activity
20242026
most citedRevisiting Reliability in Large-Scale Machine Learning Research Clusters

1 citations · 1 across the 9 of their papers we have counts for

collaborators

9 papers

cs.DC2026

WeightBridge: An Efficient Weight Transfer Library for Reinforcement Learning

Xuanlin Jiang, Samuel Hsia, Michael Kuchnik +3

Weight transfer - the propagation of updated parameters from trainers to rollout generators - is becoming an important performance bottleneck in reinforcement learning (RL) systems…

cs.DC2026

ScaleAcross Explorer: Exploring Communication Optimization for Scale-Across AI Model Training

Minghao Li, Alicia Golden, Samuel Hsia +14

The rapid scaling of large language model training requires distributing GPU resources across multiple data center buildings and regions. We refer to such paradigm as "scale-across…

cs.AI2026

AIRA_2: Overcoming Bottlenecks in AI Research Agents

Karen Hambardzumyan, Nicolas Baldwin, Edan Toledo +22

Existing research has identified three structural performance bottlenecks in AI research agents: (1) synchronous single-GPU execution constrains sample throughput, limiting the ben…

cs.LG2025

KernelEvolve: Scaling Agentic Kernel Coding for Heterogeneous AI Accelerators at Meta

Gang Liao, Hongsen Qin, Ying Wang +36

Making deep learning recommendation model (DLRM) training and inference fast and efficient is important. However, this presents three key system challenges - model architecture div…

cs.LG2025

Demystifying Synthetic Data in LLM Pre-training: A Systematic Study of Scaling Laws, Benefits, and Pitfalls

Feiyang Kang, Newsha Ardalani, Michael Kuchnik +7

Training data plays a crucial role in Large Language Models (LLM) scaling, yet high quality data is of limited supply. Synthetic data techniques offer a potential path toward sides…

cs.LG2025

Quagmires in SFT-RL Post-Training: When High SFT Scores Mislead and What to Use Instead

Feiyang Kang, Michael Kuchnik, Karthik Padthe +4

In post-training for reasoning Large Language Models (LLMs), the current state of practice trains LLMs in two independent stages: Supervised Fine-Tuning (SFT) and Reinforcement Lea…

cs.DC2025

PRISM: Probabilistic Runtime Insights and Scalable Performance Modeling for Large-Scale Distributed Training

Alicia Golden, Michael Kuchnik, Samuel Hsia +4

Large model training beyond tens of thousands of GPUs is an uncharted territory. At such scales, disruptions to the training process are not a matter of if, but a matter of when --…

cs.AI2025

AI Research Agents for Machine Learning: Search, Exploration, and Generalization in MLE-bench

Edan Toledo, Karen Hambardzumyan, Martin Josifoski +22

AI research agents are demonstrating great potential to accelerate scientific progress by automating the design, implementation, and training of machine learning models. We focus o…

cs.DC2024★ 1 cited

Revisiting Reliability in Large-Scale Machine Learning Research Clusters

Apostolos Kokolis, Michael Kuchnik, John Hoffman +7

Reliability is a fundamental challenge in operating large-scale machine learning (ML) infrastructures, particularly as the scale of ML models and training clusters continues to gro…