To SMP or not to SMP

Barney Cordoba barney_cordoba at yahoo.com
Tue Jan 8 03:02:36 UTC 2013



--- On Mon, 1/7/13, Garrett Cooper <yanegomi at gmail.com> wrote:

> From: Garrett Cooper <yanegomi at gmail.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, 9:38 PM
> On Jan 7, 2013, at 6:25 PM, Barney
> Cordoba 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.
> 
>     Non-SMP. I don't see why it would be wise
> to involve the standard locking structure overhead for a
> single-core box.

It might not be wise, but I'd guess that 99% of the development work
is being done on SMP systems, so who knows what weirdness non-smp
systems might have.

BC


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