I have an account on Kraken (not as big as jaguar) but my jobs have been blocked by jobs using 99,000+ cores several times. What this job does I don't know,
Brock Palen www.umich.edu/~brockp Center for Advanced Computing bro...@umich.edu (734)936-1985 On Oct 28, 2010, at 11:57 AM, Gus Correa wrote: > Hi Bill, list > > Here is it from The Register: > http://www.theregister.co.uk/2010/10/28/china_tianhe_1a_supercomputer/ > > Which real real production applications ran on Jaguar across all processors? > I heard of large high-resolution climate models that ran on Jaguar > and on Kraken, using about 6000 cores, but not the full set available. > There certainly are other large applications, though. > > Thanks, > > Gus Correa > > Bill Rankin wrote: >> I was just going to post the same thing, but with the HPCWire link instead. >> http://www.hpcwire.com/blogs/New-China-GPGPU-Super-Outruns-Jaguar-105987389.html >> A few comments: >> A 42% increase (2.5TF v. 1.75TF for jaguar) is not a "wide margin". > If I did my math right, that represents about 7 months > worth of gain on the growth curve for the Top500 list > (peak performance growth is ~2x every 13 months). >> Linpack is very forgiving of low-bandwidth networks > (or PCI-x busses in this case). >> This strikes me as a machine that will most likely > never see a single application that runs on the full system. > There is nothing wrong with that per-se, but it must be taken > into consideration when comparing it to machines that have run > real production applications across the entire processor set (ie. Jaguar). >> What this machine does do is validate to some extent the > continued use and development of GPUs in an HPC/cluster setting. > I will admit that I have been very skeptic in the past as to whether > GPU-based computing had any long-term traction. > In my defense I have seen many past examples of > specialized computing approaches that did not > survive past the first generation and eventually > lost out to the general purpose microprocessor. > > I will now admit that GPU technology may have a bigger > long-term impact that I had originally imagined. >> -b >>> http://www.nytimes.com/2010/10/28/technology/28compute.html >>> >>> -- >>> Prentice Bisbal >>> Linux Software Support Specialist/System Administrator >>> School of Natural Sciences >>> Institute for Advanced Study >>> Princeton, NJ >>> _______________________________________________ >>> 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 >> _______________________________________________ >> 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 > > _______________________________________________ > 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 > > _______________________________________________ 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
