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SubjectSMP versus UP on P4

Hello everybody!

I have this question, which I would like to ask you guys.
I know that SMP works slower, because of thread contention and locking

Does it make sence to use SMP kernel still, in case of a single P4,
or should I use UP kernel and disable Hyper-Threading in the bios?

Any benchmark results would be highly appreciated.

Thank you.

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