[Beowulf] SiCortex experience anyone?
gerry.creager at tamu.edu
Tue May 27 13:05:49 PDT 2008
Steve Cousins wrote:
> On Tue, 27 May 2008, Mark Hahn wrote:
>>>> Does anyone have any experience with SiCortex machines? Any
>>>> thoughts? They
>>>> look cool and they don't use much power but I wonder how they
>>>> compare to
>>>> blade type systems.
>> eh? blade systems are just tweaks for packaging and cable-management.
>> I don't believe they have much if any advantage over well-designed
>> non-blade hardware. or did you mean that both blades and sicortex
>> are basically boutique approaches, as opposed to fungible/commodity?
> I was using the blade example just because of the similarity of having a
> stand-alone system with a single power source.
Different paradigms save in the idea that Blades are simply a way to
concentrate heat and make you always come back to one vendor for
additions or replacements. I don't like to lock into a single vendor
unless they're well proven. I've made the blade mistake with a vendor
who, overall, always did the right thing, but having a bunch of blades
did little more than look cool when I needed to expand.
>>>> I know they are not Beowulfs but being distributed
>>>> memory machines I figured someone here might have real-world
>>>> experience with
>> I think it's still a beowulf if you apply "the beowulf approach"
>> (linux and open-source HPC clustering) to non-commodity hardware.
>> we still have a beowulf of Compaq ES40 alphas, for instance.
> Great. I'm glad my post was on topic then. My view is that the SiCortex
> machine is not a Beowulf because the term "node" seems to be a chip on
> the same board as all of the other nodes. You can't really add nodes
> like you could add an ES40 to your Compaq Beowulf. Of course opinions
> will vary. I suppose you could add other SiCortex machines... Can you?
> Do you have any experience with them? How easy is it to port code to it?
> Performance characteristics with certain types of code?
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Gerry Creager -- gerry.creager at tamu.edu
Texas Mesonet -- AATLT, Texas A&M University
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