The Landscape of Exascale Research

Author:

Heldens Stijn1ORCID,Hijma Pieter2,Werkhoven Ben Van3,Maassen Jason3,Belloum Adam S. Z.4,Van Nieuwpoort Rob V.1

Affiliation:

1. Netherlands eScience Center and University of Amsterdam, Amsterdam

2. Vrije Universiteit Amsterdam and University of Amsterdam, Amsterdam

3. Netherlands eScience Center, Amsterdam

4. University of Amsterdam, Amsterdam

Abstract

The next generation of supercomputers will break the exascale barrier. Soon we will have systems capable of at least one quintillion (billion billion) floating-point operations per second (10 18 FLOPS). Tremendous amounts of work have been invested into identifying and overcoming the challenges of the exascale era. In this work, we present an overview of these efforts and provide insight into the important trends, developments, and exciting research opportunities in exascale computing. We use a three-stage approach in which we (1) discuss various exascale landmark studies, (2) use data-driven techniques to analyze the large collection of related literature, and (3) discuss eight research areas in depth based on influential articles. Overall, we observe that great advancements have been made in tackling the two primary exascale challenges: energy efficiency and fault tolerance. However, as we look forward, we still foresee two major concerns: the lack of suitable programming tools and the growing gap between processor performance and data bandwidth (i.e., memory, storage, networks). Although we will certainly reach exascale soon, without additional research, these issues could potentially limit the applicability of exascale computing.

Funder

European Union's Horizon 2020 research and innovation programme

European Union's Horizon 2020 research and innovation programm

Netherlands eScience Center

Publisher

Association for Computing Machinery (ACM)

Subject

General Computer Science,Theoretical Computer Science

Reference189 articles.

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2. 2018. Frontier: OLCF’s Exascale Future. https://www.olcf.ornl.gov/2018/02/13/frontier-olcfs-exascale-future/. 2018. Frontier: OLCF’s Exascale Future. https://www.olcf.ornl.gov/2018/02/13/frontier-olcfs-exascale-future/.

3. 2018. Scopus - The Largest Database of Peer-Reviewed Literature. https://www.elsevier.com/solutions/scopus. 2018. Scopus - The Largest Database of Peer-Reviewed Literature. https://www.elsevier.com/solutions/scopus.

4. 2019. BDEC: Big Data and Extreme-Scale Computing. https://www.exascale.org/bdec/. 2019. BDEC: Big Data and Extreme-Scale Computing. https://www.exascale.org/bdec/.

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