Netbench results on a linux 4-way system
davecb at canada.sun.com
Thu Aug 1 11:46:02 GMT 2002
Andrew Theurer wrote:
> One other thing, P4 by default sends all ints to CPU0. This _was_ a
> problem for 4 physical/8 logical processors. A single physical
> processor is enough to handle all the ints from these network cards at
> the throughput we are seeing. However, when you split the physical CPUS
> into 2 logical CPUS, (hyperthreading) "1/2" of a CPU is not enough to
> support processing all the ints. I used a new irq balancing feature to
> spread the ints to multiple processors to avoid this.
Thanks, all the best in getting Linux to fly.
David Collier-Brown, | Always do right. This will gratify
Performance & Engineering | some people and astonish the rest.
Americas Customer Engineering, | -- Mark Twain
(905) 415-2849 | davecb at canada.sun.com
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