Subject: Re: 'NetBSD Sets Internet2 Land Speed World Record' says /.
To: Paul Andre <email@example.com>
From: Jochen Kunz <firstname.lastname@example.org>
Date: 05/07/2004 10:02:51
On 07 May 2004 09:05:04 +0200
Paul Andre <email@example.com> wrote:
> > The problem is: You need buses that support the bandwith. As I know
> > the limitig factor on this test setup was the bus throughput of the
> > machines.
> Or the memory bandwidth.=20
Yes. But typically the memory bandwidth is higher then the I/O bus
> The intel 7505 chipset used in the experiment
> has a very low memory throughput. On a ~2 year old DeLL 2600 with a
> i7501 (a kind of i7505 chipset without agp), 2x1.8Ghz Xeon can sustain
> 500MB/s (memcpy), (540MB/s for the same box with 2x3.0Ghz Xeon).
Only 500MB/s?! Oh my holy Daemon. That is awfully slow. I know of older,
much older machines that are faster then that. But that machines are