> What I find interesting about this is that there's only a 3:1 difference > between high and low. > > That's a pretty compelling argument that if you need a 10x speedup, you're > not going to get it by "buy a faster computer", and that, rather, > parallelism is your friend.
And the clocks go from 2.5 to 3.2 GHz. I'm not sure how much farther multi-core can go with adding cores. > > It would be interesting to look at this on a ops/$ or ops/Watt basis.. My > guess will be that there's not a huge power difference (in terms of wall > plug power) between the various options (certainly not 3:1), and there's > probably not a 3:1 difference in price, either. > > I was looking at benchmarks for substantially lower end machines recently > (ARMs, Atoms, bottom of the line i5s) for a signal processing problem and > there's not a huge difference there, either. To get a 10x difference, you > have to be going WAY different technologies (like 8 bit microcontrollers > or similar). Interesting -- Doug > > > > Jim > > -----Original Message----- > From: Beowulf [mailto:beowulf-boun...@beowulf.org] On Behalf Of Douglas > Eadline > Sent: Wednesday, February 03, 2016 6:58 AM > To: Olli-Pekka Lehto <olli-pekka.le...@csc.fi> > Cc: beowulf@beowulf.org > Subject: Re: [Beowulf] Demo-cluster ideas > > > To help gauge your performance, you can find HPL results for my Limulus > machines here (Sandybridge to Skylake): > > http://limulus.basement-supercomputing.com/wiki/LimulusBenchmarks > > I have NAS parallel results as well, I'll be posting them on Cluster > Monkey real soon. > > > > -- > Mailscanner: Clean > > -- Doug -- Mailscanner: Clean _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
