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Potentials and Limitations for Energy Efficiency Auto-Tuning
Robert Schöne, Andreas Knüpfer, Daniel Molka
678 - 687
10.3233/978-1-61499-381-0-678
Advances in Parallel Computing
Volume 25: Parallel Computing: Accelerating Computational Science and Engineering (CSE)
Abstract

With an objective target of 20 MW for an Exascale system, the power budget for future super computers has a severe restriction. Fortunately, current hardware and runtime environments feature various adjustable parameters that can be changed at runtime in order to confine the power usage. We present an overview of the potentials and limitations of several power saving mechanisms and describe the integration of energy efficiency optimizations in existing performance analysis tools. We also introduce an energy efficiency tuning cycle and exemplify its usage.

$35.00 / €27.50 / £22.00
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