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Raven: An Energy-Efficient Multicore Processor

Raven: An Energy-Efficient Multicore Processor. Ben Keller BEARS 2014 Advisors: Bora Nikolic and Krste Asanovic. Motivation: Energy Is King. Performance = Power * Energy Efficiency (Tasks / Second) (Joules/Second) (Tasks/Joule). Power is fixed

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Raven: An Energy-Efficient Multicore Processor

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  1. Raven: An Energy-Efficient Multicore Processor Ben Keller BEARS 2014 Advisors: Bora Nikolic and KrsteAsanovic

  2. Motivation: Energy Is King Performance = Power * Energy Efficiency (Tasks / Second) (Joules/Second) (Tasks/Joule) • Power is fixed • For better performance, need better energy efficiency • Total energy is fixed • For “more” performance, need better energy efficiency BEARS 2014

  3. Fine-Grained Voltage Scaling BEARS 2014

  4. Raven3 System Diagram BEARS 2014

  5. BEARS 2014

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