From: Andrea Arcangeli <andrea@suse.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Bill Davidsen <davidsen@tmr.com>,
Mike Fedyk <mfedyk@matchmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: 2.4.19pre1aa1
Date: Sat, 2 Mar 2002 04:30:25 +0100 [thread overview]
Message-ID: <20020302043025.R4431@inspiron.random> (raw)
In-Reply-To: <20020302030615.G4431@inspiron.random> <E16gzG0-0005qt-00@the-village.bc.nu>
In-Reply-To: <E16gzG0-0005qt-00@the-village.bc.nu>
On Sat, Mar 02, 2002 at 02:28:20AM +0000, Alan Cox wrote:
> > On a very lowmem machine the rmap design shouldn't really make a sensible
> > difference, the smaller the amount of mapped VM, the less rmap can make
> > differences, period.
>
> It makes a big big difference on a low memory box. Try running xfce on
> a 24Mb box with the base 2.4.18, 2.4.18 + rmap12f and 2.4.18+aa. Thats
> a case where aa definitely loses and without other I/O patches being
hmm to fully evaluate this I'd need to have access to the exact two kernel
source tarballs that you compared (a diff against a known vanilla kernel
tree would be fine) and to know the way you measured the difference of
them while xfce was running (nominal performance/responsiveness/whatever?).
Andrea
next prev parent reply other threads:[~2002-03-02 3:33 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-27 12:50 2.4.19pre1aa1 Andrea Arcangeli
2002-02-28 22:11 ` 2.4.19pre1aa1 Bill Davidsen
2002-03-01 1:30 ` 2.4.19pre1aa1 Mike Fedyk
2002-03-01 3:26 ` 2.4.19pre1aa1 Bill Davidsen
2002-03-01 3:46 ` 2.4.19pre1aa1 Mike Fedyk
2002-03-01 12:51 ` 2.4.19pre1aa1 Rik van Riel
2002-03-01 18:37 ` 2.4.19pre1aa1 Mike Fedyk
2002-03-01 10:17 ` 2.4.19pre1aa1 Marco Colombo
2002-03-01 11:37 ` 2.4.19pre1aa1 Alan Cox
2002-03-02 2:06 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-02 2:28 ` 2.4.19pre1aa1 Alan Cox
2002-03-02 3:30 ` Andrea Arcangeli [this message]
2002-03-03 21:38 ` 2.4.19pre1aa1 Daniel Phillips
2002-03-04 0:49 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-04 1:46 ` 2.4.19pre1aa1 Daniel Phillips
2002-03-04 2:25 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-04 3:22 ` 2.4.19pre1aa1 Daniel Phillips
2002-03-04 12:41 ` 2.4.19pre1aa1 Rik van Riel
2002-03-04 14:05 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-04 14:23 ` 2.4.19pre1aa1 Rik van Riel
2002-03-04 16:10 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-04 16:28 ` 2.4.19pre1aa1 Rik van Riel
2002-03-04 16:59 ` 2.4.19pre1aa1 Martin J. Bligh
2002-03-04 18:18 ` 2.4.19pre1aa1 Stephan von Krawczynski
2002-03-04 18:41 ` 2.4.19pre1aa1 Stephan von Krawczynski
2002-03-04 18:46 ` 2.4.19pre1aa1 Martin J. Bligh
2002-03-04 22:06 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-04 23:03 ` 2.4.19pre1aa1 Samuel Ortiz
2002-03-05 11:23 ` 2.4.19pre1aa1 Stephan von Krawczynski
2002-03-05 17:35 ` 2.4.19pre1aa1 Samuel Ortiz
2002-03-05 0:12 ` 2.4.19pre1aa1 Rik van Riel
2002-03-05 6:21 ` 2.4.19pre1aa1 Martin J. Bligh
2002-03-04 21:37 ` 2.4.19pre1aa1 Rik van Riel
2002-03-04 18:19 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-04 18:56 ` 2.4.19pre1aa1 Martin J. Bligh
2002-03-04 22:25 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-04 23:09 ` 2.4.19pre1aa1 Gerrit Huizenga
2002-03-05 0:19 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 2:00 ` 2.4.19pre1aa1 Gerrit Huizenga
2002-03-04 22:38 ` 2.4.19pre1aa1 Daniel Phillips
2002-03-04 21:36 ` 2.4.19pre1aa1 Rik van Riel
2002-03-04 23:01 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-04 23:11 ` 2.4.19pre1aa1 Rik van Riel
2002-03-04 23:52 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 0:01 ` 2.4.19pre1aa1 Rik van Riel
2002-03-05 1:05 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 1:26 ` 2.4.19pre1aa1 Rik van Riel
2002-03-05 1:40 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 1:55 ` 2.4.19pre1aa1 Martin J. Bligh
2002-03-05 5:16 ` 2.4.19pre1aa1 Samuel Ortiz
2002-03-05 5:47 ` 2.4.19pre1aa1 Martin J. Bligh
2002-03-05 6:33 ` 2.4.19pre1aa1 Samuel Ortiz
2002-03-05 12:22 ` 2.4.19pre1aa1 Rik van Riel
2002-03-05 15:01 ` 2.4.19pre1aa1 Andrea Arcangeli
[not found] ` <Pine.LNX.4.44L.0203050921510.1413-100000@duckman.distro.conecti va>
2002-03-05 15:29 ` 2.4.19pre1aa1 Martin J. Bligh
2002-03-05 15:43 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 3:05 ` 2.4.19pre1aa1 Bill Davidsen
2002-03-05 8:35 ` 2.4.19pre1aa1 arjan
2002-03-05 12:41 ` 2.4.19pre1aa1 Rik van Riel
2002-03-05 15:10 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 16:57 ` 2.4.19pre1aa1 Rik van Riel
2002-03-05 18:26 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 18:30 ` 2.4.19pre1aa1 Arjan van de Ven
2002-03-05 19:12 ` 2.4.19pre1aa1 Andrew Morton
2002-03-05 23:03 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 23:05 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 23:24 ` 2.4.19pre1aa1 Andrew Morton
2002-03-05 23:37 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 23:51 ` 2.4.19pre1aa1 Andrew Morton
2002-03-06 0:09 ` 2.4.19pre1aa1 Daniel Phillips
2002-03-05 14:55 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-05 5:38 ` 2.4.19pre1aa1 Martin J. Bligh
2002-03-05 6:45 ` 2.4.19pre1aa1 David Lang
[not found] ` <200203021958.g22JwKq08818@Port.imtp.ilyichevsk.odessa.ua>
2002-03-02 20:47 ` 2.4.19pre1aa1 Andrea Arcangeli
2002-03-02 20:58 ` 2.4.19pre1aa1 Robert Love
2002-03-05 22:16 ` 2.4.19pre1aa1 Bill Davidsen
-- strict thread matches above, loose matches on Subject: below --
2002-02-28 2:57 2.4.19pre1aa1 rwhron
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