A Parallel Strategy for Solving Sparse Linear Systems over Finite Fields



Document title: A Parallel Strategy for Solving Sparse Linear Systems over Finite Fields
Journal: Computación y sistemas
Database:
System number: 000560650
ISSN: 1405-5546
Authors: 1
2
3
3
1
Institutions: 1Technology Innovation Institute, Cryptography Research Centre, Emiratos Árabes Unidos
2Universitat de Lleida, Department de Matemàtica, Cataluña. España
3Instituto Politécnico Nacional, Centro de Investigación en Computación, México
4Instituto Politécnico Nacional, Centro de Investigación y de Estudios Avanzados, México
Year:
Season: Ene-Mar
Volumen: 26
Number: 1
Pages: 493-504
Country: México
Language: Inglés
English abstract In this paper we describe a number of parallel techniques that were applied to the problem of finding the null-spaces of thousands of large sparse matrices. This collection of matrices were derived from the discrete logarithm problem attack over the finite field F 3 6 ⋅ 509 recently carried out by Adj et al. in 2. Our software library was mainly executed in the supercomputer ABACUS 7, where in total 21 , 870 large sparse linear algebra systems were processed. Solving those linear algebra problems involved a computational effort of over 138 core-years, requiring a memory space of over 645 gigabytes to store the corresponding vector solutions.
Keyword: Linear algebra,
Finite field,
Parallel computing
Full text: Texto completo (Ver HTML) Texto completo (Ver PDF)