AMD 64bit-powered Network performance

Mark Lane lmlane-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Tue May 2 20:57:18 UTC 2006


On 5/2/06, Dave Stubbs <dave.stubbs-H217xnMUJC0sA/PxXw9srA at public.gmane.org> wrote:
> Just thought this might interest some people out there who are looking
> to get their hands on the best AMD64 hardware.
>
> I recently had a chance to put 3 AMD64 computers on a Gigabit LAN and do
> some tests. The 3 were as follows:
>
> 1. Tyan Tiger K8W with twin Opteron 246 CPUs - on board PCI Intel 82541
> 2. ASUS A8N-SLI-Premium with an Athlon64X2 4800+ - on board Marvel Yukon
> 3. IBM eServer 326m with single Opteron 246 - on board Broadcom NetXtremeII
>
> All 3 had 2Gigs of DDR400 RAM
>
> I ran iperf tests in all directions between these 3 systems, for 10
> minutes running, like this
>
> iperf -c <ip> -r -t 600
>
> No matter which machines I paired up, they all seemed to push the data
> at the same rate.
>
> Here are the sustained 10 minute data rates they were able to support:
>
> 1. Tyan: 715megabit to either of the other two systems
> 2. ASUS: 605megabit to either of the other two systems
> 3. IBM: 535megabit to either of the other two systems
>
> This is a very one-off comparison, but I ran these over and over at least.
>
> It looks like Tyan makes some good stuff, and IBM has yet to tweak the
> performance of their new 326m 1U pizza box.
>

I use to sell these boxes. Comparing that ASUS to that Tyan is not
really a fair comparison. The Tyan listed is a Workstation class board
and the ASUS is a highend Desktop.

BTW unless something has changed in the last 4 months Tyan's customer
support, firmware and troubleshooting has gone way down hill over the
last 18 months. If you want a really good AMD motherboard you need to
look at the SuperMicro A+ line.

http://www.supermicro.com/aplus/

The Broadcom ServerWorks Chipset versions for AMD is very good.

I'm a little surprised that the intel gigE did that much better than
the Marvel Yukon. It could be that Tyan has it on a PCIe or PCI-X bus
and not PCI 32. I wouldn't be surprised if ASUS used a 32 bit bus for
their gigE because it is only Desktop Chipset.  As I said it isn't a
fair comparison.


--
Mark Lane, CET <lmlane-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org>
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