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Author

Roger Pearce

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Preprint Oct 2026

MailRail: Mitigating Incast Congestion with User-Space, Node-Based Flow Control

Irregular workloads, such as those stemming from Graph Neural Networks (GNNs) and Mixture-of-Experts (MoE) models, frequently induce severe incast congestion in large-scale parallel environments. Existing fabric-level congestion control mechanisms rely on reactive, link-level rate limiting that degrades overall through...

Noel Gomillion, Lance G. Fletcher, T. Steil et al. · 0 citations
Jul 2026

Distributed Maximal Independent Set Computation in Hundred Billion-Edge Graphs

An independent set of an undirected graph is a subset of vertices where no two vertices included in the set are neighbors. A Maximal Independent Set (MIS) of a graph is an independent set such that no additional vertices can be added to the set without violating the requirements of an independent set. To support modern...

Yisheng Liu, Roger Pearce, Tahsin Reza · 0 citations

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