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Power Stabilization for AI Training Datacenters

Created by
  • Haebom

Author

Esha Choukse, Brijesh Warrier, Scot Heath, Luz Belmont, April Zhao, Hassan Ali Khan, Brian Harry, Matthew Kappel, Russell J. Hewett, Kushal Datta, Yu Pei, Caroline Lichtenberger, John Siegler, David Lukofsky, Zaid Kahn, Gurpreet Sahota, Andy Sullivan, Charles Frederick, Hien Thai, Rebecca Naughton, Daniel Jurnove, Justin Harp, Reid Carper, Nithish Mahalingam, Srini Varkala, Alok Gautam Kumbhare, Satyajit Desai, Venkatesh Ramamurthy, Praneeth Gottumukkala, Girish Bhatia, Kelsey Wildstone, Laurentiu Olariu, Ileana Incorvaia, Alex Wetmore, Prabhat Ram, Melur Raghuraman, Mohammed Ayna, Mike Kendrick, Ricardo Bianchini, Aaron Hurst, Reza Zamani,

Outline

This paper addresses the power management challenge of large-scale AI training tasks using tens of thousands of GPUs. Due to the high variability in power consumption during training, power consumption varies significantly between compute-intensive and communication-intensive phases during each iteration, resulting in significant power fluctuations. The amplitude of these fluctuations increases as the training task scales, and if the frequency of these fluctuations coincides with the critical frequency of the utility, they can cause physical damage to the power grid infrastructure. Therefore, power stabilization is essential for safely scaling AI training tasks. This paper addresses this problem using real-world data and explores innovative solutions across software, GPU hardware, and data center infrastructure. We present the pros and cons of each approach and propose a multifaceted approach. The proposed solution is rigorously tested using real hardware and Microsoft's in-house cloud power simulator, providing valuable insights into its effectiveness in real-world environments.

Takeaways, Limitations

Takeaways:
Systematically analyzes power management issues in large-scale AI learning tasks and proposes multifaceted solutions.
The effectiveness of the solution is proven through experimental verification using real data and simulations.
A comprehensive approach across software, hardware, and infrastructure.
Limitations:
Using Microsoft's in-house cloud power simulator, there may be differences from real-world environments.
Lack of analysis of the long-term effectiveness and maintenance costs of proposed solutions.
Further research is needed on generalizability to different types of AI learning tasks.
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