[Beowulf] China to eclipse Titan with 48,000 Intel MICs?

Nathan Moore ntmoore at gmail.com
Wed Jun 5 20:48:26 PDT 2013

I didn't mean any special insult to the latest top 500 entry. Rather, that
was a comment on the general nature of that list.  Does anyone know,
off-hand, how often these big machines run with all compute nodes dedicated
to a single message-passing job?  My guess is less than 1% of the time, and
for the most part these machines are used as batch servers for smaller
(N=512, 64, 32, etc) Amber/Gaussian/CFD like jobs.

Am I far off the mark?

Along similar lines, has Google or Amazon ever published their batch job
capacity (it must be in petaflops...)


On Tue, Jun 4, 2013 at 12:36 AM, Lux, Jim (337C)
<james.p.lux at jpl.nasa.gov>wrote:

>   And on SlashDot
> http://tech.slashdot.org/story/13/06/03/1231256/full-details-uncovered-on-chinese-tianhe-2-supercomputer
>  If you want to read a lot of comments from people who don't really know
> ** **
>   From: Nathan Moore <ntmoore at gmail.com>
> Date: Monday, June 3, 2013 9:55 AM
> To: Christopher Samuel <samuel at unimelb.edu.au>, "beowulf at beowulf.org" <
> beowulf at beowulf.org>
> Subject: Re: [Beowulf] China to eclipse Titan with 48,000 Intel MICs?
>  Congratulations on making the world's largest space-heater...
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