From: William Lee Irwin III <wli@holomorphy.com>
To: rl@hellgate.ch, Rik van Riel <riel@redhat.com>,
Andrew Morton <akpm@osdl.org>, Andrea Arcangeli <andrea@suse.de>,
kernel@kolivas.org, chris@cvine.freeserve.co.uk,
linux-kernel@vger.kernel.org, mbligh@aracnet.com
Subject: Re: 2.6.0-test9 - poor swap performance on low end machines
Date: Thu, 18 Dec 2003 15:38:33 -0800 [thread overview]
Message-ID: <20031218233833.GE22443@holomorphy.com> (raw)
In-Reply-To: <20031218225324.GA24850@k3.hellgate.ch>
On Thu, Dec 18, 2003 at 11:53:25PM +0100, Roger Luethi wrote:
> Depends on the axis in your graph. The benchmarks I am using are not
> balancing on the verge of going bad, if that's what you mean. They
> cut deep (30 to 100 MB) into swap through most of their run time,
> and there's quite a bit of swap turnover with compiling stuff.
> I also completed a best effort attempt at determining the impact of
> any differences between mem= and actual RAM removal. I had to adapt
> the kbuild benchmark somewhat to the available hardware. I benchmarked
> with 48 MB RAM at mem=16M and again after removing 32MB of RAM. If there
> was a difference in performance, it was very small for both 2.4.23 and
> 2.6.0-test11, with the latter taking over 2.5 times as long to complete
> the benchmark.
A bogon was recently fixed in 2.6 that caused the results to differ.
They should not differ.
-- wli
prev parent reply other threads:[~2003-12-18 23:39 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-29 22:30 2.6.0-test9 - poor swap performance on low end machines Chris Vine
2003-10-31 3:57 ` Rik van Riel
2003-10-31 11:26 ` Roger Luethi
2003-10-31 12:37 ` Con Kolivas
2003-10-31 12:59 ` Roger Luethi
2003-10-31 12:55 ` Ed Tomlinson
2003-11-01 18:34 ` Pasi Savolainen
2003-11-06 18:40 ` bill davidsen
2003-10-31 21:52 ` Chris Vine
2003-11-02 23:06 ` Chris Vine
2003-11-03 0:48 ` Con Kolivas
2003-11-03 21:13 ` Chris Vine
2003-11-04 2:55 ` Con Kolivas
2003-11-04 22:08 ` Chris Vine
2003-11-04 22:30 ` Con Kolivas
2003-12-08 13:52 ` William Lee Irwin III
2003-12-08 14:23 ` Con Kolivas
2003-12-08 14:30 ` William Lee Irwin III
2003-12-09 21:03 ` Chris Vine
2003-12-13 14:08 ` Chris Vine
2003-12-08 19:49 ` Roger Luethi
2003-12-08 20:48 ` William Lee Irwin III
2003-12-09 0:27 ` Roger Luethi
2003-12-09 4:05 ` William Lee Irwin III
2003-12-09 15:11 ` Roger Luethi
2003-12-09 16:04 ` Rik van Riel
2003-12-09 16:31 ` Roger Luethi
2003-12-09 18:31 ` William Lee Irwin III
2003-12-09 19:38 ` William Lee Irwin III
2003-12-10 13:58 ` Roger Luethi
2003-12-10 17:47 ` William Lee Irwin III
2003-12-10 22:23 ` Roger Luethi
2003-12-11 0:12 ` William Lee Irwin III
2003-12-10 21:04 ` Rik van Riel
2003-12-10 23:17 ` Roger Luethi
2003-12-11 1:31 ` Rik van Riel
2003-12-11 10:16 ` Roger Luethi
2003-12-10 23:30 ` Helge Hafting
2003-12-10 21:52 ` Andrea Arcangeli
2003-12-10 22:05 ` Roger Luethi
2003-12-10 22:44 ` Andrea Arcangeli
2003-12-11 1:28 ` William Lee Irwin III
2003-12-11 1:32 ` Rik van Riel
2003-12-11 10:16 ` Roger Luethi
2003-12-15 23:31 ` Andrew Morton
2003-12-15 23:37 ` Andrea Arcangeli
2003-12-15 23:54 ` Andrew Morton
2003-12-16 0:17 ` Rik van Riel
2003-12-16 11:23 ` Roger Luethi
2003-12-16 16:29 ` Rik van Riel
2003-12-17 11:03 ` Roger Luethi
2003-12-17 11:06 ` William Lee Irwin III
2003-12-17 16:50 ` Roger Luethi
2003-12-17 11:33 ` Rik van Riel
2003-12-17 18:53 ` Rik van Riel
2003-12-17 19:27 ` William Lee Irwin III
2003-12-17 19:51 ` Rik van Riel
2003-12-17 19:49 ` Roger Luethi
2003-12-17 21:41 ` Andrew Morton
2003-12-17 21:41 ` Roger Luethi
2003-12-18 0:21 ` Rik van Riel
2003-12-18 22:53 ` Roger Luethi
2003-12-18 23:38 ` William Lee Irwin III [this message]
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