publication . Other literature type . Article . 2018

A massively parallel and memory-efficient FEM toolbox with a hybrid total FETI solver with accelerator support

Name: A massively parallel and memory-efficient FEM toolbox with a hybrid total FETI solver with accelerator support:
Keywords: Theoretical Computer Science, Hardware and Architecture, Software

Lubomír Říha; Michal Merta; Ondřej Meca; Tomáš Brzobohatý; Tomáš Kozubek; Vít Vondrák; Alexandros Markopoulos; Ondřej Vysocký; Radim Vavřík;

Open Access

Published: 19 Sep 2018

Publisher: SAGE Publications

Summary

Abstract

In this article, we present the ExaScale PaRallel finite element tearing and interconnecting SOlver (ESPRESO) finite element method (FEM) library, which includes an FEM toolbox with interfaces to professional and open-source simulation tools, and a massively parallel hybrid total finite element tearing and interconnecting (HTFETI) solver which can fully utilize the Oak Ridge Leadership Computing Facility Titan supercomputer and achieve superlinear scaling. This article presents several new techniques for finite element tearing and interconnecting (FETI) solvers designed for efficient utilization of supercomputers with a focus on (i) performance—we present a five...

doi: 10.1177/1094342018798452

Subjects

free text keywords: Theoretical Computer Science, Hardware and Architecture, Software, Graphics processing unit, Solver, FETI, Titan (supercomputer), Finite element method, Parallel computing, Xeon, Massively parallel, Xeon Phi, Computer science

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