Hybrid parallelization of the LIGGGHTS open-source DEM code

Autor:	Richard A. Berger, Christoph Kloss, Stefan Pirker, Axel Kohlmeyer
Rok vydání:	2015
Předmět:	Automatic parallelization Open source Computer science General Chemical Engineering Scalability Parallel computing Load balancing (computing) Software package Discrete element method
Zdroj:	Powder Technology. 278:234-247
ISSN:	0032-5910
Popis:	This work presents our efforts to implement an MPI/OpenMP hybrid parallelization of the LIGGGHTS open-source software package for Discrete Element Methods (DEM). We outline the problems encountered and the solutions implemented to achieve scalable performance using both parallelization models. Three case studies, including two real-world applications with up to 1.5 million particles, were evaluated and demonstrate the practicality of this approach. In these examples, better load balancing and reduced MPI communication led to speed increases of up to 44% compared to MPI-only simulations.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::f14e6abaf36ec4cc0d8da3dcb7065e9a https://doi.org/10.1016/j.powtec.2015.03.019 Zobrazit plný text záznamu Full Text from ScienceDirect