20 search results - page 1 / 4 » A block algorithm for computing antitriangular factorization... |
SIAMMAX
2010
12 years 11 months ago
2010
Abstract. Given a symmetric positive definite matrix A, we compute a structured approximate Cholesky factorization A RT R up to any desired accuracy, where R is an upper triangula...
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...
PDP
2008
IEEE
13 years 11 months ago
2008
IEEE
This paper examines the scalable parallel implementation of QR factorization of a general matrix, targeting SMP and multi-core architectures. Two implementations of algorithms-by-...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
The algorithms in the current sequential numerical linear algebra libraries (e.g. LAPACK) do not parallelize well on multicore architectures. A new family of algorithms, the tile a...
PPOPP
2003
ACM
13 years 10 months ago
2003
ACM
Quadtree matrices using Morton-order storage provide natural blocking on every level of a memory hierarchy. Writing the natural recursive algorithms to take advantage of this bloc...