Parallel scalability necessitates matching the dimensions of the grid partition to the problem. This implies the global connec- tions will span a non-constant number of processors and increase the communication requirements of the routine.
Oct 20, 2020
This paper summarizes theoretical and practical investigations into the effect of parallelization by grid-partitioning on the performance of multigrid ...
A simple analytical tool with which to study the scalability of parallel algorithm-architecture combinations in the accuracy-critical scaling model and ...
In this paper we present the performance analysis of a parallel Algebraic Multigrid Solver (AMG) for a finite volume unstructured CFD code.
Key words: Parallel Computing, Multigrid, Finite Volumes. Abstract. This paper deals with the implementation and performance analysis of a parallel.
We investigate the scaling properties of the parallel multigrid solver with structured discretization on a regular hexagonal domain on a massively parallel ...
Results show, that synchronization plays across partitions for multigrid-levels plays an essential role in ensuring good scalability. Furthermore for large ...
May 10, 2023 · In this article, we investigate the scalability of algebraic multigrid in computer science, focusing on its applications in solving large-scale linear systems.
Mar 6, 2018 · In addition, the parallel scalability of this approach is demonstrated on two large-scale computing systems, with solves on up to 500K+ cores.
We then explain how to implement the new multigrid algorithm in parallel and show with numerical experiments its excellent strong and weak scalability ...