Rsyn:一个可扩展的物理合成框架

G. Flach, Mateus Fogaça, Jucemar Monteiro, M. Johann, R. Reis
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引用次数: 19

摘要

由于EDA科学发展的高度发展,学术界越来越难以实现现实的软件基础设施,以便以有意义和一致的方式测试新问题和解决方案。在本文中,我们介绍了Rsyn,一个用于物理合成研究和开发的免费开源c++框架,包括一个优雅的网表数据模型,分析工具(例如定时分析,拥塞),优化方法(例如放置,大小,缓冲)和图形用户界面。它被设计为非常模块化和增量可扩展的。新的组件可以很容易地集成,这使得Rsyn作为一个框架越来越有价值,可以利用物理设计方面的研究。标准组件和第三方组件可以通过代码或脚本语言混合在一起,以创建一个全面的设计流程,可以用来更好地评估正在进行的研究结果的质量。网络列表数据模型使用c++ 11的新特性,提供了一种简单而有效的遍历和修改网络列表的方法。属性可以无缝地添加到对象中,并且通知系统会向组件发出有关网络列表更改的警报。网络列表的灵活性激发了Rsyn这个名字的灵感,这个名字来自单词resynthesis。Rsyn的创建是为了让研究人员能够专注于对他们的研究真正重要的东西,而在基础设施开发上花费更少的时间。允许共享和重用公共组件也是Rsyn框架的主要贡献之一。本文介绍了Rsyn的关键概念。绘制了使用实例,详细介绍了重要的标准组件(如物理层、定时),并分析了基于最近电子设计自动化(EDA)竞赛的一些案例研究。Rsyn可以在http://rsyn.design上获得。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Rsyn: An Extensible Physical Synthesis Framework
Due to the advanced stage of development on EDA science, it has been increasingly difficult to implement realistic software infrastructures in academia so that new problems and solutions are tested in a meaningful and consistent way. In this paper we present Rsyn, a free and open-source C++ framework for physical synthesis research and development comprising an elegant netlist data model, analysis tools (e.g. timing analysis, congestion), optimization methods (e.g. placement, sizing, buffering) and a graphical user interface. It is designed to be very modular and incrementally extensible. New components can be easily integrated making Rsyn increasingly valuable as a framework to leverage research in physical design. Standard and third party components can be mixed together via code or script language to create a comprehensive design flow, which can be used to better assess the quality of results of the research being conducted. The netlist data model uses the new features of C++11 providing a simple but efficient way to traverse and modify the netlist. Attributes can be seamlessly added to objects and a notification system alerts components about changes in the netlist. The flexibility of the netlist inspired the name Rsyn, which comes from the word resynthesis. Rsyn is created to allow researchers to focus on what is really important to their research spending less time on the infrastructure development. Allowing the sharing and reusability of common components is also one of the main contributions of the Rsyn framework. In this paper, the key concepts of Rsyn are presented. Examples of use are drawn, the important standard components (e.g. physical layer, timing) are detailed and some case studies based on recent Electronic Design Automation (EDA) contests are analyzed. Rsyn is available at http://rsyn.design.
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