Hello Mike,

> Although it sounds silly, could you try recompiling 6.1 and 7.0 with a 
> non-SMP kernel and see how they perform?  That would at least tell us if 
> it's a general performance problem in 6.x and 7.x, or if SMP is somehow 
> hurting performance in this case.

I have this numbers spread over my e-mails. Just putting they together:


OS                      q/s
---                     ---

FreeBSD 6.1 SMP         14953

FreeBSD 6.1 UP          15516

FreeBSD 7.x SMP         15323

FreeBSD 7.x UP          16200


FreeBSD 4.11 SMP        34977

FreeBSD 4.11 UP         33926


I think is a general problem in 6.x and 7.x. UP kernel is always a
little bit better, but I can't see big changes tweaking from SMP to
UP.

On the other hand, with the same hardware, 4.11 is twice better in
performance.

-- 
Att.,

Marcelo Gardini

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