> I just ran a two job memory/FPU intensive test under 2.1.85 and got no
> performance degradation with having a second Job running on a Dual
> Pro-200. Under 2.0.x I used to see about a 20% performance hit on both
> jobs. This is a phenominal improvement, I had thought the problem had
> been with memory contention but it seems this was kernel related. What
> was done to the kernel to make this improvement.
>
> Probably the new IO-APIC stuff. [...]
i think that one should be attributed to David and Linus, who have
'spinlocked' the scheduling code.
-- mingo
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