To SMP or not to SMP

[Barney Cordoba]

--- On Mon, 1/7/13, Erich Dollansky <erichsfreebsdlist at alogt.com> wrote:

> From: Erich Dollansky <erichsfreebsdlist at alogt.com>
> Subject: Re: To SMP or not to SMP
> To: "Barney Cordoba" <barney_cordoba at yahoo.com>
> Cc: freebsd-net at freebsd.org
> Date: Monday, January 7, 2013, 10:56 PM
> Hi,
> 
> On Mon, 7 Jan 2013 18:25:58 -0800 (PST)
> Barney Cordoba <barney_cordoba at yahoo.com>
> wrote:
> 
> > I have a situation where I have to run 9.1 on an old
> single core box.
> > Does anyone have a handle on whether it's better to
> build a non SMP
> > kernel or to just use a standard SMP build with just
> the one core?
> > Thanks.
> 
> I ran a single CPU version of FreeBSD until my last single
> CPU got hit
> by a lightning last April or May without any problems.
> 
> I never saw a reason to include the overhead of SMP for this
> kind of
> machine and I also never ran into problems with this.

Another "ass"umption based on logic rather than empirical evidence. I 
think I'll test it.

BC