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- W1520821748 abstract "A new parallel algorithm for solving positive definite symmetric tridiagonal systems of linear equations is presented. It generalizes to the band and block tridiagonal cases. It is called the middle p-way BABE (burn at both ends) algorithm. It has a redundancy of two: The best serial algorithm requires 3N multiply-adds, 2N multiplies and N divides. This algorithm requires 6N/p multiple-adds, 5N/p multiplies and N/p divides. There is only one global communication step which is an all-to-all concatenation of six double words from each process.KeywordsParallel AlgorithmTridiagonal MatrixPositive Definite Symmetric MatrixOperation CountTridiagonal SystemThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves." @default.
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- W1520821748 modified "2023-09-25" @default.
- W1520821748 title "A new parallel algorithm for tridiagonal symmetric positive definite systems of equations" @default.
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