19 search results - page 1 / 4 » Parallel Multilevel Sparse Approximate Inverse Preconditione... |
SC
2003
ACM
14 years 9 months ago
2003
ACM
We investigate the use of the multistep successive preconditioning strategies (MSP) to construct a class of parallel multilevel sparse approximate inverse (SAI) preconditioners. W...
PC
2010
13 years 11 months ago
2010
We present an efficient implementation of the Modified SParse Approximate Inverse (MSPAI) preconditioner. MSPAI generalizes the class of preconditioners based on Frobenius norm mi...
AMC
2006
14 years 4 months ago
2006
A parallel algorithm based on the multidimensional minimization of the Rayleigh quotient is proposed to evaluate the leftmost eigenpairs of the generalized symmetric positive defi...
COMPUTING
2007
14 years 4 months ago
2007
Hierarchical matrices (H-matrices) approximate matrices in a data-sparse way, and the approximate arithmetic for H-matrices is almost optimal. In this paper we present an algebrai...
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PC
2011
13 years 11 months ago
2011
We investigate the efficient iterative solution of large-scale sparse linear systems on shared-memory multiprocessors. Our parallel approach is based on a multilevel ILU precondit...