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Haoran Wei

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Barre: Empowering Simplified and Versatile Programmable Congestion Control in...USENIX ATC '252025-07-07
Barre is a practical PCC-style congestion controller that runs on BlueField-3 SmartNICs, uses RTD probe packets plus high-frequency CMP signals, and implements…
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MegaScale: Scaling Large Language Model Training to More Than 10,000 GPUs21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24)2024-04-16
MegaScale is a production system that trains LLMs on more than 10,000 GPUs and achieves concrete gains: 55.2% Model FLOPs Utilization when training a 175B…
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Hostping: Diagnosing Intra-host Network Bottlenecks in RDMA ServersNSDI 20232023-04-17
Hostping runs loopback tests between RNICs and endpoints to measure intra-host latency and bandwidth and uses baseline comparison plus a binary network…
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