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A grid is described as a distributed network which comprises of heterogeneous and non-dedicated elements. The heterogeneity of a grid is not only defined in terms of computing elements and operating systems but also in terms of implementation of policies, policy decisions and the environment. Currently, most grid solutions are targeted at the high(More)
A grid is described as a distributed network which comprises of heterogeneous and non-dedicated elements. The heterogeneity of a grid is not only defined in terms of computing elements and operating systems but also in terms of implementation of policies, policy decisions and the environment. In this paper we have described in detail the architecture of the(More)
In this paper we present new preconditioners for implicit edge-based computations inspired on the concept of clustered element-by-element preconditioners. These new globally deened preconditioners employ product decompositions of clusters of edges matrices obtained from the grouping of edges into superedges. A performance study of these new preconditioners(More)
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