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3D die stacking is an exciting new technology that increases transistor density by vertically integrating two or more die with a dense, high-speed interface. The result of 3D die stacking is a significant reduction of interconnect both within a die and across dies in a system. For instance, blocks within a microprocessor can be placed vertically on multiple(More)
—Low power is considered by many as the driving force for 3D ICs, yet there have been few thorough design studies on how to reduce power in 3D ICs. In this paper, we discuss design methodologies to reduce power consumption in 3D IC designs using a commercial-grade CPU core (OpenSPARC T2 core). To demonstrate power benefits in 3D ICs, four design techniques(More)
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