activity
20242026
collaborators

10 papers

cs.LG2026

Unifying Sparse Attention with Hierarchical Memory for Scalable Long-Context LLM Serving

Zihan Zhao, Baotong Lu, Shengjie Lin +8

Long-context LLM serving is bottlenecked by the cost of attending over ever-growing KV caches. Dynamic sparse attention promises relief by accessing only a small, query-dependent s…

cs.DC2025

Straggler Tolerant and Resilient DL Training on Homogeneous GPUs

Zeyu Zhang, Haiying Shen

Despite the popularity of homogeneous GPU-based deep learning (DL) training, the prevalence, causes and impact of stragglers and the effectiveness of existing straggler mitigation…

cs.DC2025

MorphServe: Efficient and Workload-Aware LLM Serving via Runtime Quantized Layer Swapping and KV Cache Resizing

Zhaoyuan Su, Zeyu Zhang, Tingfeng Lan +4

Efficiently serving large language models (LLMs) under dynamic and bursty workloads remains a key challenge for real-world deployment. Existing serving frameworks and static model…

cs.CL2025

Semantic Caching of Contextual Summaries for Efficient Question-Answering with Language Models

Camille Couturier, Spyros Mastorakis, Haiying Shen +2

Large Language Models (LLMs) are increasingly deployed across edge and cloud platforms for real-time question-answering and retrieval-augmented generation. However, processing leng…

cs.DC2025

DeepCompile: A Compiler-Driven Approach to Optimizing Distributed Deep Learning Training

Masahiro Tanaka, Du Li, Umesh Chand +3

The rapid growth of deep learning models has increased the demand for efficient distributed training strategies. Fully sharded approaches like ZeRO-3 and FSDP partition model param…

cs.LG2025

HERA: Hybrid Edge-cloud Resource Allocation for Cost-Efficient AI Agents

Shiyi Liu, Haiying Shen, Shuai Che +2

In the realm of AI, large language models (LLMs) like GPT-4, central to the operation of AI agents, predominantly operate in the cloud, incurring high operational costs. With local…