Just-in-time dynamic voltage scaling: Exploiting inter-node slack to save energy in MPI programs |
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| Authors: | Vincent W Freeh Nandini Kappiah David K Lowenthal Tyler K Bletsch |
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| Affiliation: | 1. Department of Computer Science, North Carolina State University, Raleigh, NC, 27695-7534, United States;2. Department of Computer Science, The University of Georgia, Athens, GA 30602-7440, United States |
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| Abstract: | Although users of high-performance computing are most interested in raw performance, both energy and power consumption have become critical concerns. As a result, improving energy efficiency of nodes on HPC machines has become important, and the prevalence of power-scalable clusters, where the frequency and voltage can be dynamically modified, has increased. |
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| Keywords: | Power-aware Distributed computing Message passing interface (MPI) |
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