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New Supercomputer Models Human Visual System

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New Supercomputer Models Human Visual System

Unread postby Schadenfreude » Mon 16 Jun 2008, 22:02:45

Roadrunner supercomputer puts research at a new scale

$this->bbcode_second_pass_quote('PhysOrg.com', ' ')On Saturday, Los Alamos researchers used PetaVision to model more than a billion visual neurons surpassing the scale of 1 quadrillion computations a second (a petaflop/s). On Monday scientists used PetaVision to reach a new computing performance record of 1.144 petaflop/s. The achievement throws open the door to eventually achieving human-like cognitive performance in electronic computers. PetaVision only requires single precision arithmetic, whereas the official LINPACK code used to officially verify Roadrunner's speed uses double precision arithmetic.

"Roadrunner ushers in a new era for science at Los Alamos National Laboratory," said Terry Wallace, associate director for Science, Technology and Engineering at Los Alamos. "Just a week after formal introduction of the machine to the world, we are already doing computational tasks that existed only in the realm of imagination a year ago."

Based on the results of PetaVision's inaugural trials, Los Alamos researchers believe they can study in real time the entire human visual cortex—arguably a human being's most important sensory apparatus.

The ability to achieve human levels of cognitive performance on a digital computer could lead to important insights and revolutionary technological applications. Such applications include "smart" cameras that can recognize danger or an autopilot system for automobiles that could take over for incapacitated drivers in complex situations such as navigating dense urban traffic.


$this->bbcode_second_pass_quote('', 'R')oadrunner also will be used for science and engineering such as energy research, understanding dark energy and dark matter, materials properties and response, understanding complex neural and biological systems, and biomedical applications.


Reminds me of the new Iraq War satire, 'War, Inc'.

In it John Cusack's Hummer is helpfully providing him not merely with directions around the battle zones, but also with deep psychological advice with his sexuality and personal relationships as Cusack drives it around warn-torn Iraq.
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Re: New Supercomputer Models Human Visual System

Unread postby whansen02 » Tue 17 Jun 2008, 12:21:38

I was listening to a bit about this on the news the other day. It's just crazy to think about what our future holds & the things our kids & kids, kids will experience in their lifetimes.
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Re: New Supercomputer Models Human Visual System

Unread postby eric_b » Tue 17 Jun 2008, 13:36:20

Pffft. They've got cycles to burn, but no one really has a clue on how cognition, or for that matter consciousness, works. I don't see this as changing anything. Sounds like they're looking for some way to rationalize their new $120 million toy.

Predictions such as this have been made for decades, regarding matching the fluidity of human perception and cognition. Unfortunately it's not the hardware that's wanting - it's the ideas, algorithms & software that are lacking. Has been for some time.

If I had access to hardware like this, I'd do something interesting with it, like real time ray tracing. Or video games with AI and rendering to die for.
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Re: New Supercomputer Models Human Visual System

Unread postby Schadenfreude » Tue 17 Jun 2008, 21:56:48

$this->bbcode_second_pass_quote('eric_b', 'P')ffft. They've got cycles to burn, but no one really has a clue on how cognition, or for that matter consciousness, works. I don't see this as changing anything. Sounds like they're looking for some way to rationalize their new $120 million toy.

Predictions such as this have been made for decades, regarding matching the fluidity of human perception and cognition. Unfortunately it's not the hardware that's wanting - it's the ideas, algorithms & software that are lacking. Has been for some time.

If I had access to hardware like this, I'd do something interesting with it, like real time ray tracing. Or video games with AI and rendering to die for.


Image

I think scientists and vision-systems developers are more interested in duplicating what nature has developed already. Look, there it is. You know it works real well. All you have to do is figure out how it works and copy its principles in hardware and software.

So, developing a supercomputer to process a quadrillion instrx per sec is a step along the way to re-producing a fly's eye for industrial applications - and then working up to even more advanced designs.

Patience, patience. Computers were first developed only as recently as WWII. Their development has not been exactly shabby.
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Re: New Supercomputer Models Human Visual System

Unread postby ANewHuman » Tue 17 Jun 2008, 22:15:32

Until processing those billions of operations per second is as efficient as say the human eye this is just a complete waste of energy. You can't give something like that a room full of computers and a megawatt of power without it costing you big time.
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Re: New Supercomputer Models Human Visual System

Unread postby Schadenfreude » Tue 17 Jun 2008, 22:20:29

$this->bbcode_second_pass_quote('ANewHuman', 'U')ntil processing those billions of operations per second is as efficient as say the human eye this is just a complete waste of energy. You can't give something like that a room full of computers and a megawatt of power without it costing you big time.


$120 million is not "big time".

If it opens up so many areas of study that previously would have been off-limits because the number crunching was there, well that's just how much it costs at this point in time.

Experience has well-shown that costs in information processing always decline quite rapidly.
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Re: New Supercomputer Models Human Visual System

Unread postby ANewHuman » Tue 17 Jun 2008, 22:38:24

$this->bbcode_second_pass_quote('Schadenfreude', '')$this->bbcode_second_pass_quote('ANewHuman', 'U')ntil processing those billions of operations per second is as efficient as say the human eye this is just a complete waste of energy. You can't give something like that a room full of computers and a megawatt of power without it costing you big time.


$120 million is not "big time".

If it opens up so many areas of study that previously would have been off-limits because the number crunching was there, well that's just how much it costs at this point in time.

Experience has well-shown that costs in information processing always decline quite rapidly.


We need current supercomputer speeds MULTIPLIED by 30 to even get near the processing power of the human brain. To think we are going to get there given all we know about peak oil is quite ridiculous. You'd need like 50-100 years to get computers capable of much more processing power and at energy uses that are reasonable, not enough time really, thankfully.
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Re: New Supercomputer Models Human Visual System

Unread postby cowuvula » Thu 19 Jun 2008, 13:27:25

Peak oil was planned to hit just before all this became possible, because, as Maxwell Smart used to always say,
"If only they would have used their peta-processors for good, instead of evil, continually."

When they go too far, their control will be removed.
within just days.
Be ready...
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