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From: Lorenzo Allegrucci <l.allegrucci@tiscalinet.it>
To: bert hubert <ahu@ds9a.nl>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: qsbench, interesting results
Date: Sun, 29 Sep 2002 21:56:35 +0200	[thread overview]
Message-ID: <200209292156.35518.l.allegrucci@tiscalinet.it> (raw)
In-Reply-To: <20020929162627.GA1270@outpost.ds9a.nl>

On Sunday 29 September 2002 18:26, you wrote:
> On Sun, Sep 29, 2002 at 04:15:24PM +0200, Lorenzo Allegrucci wrote:
> > qsbench is a VM benchmark based on sorting a large array
> > by quick sort.
> > http://web.tiscali.it/allegrucci/qsbench-1.0.0.tar.gz
> >
> > Below are some results of qsbench sorting a 350Mb array
> > on a 256+400Mb RAM+swap machine.
> > Tested kernels: 2.4.19, 2.5.38 and 2.5.39
> > All runs made with the same default seed, to compare
> > apples with apples :)
>
> Check if the seed is really identical.

It's set in the code, you can change it only using the "-s" option.

>Furthermore, can you check how much
> lowmem is actually available according to the dmesg output? It may be that
> your graphics adaptor is using ram in one kernel but not in another.

The memory available is about the same in all tests, and all
tests have been run in single user mode.


  reply	other threads:[~2002-09-29 19:53 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-29 14:15 Lorenzo Allegrucci
2002-09-29 16:26 ` bert hubert
2002-09-29 19:56   ` Lorenzo Allegrucci [this message]
2002-09-29 20:00     ` bert hubert
2002-09-29 21:05       ` Lorenzo Allegrucci
2002-09-30  5:57 ` Andrew Morton
2002-10-01 14:05   ` Daniel Phillips
2002-10-01 16:52     ` Rik van Riel
2002-10-01 17:03       ` Daniel Phillips
2002-10-01 17:13         ` Rik van Riel
2002-10-01 17:20           ` Daniel Phillips
2002-10-01 17:29             ` Rik van Riel
2002-10-01 17:38               ` Daniel Phillips
2002-10-01 18:18         ` Lorenzo Allegrucci
2002-10-01 17:15       ` Larry McVoy
2002-10-01 18:04     ` Andrew Morton
2002-10-01 18:20       ` Rik van Riel
2002-10-01 18:35       ` Daniel Phillips

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