[Beowulf] [FoRK] seamicro fabric?

[Rayson Ho]

You can find lots of info from this EE380 talk at Stanford:

"Architectural tradeoffs in the Sea Micro SM 10000 Server"
http://www.stanford.edu/class/ee380/Abstracts/100922.html

Video archive:
http://ee380.stanford.edu/cgi-bin/videologger.php?target=100922-ee380-300.asx

Rayson

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On Mon, Mar 5, 2012 at 3:07 PM, Eugen Leitl <eugen at leitl.org> wrote:
> ----- Forwarded message from Aaron Burt <aaron at bavariati.org> -----
>
> From: Aaron Burt <aaron at bavariati.org>
> Date: Mon, 5 Mar 2012 11:31:37 -0800
> To: fork at xent.com
> Subject: Re: [FoRK] [Beowulf] seamicro fabric?
> User-Agent: Mutt/1.5.20 (2009-06-14)
> Reply-To: Friends of Rohit Khare <fork at xent.com>
>
> On Mon, Mar 05, 2012 at 05:23:02AM +0100, Eugen Leitl wrote:
>> From: Mark Hahn <hahn at mcmaster.ca>
>>
>> Has anyone found an informative description of the Seamicro fabric?
>
> I hope Mark has repeated his search; http://google.com?q=anil+rao+fabric
> and http://google.com?q=seamicro+interconnect turn up lots of info.
>
> A 2011 PDF[1] at Seamicro sez, "It is a three-dimensional torus, with both
> path redundancy and diversity. The fabric is FLIT-based and wormhole-
> routed, with integrated virtual-channel technology to manage congestion,
> and has a throughput of 1.2 Terabits/sec."
>
> Looks like proc boards use PCIe interconnects, like the old cPCI blades.
>
> The more interesting bit (to me) is the possibility raised in an older
> article[2] that Rao and Lauterbach are thinking of turning their
> interconnect into a datacenter-level fabric.  Infiniband II, anyone?
>
> Remembering the days of physically separate frontend and I/O processors,
>  Aaron
>
> [1] http://www.seamicro.com/sites/default/files/TO1_SM10000_Technology_Overview.pdf
> [2] http://www.datacenterknowledge.com/archives/2010/01/26/seamicro-more-than-just-low-power-servers/
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> ----- End forwarded message -----
> --
> Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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