Power-saving computer circuit began with UM work

Associated Press Published: March 2, 2012
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ANN ARBOR, Mich. (AP) — The University of Michigan says an energy recycling computer circuit that began with work at the Ann Arbor school has made its public debut at a conference in San Francisco.

The university says the circuit can work with less power because it reuses energy that current circuits now dissipate.

It's used in a forthcoming 64-bit processor core from Advanced Micro Devices. It's known as the Piledriver and debuted Feb. 20 at the 2012 International Solid-State Circuits Conference.

The Piledriver incorporates a technology invented by computer science professor Marios Papaefthymiou and other researchers. Their patented technique resulted in the launch of the university's startup Cyclos Semiconductor in 2006.

The technology is called a "resonant clock mesh" and cuts power consumption up to 10 percent.

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Online:

Technology details: http://bit.ly/A6cRYn



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