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Zhichao Lu

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#artificial intelligence Preprint Sep 2026

STEPQuant: When and Where Errors Matter in Delta-Rule Recurrent State Quantization

STEPQuant is proposed, a spatial-temporal post-training quantization framework for Delta-rule recurrent states that allocates precision according to error magnitude and memory lifetime, and jointly fits key-row and value-column scales based on state distributions and key-row impact on output error.

Bing-Chen Yao, Hao-Bo Xu, Hao-Kun Lin et al. · 0 citations
Preprint Aug 2026

Benchmarking Trustworthiness of SLMs: Pre-trained vs. Compressed

First, it is demonstrated that quantization is significantly more effective in preserving trustworthiness compared to pruning, and more importantly, it is demonstrated that compressing a reliable large model via quantization can produce SLMs with superior trustworthiness and adaptability compared to using small models...

Hao-Kun Lin, Kai-Jie Zhu, Hao-Bo Xu et al. · 2 citations
Preprint Aug 2026

Don't Regenerate, Debug: A Domain-Specific Agent for Repairing Near-Miss Hardware Operators

A domain-specific debug agent is presented that addresses three core challenges in autonomous repair: mitigating knowledge scarcity through retrieved patterns and diagnostic instrumentation, ensuring integrity through anti-cheat detection and full-coverage evaluation, and controlling cost via convergence guards and bou...

Yansong Sun, Shenxi Wu, Siyuan Chen et al. · 0 citations
Preprint Aug 2026

Beyond Scaling: Self-Evolving LLM Agents for Hardware Kernel Optimization via an Experience-Driven Workflow and Experience Graph Memory

KOPE is presented, an experience-driven framework for hardware kernel optimization that records optimization trajectories with correctness and performance feedback in Experience Graph Memory, then uses Active Context Management and Injection to retrieve relevant experience under a fixed token budget.

Siyuan Chen, Runlin Hou, Shenxi Wu et al. · 0 citations
#machine learning Preprint Aug 2026

Understanding Evolution Strategies for LLM Reasoning: Broader Reasoning Coverage than GRPO

These findings position ES as a distinct reasoning post-training paradigm rather than a less effective, memory-efficient alternative to GRPO, and study how hyperparameter design affects the effectiveness of ES, demonstrating that ES requires a smaller population size in a larger LLM.

Yunpeng Ba, Zhi Zheng, Yue Xie et al. · 0 citations

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