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From: Matthias Andree <matthias.andree@stud.uni-dortmund.de>
To: linux-kernel@vger.kernel.org
Subject: Re: VM: 2.4.10 vs. 2.4.10-ac2 and qsort()
Date: Mon, 1 Oct 2001 22:35:40 +0200	[thread overview]
Message-ID: <20011001223540.B19559@emma1.emma.line.org> (raw)
In-Reply-To: <3.0.6.32.20011001203320.02381600@pop.tiscalinet.it> <Pine.LNX.4.33L.0110011604310.4835-100000@imladris.rielhome.conectiva>
In-Reply-To: <Pine.LNX.4.33L.0110011604310.4835-100000@imladris.rielhome.conectiva>

On Mon, 01 Oct 2001, Rik van Riel wrote:

> I'm not sure either, since qsort doesn't really have much
> locality of reference but just walks all over the place.
> 
> This is direct contrast with the basic assumption on which
> VM and CPU caches are built ;)
> 
> I wonder how eg. merge sort would perform ...

Just rip it off NetBSD and there you go. (FreeBSD's breaks on machines
like SPARC, NetBSD's does not.)

http://www.de.freebsd.org/cgi/cvsweb.cgi/basesrc/lib/libc/stdlib/merge.c?rev=1.10&cvsroot=netbsd

  parent reply	other threads:[~2001-10-02  1:07 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.33L.0110011604310.4835-100000@imladris.rielhome .conectiva>
2001-10-01 18:33 ` Lorenzo Allegrucci
2001-10-01 19:23   ` Rik van Riel
2001-10-01 19:42     ` Alan Cox
2001-10-01 19:44       ` Rik van Riel
2001-10-01 20:35     ` Matthias Andree [this message]
2001-10-01 21:31   ` Daniel Phillips
2001-10-01 21:50   ` Lorenzo Allegrucci
2001-10-05  0:03 Alexei Podtelezhnikov
2001-10-04 22:02 ` Rob Landley
2001-10-05  3:55   ` Alexei Podtelezhnikov
     [not found] <Pine.LNX.4.33.0110041618450.2582-100000@chemcca18.ucsd.edu >
2001-10-05 15:31 ` Lorenzo Allegrucci

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