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An improved parallel singular value algorithm and its implementation for multicore hardware

机译:改进的并行奇异值算法及其在多核硬件上的实现

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摘要

The singular value decomposition (SVD) has numerous applications, including signal processing, data compression, principal component analysis (PCA), pattern recognition, and so on. Many applications involve large-size data matrices; however, the SVD is computationally intensive. This paper presents a high-performance SVD^algorithm for large matrices. Its high performance is achieved by utilizing multicore architecture for parallelism and exploiting locality to reduce the traffic between fast memory (caches) and slow memory (disk).
机译:奇异值分解(SVD)具有许多应用程序,包括信号处理,数据压缩,主成分分析(PCA),模式识别等。许多应用程序涉及大型数据矩阵。但是,SVD的计算量很大。本文提出了一种适用于大型矩阵的高性能SVD算法。通过将多核体系结构用于并行性并利用局部性来减少快速内存(高速缓存)和慢速内存(磁盘)之间的流量,可以实现其高性能。

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