Jonathan It is a real cluster, available in 4 and 8 node versions. The design if for non-data center use. That is, local office, lab, home where power, cooling, and noise are important. More info here:
https://www.limulus-computing.com https://www.limulus-computing.com/Limulus-Manual -- Doug > Hi Doug, > > Not to derail the discussion, but a quick question you say desk side > cluster is it a single machine that will run a vm cluster? > > Regards, > Jonathan > > -----Original Message----- > From: Beowulf <beowulf-boun...@beowulf.org> On Behalf Of Douglas Eadline > Sent: 23 August 2021 23:12 > To: John Hearns <hear...@gmail.com> > Cc: Beowulf Mailing List <beowulf@beowulf.org> > Subject: Re: [Beowulf] List archives > > John, > > I think that was on twitter. > > In any case, I'm working with these processors right now. > > On the new Ryzens, the power usage is actually quite tunable. > There are three settings. > > 1) Package Power Tracking: The PPT threshold is the allowed socket power > consumption permitted across the voltage rails supplying the socket. > > 2) Thermal Design Current: The maximum current (TDC) (amps) that can be > delivered by a specific motherboard's voltage regulator configuration in > thermally-constrained scenarios. > > 3) Electrical Design Current: The maximum current (EDC) (amps) that can be > delivered by a specific motherboard's voltage regulator configuration in a > peak ("spike") condition for a short period of time. > > My goal is to tweak the 105W TDP R7-5800X so it draws power like the > 65W-TDP R5-5600X > > This is desk-side cluster low power stuff. > I am using extension cable-plug for Limulus blades that have an in-line > current meter (normally used for solar panels). > Now I can load them up and watch exactly how much current is being pulled > across the 12V rails. > > If you need more info, let me know > > -- > Doug > >> The Beowulf list archives seem to end in July 2021. >> I was looking for Doug Eadline's post on limiting AMD power and the >> results on performance. >> >> John H >> _______________________________________________ >> Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin >> Computing To change your subscription (digest mode or unsubscribe) >> visit >> https://link.edgepilot.com/s/9c656d83/pBaaRl2iV0OmLHAXqkoDZQ?u=https:/ >> /beowulf.org/cgi-bin/mailman/listinfo/beowulf >> > > > -- > Doug > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > https://link.edgepilot.com/s/9c656d83/pBaaRl2iV0OmLHAXqkoDZQ?u=https://beowulf.org/cgi-bin/mailman/listinfo/beowulf > -- Doug _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit https://beowulf.org/cgi-bin/mailman/listinfo/beowulf
