Motorola MCP820 Board - 7410 / Harrier ASIC based - System We irdn ess

Hawkins Jeffrey-CJH016 Jeffrey.F.Hawkins at motorola.com
Tue May 11 22:26:18 EST 2004


> -----Original Message-----
> From: Segher Boessenkool [mailto:segher at kernel.crashing.org]
> Sent: Monday, May 10, 2004 9:09 PM
> To: Hawkins Jeffrey-CJH016
> Cc: linuxppc-dev at lists.linuxppc.org
> Subject: Re: Motorola MCP820 Board - 7410 / Harrier ASIC
> based - System
> Weirdn ess
>
>
> > I am evaluating a Motorola Computer Group MCP820 Board.  It is 7410
> > Based, running at 500 Mhz, 256MB RAM, 2MB L2 Cache.  Testing using
> > 2.4.18 and 2.4.20 Kernels utilizing LMBENCH.  I am seeing
> some strange
> > behavior with the Local Communications Latency Tests.
> Comparing to a
> > similarly configured 750 based System, the UDP and TCP
> operations have
> > a latency that is 2+ times worse than the lesser performing System
> > (MCP750 @ 366 Mhz).
>
> Did you use the same kernel on both systems?  If not, check if both
> are either UP or SMP...
>

Same exact Kernel....

>
> Segher
>

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