collaborators

5 papers

cs.LG2026

Optimizing CUDA like a Human: Micro-Profiling Tools as Expert Surrogates for LLM-Based GPU Kernel Optimization

Jiading Gai, Shuai Zhang, Kaj Bostrom +6

We present KernelPro, a closed-loop multi-agent system that automatically generates, profiles, and iteratively optimizes GPU kernel code by integrating large language model (LLM) c…

cs.AI2026

ReSyn: Autonomously Scaling Synthetic Environments for Reasoning Models

Andre He, Nathaniel Weir, Kaj Bostrom +4

Reinforcement learning with verifiable rewards (RLVR) has emerged as a promising approach for training reasoning language models (RLMs) by leveraging supervision from verifiers. Al…

cs.CL2026

Generating Data-Driven Reasoning Rubrics for Domain-Adaptive Reward Modeling

Kate Sanders, Nathaniel Weir, Sapana Chaudhary +2

An impediment to using Large Language Models (LLMs) for reasoning output verification is that LLMs struggle to reliably identify errors in thinking traces, particularly in long out…

cs.LG2026

MaxCode: A Max-Reward Reinforcement Learning Framework for Automated Code Optimization

Jiefu Ou, Sapana Chaudhary, Kaj Bostrom +4

Large Language Models (LLMs) demonstrate strong capabilities in general coding tasks but encounter two key challenges when optimizing code: (i) the complexity of writing optimized…

cs.AI2025

VeriCoT: Neuro-symbolic Chain-of-Thought Validation via Logical Consistency Checks

Yu Feng, Nathaniel Weir, Kaj Bostrom +5

LLMs can perform multi-step reasoning through Chain-of-Thought (CoT), but they cannot reliably verify their own logic. Even when they reach correct answers, the underlying reasonin…