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International Conference on Green Computing (2010)
Chicago, IL, USA
Aug. 15, 2010 to Aug. 18, 2010
ISBN: 978-1-4244-7612-1
pp: 417-424
Khaled Z. Ibrahim , Computational Research Division, Lawrence Berkeley National Laboratory, CA 94720, USA
Achieving extreme-scale computing requires power-efficiency of the computing elements. Power efficiency is usually achieved by cutting transistor budget from hardware structures that exploit locality such as caches and replacing them with software-managed local-store to maintain performance; it can also require removing hardware structures that exploit instruction level parallelism that is not well expressed in software, such as out-of-order execution units - leaving support only for vector execution units. Power efficiency generally leads to complicating software development. Heterogeneous systems provide a tradeoff that combines complex processor cores with power-efficient accelerators to handle multiple code types.

K. Z. Ibrahim, "Bridging the gap between complex software paradigms and power-efficient parallel architectures," International Conference on Green Computing(GREENCOMP), Chicago, IL, USA, 2010, pp. 417-424.
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