Phil (of Lustre fame) captures some of it here... https://www.hpcwire.com/2016/03/23/downunder-geosolution-leverages-xeon-phi-improved-seismic-processing/
On Fri, Aug 19, 2016 at 10:30 PM, Prentice Bisbal <pbis...@pppl.gov> wrote: > I'm not going to dispute your claims, but I think you're probably a > statistical anomaly in this regard. I'm guessing your code isn't that old, > so it was built using current 'best practices' for parallelization (loop > independence, data parallelism, overlapping communication and computation, > etc) for the get-go, or was at least kept 'modern' which made it easy for > the compilers to optimize for the Phis. > Can you comment on this? > > Prentice > > On 08/18/2016 09:28 PM, Stu Midgley wrote: > > we get EXCELLENT performance from the phi's... just look at our marketing > with Intel. > > The 72XX series are also superb. > > On Fri, Aug 19, 2016 at 7:41 AM, Christopher Samuel <sam...@unimelb.edu.au > > wrote: > >> On 18/08/16 00:10, Prentice Bisbal wrote: >> >> > I wouldn't be so glad. You're still going to have to rewrite your code >> > as mentioned above to get any meaningful performance. >> >> To be fair to Stu though he did post back in 2013 that he got good >> performance improvements on his codes on Xeon Phi for little initial >> effort, so that's why they're so attractive to him. >> >> http://www.beowulf.org/pipermail/beowulf/2013-February/030963.html >> >> http://www.beowulf.org/pipermail/beowulf/2013-February/030971.html >> >> To us though they've proved not that useful, we can only run them >> in accelerator mode (due to external constraints) and so we've had >> virtually 0 uptake. :-( >> >> All the best, >> Chris >> -- >> Christopher Samuel Senior Systems Administrator >> VLSCI - Victorian Life Sciences Computation Initiative >> Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545 >> http://www.vlsci.org.au/ http://twitter.com/vlsci >> _______________________________________________ >> 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 >> > > > > -- > Dr Stuart Midgley > sdm...@sdm900.com > > > _______________________________________________ > 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 > > -- Dr Stuart Midgley sdm...@sdm900.com
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