Motorola MCP820 Board - 7410 / Harrier ASIC based - System Weirdn ess

Segher Boessenkool segher at
Tue May 11 12:09:09 EST 2004

> 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...


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