Researchers have made a breakthrough in quantum circuit design, proposing a novel approach to minimize energy loss during computation. This development addresses the critical challenge of increasing power demands in computing systems.
Because computation and energy loss are inherently linked, it's been difficult to develop more efficient computing systems.
“With the increase in fabrication density over the last few decades, semiconductor technology is being pushed to extreme limits and power dissipation has become a major issue,” said the researchers. The study focuses on the principle of energy dissipation during information processing. As physicist Rolf Landauer theorized, every bit of information lost during computation must be converted into a minimum amount of heat.
They developed six new types of circuit building blocks, termed “parity-preserving reversible blocks.” This preservation of information directly addresses the issue of energy loss identified by Landauer’s principle.Simulations of the new circuit designs demonstrated“When evaluating alternate reversible logic implementations of given functions, the commonly used parameters are: the number of reversible gates or gate count , quantum cost , the number of constant inputs , and number of garbage outputs ,” highlighted the press release.
Reducing the number of gates, which are fundamental components of circuits, can significantly enhance overall efficiency.While the technology for constructing fully reversible logic circuits is not yet mature, recent progress in quantum computing has increased the relevance of such designs.
QUANTUM COMPUTING ENERGY EFFICIENCY CIRCUIT DESIGN LANDAUER's PRINCIPLE REVERSIBLE CIRCUITS
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