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Large Language Models (LLMs) show promise for generating Register-Transfer Level (RTL) code from natural language specifications, but single-shot generation achieves only 60-65% functional correctness on standard benchmarks. Multi-agent…

Hardware Architecture · Computer Science 2026-04-23 Cagri Eryilmaz

The automatic generation of RTL code (e.g., Verilog) through natural language instructions has emerged as a promising direction with the advancement of large language models (LLMs). However, producing RTL code that is both syntactically and…

Hardware Architecture · Computer Science 2024-12-12 Yujie Zhao , Hejia Zhang , Hanxian Huang , Zhongming Yu , Jishen Zhao

The rise of agentic AI workflows unlocks novel opportunities for computer systems design and optimization. However, for specialized domains such as program synthesis, the relative scarcity of HDL and proprietary EDA resources online…

Hardware Architecture · Computer Science 2025-09-25 Amulya Bhattaram , Janani Ramamoorthy , Ranit Gupta , Diana Marculescu , Dimitrios Stamoulis

Register-Transfer Level (RTL) verification is a primary bottleneck, consuming 60-70% of development time. While Large Language Models (LLMs) show promise for RTL automation, their performance and research focus have overwhelmingly centered…

Artificial Intelligence · Computer Science 2025-12-10 Yujie Zhao , Zhijing Wu , Boqin Yuan , Zhongming Yu , Hejia Zhang , Wentao Ni , Chia-Tung Ho , Haoxing Ren , Jishen Zhao

Large language models (LLMs) have recently emerged as a promising approach for automating Verilog code generation; however, existing methods primarily emphasize syntactic correctness and often rely on commercial models or external…

While Large Language Models (LLMs) show significant potential in hardware engineering, current benchmarks suffer from saturation and limited task diversity, failing to reflect LLMs' performance in real industrial workflows. To address this…

Artificial Intelligence · Computer Science 2026-02-03 Zhongkai Yu , Chenyang Zhou , Yichen Lin , Hejia Zhang , Haotian Ye , Junxia Cui , Zaifeng Pan , Jishen Zhao , Yufei Ding

Large Language Models have emerged as powerful tools for automating Register-Transfer Level (RTL) code generation, yet they face critical limitations: existing approaches typically fail to simultaneously optimize functional correctness and…

Artificial Intelligence · Computer Science 2026-04-13 Zhirong Chen , Kaiyan Chang , Zhuolin Li , Cangyuan Li , Xinyang He , Chujie Chen , Mengdi Wang , Haobo Xu , Yinhe Han , Huawei Li , Ying Wang

Despite recent progress in generating hardware RTL code with LLMs, existing solutions still suffer from a substantial gap between practical application scenarios and the requirements of real-world RTL code development. Prior approaches…

Hardware Architecture · Computer Science 2025-09-10 Zhongzhi Yu , Mingjie Liu , Michael Zimmer , Yingyan Celine Lin , Yong Liu , Haoxing Ren

LLMs have recently demonstrated strong capabilities in automatic RTL code generation, achieving high syntactic and functional correctness. However, most methods focus on functional correctness while overlooking critical physical design…

Computation and Language · Computer Science 2026-03-19 Yaoxiang Wang , Qi Shi , ShangZhan Li , Qingguo Hu , Xinyu Yin , Bo Guo , Xu Han , Maosong Sun , Jinsong Su

Training effective AI agents for multi-turn interactions requires high-quality data that captures realistic human-agent dynamics, yet such data is scarce and expensive to collect manually. We introduce APIGen-MT, a two-phase framework that…

Large Language Models (LLMs) are gaining popularity for hardware design automation, particularly through Register Transfer Level (RTL) code generation. In this work, we examine the current literature on RTL generation using LLMs and…

Hardware Architecture · Computer Science 2025-07-21 Paul E. Calzada , Zahin Ibnat , Tanvir Rahman , Kamal Kandula , Danyu Lu , Sujan Kumar Saha , Farimah Farahmandi , Mark Tehranipoor

Register Transfer Level (RTL) design translates high-level specifications into hardware using HDLs such as Verilog. Although LLM-based RTL generation is promising, the scarcity of functionally verifiable high-quality data limits both…

Hardware Architecture · Computer Science 2026-03-31 Xinyu Zhang , Zhiteng Chao , Yonghao Wang , Bin Sun , Tianyun Ma , Tianmeng Yang , Jianan Mu , Jing Justin Ye , Huawei Li

Large Language Models (LLMs) have become increasingly popular for generating RTL code. However, producing error-free RTL code in a zero-shot setting remains highly challenging for even state-of-the-art LLMs, often leading to issues that…

Hardware Architecture · Computer Science 2024-12-09 Mubashir ul Islam , Humza Sami , Pierre-Emmanuel Gaillardon , Valerio Tenace

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 present an agentic flow consisting of multiple agents that combine specialized LLMs and hardware simulation tools to collaboratively complete the complex task of Register Transfer Level (RTL) generation without human intervention. A key…

Software Engineering · Computer Science 2025-11-07 Athma Narayanan , Mahesh Subedar , Omesh Tickoo

The automatic generation of RTL code (e.g., Verilog) using natural language instructions and large language models (LLMs) has attracted significant research interest recently. However, most existing approaches heavily rely on commercial…

Programming Languages · Computer Science 2025-08-07 Shang Liu , Wenji Fang , Yao Lu , Qijun Zhang , Hongce Zhang , Zhiyao Xie

Recent advancements in large language models (LLMs) have enabled understanding webpage contexts, product details, and human instructions. Utilizing LLMs as the foundational architecture for either reward models or policies in reinforcement…

Machine Learning · Computer Science 2024-08-30 Shuang Feng , Grace Feng

Automation of Register Transfer Level (RTL) design can help developers meet increasing computational demands. Large Language Models (LLMs) show promise for Hardware Description Language (HDL) generation, but face challenges due to limited…

Recent advances in agentic LLMs have demonstrated great capabilities in Verilog code generation. However, existing approaches either use LLM-assisted single-agent prompting or cooperation-only multi-agent learning, which will lead to: (i)…

Machine Learning · Computer Science 2025-06-09 Zhendong Mi , Renming Zheng , Haowen Zhong , Yue Sun , Seth Kneeland , Sayan Moitra , Ken Kutzer , Zhaozhuo Xu Shaoyi Huang

Automating Register Transfer Level (RTL) code generation using Large Language Models (LLMs) offers substantial promise for streamlining digital circuit design and reducing human effort. However, current LLM-based approaches face significant…

Artificial Intelligence · Computer Science 2025-05-20 Yiting Wang , Guoheng Sun , Wanghao Ye , Gang Qu , Ang Li
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