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Optimizing Register Transfer Level (RTL) code is crucial for improving the power, performance, and area (PPA) of digital circuits in the early stages of synthesis. Manual rewriting, guided by synthesis feedback, can yield high-quality…

Hardware Architecture · Computer Science 2025-09-23 Yiting Wang , Wanghao Ye , Ping Guo , Yexiao He , Ziyao Wang , Bowei Tian , Shwai He , Guoheng Sun , Zheyu Shen , Sihan Chen , Ankur Srivastava , Qingfu Zhang , Gang Qu , Ang Li

Register Transfer Level(RTL) code optimization is crucial for achieving high performance and low power consumption in digital circuit design. However, traditional optimization methods often rely on manual tuning and heuristics, which can be…

Software Engineering · Computer Science 2025-07-23 Zhihao Xu , Bixin Li , Lulu Wang

Recent advances in large language models (LLMs) have sparked growing interest in automatic RTL optimization for better performance, power, and area (PPA). However, existing methods are still far from realistic RTL optimization. Their…

Artificial Intelligence · Computer Science 2026-04-28 Wenji Fang , Yao Lu , Shang Liu , Jing Wang , Ziyan Guo , Junxian He , Fengbin Tu , Zhiyao Xie

The automated generation of design RTL based on large language model (LLM) and natural language instructions has demonstrated great potential in agile circuit design. However, the lack of datasets and benchmarks in the public domain…

Hardware Architecture · Computer Science 2025-03-20 Shang Liu , Yao Lu , Wenji Fang , Mengming Li , Zhiyao Xie

Optimizing Register-Transfer Level (RTL) code is crucial for improving hardware PPA performance. Large Language Models (LLMs) offer new approaches for automatic RTL code generation and optimization. However, existing methods often lack…

Hardware Architecture · Computer Science 2025-01-13 Bowei Wang , Qi Xiong , Zeqing Xiang , Lei Wang , Renzhi Chen

We investigate the capabilities and scalability of Large Language Models (LLMs) in optimization modeling, a domain requiring structured reasoning and precise formulation. To this end, we introduce OPT-ENGINE, an extensible benchmark…

Computation and Language · Computer Science 2026-05-15 Yitian Chen , Cheng Cheng , Yinan Sun , Zi Ling , Dongdong Ge

Inspired by the recent success of large language models (LLMs) like ChatGPT, researchers start to explore the adoption of LLMs for agile hardware design, such as generating design RTL based on natural-language instructions. However, in…

Machine Learning · Computer Science 2023-11-14 Yao Lu , Shang Liu , Qijun Zhang , Zhiyao Xie

As IC design grows more complex, automating comprehension and documentation of RTL code has become increasingly important. Engineers currently should manually interpret existing RTL code and write specifications, a slow and error-prone…

Hardware Architecture · Computer Science 2025-12-02 Hung-Ming Huang , Yu-Hsin Yang , Fu-Chieh Chang , Yun-Chia Hsu , Yin-Yu Lin , Ming-Fang Tsai , Chun-Chih Yang , Pei-Yuan Wu

Applying large language models (LLMs) to RTL code optimization for improved power, performance, and area (PPA) faces two key challenges: ensuring functional correctness of optimized designs despite LLM hallucination, and systematically…

Hardware Architecture · Computer Science 2026-03-23 Heng Ping , Peiyu Zhang , Zhenkun Wang , Shixuan Li , Anzhe Cheng , Wei Yang , Paul Bogdan , Shahin Nazarian

Large Language Models (LLMs) have emerged as powerful tools for software development tasks such as code completion, translation, and optimization. However, their ability to generate efficient and correct code, particularly in complex…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-19 Bowen Cui , Tejas Ramesh , Oscar Hernandez , Keren Zhou

Register Transfer Level (RTL) code optimization is crucial for enhancing the efficiency and performance of digital circuits during early synthesis stages. Currently, optimization relies heavily on manual efforts by skilled engineers, often…

Hardware Architecture · Computer Science 2024-09-19 Xufeng Yao , Yiwen Wang , Xing Li , Yingzhao Lian , Ran Chen , Lei Chen , Mingxuan Yuan , Hong Xu , Bei Yu

Large Language Models (LLMs) are gaining prominence in various fields, thanks to their ability to generate high- quality content from human instructions. This paper delves into the field of chip design using LLMs, specifically in Power-…

Hardware Architecture · Computer Science 2025-10-21 Kiran Thorat , Jiahui Zhao , Yaotian Liu , Amit Hasan , Hongwu Peng , Xi Xie , Bin Lei , Caiwen Ding

Existing large language models (LLMs) for register transfer level code generation face challenges like compilation failures and suboptimal power, performance, and area (PPA) efficiency. This is due to the lack of PPA awareness in…

Recently, large language models (LLMs) have demonstrated excellent performance, inspiring researchers to explore their use in automating register transfer level (RTL) code generation and improving hardware design efficiency. However, the…

Computation and Language · Computer Science 2025-04-24 Peiyang Wu , Nan Guo , Xiao Xiao , Wenming Li , Xiaochun Ye , Dongrui Fan

Large language models (LLMs) show promise for automated code optimization. However, without performance context, they struggle to produce correct and effective code transformations. Existing performance tools can identify bottlenecks but…

Performance · Computer Science 2026-04-28 Mohammad Zaeed , Tanzima Z. Islam , Vladimir Indic

The automated generation of hardware register-transfer level (RTL) code with large language models (LLMs) shows promise, yet current solutions struggle to produce syntactically and functionally correct code for complex digital designs. This…

Software Engineering · Computer Science 2026-01-21 Nowfel Mashnoor , Mohammad Akyash , Hadi Kamali , Kimia Azar

The rapid adoption of large language models(LLMs) in hardware design has primarily focused on generating functionally correct Verilog code, overlooking critical Power Performance-Area(PPA) metrics essential for industrial-grade designs. To…

Software Engineering · Computer Science 2025-07-22 Kimia Tasnia , Alexander Garcia , Tasnuva Farheen , Sazadur Rahman

Large Language Models (LLMs) have revolutionized various domains but encounter substantial challenges in tackling optimization modeling tasks for Operations Research (OR), particularly when dealing with complex problem. In this work, we…

Computation and Language · Computer Science 2025-06-24 Yang Wu , Yifan Zhang , Yurong Wu , Yuran Wang , Junkai Zhang , Jian Cheng

Large language models (LLMs) have become increasingly capable of following instructions and complex reasoning, making prompting a flexible interface for adapting models without parameter updates. Yet prompt design remains labor-intensive…

Computation and Language · Computer Science 2026-05-22 Farima Fatahi Bayat , Moin Aminnaseri , Pouya Pezeshkpour , Estevam Hruschka

Manual optimization of Register Transfer Level (RTL) datapath is commonplace in industry but holds back development as it can be very time consuming. We utilize the fact that a complex transformation of one RTL into another equivalent RTL…

Hardware Architecture · Computer Science 2022-07-27 Samuel Coward , George A. Constantinides , Theo Drane
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