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RSON: An inter/intra-chip silicon photonic network for rack-scale computing systems

  • Peng Yang
  • , Zhengbin Pang
  • , Zhifei Wang
  • , Zhehui Wang
  • , Min Xie
  • , Xuanqi Chen
  • , Luan H.K. Duong
  • , Jiang Xu

Research output: Chapter in Book/Conference Proceeding/ReportConference Paper published in a bookpeer-review

Abstract

The increasing demand for more computational power from scientific computing, big data processing, and machine learning is pushing the development of HPC (high-performance computing) systems. As the basic HPC building blocks, modularized server racks with a large number of multicore nodes are facing performance and energy efficiency challenges. This paper proposes RSON, an optical network for rack-scale computing systems. RSON connects processor cores, caches, local memories, and remote memories through a novel inter/intra-chip silicon photonic network architecture. We develop a low-latency scalable channel partition and low-power dynamic path priority control scheme for RSON. Experimental results show that RSON can help rack-scale computing systems achieve up to 6.8X higher performance under the same energy consumption than state-of-the-art systems under the latest APEX (application performance at extreme scale) benchmarks.

Original languageEnglish
Title of host publicationProceedings of the 2018 Design, Automation and Test in Europe Conference and Exhibition, DATE 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1369-1374
Number of pages6
ISBN (Electronic)9783981926316
DOIs
Publication statusPublished - 19 Apr 2018
Event2018 Design, Automation and Test in Europe Conference and Exhibition, DATE 2018 - Dresden, Germany
Duration: 19 Mar 201823 Mar 2018

Publication series

NameProceedings of the 2018 Design, Automation and Test in Europe Conference and Exhibition, DATE 2018
Volume2018-January

Conference

Conference2018 Design, Automation and Test in Europe Conference and Exhibition, DATE 2018
Country/TerritoryGermany
CityDresden
Period19/03/1823/03/18

Bibliographical note

Publisher Copyright:
© 2018 EDAA.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

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