Hanwei Fan
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126
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Architecture×1ML×1
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2026
HiFuzz: Hierarchical Reinforcement Learning for Semantic-Aware and Adaptive CPU Fuzzing
This paper introduces HiFuzz, a hierarchical reinforcement learning framework for processor verification that replaces mutation with a structured generation process and integrates coverage reward mechanism and semantic-aware basic block encoder.
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Papers
cs.ARcs.LGEmpiricalRecentJul 7, 2026
HiFuzz: Hierarchical Reinforcement Learning for Semantic-Aware and Adaptive CPU Fuzzing
Ya Wang, Hanwei Fan, Zhenguo Liu, Xiaofeng Zhou +3 more
This paper introduces HiFuzz, a hierarchical reinforcement learning framework for processor verification that replaces mutation with a structured generation process and integrates coverage reward mech…
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