Author

Mark Harman

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Preprint Oct 2026

OpenRUA: Robot-Use Agents Are Zero-Shot Visuomotor Policies

Coding agents are extending their reach into the physical world by writing and executing robot control programs. One might expect the agents to use the existing mature software stack that engineers have developed over decades to access sensors and control motion. Yet prior work primarily engineers complex custom harnes...

Zhao-Yang Chu, Earl T. Barr, Claire Le Goues et al. · 4 citations

Preprint Aug 2026

Ockhamareto: Pareto-Gated Segment-Level Credit Assignment for Concise Unit-Test Generation with Reinforcement Learning

Ockhamareto is introduced, a single-shot GRPO framework for unit-test generation and selection, based on the principles of Ockham's Razor and Pareto Optimality, and it is shown that the knee point of the optimal trade-off between efficiency and effectiveness on the Pareto front is not correlated with obvious more easil...

Dong Huang, Mark Harman, Jie M. Zhang et al. · 3 citations

Preprint Aug 2026

COMPAS: Difficulty-Aware Joint Search for Optimizing Code Generation

COMPAS (Code-generation Optimization over Models, Prompts, And Decoding Settings), a difficulty-aware method that learns group-specific quality-cost fronts through low-cost model selection and joint prompt-decoding search, then routes each test task to its matching front online without further search.

Jing-Zhi Gong, Jie M. Zhang, Gunel Jahangirova et al. · 0 citations