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Orthogonal reduction of dense matrices to bidiagonal form on computers with distributed memory architectures

机译:在具有分布式内存体系结构的计算机上将稠密矩阵正交缩减为对角形式

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摘要

In this paper. we describe a parallel implementation for the blocked reduction of dense matrices to bidiagonal form by Householder transformations. The method is based on the idea of using un-normed reflector vector. Results from experiments on the Intel Paragon are given. Comparison between the ScaLapack bidiagonalization and the method proposed is provided.
机译:在本文中。我们描述了通过Householderer变换将密集矩阵阻止还原为对角线形式的并行实现。该方法基于使用未定标的反射器矢量的思想。给出了在Intel Paragon上进行的实验结果。比较了ScaLapack的对角化和所提出的方法。

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