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We consider a context where the available resources of the Intranet of a company are used as a virtual cluster for scientific computation, during the idle periods (nights, weekends, holidays, ). Generally, these idle periods do not permit to carry out completely the computations. For instance, a workstation mobilized during the night must be released in the morning to make it available for the employee,...
We study the parallel implementation of the Gaussian elimination scheme on systolic arrays. We first show that the time (resp. area) complexity of the algorithm isT= 3n− 1 (resp.S= (n 2 /4) +O(n)), wherenis the size of the linear system. Then we exhibit three algorithms. The two first ones are optimal in time. The first one corresponds to an orthogonally connected array of size 3(n 2 ...
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