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- W7720001 abstract "Consider a system of linear equations Ax=b, where A is a symmetric positive definite matrix with arbitrary nonzero structure. We present an efficient CREW parallel algorithm to solve such a system by Cholesky factorization with M* processors, where m* is the number of nonzeros in the Cholesky factor of A. The algorithm has two stages. First is a graph-theoretic structure prediction phase, which runs in time O(log2n). There follows a numerical computation phase, which runs in time proportional to the height of the elimination tree of A times a log factor." @default.
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- W7720001 date "1988-01-01" @default.
- W7720001 modified "2023-09-24" @default.
- W7720001 title "Parallel solution of sparse linear systems" @default.
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- W7720001 doi "https://doi.org/10.1007/3-540-19487-8_17" @default.
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