Re: Help clear up a misconception about SMP systems

Eastep, Tom (eastep@loc1.tandem.com)
Fri, 09 Oct 1998 20:24:05 -0700

Alan Cox wrote:
[snip]
>
> Cache bound stuff is materially better SMP than stuff using main memory. In
> fact on many machines main memory intensive stuff is the same speed single
> or dual CPU

Kernel-bound workloads may also show little improvement with SMP. I have a file
system stress test that I've used with other Unices; it runs at about the same
speed UP and SMP on 2.1.12* (on 2.0.3*, it actually runs slower on an SMP).

-Tom

-- 
Tom Eastep	
COMPAQ Computer Corporation
Enterprise Computing Group
Tandem Division
tom.eastep@compaq.com


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/