26-28 Jun 2019 Bordeaux (France)

Talks (sorted by speaker) > Patki Tapasya

Power-aware scheduling for Large-scale Supercomputers
Tapasya Patki  1  
1 : Lawrence Livermore National Laboratory  (LLNL)  -  Website
Lawrence Livermore National Laboratory 7000 East Avenue • Livermore, CA 94550 -  United States

Power is a critical problem as the supercomputing community ventures toward exascale. Several system, hardware and application-level challenges to power management make it challenging to schedule jobs effectively with high throughput and utilization on large-scale supercomputers. In this talk, I will present two power-aware scheduling strategies that are being developed at LLNL. The first is an algorithm implemented within the popular resource manager, SLURM, and the second is a variation-aware scheduling algorithm implemented within LLNL's new hierarchical scheduling framework, Flux. Using real-world datasets from large supercomputers at LLNL and University of Tokyo, I will demonstrate the effectiveness of these power-management scheduling algorithms, and discuss how other flow resources (such as network, IO, etc) in HPC clusters can leverage similar techniques.

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