Re: Advice on system purchase
Am Sonntag, 28. Oktober 2012 schrieb Marc Shapiro:
> On 10/27/2012 08:27 PM, Stan Hoeppner wrote:
> > On 10/27/2012 7:29 PM, Marc Shapiro wrote:
> >> I'm really getting annoyed by my random system lockups, so I have
> >> been looking at new motherboards, new systems, etc.
> >
> > ...
> >
> >> I saw a Fry's add for a motherboard, an AMD 8 Core CPU and memory
> >> for
> >
> > That's a 125 watt CPU (ouch!). That's two 60 watt incandescent bulbs
> > worth of juice and heat output at full load, one bulb worth at idle,
> > and a relatively loud stock cooler to prevent it from melting.
> >
> > Coming from a 2800+ which is a ~60 watt CPU, and given the fact
> > you'll never make use of more than 2 of those 8 cores, I recommend a
> > dual core AthlonII X2 @ 3.4GHz. I have the 3GHz model and the 2nd
> > core is pretty much always idle, with primary core being idle most
> > of the time as well, as is everyone's.
>
> I don't know if this makes a difference, but... While this is a home
> machine there are three of us here. Myself, my wife and daughter. We
> are all logged in all the time and we are all running separate X
> sessions all the time. That way, it is just a Ctl-Alt-Fx keystroke for
> any one of us to get to our session as we left it. Will multiple X
> sessions each run in their own core, or will they all be running in a
> single core. If the former, then I can make use of some of those extra
> cores, if the latter, then fewer cores running at faster speeds does
> make more sense. Can anyone answer this question?
You should have one X server process for each display.
And that answers the question, cause Linux is perfectly capable to
distribute different processes as well as different threads over different
cores.
> If I decide that the extra cores are not useful then the hardware that
> you recommend is a distinct possibility. I like the idea of simply
> using an SSD. That would really speed things up and make the system
> more responsive and 120GB is more than enough space for me if the old
> box stays up as a server. If it does not, then the 1 TB drive goes
> into the new machine. I have several extra cases around that I could
> probably fit it into, still allowing me to keep the old box if it will
> run properly without X on it.
Why not just put both the SSD and the 1 TB disk into the new machine and
spare yourself the old server?
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
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