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Three-level modeling of a speed-scaling supercomputer

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Abstract

In this paper we study a simultaneous service multiserver system which we call speed-scaling supercomputer, where speed-scaling is used to address the performance/power demand tradeoff. We treat the system by three-level modeling approach, using matrix-analytic method, generalized semi-Markov processes and small-scale technical system as the three levels of modeling. An explicit form of stability condition is obtained for a two-server system with heterogeneous customer classes. Regenerative estimation approach is used for confidence estimation of performance measures both in simulation and technical models. We demonstrate the potential of the three-level modeling approach on a relatively sophisticated and interesting model by performing extensive experiments.

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Notes

  1. https://www.intel.com/content/www/us/en/products/sku/193384/intel-xeon-silver-4210-processor-13-75m-cache-2-20-ghz/specifications.html.

  2. https://slurm.schedmd.com/.

  3. https://github.com/ColinIanKing/stress-ng.

  4. https://www.kernel.org/doc/html/latest/hwmon/acpi_power_meter.html.

  5. https://github.com/ColinIanKing/powerstat.

  6. https://github.com/torvalds/linux/tree/master/tools/power/cpupower.

  7. https://www.cs.huji.ac.il/labs/parallel/workload/.

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Acknowledgements

The authors would like to thank the Editors of Special Issue and the referees for comments that helped to improve the paper. The publication has been prepared with the support of Russian Science Foundation according to the research Project No. 21-71-10135, https://rscf.ru/en/project/21-71-10135/. Authors thank Prof. Srinivas Chakravarthy and Prof. Garimella Rama Murthy for helpful discussions.

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Correspondence to Alexander Rumyantsev.

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Rumyantsev, A., Basmadjian, R., Astafiev, S. et al. Three-level modeling of a speed-scaling supercomputer. Ann Oper Res 331, 649–677 (2023). https://doi.org/10.1007/s10479-022-04830-0

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  • DOI: https://doi.org/10.1007/s10479-022-04830-0

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