Performance comparison between two-sided MPI, MPI-3 RMA and OpenSHMEM for a particle cluster algorithm

We present a performance benchmark of a parcel cluster algorithm for N-body simulations that uses either MPI point-to-point, MPI-3 remote memory access (RMA) or OpenSHMEM communication for the nearest-neighbour graph splitting step. The benchmarks are performed on ARCHER2 (Slingshot 10 interconnect), Cirrus (InfiniBand interconnect) and hotlum (Slingshot 11 interconnect).

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2025-05-14
DOI
https://doi.org/10.5281/zenodo.15497211
Primary Topic
Interconnection Networks and Systems
Type
article
Field-Weighted Citation Impact
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article

Performance comparison between two-sided MPI, MPI-3 RMA and OpenSHMEM for a particle cluster algorithm

Zenodo (CERN European Organization for Nuclear Research)
Interconnection Networks and Systems
article

Performance comparison between two-sided MPI, MPI-3 RMA and OpenSHMEM for a particle cluster algorithm

article en

Abstract

We present a performance benchmark of a parcel cluster algorithm for N-body simulations that uses either MPI point-to-point, MPI-3 remote memory access (RMA) or OpenSHMEM communication for the nearest-neighbour graph splitting step. The benchmarks are performed on ARCHER2 (Slingshot 10 interconnect), Cirrus (InfiniBand interconnect) and hotlum (Slingshot 11 interconnect).

Zenodo (CERN European Organization for Nuclear Research)
University of Leeds (GB), University of St Andrews (GB), Mathematical Institute of the Slovak Academy of Sciences (SK), Hewlett Packard Enterprise (United States) (US), El Paso Community College (US), University of Edinburgh (GB)
Openalex Percentile: Top 52%
Interconnection Networks and Systems
DOIOpen Access PDFOpenAlex
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Performance comparison between two-sided MPI, MPI-3 RMA and OpenSHMEM for a particle cluster algorithm · Zenodo (CERN European Organization for Nuclear Research) (2025) | TGRS Research Map | TGRS