二元有限域上的高效稠密高斯消去法
Efficient Dense Gaussian Elimination over the Finite Field with Two Elements
摘要:
在这项工作中,我们描述了一个有效的实现层次的算法高斯消除稠密矩阵的领域有两个元素。我们讨论了著名的和新的算法,以及我们的M4RI库,这已被纳入Sage的实现。我们讨论的重点是PLE分解的块迭代算法,它的灵感来自于M4RI算法。在这项工作中提出的实现提供了相当大的性能增益在实践中相比,以前最快的实现。我们提供了x86_64 CPU上的性能数据来证明我们方法的敏捷性。
英文摘要:
In this work we describe an efficient implementation of a hierarchy of algorithms for Gaussian elimination upon dense matrices over the field with two elements. We discuss both well-known and new algorithms as well as our implementations in the M4RI library, which has been adopted into Sage. The focus of our discussion is a block iterative algorithm for PLE decomposition which is inspired by the M4RI algorithm. The implementation presented in this work provides considerable performance gains in practice when compared to the previously fastest implementation. We provide performance figures on x86_64 CPUs to demonstrate the alacrity of our approach.
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