A Succinct and Efficient Implementation of a 2^32 BDD Package

2012 Sixth International Symposium on Theoretical Aspects of Software Engineering Pub Date : 2012-07-04 DOI:10.1109/TASE.2012.22

Guanfeng Lv, Yao Chen, Yachao Feng, Qingliang Chen, Kaile Su

引用次数: 3

Abstract

As a data structure for representing and manipulating Boolean functions, BDDs (Binary Decision Diagrams) are commonly used in many fields such as model-checking, system verification and so on. For saving space and improving operation speed, all the existing packages limit the number of variables to 216. However, such a limitation also restrains its applicability. In this paper, we present TiniBDD, an efficient implementation of a 232 BDD package incorporating sub-allocation of memory and lightweight Garbage Collection as well as a new operator named as Satisfiable Assignment Operator. Compared with the well-known CUDD which is one of the best 216 BDD packages that can be attained publicly, the experiments show TiniBDD has comparable performance.

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2^32 BDD封装的简洁高效实现

二进制决策图(Binary Decision Diagrams, bdd)作为一种表示和操作布尔函数的数据结构，广泛应用于模型检查、系统验证等领域。为了节省空间和提高运行速度，所有现有的包都将变量的数量限制在216个。然而，这种局限性也限制了其适用性。在本文中，我们提出了TiniBDD，一个232 BDD包的有效实现，包含内存子分配和轻量级垃圾收集以及一个名为可满足赋值操作符的新操作符。实验结果表明，TiniBDD与目前已知的216个最佳BDD包之一CUDD具有相当的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2012 Sixth International Symposium on Theoretical Aspects of Software Engineering

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