27 search results - page 1 / 6 » Parallel Cholesky Factorization of a Block Tridiagonal Matri... |
ICPPW
2002
IEEE
13 years 9 months ago
2002
IEEE
In this paper we discuss the parallel implementation of the Cholesky factorization of a positive definite symmetric matrix when that matrix is block tridiagonal. While parallel im...
JPDC
2008
13 years 4 months ago
2008
Two parallel block tridiagonalization algorithms and implementations for dense real symmetric matrices are presented. Block tridiagonalization is a critical pre-processing step for...
EUROPAR
2003
Springer
13 years 9 months ago
2003
Springer
Abstract. This paper shows how a sparse hypermatrix Cholesky factorization can be improved. This is accomplished by means of efficient codes which operate on very small dense matri...
EUROPAR
2005
Springer
13 years 10 months ago
2005
Springer
A style for programming problems from matrix algebra is developed with a familiar example and new tools, yielding high performance with a couple of surprising exceptions. The under...
IPPS
2000
IEEE
13 years 9 months ago
2000
IEEE
In this paper, we consider the problem of nding llpreserving ordering of a sparse symmetric and positive de nite matrix such that the reordered matrix is suitable for parallel fac...