Abstract
Electrical provisioning in high performance computing is transitioning from simple nameplate Thermal Design Power (TDP) models to more nuanced approaches based on expected electrical load. This paper captures current power provisioning strategies across six international supercomputing centers and seven systems, three of which (Lumi, Summit, Sierra) were in the top 10 of the Top500 list at the time of data collection1. We present longitudinal and summary data of actual power consumption as well as a discussion of how each site approached the question of provisioning. We conclude with a discussion on future directions of hardware overprovisioning and its implications for machine and electrical utilization.
| Original language | English |
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| Title of host publication | ACM ICS 2025 - Proceedings of the 39th ACM International Conference on Supercomputing |
| Publisher | Association for Computing Machinery |
| Pages | 1034-1051 |
| Number of pages | 18 |
| ISBN (Electronic) | 9798400715372 |
| DOIs | |
| State | Published - Aug 22 2025 |
| Event | 39th ACM International Conference on Supercomputing, ICS 2025 - Lake City, United States Duration: Jun 8 2025 → Jun 11 2025 |
Publication series
| Name | Proceedings of the International Conference on Supercomputing |
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| Volume | Part of 213821 |
Conference
| Conference | 39th ACM International Conference on Supercomputing, ICS 2025 |
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| Country/Territory | United States |
| City | Lake City |
| Period | 06/8/25 → 06/11/25 |
Funding
Authors wish to thank Pekka Lehtovuori from CSC IT Center for Science Ltd., Finland for help with collection, review and release of the Lumi dataset. Authors thank Norm Bourassa at NERSC for assisting with Cori power data collection and providing the provisioned power for Perlmutter and the NERSC facility. Part of this work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344 (LLNL-CONF-862432). Part of this material is based upon work supported by the Advanced Scientific Computing Research Program in the U.S. Department of Energy, Office of Science, under Award Number DE-AC02-05CH11231 and used resources of the National Energy Research Scientific Computing Center (NERSC), which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. Part of this research was sponsored by and used resources of the Oak Ridge Leadership Computing Facility (OLCF), which is a DOE Office of Science User Facility at the Oak Ridge National Laboratory (ORNL) supported by the U.S. Department of Energy under Contract No. DE-AC05-00OR22725. This work was partially funded by the German Federal Ministry of Education and Research (BMBF) and the Ministry of Science, Research and the Arts Baden-Wurttemberg (MWK) as part of the SiVeGCS project.
Keywords
- High-performance computing
- power provisioning