collaborators

6 papers

cs.AR2026

Approaching Shannon Bound with Lossless LLM Weight Compression

Hongshi Tan, Yao Chen, Gustavo Alonso +2

Large language models (LLMs) now scale to trillions of parameters, driving weight storage into the terabyte regime and creating an acute mismatch with GPU memory capacity. Although…

cs.DC2026

Arena: Efficiently Training Large Models via Dynamic Scheduling and Adaptive Parallelism Co-Design

Chunyu Xue, Weihao Cui, Quan Chen +10

Efficiently training large-scale models (LMs) in GPU clusters involves two separate avenues: inter-job dynamic scheduling and intra-job adaptive parallelism (AP). However, existing…

cs.DC2026

MuxTune: Efficient Multi-Task LLM Fine-Tuning in Multi-Tenant Datacenters via Spatial-Temporal Backbone Multiplexing

Chunyu Xue, Yi Pan, Weihao Cui +4

Parameter-Efficient Fine-Tuning (PEFT) is widely applied as the backend of fine-tuning APIs for large language model (LLM) customization in datacenters. Service providers deploy se…

cs.OS2026

Flare: Anomaly Diagnostics for Divergent LLM Training in GPU Clusters of Thousand-Plus Scale

Weihao Cui, Ji Zhang, Han Zhao +5

The rapid proliferation of large language models has driven the need for efficient GPU training clusters. However, it is challenging due to the frequent occurrence of training anom…

cs.OS2026

Towards High-Goodput LLM Serving with Prefill-decode Multiplexing

Yukang Chen, Weihao Cui, Han Zhao +7

Large Language Model (LLM) serving must meet stringent Service Level Objectives (SLOs) for both the prefill and decode phases. Some existing solutions disaggregate the two phases,…

cs.OS2025

Efficient Function-as-a-Service for Large Language Models with TIDAL

Weihao Cui, Ziyi Xu, Han Zhao +4

Large Language Model (LLM) applications have emerged as a prominent use case for Function-as-a-Service (FaaS) due to their high computational demands and sporadic invocation patter…