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Yu Guan

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TrainMover: An Interruption-Resilient Runtime for ML Training20th USENIX Symposium on Operating Systems Design and Implementation (OSDI '26)2026-07-13
TrainMover is an ML training runtime that prepares standby GPUs ahead of interruptions by pre-recording output tensors and running communication-free sandboxed…
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EROICA: Online Performance Troubleshooting for Large-scale Model TrainingNSDI '262026-05-04
EROICA is an online profiler that triggers only on iteration slowdowns, profiles all workers simultaneously, extracts beta, mu, sigma fingerprints for…
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Evolution of Aegis: Fault Diagnosis for AI Model Training Service in ProductionNSDI '252025-04-28
Aegis is a production fault diagnosis system for AI model training that evolves from enhanced legacy tools to a customized collective communication library…
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Mitigating Scalability Walls of RDMA-based Container NetworksNSDI '252025-04-28
ScalaCN infers RNIC internals via combinatorial causal testing and links specific config dimensions to failures, finding that increasing flow-group query cost…
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Making Sense of Sleep: Multimodal Sleep Stage Classification in a Large, Diverse Population ...UbiComp / ISWC 20202020-09-12
Study uses multimodal actigraphy and ECG from 1,743 participants to extract 370 activity statistics and HRV features per epoch, aligns RR intervals with…
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