collaborators

5 papers

cs.AI2026

InferOpt: Constrained Multi-Objective Search for LLM Inference Configurations

Qi Chen, Yingying Cheng, Zhaoyi Sun +3

Serving an LLM means setting dozens of inference-time knobs, from per-layer KV retention to per-layer expert counts. Practice sets them with mechanism-specific heuristics that retu…

cs.LG2026

Max-Window Scale Estimation for Near-Lossless HiF8 W8A8 Quantization-Aware Training

Yingying Cheng, Jinquan Shi, Li Zhou +4

Quantization-aware training (QAT) with low-bit floating-point formats enables efficient LLM deployment, yet introduces subtle failure modes invisible to standard training metrics.…

cs.DC2026

SDSL-Solver: Scalable Distributed Sparse Linear Solvers for Large-Scale Interior Point Methods

Shaofeng Yang, Yunting Wang, Yingying Cheng +3

The solution of sparse linear systems constitutes the dominant computational bottleneck in interior point methods (IPMs), frequently consuming over 70% of the total solution time.…

cs.AI2025

GridCodex: A RAG-Driven AI Framework for Power Grid Code Reasoning and Compliance

Jinquan Shi, Yingying Cheng, Fan Zhang +3

The global shift towards renewable energy presents unprecedented challenges for the electricity industry, making regulatory reasoning and compliance increasingly vital. Grid codes,…

cs.AI2025

Making Slow Thinking Faster: Compressing LLM Chain-of-Thought via Step Entropy

Zeju Li, Jianyuan Zhong, Ziyang Zheng +5

Large Language Models (LLMs) using Chain-of-Thought (CoT) prompting excel at complex reasoning but generate verbose thought processes with considerable redundancy, leading to incre…