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The burgeoning RISC-V ecosystem necessitates efficient verification methodologies for complex processors. Traditional approaches often struggle to concurrently evaluate functional correctness and performance, or balance simulation speed…

Hardware Architecture · Computer Science 2025-05-16 Ruizhi Qiu , Yang Liu

Formal property verification (FPV) has existed for decades and has been shown to be effective at finding intricate RTL bugs. However, formal properties, such as those written as SystemVerilog Assertions (SVA), are time-consuming and…

Hardware Architecture · Computer Science 2024-10-28 Marcelo Orenes-Vera , Margaret Martonosi , David Wentzlaff

Hardware development critically depends on cycle-accurate RTL simulation. However, as chip complexity increases, conventional single-threaded simulation becomes impractical due to stagnant single-core performance. Parendi is an RTL…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-18 Mahyar Emami , Thomas Bourgeat , James Larus

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 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

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

Cycle-accurate simulators are widely used to study systolic accelerators, yet their accuracy and usability are often limited by weak validation against real hardware and poor integration with modern ML compiler stacks. This paper presents…

Hardware Architecture · Computer Science 2026-03-25 Jingtian Dang , Ritik Raj , Changhai Man , Jianming Tong , Tushar Krishna

Reinforcement learning with verifiable rewards (RLVR) has recently unlocked strong reasoning capabilities in large language models (LLMs), triggering rapid exploration of new algorithms and data. However, RLVR training is notoriously…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-21 Yiqi Zhang , Fangzheng Jiao , Tian Tang , Boyu Tian , Hangyu Wang , Qiaoling Chen , Guoteng Wang , Zhen Jiang , Peng Sun , Ping Zhang , Xiaohe Hu , Ziming Liu , Menghao Zhang , Yanmin Jia , Yang You , Siyuan Feng

The deployment of Large Language Models (LLMs) for code debugging (e.g., C and Python) is widespread, benefiting from their ability to understand and interpret intricate concepts. However, in the semiconductor industry, utilising LLMs to…

Hardware Architecture · Computer Science 2024-05-14 Ke Xu , Jialin Sun , Yuchen Hu , Xinwei Fang , Weiwei Shan , Xi Wang , Zhe Jiang

The demand for efficient large language model (LLM) inference has propelled the development of dedicated accelerators. As accelerators are vulnerable to hardware faults due to aging, variation, etc, existing accelerator designs often…

Hardware Architecture · Computer Science 2025-04-08 Tong Xie , Jiawang Zhao , Zishen Wan , Zuodong Zhang , Yuan Wang , Runsheng Wang , Ru Huang , Meng Li

In digital IC design, compared with post-synthesis netlists or layouts, the early register-transfer level (RTL) stage offers greater optimization flexibility for both designers and EDA tools. However, timing information is typically…

Hardware Architecture · Computer Science 2024-05-07 Wenji Fang , Shang Liu , Hongce Zhang , Zhiyao Xie

A large semantic gap between the high-level synthesis (HLS) design and the low-level (on-board or RTL) simulation environment often creates a barrier for those who are not FPGA experts. Moreover, such low-level simulation takes a long time…

Hardware Architecture · Computer Science 2018-12-27 Yuze Chi , Young-kyu Choi , Jason Cong , Jie Wang

Large language models (LLMs) have shown promise in generating RTL code from natural-language descriptions, but existing methods remain static and struggle to adapt to evolving design requirements, potentially causing structural drift and…

Software Engineering · Computer Science 2026-03-30 Luanrong Chen , Renzhi Chen , Xinyu Li , Shanshan Li , Rui Gong , Lei Wang

RTL generation is more than code synthesis. Designs must be syntactically valid, synthesizable, correct, hardware-efficient. SOTA evaluations stop at functional correctness and do not measure synthesis and implementation quality. This paper…

Hardware Architecture · Computer Science 2026-05-12 Weimin Fu , Zeng Wang , Minghao Shao , Ramesh Karri , Muhammad Shafique , Johann Knechtel , Ozgur Sinanoglu , Xiaolong Guo

As large language models (LLMs) have shown great success in many tasks, they are used in various applications. While a lot of works have focused on the efficiency of single-LLM application (e.g., offloading, request scheduling, parallelism…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-24 Jingzhi Fang , Yanyan Shen , Yue Wang , Lei Chen

Future exascale high-performance computing (HPC) systems will be constructed from VLSI devices that will be less reliable than those used today, and faults will become the norm, not the exception. This will pose significant problems for…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-05-24 Saurabh Hukerikar , Robert F. Lucas

The ever-growing popularity of large language models (LLMs) has resulted in their increasing adoption for hardware design and verification. Prior research has attempted to assess the capability of LLMs to automate digital hardware design by…

Hardware Architecture · Computer Science 2024-08-07 Sneha Swaroopa , Rijoy Mukherjee , Anushka Debnath , Rajat Subhra Chakraborty

A well-known testing method for the safety evaluation and real-time validation of automotive software systems (ASSs) is Fault Injection (FI). In accordance with the ISO 26262 standard, the faults are introduced artificially for the purpose…

Software Engineering · Computer Science 2026-03-19 Mohammad Abboush , Ahmad Hatahet , Andreas Rausch

High-Level Synthesis allows hardware designers to create complex RTL designs using C/C++. The traditional HLS workflow involves iterations of C/C++ simulation for partial functional verification and HLS synthesis for coarse timing…

Performance · Computer Science 2023-04-25 Rishov Sarkar , Cong Hao

Differences between computer simulation of dynamical systems and laboratory experiments are common in teaching and research in engineering. Normally, numerical inaccuracy and the non-ideal behaviour of the devices involved in the experiment…

Numerical Analysis · Mathematics 2016-12-14 M. L. C. Peixoto , E. G. Nepomuceno , H. M. Rodrigues , S. A. M. Martins , G. F. V. Amaral