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Parallel Load Balancing for Unstructured Adaptive Meshes

Autor: Leonid Oliker

Jazyk:

Väzba: Brožovaná

Vydavateľ: Biblioscholar

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Dynamic mesh adaption on unstructured grids is a powerful tool for computing large-scale problems th...

Informácie o knihe

Autor

Leonid Oliker

Jazyk

Angličtina

Väzba

Kniha - Brožovaná

Vydalo

2013

Stránok

128

EAN

9781288915279

ISBN

9781288915279

Enbook ID

08287320

Vydavateľ

Biblioscholar

Hmotnosť

240

Rozmery

189 x 246 x 7

Kompletný popis

Dynamic mesh adaption on unstructured grids is a powerful tool for computing large-scale problems that require grid modifications to efficiently resolve solution features. By locally refining and coarsening the mesh to capture physical phenomena of interest, such procedures make standard computational methods more cost effective. Unfortunately, an efficient parallel implementation of these adaptive methods is rather difficult to achieve, primarily due to the load imbalance created by the dynamically-changing nonuniform grid. This requires significant communication at runtime, leading to idle processors and adversely affecting the total execution time. Nonetheless, it is generally thought that unstructured adaptive- grid techniques will constitute a significant fraction of future high-performance supercomputing. Various dynamic load balancing methods have been reported to date; however, most of them either lack a global view of loads across processors or do not apply their techniques to realistic large-scale applications.

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Parallel Load Balancing for Unstructured Adaptive Meshes

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