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post #1 of 8 (permalink) Old May 3rd, 2004, 01:14 PM Thread Starter
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Super Computers Take Over

Supercomputing made simple

New software helps tap unlimited power of idle PCs

By Jenny Everett
Popular Science
Friday, June 6, 2003 Posted: 11:25 AM EDT (1525 GMT)


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(Popular Science) -- Millions of science enthusiasts currently loan their unused PC power via the Web to researchers who need it in the hunt for medical cures and scientific eurekas.

Millions more will likely follow suit later this summer when Berkeley scientist David Anderson debuts an easier and cheaper way to write distributed computing software. (Volunteers simply download a screensaver and the software does the rest.)

Anderson, creator of the world's first and most popular distributed computing program, SETI@home, inspired 4 million folks to help his team analyze radio signals for signs of extraterrestrial intelligence.

About a dozen other research projects now rely on distributed computing programs for supercomputing power, but until now, the software has been expensive and time-consuming to create.

Anderson's free open-source software should change that.

"The more projects that start using distributed computing the more people will be interested in lending their computers for research," says Anderson. In the meantime, here are four ways to put your idle PC to good use.

Screensaver mission

The Great Internet Mersenne Prime Search (GIMPS) Searches for ever-larger, world-record-setting Mersenne prime numbers.

PC's in use: 130,000

Avg. power on tap*: 9 teraflops

The payoff so far: GIMPS has discovered five Mersenne primes in six years, including one with more than 4 million digits. A PC would need 25,000 years to do that!

Screensaver mission

SETI@home Searches for signals from extraterrestrial civilizations. Suspicious units are flagged and scrutinized.

PC's in use: 4,350,000

Avg. power on tap*: 56.2 teraflops

The payoff so far: Idle computers have analyzed more than 5 billion possible ET signals. So far, 166 have warranted a closer look, though none have panned out.

Screensaver mission

The Smallpox Research Grid Searches for drugs that fight the smallpox virus. Each PC analyzes sets of 110 potential drug candidates.

PC's in use: 2,000,000

Avg. power on tap*: 180 teraflops

The payoff so far: Since February the grid has screened 35 million potential drug candidates, a chore that would take a single CPU 7,000 years to complete.

Screensaver mission

Climateprediction.net Set to launch this summer, the screensaver will help predict significant changes in Earth's climate.

PC's in use: Launching 2003: Hopes to lure one million users

Avg. power on tap*: Unknown

The payoff so far: The project recruited 15,000 users in the two-week testing phase. Download the real thing this summer.

* A teraflop equals a trillion calculations per second. The world's largest supercomputer operates at 35.9 teraflops. The average PC manages approximately 0.0001 teraflops.

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post #2 of 8 (permalink) Old May 3rd, 2004, 01:15 PM Thread Starter
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...a very interesting article for those who are into helping out research like the above mentioned.

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post #3 of 8 (permalink) Old May 3rd, 2004, 01:20 PM
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Ummmm....Has anyone seen the Matrix

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post #4 of 8 (permalink) Old May 3rd, 2004, 01:37 PM
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IMO, these "unused capacity" projects are Inherently Inefficient (even on broadband connections) due to internet traffic through routers along the way, the ISPs' switches, etc. Superfast chips can be made fairly inexpensively now, letting them do the Parallel Processing (another PP) "inhouse".
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post #5 of 8 (permalink) Old May 3rd, 2004, 02:15 PM
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Quote:
Originally Posted by Dava
Ummmm....Has anyone seen the Matrix

maybe rereading the article might help. they are not building new computers, instead they are harvesting the unused resources of current computers. that doesnt suddenly give these machines the power to take over the world and use human beings as energy. its just making good use of availble computing power.
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post #6 of 8 (permalink) Old May 3rd, 2004, 07:32 PM Thread Starter
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Quote:
Originally Posted by JollyRoger
IMO, these "unused capacity" projects are Inherently Inefficient (even on broadband connections) due to internet traffic through routers along the way, the ISPs' switches, etc. Superfast chips can be made fairly inexpensively now, letting them do the Parallel Processing (another PP) "inhouse".
This is very true, but heck, many of these research projects that link PC's do it just to get exposure and publicity.

Quote:
Originally Posted by commedore64
maybe rereading the article might help. they are not building new computers, instead they are harvesting the unused resources of current computers. that doesnt suddenly give these machines the power to take over the world and use human beings as energy. its just making good use of availble computing power.
...you just said harvesting ... lol ... The Matrix Anyone? hahahha jk jk

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post #7 of 8 (permalink) Old May 4th, 2004, 12:27 AM
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Quote:
Originally Posted by charmedRic
This is very true, but heck, many of these research projects that link PC's do it just to get exposure and publicity.
Good observation, Z. I ovalooked that Zimple explanation!
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post #8 of 8 (permalink) Old May 4th, 2004, 01:49 AM Thread Starter
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Quote:
Originally Posted by JollyRoger
Good observation, Z. I ovalooked that Zimple explanation!

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