AuthorsX. Cai
EditorsB. Engquist
TitleParallel Computing
Afilliation, , Scientific Computing
Project(s)Center for Biomedical Computing (SFF)
Publication TypeBook Chapter
Year of Publication2015
Book TitleEncyclopedia of Applied and Computational Mathematics
Date Published11/2015
PublisherSpringer Berlin Heidelberg
ISBN Number978-3-540-70528-4

Parallel computing can be understood as solving a computational problem through collaborative use of multiple resources that belong to a parallel computer system. Here, a parallel system can be anything between a single multiprocessor machine and an Internet-connected cluster that is made up of hybrid compute nodes. There are two main motivations for adopting parallel computations. The first motivation is about reducing the computational time, because employing more computational units for solving a same problem usually results in lower wall-time usage. The second – and perhaps more important – motivation is the wish of obtaining more details, which can arise from higher temporal and spatial resolutions, more advanced mathematical and numerical models, and more realizations.


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