Author

Ta Tuan

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Preprint Aug 2026

NUNA: Characterizing and Mitigating Non-Uniform Network Access in Multi-Die GPU Scale-Up Systems

This work highlights the need for NUNA-aware routing (NAR), choosing optimized, spatially-aware inter-GPU paths in large scale-up network topologies and introduces NUNA-aware placement (NAP), placing threadblocks and data near I/O to optimize the inter-GPU traffic.

C. Green, William Won, Ta Tuan et al. · 1 citation