Monte Carlo methods for matrix computations on the grid

S Branford, C Sahin, A Thandavan, C Weihrauch… - Future Generation …, 2008 - Elsevier
S Branford, C Sahin, A Thandavan, C Weihrauch, VN Alexandrov, IT Dimov
Future Generation Computer Systems, 2008Elsevier
Many scientific and engineering applications involve inverting large matrices or solving
systems of linear algebraic equations. Solving these problems with proven algorithms for
direct methods can take very long to compute, as they depend on the size of the matrix. The
computational complexity of the stochastic Monte Carlo methods depends only on the
number of chains and the length of those chains. The computing power needed by
inherently parallel Monte Carlo methods can be satisfied very efficiently by distributed …
Many scientific and engineering applications involve inverting large matrices or solving systems of linear algebraic equations. Solving these problems with proven algorithms for direct methods can take very long to compute, as they depend on the size of the matrix. The computational complexity of the stochastic Monte Carlo methods depends only on the number of chains and the length of those chains. The computing power needed by inherently parallel Monte Carlo methods can be satisfied very efficiently by distributed computing technologies such as Grid computing. In this paper we show how a load balanced Monte Carlo method for computing the inverse of a dense matrix can be constructed, show how the method can be implemented on the Grid, and demonstrate how efficiently the method scales on multiple processors.
Elsevier
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