Topologically Homogeneous Power-Performance Heterogeneous Multicore Systems

Provided by: European Design and Automation Association
Topic: Hardware
Format: PDF
Global concerns about green environment, coupled with the rapid evolution of commodity multicore systems, present unique challenges in improving energy efficiency. Dynamic Voltage and Frequency Scaling (DVFS), a widely adopted technique to ensure safe thermal characteristics while delivering superior energy efficiency, is rapidly becoming inefficient with technology scaling due to two critical factors: inability to scale the supply voltage due to reliability concerns and dynamic adaptations through DVFS cannot alter underlying power hungry circuit characteristics, designed for the nominal frequency.

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