Saving 200kW and $200 K/year by power-aware job/machine scheduling

@article{Hikita2008Saving2A,
  title={Saving 200kW and \$200 K/year by power-aware job/machine scheduling},
  author={Junichi Hikita and Akio Hirano and Hiroshi Nakashima},
  journal={2008 IEEE International Symposium on Parallel and Distributed Processing},
  year={2008},
  pages={1-8}
}
This paper reports our 3.75-year empirical study on power-aware operations of Kyoto University's supercomputer system. The supercomputer system of 10 TFlops had required about 540 kW on average in its first fiscal year 2004. After that and one-year try-and-error of power efficient operation, we implemented a simple but effective scheduler of jobs and machine powering to improve the per- load power efficiency by up to 39 % and to save 200 kW and $200,000 electric charge in the fiscal year 2006… CONTINUE READING
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