Re: SMP on a UP system

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 5 Mar 1999 02:47:55 +0000 (GMT)

> I would say yes. I did some thread creation latency benchmarking across
> 2.0/2.1,w&woSMP/winNT/BeOS on a UNI machine and 2.1 NON-SMP rocked them all
> (the only one that could compete was solaris x86 (data mesured using the
> tsc register)).

The SMP kernel wont run on some non SMP boxes, and is a bit bigger and slower,
maybe 15% in real terms from experience. The question is whether 15% is
worth the hassle of maintaing two kernel sets in your environment

Alan

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