collaborators

10 papers

cs.DC2026

Understanding and Improving Communication Performance in Multi-node LLM Inference

Prajwal Singhania, Siddharth Singh, Lannie Dalton Hough +4

As large language models (LLMs) continue to grow in size, distributed inference has become increasingly important. Model-parallel strategies must now efficiently scale not only acr…

cs.DC2026

Record-Remix-Replay: Hierarchical GPU Kernel Optimization using Evolutionary Search

Daniel Nichols, Konstantinos Parasyris, Caetano Melone +3

As high-performance computing and AI workloads become increasingly dependent on GPUs, maintaining high performance across rapidly evolving hardware generations has become a major c…

cs.PL2025

Optimizing Agentic Language Model Inference via Speculative Tool Calls

Daniel Nichols, Prajwal Singhania, Charles Jekel +2

Language models (LMs) are becoming increasingly dependent on external tools. LM-based agentic frameworks frequently interact with their environment via such tools to search files,…

cs.DC2025

Counting Without Running: Evaluating LLMs' Reasoning About Code Complexity

Gregory Bolet, Giorgis Georgakoudis, Konstantinos Parasyris +4

Modern GPU software stacks demand developers who can anticipate performance bottlenecks before ever launching a kernel; misjudging floating-point workloads upstream can derail tuni…

cs.SE2025

LLMs as Packagers of HPC Software

Caetano Melone, Daniel Nichols, Konstantinos Parasyris +2

High performance computing (HPC) software ecosystems are inherently heterogeneous, comprising scientific applications that depend on hundreds of external packages, each with distin…

cs.DC2025

Integrating Performance Tools in Model Reasoning for GPU Kernel Optimization

Daniel Nichols, Konstantinos Parasyris, Charles Jekel +2

Language models are now prevalent in software engineering with many developers using them to automate tasks and accelerate their development. While language models have been tremen…