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Evaluating and Optimizing the NERSC Workload on Knights Landing
- Barnes, Taylor;
- Cook, Brandon;
- Deslippe, Jack;
- Doerfler, Douglas;
- Friesen, Brian;
- He, Yun;
- Kurth, Thorsten;
- Koskela, Tuomas;
- Lobet, Mathieu;
- Malas, Tareq;
- Oliker, Leonid;
- Ovsyannikov, Andrey;
- Sarje, Abhinav;
- Vay, Jean-Luc;
- Vincenti, Henri;
- Williams, Samuel;
- Carrier, Pierre;
- Wichmann, Nathan;
- Wagner, Marcus;
- Kent, Paul;
- Kerr, Christopher;
- Dennis, John
Published Web Location
https://doi.org/10.1109/pmbs.2016.010Abstract
NERSC has partnered with 20 representative application teams to evaluate performance on the Xeon-Phi Knights Landing architecture and develop an application-optimization strategy for the greater NERSC workload on the recently installed Cori system. In this article, we present early case studies and summarized results from a subset of the 20 applications highlighting the impact of important architecture differences between the Xeon-Phi and traditional Xeon processors. We summarize the status of the applications and describe the greater optimization strategy that has formed.
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