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cs.LG2026
Efficient Cost-Aware LLM Evaluation via Bayesian Bandit Gittins Indices
Qian Xie, Yueli He, Nairen Cao
Exhaustively evaluating every candidate LLM configuration on every benchmark item to identify a high-performing one is costly. We formulate configuration selection as a cost-aware…
cs.LG2025
LLM-Driven Composite Neural Architecture Search for Multi-Source RL State Encoding
Yu Yu, Qian Xie, Nairen Cao +1
Designing state encoders for reinforcement learning (RL) with multiple information sources -- such as sensor measurements, time-series signals, image observations, and textual inst…