Re: core 2 duo

[Frank Bax <fbax(at)sympatico(dot)ca>]

At 08:21 AM 12/17/06, Sean Davis wrote:

> Frank Bax wrote:
> > This might be old news to a lot of people, but I'm wondering if pg will 
> > automatically use both processors concurrently in a Core 2 Duo 
> > system.  I'm planning to install OpenBSD 4.0 with SMP kernel (bsd.mp) and 
> > install pg using their binary 8.1.5 package.
>
>
> I don't think so.  These SMP machines are simply two processors.  If you 
> run one query, only one process is used, so only one processor.  If you 
> have two independent queries (from two different users, for example), two 
> processes will be used and then the second processor can be utilized.


I assumed it wouldn't use two processors on one query.  I was wondering if 
independent queries would automatically use multiple processors when 
available; or if some special action had to be invoked (like compile time 
switch or config option) before this behaviour was possible.  Sounds like 
we get this behaviour "out of the box".  Great.