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A GPU-based hyperbolic SVD algorithm (CROSBI ID 171128)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Novaković, Vedran ; Singer, Sanja A GPU-based hyperbolic SVD algorithm // BIT numerical mathematics, 51 (2011), 4; 1009-1030. doi: 10.1007/s10543-011-0333-5

Podaci o odgovornosti

Novaković, Vedran ; Singer, Sanja

engleski

A GPU-based hyperbolic SVD algorithm

A one-sided Jacobi hyperbolic singular value decomposition (HSVD) algorithm, using a massively parallel graphics processing unit (GPU), is developed. The algorithm also serves as the final stage of solving a symmetric indefinite eigenvalue problem. Numerical testing demonstrates the gains in speed and accuracy over sequential and MPI-parallelized variants of similar Jacobi-type HSVD algorithms. Finally, possibilities of hybrid CPU–GPU parallelism are discussed.

one-sided Jacobi algorithm ; hyperbolic singular value decomposition ; symmetric indefinite eigenvalue problem ; GPU parallel programming

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Podaci o izdanju

51 (4)

2011.

1009-1030

objavljeno

0006-3835

1572-9125

10.1007/s10543-011-0333-5

Povezanost rada

Matematika, Računarstvo

Poveznice
Indeksiranost