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An Empirical Comparison of Graph Laplacian Solvers

机译:图拉普拉斯求解器的实证比较

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Solving Laplacian linear systems is an important task in a variety of practical and theoretical applications. This problem is known to have solutions that perform in linear times polylogarithmic work in theory, but these algorithms are difficult to implement in practice. We examine existing solution techniques in order to determine the best methods currently available and for which types of problems are they useful. We perform timing experiments using a variety of solvers on a variety of problems and present our results. We discover differing solver behavior between web graphs and a class of synthetic graphs designed to model them.
机译:解决Laplacian线性系统是各种实用和理论应用中的重要任务。已知该问题具有在理论上以线性时间的线性时间进行线性时间的解决方案,但在实践中难以实现这些算法。我们检查现有的解决方案技术,以确定当前可用的最佳方法,以及它们有用的问题。我们在各种问题上使用各种求解器进行计时实验,并呈现我们的结果。我们发现Web图之间的不同求解器行为和设计为模拟它们的一类综合图。

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