 19:44 ` Jens Axboe
2006-04-20 19:54 ` Nick Piggin
2006-04-20 21:37 ` Piet Delaney
2006-04-20 22:20 ` Linus Torvalds
2006-04-20 23:39 ` Piet Delaney
2006-04-21 0:09 ` Linus Torvalds
2006-04-20 23:26 ` David Lang
2006-04-21 0:49 ` David S. Miller
2006-04-22 4:52 ` Troy Benjegerdes
2006-04-21 0:41 ` David S. Miller [this message]
2006-04-21 17:58 ` Linus Torvalds
2006-04-21 18:15 ` Steven Rostedt
2006-04-21 18:42 ` Steven Rostedt
2006-04-21 0:20 ` David S. Miller
2006-04-21 2:05 ` Andi Kleen
2006-04-21 6:47 ` Piet Delaney
2006-04-20 16:24 ` Ingo Oeser
2006-04-20 19:52 ` splice(), vmsplice() niftiness [was: Re: Linux 2.6.17-rc2] bjd
2006-04-21 10:21 ` Linux 2.6.17-rc2 Alistair John Strachan
2006-04-21 16:40 ` Linus Torvalds
2006-04-21 17:21 ` Stephen Rothwell
2006-04-21 22:02 ` Andi Kleen
2006-04-22 0:53 ` Alistair John Strachan
2006-04-22 1:07 ` Andi Kleen
2006-04-22 13:21 ` Alistair John Strachan
2006-04-21 11:01 ` Linux 2.6.17-rc2 - notifier chain problem? Herbert Poetzl
2006-04-21 21:31 ` Chandra Seetharaman
2006-04-22 0:58 ` Herbert Poetzl
2006-04-24 21:26 ` Chandra Seetharaman
2006-04-24 22:03 ` Andrew Morton
2006-04-24 23:01 ` Chandra Seetharaman
2006-04-24 23:28 ` Andrew Morton
2006-04-25 0:19 ` Chandra Seetharaman
2006-04-26 15:49 ` Alan Stern
2006-04-26 18:18 ` Chandra Seetharaman
2006-04-26 18:43 ` Andrew Morton
2006-04-26 19:29 ` Ashok Raj
2006-04-26 20:21 ` Chandra Seetharaman
2006-04-26 20:26 ` Ashok Raj
2006-04-28 23:12 ` Chandra Seetharaman
2006-04-28 23:23 ` Andrew Morton
2006-04-28 23:33 ` Linus Torvalds
2006-04-28 23:48 ` Chandra Seetharaman
2006-04-28 23:43 ` Chandra Seetharaman
2006-04-29 15:30 ` Alan Stern
2006-04-22 6:40 ` Keith Owens
[not found] <63bym-4wt-3@gated-at.bofh.it>
[not found] ` <64eE4-1gP-15@gated-at.bofh.it>
[not found] ` <64eX5-1RE-13@gated-at.bofh.it>
[not found] ` <64wre-2cg-35@gated-at.bofh.it>
2006-04-24 4:42 ` Linux 2.6.17-rc2 Robert Hancock
2006-04-24 13:08 ` Alistair John Strachan
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