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[OMGUBUNTU!] Parallella: The $99 Ubuntu Supercomputer for Everyone - Page 4  

post #31 of 59
Quote:
Originally Posted by gsa700 View Post

Looks like they made it to 750k

http://www.kickstarter.com/projects/adapteva/parallella-a-supercomputer-for-everyone
wheee.gif

I might fork out for one of these when they go retail.
post #32 of 59
Quote:
Originally Posted by lordikon View Post

It's about parallel computing, so what you bolded is exactly correct. 64 processors at 700Mhz is no different than a single processor at 45Ghz if you have 100% parallel computing.
Whether or not they can make parallel computing simple and efficient for the end user is the real question.
That's not true..... there is overhead and redundancy with multiple separate CPUs. Even if there was one manycore CPU, you also have to worry about locking as well.
Once again...
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post #33 of 59
might be worth the $100, just sayin biggrin.gif
     
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post #34 of 59
Quote:
Originally Posted by DuckieHo View Post

That's not true..... there is overhead and redundancy with multiple separate CPUs. Even if there was one manycore CPU, you also have to worry about locking as well.

I'm hoping the brain trust of all the Linux users in the world who can afford a $100 computer will figure this out.
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post #35 of 59
Quote:
Originally Posted by M3T4LM4N222 View Post

Dual Core ARM and 1GB of RAM = Supercomputer
Once it used to be like that.biggrin.gif
post #36 of 59
Quote:
4,434 backers

$805,852 pledged of $750,000 goal

8 hours to go


Well, it has reached the goal. We will see how this will pan out in the future! rolleyes.gif
post #37 of 59
90 GFlops within 5 W power envelope is pretty damn good, I would say. Ofc it would be relatively niche hardware for some particular tasks of computing that scale up to that number of cores in reasonably trivial way. So .. I could actually get such PCI-e card with couple of these "credit card size" ARM farms ? One can hope wink.gif
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post #38 of 59
Quote:
Originally Posted by lordikon View Post

It's about parallel computing, so what you bolded is exactly correct. 64 processors at 700Mhz is no different than a single processor at 45Ghz if you have 100% parallel computing.
Whether or not they can make parallel computing simple and efficient for the end user is the real question.

Yes, but here's the catch: 100% parallel computing is not possible. Multiple cores have overhead that single cores do not. And the more cores you have, the more overhead you have. You lose efficiency due to high overhead tasks, such as scheduling and shared resource management, etc.

Edit: Not to mention the fact that some processes cannot be parallel-ized at all. It's much more complex for developers to produce highly parallel applications compared to the simplicity of single thread apps. So the loss of efficiency is not just at the hardware level, it's also at the software level. Making the total overhead even worse.

A news article was posted here about a year or two ago, that some industry analyst predicts that the overall industry trend will start going back to fewer cores, and higher efficiency. The fact is that a single 45GHz core would be significantly faster than 64 700MHz cores. The primary reason why parallel computing is so popular is because it's cheap, easy and effective. We simply don't yet have the ability to produce 45GHz cores. But if we did, there would be no need for such highly parallel cpu's as we have now.
Edited by wedge - 10/27/12 at 7:53am
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post #39 of 59
delete
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post #40 of 59
90 gflops? I can't hit 100-110 off my 2700k overclocked.
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