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As part of the EU-funded Center of Excellence SPACE (Scalable Parallel Astrophysical Codes for Exascale), seven commonly used astrophysics simulation codes are being optimized to exploit exascale computing platforms. Exascale cosmological…

Instrumentation and Methods for Astrophysics · Physics 2025-05-09 Bernd Doser , Kai L. Polsterer , Andreas Fehlner , Sebastian Trujillo-Gomez

Developing complex, reliable advanced accelerators requires a coordinated, extensible, and comprehensive approach in modeling, from source to the end of beam lifetime. We present highlights in Exascale Computing to scale accelerator…

Astronomy is entering in a new era of Extreme Intensive Data Computation and we have identified three major issues the new generation of projects have to face: Resource optimization, Heterogeneous Software Ecosystem and Data Transfer. We…

Instrumentation and Methods for Astrophysics · Physics 2012-12-11 Nicolas Kamennoff , Sébastien Foucaud , Sébastien Reybier

Exascale computers offer transformative capabilities to combine data-driven and learning-based approaches with traditional simulation applications to accelerate scientific discovery and insight. However, these software combinations and…

Remarkable observational advances have established a compelling cross-validated model of the Universe. Yet, two key pillars of this model -- dark matter and dark energy -- remain mysterious. Sky surveys that map billions of galaxies to…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-11-28 Salman Habib , Vitali Morozov , Hal Finkel , Adrian Pope , Katrin Heitmann , Kalyan Kumaran , Tom Peterka , Joe Insley , David Daniel , Patricia Fasel , Nicholas Frontiere , Zarija Lukic

Large, complex, multi-scale, multi-physics simulation codes, running on high performance com-puting (HPC) platforms, have become essential to advancing science and engineering. These codes simulate multi-scale, multi-physics phenomena with…

Computational Engineering, Finance, and Science · Computer Science 2014-10-24 A. Dubey , S. Brandt , R. Brower , M. Giles , P. Hovland , D. Q. Lamb , F. Loffler , B. Norris , B. OShea , C. Rebbi , M. Snir , R. Thakur

Sustainability in high performance computing (HPC) is a major challenge not only for HPC centers and their users, but also for society as the climate goals become stricter. A lot of effort went into reducing the energy consumption of…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-12-11 Osman Seckin Simsek , Jean-Guillaume Piccinali , Florina M. Ciorba

Spatial confounding poses a significant challenge in scientific studies involving spatial data, where unobserved spatial variables can influence both treatment and outcome, possibly leading to spurious associations. To address this problem,…

Machine Learning · Computer Science 2024-12-04 Mauricio Tec , Ana Trisovic , Michelle Audirac , Sophie Woodward , Jie Kate Hu , Naeem Khoshnevis , Francesca Dominici

The increase of existing computational capabilities has made simulation emerge as a third discipline of Science, lying midway between experimental and purely theoretical branches [1, 2]. Simulation enables the evaluation of quantities which…

Computational Physics · Physics 2015-06-05 Pablo García-Risueño , Pablo E. Ibáñez

High Performance Computing (HPC) aims at providing reasonably fast computing solutions to scientific and real life problems. The advent of multicore architectures is noticeable in the HPC history, because it has brought the underlying…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-07 Claude Tadonki

To reproduce eScience, several challenges need to be solved: scientific workflows need to be automated; the involved software versions need to be provided in an unambiguous way; input data needs to be easily accessible; High-Performance…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-30 Kessy Abarenkov , Anne Fouilloux , Helmut Neukirchen , Abdulrahman Azab

The ExaNeSt and EuroExa H2020 EU-funded projects aim to design and develop an exascale ready computing platform prototype based on low-energy-consumption ARM64 cores and FPGA accelerators. We participate in the application-driven design of…

Instrumentation and Methods for Astrophysics · Physics 2018-12-04 David Goz , Sara Bertocco , Luca Tornatore , Giuliano Taffoni

Future terabit networks are committed to dramatically improving big data motion between geographically dispersed HPC data centers.The scientific community takes advantage of the terabit networks such as DOE's ESnet and accelerates the trend…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-03-23 Awais Khan , Taeuk Kim , Hyunki Byun , Youngjae Kim , Sungyong Park , Hyogi Sim

Supercomputers become faster as hardware and software technologies continue to evolve. Current supercomputers are capable of 1015 floating point operations per second (FLOPS) that called Petascale system. The High Performance Computer (HPC)…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-09-27 Jalal Abdulbaqi

The applications being developed within the U.S. Exascale Computing Project (ECP) to run on imminent Exascale computers will generate scientific results with unprecedented fidelity and record turn-around time. Many of these codes are based…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-08-04 Lipeng Wan , Axel Huebl , Junmin Gu , Franz Poeschel , Ana Gainaru , Ruonan Wang , Jieyang Chen , Xin Liang , Dmitry Ganyushin , Todd Munson , Ian Foster , Jean-Luc Vay , Norbert Podhorszki , Kesheng Wu , Scott Klasky

In general Evolutionary Computation (EC) includes a number of optimization methods inspired by biological mechanisms of evolution. The methods catalogued in this area use the Darwinian principles of life evolution to produce algorithms that…

Artificial Intelligence · Computer Science 2012-04-11 José A. García Gutiérrez , Carlos Cotta , Antonio J. Fernández-Leiva

In contemporary astronomy and astrophysics (A&A), the integration of high-performance computing (HPC), big data analytics, and artificial intelligence/machine learning (AI/ML) has become essential for advancing research across a wide range…

The Astronomy Open Science Competence Centre Pilot (Astro-CC) is an ESCAPE-cluster related project meant to enable the astronomy research communities to accelerate their use of Open Science by supporting the implementation of FAIR…

Instrumentation and Methods for Astrophysics · Physics 2026-05-28 Marco Molinaro , Mark Allen , Joachim Wambsganns , Enrique Solano , Baptiste Cecconi , Markus Demleitner , André Schaaff , Hendrik Heinl , Sara Bertocco

The upcoming exascale era will push the changes in computing architecture from classical CPU-based systems in hybrid GPU-heavy systems with much higher levels of complexity. While such clusters are expected to improve the performance of…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-11 Maximilian Höb , Dieter Kranzlmüller