[KLUG Members] SMP kernel for a single Xeon Processsor?

[Adam Williams]

> I read that it really doesn’t hurt a single CPU box to run a SMP kernel, but
> there is some additional overhead when you do this.

Actually, rather little these days.  Gone are the big spinning locks.

> Since I don't have a clue how to run all those fancy benchmarking tests
> people like Adam run, I really don’t know if I should be running the SMP
> kernel on this box.
> Anyone have experience with this?

You want the SMP kernel, or you'll loose alot of the hyperthreading
advantages;  at least that what I was told.  Haven't looked into it much
personally.  But it would be very interesting to see the effect of
processor pinning on a hyperthreaded CPU,  just need more time....