Raven: An Energy- Efficient Multicore Processor Ben Keller BEARS 2014 Advisors: Bora Nikolic and Krste Asanovic
Raven: An Energy-Efficient Multicore Processor
Feb 22, 2016
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 - PowerPoint PPT Presentation
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Raven: An Energy-Efficient Multicore ProcessorBen KellerBEARS 2014Advisors: Bora Nikolic and Krste Asanovic
BEAR
S 20
14
Motivation: Energy Is King
2
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
BEAR
S 20
14
Fine-Grained Voltage Scaling
3
BEAR
S 20
14
Raven3 System Diagram
4
BEAR
S 20
14
5
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