[Beowulf] Bolts of Thunder and Upgraded desktop interconnect silicon....

Douglas Eadline deadline at eadline.org
Tue Jun 11 07:41:33 PDT 2013


Historically, Intel seems to endorse different interconnect technologies
and then come back to more middle stream. (e.g. IB -> GigE, Qlogic 
purchase not withstanding)

You might make more headway with USB. USB networking has
been around for a while, I looked at it as a possible
low cost interconnect but decided 1 GigE (Intel controllers) is
pretty good, and 10 GigE is quite good for small scale HPC.
I got good numbers with low cost Chelsio NICs, Open-MX,
and older hardware, see http://goo.gl/5l2NJ.

I may take another look at USB3, but Ethernet just seems easier
and tends to ride the commodity wave quite well.

--
Doug


> Hi all!
>
> So a company based out of Cupertino mentioned using this silicon in a
> revamp of their MacPro line today...
>
> http://blogs.intel.com/technology/2013/06/video-creation-bolts-ahead-%E2%80%93-intel%E2%80%99s-thunderbolt%E2%84%A2-2-doubles-bandwidth-enabling-4k-video-transfer-display-2/
>
> we appear to have a second version of a 20GB/s consumer connection
> (latency unknown), and yet this search:
>
> https://www.google.com/search?q=linux+thunderbolt+interconnect
>
> does not really go anywhere cool like a github or kernel.org repo....
>
> Any qualified folks know where this thunderbolt stuff is all heading
> and are able to talk in public?
>
> Best,
>
> j.
>
> p.s.
>
> yes I did move back to .edu just in case folks were doing a double
> take. And yes, (like Dr. Layton) I do still think that cloud
> infrastructure
> as a service and HPC/HTC are still a really good idea for the right
> algorithms and workloads! :-)
>
> --
> dr. james cuff, director of research computing & chief technology
> architect
> harvard university | faculty of arts and sciences | division of science rm
> 210, thirty eight oxford street, cambridge. ma. 02138 tel: +1 617 384 7647
> |
> http://about.me/jcuff
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-- 
Doug

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