A flexible simulator to evaluate a power saving system for HPC clusters

  • Authors:
  • Manuel F. Dolz;Juan C. Fernández;Sergio Iserte;Rafael Mayo;Enrique S. Quintana-Ortí

  • Affiliations:
  • Universitat Jaume I, Castellón, Spain;Universitat Jaume I, Castellón, Spain;Universitat Jaume I, Castellón, Spain;Universitat Jaume I, Castellón, Spain;Universitat Jaume I, Castellón, Spain

  • Venue:
  • Green Computing Middleware on Proceedings of the 2nd International Workshop
  • Year:
  • 2011

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Abstract

In recent years power consumption of high performance computing (HPC) clusters has become a growing problem due, e.g., to the economic cost of electricity, the emission of carbon dioxide (with negative impact on the environment), and the generation of heat (which reduces hardware reliability). In past work, we developed EnergySaving cluster, a software package that regulates the number of active nodes in an HPC facility to match the user's current demands. In this paper, we extend this work by presenting a simulator for this tool that allows the evaluation and analysis of the benefits of applying different energy-saving strategies and rules, under realistic workloads, to different cluster configurations.