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Recent advances in code generation have illuminated the potential of employing large language models (LLMs) for general-purpose programming languages such as Python and C++, opening new opportunities for automating software development and…

Machine Learning · Computer Science 2025-03-06 Jiahao Gai , Hao Mark Chen , Zhican Wang , Hongyu Zhou , Wanru Zhao , Nicholas Lane , Hongxiang Fan

High-level synthesis (HLS) enhances digital hardware design productivity through a high abstraction level. Even if the HLS abstraction prevents fine-grained manual register-transfer level (RTL) optimizations, it also enables automatable…

Hardware Architecture · Computer Science 2024-01-01 Giovanni Brignone , Mihai T. Lazarescu , Luciano Lavagno

Accessible machine learning algorithms, software, and diagnostic tools for energy-efficient devices and systems are extremely valuable across a broad range of application domains. In scientific domains, real-time near-sensor processing can…

High-level synthesis (HLS) is a powerful tool for developing efficient hardware accelerators that rely on specialized memory systems to achieve sufficient on-chip data reuse and off-chip bandwidth utilization. However, even with HLS,…

Programming Languages · Computer Science 2026-01-26 Izumi Tanaka , Ken Sakayori , Shinya Takamaeda-Yamazaki , Naoki Kobayashi

In last two years, large language models (LLMs) have shown strong capabilities in code generation, including hardware design at register-transfer level (RTL). While their use in high-level synthesis (HLS) remains comparatively less mature,…

Hardware Architecture · Computer Science 2026-01-29 M Zafir Sadik Khan , Kimia Azar , Hadi Kamali

Embedded systems continue to rapidly proliferate in diverse fields, including medical devices, autonomous vehicles, and more generally, the Internet of Things (IoT). Many embedded systems require application-specific hardware components to…

Hardware Architecture · Computer Science 2024-04-24 Yuchao Liao , Tosiron Adegbija , Roman Lysecky

High-level synthesis (HLS) notably speeds up the hardware design process by avoiding RTL programming. However, the turnaround time of HLS increases significantly when post-route quality of results (QoR) are considered during optimization.…

Hardware Architecture · Computer Science 2024-01-18 Mingzhe Gao , Jieru Zhao , Zhe Lin , Minyi Guo

Implementing Machine Learning (ML) models on Field-Programmable Gate Arrays (FPGAs) is becoming increasingly popular across various domains as a low-latency and low-power solution that helps manage large data rates generated by continuously…

Machine Learning · Computer Science 2024-08-13 Mohammad Mehdi Rahimifar , Hamza Ezzaoui Rahali , Audrey C. Therrien

High-Level Synthesis (HLS) compiles algorithmic C/C++ descriptions into hardware, with Quality of Results (QoR) -- latency and resource utilization -- critically governed by pragma configurations and code structure. Existing LLM-based HLS…

Machine Learning · Computer Science 2026-05-14 Qingyun Zou , Feng Yu , Hongshi Tan , Yao Chen , Bingsheng He , WengFai Wong

The increasing demand of dedicated accelerators to improve energy efficiency and performance has highlighted FPGAs as a promising option to deliver both. However, programming FPGAs in hardware description languages requires long time and…

Hardware Architecture · Computer Science 2020-03-31 Maria A. Dávila-Guzmán , Rubén Gran Tejero , María Villarroya-Gaudó , Darío Suárez Gracia

High-Level Synthesis (HLS) aspires to raise the level of abstraction in hardware design without sacrificing hardware efficiency. It has so far been successfully employed in signal and video processing but has found only limited use in other…

Other Computer Science · Computer Science 2014-08-25 Kimon Karras , Michaela Blott , Kees Vissers

High-Level Synthesis (HLS) is a pivotal electronic design automation (EDA) technology that enables the generation of hardware circuits from high-level language descriptions. A critical step in HLS is Design Space Exploration (DSE), which…

Hardware Architecture · Computer Science 2026-03-03 Lei Xu , Shanshan Wang , Chenglong Xiao

High-level synthesis (HLS) is a design flow that leverages modern language features and flexibility, such as complex data structures, inheritance, templates, etc., to prototype hardware designs rapidly. However, exploring various design…

Hardware Architecture · Computer Science 2024-03-19 Md Rubel Ahmed , Toshiaki Koike-Akino , Kieran Parsons , Ye Wang

FPGAs provide highly parallel and customizable hardware solutions but are traditionally programmed using low-level Hardware Description Languages (HDLs) like VHDL and Verilog. These languages have a low level of abstraction and require…

Hardware Architecture · Computer Science 2025-04-11 Hendrik Folmer

High-Level Synthesis (HLS) serves as an agile hardware development tool that streamlines the circuit design by abstracting the register transfer level into behavioral descriptions, while allowing designers to customize the generated…

Hardware Architecture · Computer Science 2025-06-03 Runkai Li , Jia Xiong , Xi Wang

The algorithm-to-hardware High-level synthesis (HLS) tools today are purported to produce hardware comparable in quality to handcrafted designs, particularly with user directive driven or domains specific HLS. However, HLS tools are not…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-08-28 Vinay B. Y. Kumar , Pinalkumar Engineer , Mandar Datar , Yatish Turakhia , Saurabh Agarwal , Sanket Diwale , Sachin B. Patkar

Functional languages as input specifications for High-Level Synthesis (HLS) tools allow to specify data dependencies but do not contain a notion of time nor execution order. In this paper, we propose a method to add this notion to the…

Hardware Architecture · Computer Science 2025-04-11 Hendrik Folmer , Robert de Groote , Marco Bekooij

C/C++/OpenCL-based high-level synthesis (HLS) becomes more and more popular for field-programmable gate array (FPGA) accelerators in many application domains in recent years, thanks to its competitive quality of results (QoR) and short…

Hardware Architecture · Computer Science 2021-05-07 Yuze Chi , Licheng Guo , Jason Lau , Young-kyu Choi , Jie Wang , Jason Cong

High-level synthesis (HLS) has freed the computer architects from developing their designs in a very low-level language and needing to exactly specify how the data should be transferred in register-level. With the help of HLS, the hardware…

Hardware Architecture · Computer Science 2021-11-23 Atefeh Sohrabizadeh , Yunsheng Bai , Yizhou Sun , Jason Cong

High-level synthesis (HLS) allows hardware designers to create hardware designs with high-level programming languages like C/C++/OpenCL, which greatly improves hardware design productivity. However, existing HLS flows require programmers'…

Hardware Architecture · Computer Science 2024-10-11 Haocheng Xu , Haotian Hu , Sitao Huang