Title

Dark Silicon Aware Multicore Systems: Employing Design Automation with Architectural Insight

Document Type

Article

Journal/Book Title/Conference

IEEE Transactions on Very Large Scale Integration (VLSI) Systems

Volume

22

Issue

5

Publisher

Institute of Electrical and Electronics Engineers

Publication Date

5-1-2014

Funder

National Science Foundation

First Page

1192

Last Page

1196

Abstract

The emergence of dark silicon - a fundamental design constraint absent in past generations - brings intriguing challenges and opportunities to microprocessor design. In this brief, we demonstrate the challenges of comparing competing design styles across different technology generations in a dark silicon era. We provide a new metric to guide a dark silicon aware (DSA) system design and propose a stochastic optimization algorithm for DSA multicore system design. Our technique shows 11%-58% and 5.7-5.8 times improvement in energy efficiency for forthcoming technology generations with two multicore design styles: cores with various voltage-frequency domains and cores with heterogeneous microarchitectures. © 1993-2012 IEEE.

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