Seems like an interesting chip. 256GF in 45 watts seems nice, but i'm a little leery on the 10G onboard. I'm not sure 10G is cost effective on the large scale yet. Is it even port-for-port to infiniband yet? I've not looked in a while.
On Wed, Mar 11, 2015 at 5:52 AM, John Hearns <[email protected]> wrote: > Very good article on The Platform: > > http://www.theplatform.net/2015/03/09/intel-crafts-broadwell-xeon-d-for-hyperscale/ > > On 10 March 2015 at 19:42, Mark Hahn <[email protected]> wrote: >> >> Intel recently introduced an interesting product: >> Xeon D is a Broadwell (Haswell shrink) SoC. >> >> It only has 8 cores, not high-clocked and only 2 dimm channels, so it's >> definitely not at the same level of fat-node goodness as an e5-26xx v3. But >> for 45W, you also get 2x onboard 10Gb! >> >> Anyone working on an HPC system based on these quite compact building >> blocks? the SoC also has stuff like PCIe and SATA, >> which is why a lot of the coverage is calling it a chip for desktop NAS, >> etc. But for HPC purposes, the CPU is quite decent, memory balance is >> reasonable, and it's hard >> to argue with two free 10G... >> >> On that topic, I've read some work recently on performance tuning of Intel >> 10G, but not in an HPC context. Is 10G still >> sucking for MPI latency? (SFP+ DA noticably better than 10GbT?) >> >> If you're thinking of saying "why bother with an x86_64 SoC >> when you can get a 64b Atom SoC", well, can you? (for cheap, >> at commodity volume, etc...) Do any of the surviving Atom SoCs >> still have onboard multiport switching fabrics? >> >> thanks, Mark Hahn. >> _______________________________________________ >> Beowulf mailing list, [email protected] sponsored by Penguin Computing >> To change your subscription (digest mode or unsubscribe) visit >> http://www.beowulf.org/mailman/listinfo/beowulf > > > > _______________________________________________ > Beowulf mailing list, [email protected] sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > _______________________________________________ Beowulf mailing list, [email protected] sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
