The Potential of Temperature-Aware Configurable Cache on Energy Reduction

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Provided by: Kyushu University
Topic: Hardware
Format: PDF
Active power used to be the primary contributor to total power dissipation of CMOS designs, but with the technology scaling, the share of leakage in total power consumption of digital systems continues to grow. Moreover, temperature is another factor that exponentially increases the leakage current. In this paper, the authors show the effects of temperature and technology nodes on the optimal (minimum-energy-consuming) cache configuration for low energy embedded systems. They show that a temperature-aware configurable cache is an effective way to save energy in finer technologies when the embedded system may be used in different temperatures.
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