collaborators

7 papers

cs.DC2026

ConfigSpec: Profiling-Based Configuration Selection for Distributed Edge--Cloud Speculative LLM Serving

Xiangchen Li, Saeid Ghafouri, Jiakun Fan +3

Speculative decoding enables collaborative Large Language Model (LLM) inference across cloud and edge by separating lightweight token drafting from heavyweight verification. While…

cs.DC2026

WISP: Waste- and Interference-Suppressed Distributed Speculative LLM Serving at the Edge via Dynamic Drafting and SLO-Aware Batching

Xiangchen Li, Jiakun Fan, Qingyuan Wang +7

As Large Language Models (LLMs) become increasingly accessible to end users, an ever-growing number of inference requests are initiated from edge devices and computed on centralize…

cs.DC2026

Taming the Memory Footprint Crisis: System Design for Production Diffusion LLM Serving

Jiakun Fan, Yanglin Zhang, Xiangchen Li +1

Diffusion Large Language Models (dLLMs) have emerged as a promising alternative to Autoregressive Models (ARMs), utilizing parallel decoding to overcome sequential bottlenecks. How…

cs.DC2026

APEX: Asynchronous Parallel CPU-GPU Execution for Online LLM Inference on Constrained GPUs

Jiakun Fan, Yanglin Zhang, Xiangchen Li +1

Deploying large language models (LLMs) for online inference is often constrained by limited GPU memory, particularly due to the growing KV cache during auto-regressive decoding. Hy…

cs.CV2026

Polymorph: Energy-Efficient Multi-Label Classification for Video Streams on Embedded Devices

Saeid Ghafouri, Mohsen Fayyaz, Xiangchen Li +4

Real-time multi-label video classification on embedded devices is constrained by limited compute and energy budgets. Yet, video streams exhibit structural properties such as label…

cs.DC2025

SLED: A Speculative LLM Decoding Framework for Efficient Edge Serving

Xiangchen Li, Dimitrios Spatharakis, Saeid Ghafouri +5

The growing gap between the increasing complexity of large language models (LLMs) and the limited computational budgets of edge devices poses a key challenge for efficient on-devic…