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Tuesday, July 11 • 3:00pm - 3:30pm
Evaluation of Intel Omni-Path on the Intel Knights Landing Processor

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When a new technology is introduced into the HPC community, it is necessary to understand its performance and how it can affect the way applications interact with the hardware. Intel has recently introduced two new elements into the HPC ecosystem that are being widely adopted by many centers: Intel Omni-Path high performance network and Intel Knights Landing processor. While it is possible to find different studies that analyze the efficiency of the Knights Landing processor, it is not the same situation for Omni-Path, the new 100 Gb/s fabric from Intel. This paper presents a set of studies that investigate the effectiveness of system comprised of this processor and network. The outcomes of this work can be used as guidelines for a better exploitation of these resources on production systems. Also, the methodology employed during our tests can be replicated on a variety of systems and centers to find the ideal configurations of their hardware resources and provide users with recommendations that can improve the performance of their codes and the overall throughput of the clusters.


Tuesday July 11, 2017 3:00pm - 3:30pm
Strand 11
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Attendees (8)