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[arstechnica] World’s top supercomputer from ‘09 is now obsolete, will be dismantled - Page 5

post #41 of 54
Quote:
Originally Posted by DuckieHo View Post

ARM and Atom wimpy cores are only good for very specific cases. They will not be beating out brawny cores any time in the near future.

but a few years ago I doubt they would have even been considered for anything. Now days we are actually TRYING to use devices like this everywhere possible. I think the days of overkill are long gone
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post #42 of 54
Quote:
Originally Posted by Vagrant Storm View Post

but a few years ago I doubt they would have even been considered for anything. Now days we are actually TRYING to use devices like this everywhere possible. I think the days of overkill are long gone

There are technical reasons why fewer big cores beat smaller cores for the majority of workloads:
http://static.googleusercontent.com/external_content/untrusted_dlcp/research.google.com/fr//pubs/archive/36448.pdf

When it comes to HPC, the real performance limitation is in the software and the fabric. Fewer brawny cores is easier to manage and architecture than more wimpy cores (in most cases).


Wimpy cores are good for embrassing parallel workloads that scale by a magnitude or more. i.e. A webserver where traffic can triple during the day and go up a tenfold during new releases.
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post #43 of 54
Does anyone know what will happen to the computer after it is dismantled? Of the 3 or 4 sources I read, none said anything about future plans...
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post #44 of 54
Quote:
Originally Posted by Twinnuke View Post

Quote:
Originally Posted by Daredevil 720 View Post

I don't think we'll see an exaflop supercomputer before 2020. Maybe a couple years earlier but that's it.

Imagine how similar buildings were once used to house computers far less powerful than the laptops and tablets we have today. I bet that in a few decades from now we'll have portable devices with the performance of these beasts.

Not with silicon we wont. I don't even think Silicene will. Graphene is promising but we don't have very many gadgets that use it. If any consumer ones.

At that point your handheld devices may not even include much internals, more like just a screen that accesses "the cloud", which could be huge server farms that store everything, and compute everything you might need the device for. You would essentially just be holding a screen you login to. How's that for forward thinking? biggrin.gif
post #45 of 54
Quote:
Originally Posted by Twinnuke View Post

Not with silicon we wont. I don't even think Silicene will. Graphene is promising but we don't have very many gadgets that use it. If any consumer ones.

Clearly does not know what is talking about.

Graphene is more than promising. Intel had the first printer of graphene but a sheet of paper of graphene costs millions if not more to produce. I hope not many gadget use graphene yet. lachen.gif
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post #46 of 54
Why isn't it being donated for research instead of being scrapped? I'm sure it would be perfect to run simulations for medical research. thumb.gif
post #47 of 54
Quote:
Originally Posted by pratesh View Post

Why isn't it being donated for research instead of being scrapped? I'm sure it would be perfect to run simulations for medical research.

Did you read the part of the article stating that this thing is no longer energy efficient? Its power consumption cost far outweighs whatever value it produces.
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post #48 of 54
Quote:
Originally Posted by Gnomepatrol View Post

Fold on it!

This!
post #49 of 54
2,345 kilowatts at my cost for electricity 11.4 cents per kWh = $267.33 per hour

x24 x 365 = $ 2,341,810.80 per year to run 7/24. I would guess an institution or the government or a business would pay less than I do at my house for electricity.

Maybe my math is off somewhere, but it does indeed seem like a computer costing $120m would still be useful with a $2.4m electric bill. But then again I don't know its support costs. Not do I know what it costs to build and power a computer of this capability today. Still seems like a premature death.
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post #50 of 54
Quote:
Originally Posted by bfromcolo View Post

2,345 kilowatts at my cost for electricity 11.4 cents per kWh = $267.33 per hour

x24 x 365 = $ 2,341,810.80 per year to run 7/24. I would guess an institution or the government or a business would pay less than I do at my house for electricity.

Maybe my math is off somewhere, but it does indeed seem like a computer costing $120m would still be useful with a $2.4m electric bill. But then again I don't know its support costs. Not do I know what it costs to build and power a computer of this capability today. Still seems like a premature death.

It cost $120 million in 2009...assuming it is paid off it would cheaper in the long run to go out and pay $20-30 million and get a new Petaflop machine that uses $300,000 worth of electricity a year.

Also I don't think those power usage figures include A/C...cooling a server room requires much more power than the actually running the server most often.

Though if I was the project manager I'd be asking if they are going to want to replace it again in four years...if so I think I run the power hog a bit longer.
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