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All-to-All Broadcast Algorithm in Galaxyfly Networks

Author

Listed:
  • Hongbin Zhuang

    (College of Computer and Data Science, Fuzhou University, Fuzhou 350108, China)

  • Jou-Ming Chang

    (Institute of Information and Decision Sciences, National Taipei University of Business, Taipei 10051, Taiwan)

  • Xiao-Yan Li

    (College of Computer and Data Science, Fuzhou University, Fuzhou 350108, China)

  • Fangying Song

    (School of Mathematics and Statistics, Fuzhou University, Fuzhou 350108, China)

  • Qinying Lin

    (College of Computer and Data Science, Fuzhou University, Fuzhou 350108, China)

Abstract

The design of interconnection networks is a fundamental aspect of high-performance computing (HPC) systems. Among the available topologies, the Galaxyfly network stands out as a low-diameter and flexible-radix network for HPC applications. Given the paramount importance of collective communication in HPC performance, in this paper, we present two different all-to-all broadcast algorithms for the Galaxyfly network, which adhere to the supernode-first rule and the router-first rule, respectively. Our performance evaluation validates their effectiveness and shows that the first algorithm has a higher degree of utilization of network channels, and that the second algorithm can significantly reduce the average time for routers to collect packets from the supernode.

Suggested Citation

  • Hongbin Zhuang & Jou-Ming Chang & Xiao-Yan Li & Fangying Song & Qinying Lin, 2023. "All-to-All Broadcast Algorithm in Galaxyfly Networks," Mathematics, MDPI, vol. 11(11), pages 1-14, May.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:11:p:2459-:d:1156609
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