From: Daniel Phillips <phillips@arcor.de>
To: Andrew Morton <akpm@digeo.com>,
lkml <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"lse-tech@lists.sourceforge.net" <lse-tech@lists.sourceforge.net>
Subject: Re: 2.5.35-mm1
Date: Thu, 19 Sep 2002 09:51:02 +0200 [thread overview]
Message-ID: <E17rw5X-0000vG-00@starship> (raw)
In-Reply-To: <3D858515.ED128C76@digeo.com>
On Monday 16 September 2002 09:15, Andrew Morton wrote:
> A 4x performance regression in heavy dbench testing has been fixed. The
> VM was accidentally being fair to the dbench instances in page reclaim.
> It's better to be unfair so just a few instances can get ahead and submit
> more contiguous IO. It's a silly thing, but it's what I meant to do anyway.
Curious... did the performance hit show anywhere other than dbench?
--
Daniel
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next prev parent reply other threads:[~2002-09-19 7:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-16 7:15 2.5.35-mm1 Andrew Morton
2002-09-17 16:07 ` 2.5.35-mm1 Pavel Machek
2002-09-18 21:31 ` 2.5.35-mm1 Andrew Morton
2002-09-18 21:54 ` 2.5.35-mm1 Pavel Machek
2002-09-19 7:51 ` Daniel Phillips [this message]
2002-09-19 8:19 ` 2.5.35-mm1 Andrew Morton
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