Výsledky vyhledávání - Appropriate sparse triangular solves

A Split Execution Model for SpTRSV Autor Ahmad, Najeeb, Yilmaz, Buse, Unat, Didem

“…Sparse Triangular Solve (SpTRSV) is an important and extensively used kernel in scientific computing…”
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Parallel algorithms for solving linear systems with sparse triangular matrices Autor Mayer, Jan

“… The first algorithm solves the triangular matrix by block anti-diagonals. The drawback of this approach is that it can be difficult to choose an appropriate block structure…”
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Solving Directed Laplacian Systems in Nearly-Linear Time through Sparse LU Factorizations Autor Cohen, Michael B., Kelner, Jonathan, Kyng, Rasmus, Peebles, John, Peng, Richard, Rao, Anup B., Sidford, Aaron

“…In this paper, we show how to solve directed Laplacian systems in nearly-linear time…”
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Parallel multigrid methods for the calculation of unsteady flows on unstructured grids: algorithmic aspects and parallel performances on clusters of PCs Autor Dolean, V., Lanteri, S.

“…We report on our efforts towards the design of efficient parallel hierarchical iterative methods for the solution of sparse and irregularly structured linear systems resulting from CFD applications…”
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Pragmatic solvers for 3D Stokes and elasticity problems with heterogeneous coefficients: evaluating modern incomplete LDLT preconditioners Autor Sanan, Patrick, May, Dave A, Bollhöfer, Matthias, Schenk, Olaf

“… are indefinite.Primary tools to solve such systems are direct solution methods (exact triangular factorization…”
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Solving Directed Laplacian Systems in Nearly-Linear Time through Sparse LU Factorizations Autor Cohen, Michael B, Kelner, Jonathan, Kyng, Rasmus, Peebles, John, Peng, Richard, Rao, Anup B, Sidford, Aaron

“…We show how to solve directed Laplacian systems in nearly-linear time. Given a linear system in an \(n \times n…”
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基于扇形同心环模型的蜗杆磨修整滚轮CVD匹配分析 Autor 雷来贵, 陈恩厚, 赵延军, 王威, 吴佳璐, 古龙辉, 吴武山, 李远

“…TG58%TG74%TQ164%TH161; 齿轮作为重大装备的核心基础部件,其齿面精度最终靠磨齿工序保证.电镀蜗杆磨修整滚轮作为磨齿工序用蜗杆砂轮修整不可或缺的精密加工工具,间接决定…”
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Preconditioners for Indefinite Systems Arising in Optimization Autor Gill, Philip E., Murray, Walter, Ponceleón, Dulce B., Saunders, Michael A.

“… A sparse implementation exists in the form of the Harwell code MA27. An appropriate iterative method is the conjugate-gradient-like algorithm SYMMLQ, which solves indefinite systems with the aid of a positive-definite preconditioner…”
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Integrated capacitated lot sizing and scheduling problems in a flexible flow line Autor Mahdieh, M

“… However due to their complexity, there is a lack of mathematical modelling and solution procedures in the literature to combine and jointly solve…”
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Integrated Capacitated Lot Sizing and Scheduling Problems in a Flexible Flow Line Autor Mahdieh, Masoumeh

“… However due to their complexity, there is a lack of mathematical modelling and solution procedures in the literature to combine and jointly solve…”
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The compaction of aggregates of non-spherical viscoplastic particles Autor Wu, Yu-Ching

“… A numerical model is developed in which each particle is treated individually, including the appropriate constitutive equations, kinematic conditions, and contact constraints, for every particle in the aggregate…”
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