collaborators

5 papers

cs.AI2026

PerfReasoning: How Well Do LLMs Reason on Hardware Performance?

Dan Zhao, Karthikeyan Sankaralingam, Christos Kozyrakis +1

Performance modeling is central to hardware design and software optimization, yet constructing these models requires structured reasoning about computation, data reuse, storage, an…

cs.DC2026

Ave: Guiding Agentic GPU Optimization Using Data-Flow Invariants

Haohui Mai, Xiaoyan Guo, Xiangyun Ding +7

LLM coding agents can generate correct GPU kernels, but their performance still trails expert libraries. Reaching peak throughput requires coordinating low-level optimizations such…

cs.LG2026

Improving Efficiency of GPU Kernel Optimization Agents using a Domain-Specific Language and Speed-of-Light Guidance

Siva Kumar Sastry Hari, Vignesh Balaji, Sana Damani +2

Optimizing GPU kernels with LLM agents is an iterative process over a large design space. Every candidate must be generated, compiled, validated, and profiled, so fewer trials will…

cs.AR2025

LIMINAL: Exploring The Frontiers of LLM Decode Performance

Michael Davies, Neal Crago, Karthikeyan Sankaralingam +1

The rapid advancement of Large Language Models (LLMs) necessitates a deep understanding of their fundamental performance limits. This paper investigates the limits of LLM inference…

cs.LG2025

Efficient GNN Training Through Structure-Aware Randomized Mini-Batching

Vignesh Balaji, Christos Kozyrakis, Gal Chechik +1

Graph Neural Networks (GNNs) enable learning on realworld graphs and mini-batch training has emerged as the de facto standard for training GNNs because it can scale to very large g…