Scalable and Efficient Intra- and Inter-node Interconnection Networks for Post-Exascale Supercomputers and Data centers

📝 Original Info

• Title: Scalable and Efficient Intra- and Inter-node Interconnection Networks for Post-Exascale Supercomputers and Data centers
• ArXiv ID: 2511.04677
• Date: 2025-11-06
• Authors: Joaquin Tarraga-Moreno, Daniel Barley, Francisco J. Andujar Munoz, Jesus Escudero-Sahuquillo, Holger Froning, Pedro Javier Garcia, Francisco J. Quiles, Jose Duato

📝 Abstract

The rapid growth of data-intensive applications such as generative AI, scientific simulations, and large-scale analytics is driving modern supercomputers and data centers toward increasingly heterogeneous and tightly integrated architectures. These systems combine powerful CPUs and accelerators with emerging high-bandwidth memory and storage technologies to reduce data movement and improve computational efficiency. However, as the number of accelerators per node increases, communication bottlenecks emerge both within and between nodes, particularly when network resources are shared among heterogeneous components.

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