Portable and Efficient Dense Linear Algebra in the Beginning of the Exascale Era

Autor: Mark Gates, Asim YarKhan, Dalal Sukkari, Kadir Akbudak, Sebastien Cayrols, Daniel Bielich, Ahmad Abdelfattah, Mohammed Al Farhan, Jack Dongarra

Publikováno v: Kadir Akbudak

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71fac2d269c2826222f1dd073b78f71e
https://doi.org/10.1109/p3hpc56579.2022.00009

Low Rank Approximation of a Sparse Matrix Based on LU Factorization with Column and Row Tournament Pivoting

Autor: James Demmel, Laura Grigori, Sebastien Cayrols

Publikováno v: SIAM Journal on Scientific Computing
SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics, 2018, 40 (2), pp.C181-C209
SIAM Journal on Scientific Computing, 2018, 40 (2), pp.C181-C209

International audience; n this paper we present an algorithm for computing a low rank approximation of a sparse matrix based on a truncated LU factorization with column and row permutations. We present various approaches for determining the column an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e990885e5a72582c9adabe2f6f6fbaa
https://hal.archives-ouvertes.fr/hal-01967901