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相关论文: Astrophysical code migration into Exascale Era

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A number of scientific numerical codes can currently exploit GPUs with remarkable performance. In astrophysics, Enzo and Ramses are prime examples of such applications. The two codes have been ported to GPUs adopting different strategies…

天体物理仪器与方法 · 物理学 2015-10-28 Claudio Gheller , Peng Wang , Franco Vazza , Romain Teyssier

Hardware acceleration has emerged as a key research topic for supporting computationally intensive signal processing and artificial intelligence applications in 6G research and development studies. This paper presents an RF Network on Chip…

信号处理 · 电气工程与系统科学 2026-05-11 A. Oguz Kislal , Osman Mert Yilmaz , Bengu Bilgic Keskin , Ibrahim Hokelek , Ali Gorcin

Heterogeneous embedded systems on chip (HESoCs) co-integrate a standard host processor with programmable manycore accelerators (PMCAs) to combine general-purpose computing with domain-specific, efficient processing capabilities. While…

硬件体系结构 · 计算机科学 2017-12-19 Andreas Kurth , Pirmin Vogel , Alessandro Capotondi , Andrea Marongiu , Luca Benini

Recent increases in supercomputing power, driven by the multi-core revolution and accelerators such as the IBM Cell processor, graphics processing units (GPUs) and Intel's Many Integrated Core (MIC) technology have enabled kinetic…

ArborX is a performance portable geometric search library developed as part of the Exascale Computing Project (ECP). In this paper, we explore a collaboration between ArborX and a cosmological simulation code HACC. Large cosmological…

分布式、并行与集群计算 · 计算机科学 2024-12-24 Andrey Prokopenko , Daniel Arndt , Damien Lebrun-Grandié , Bruno Turcksin , Nicholas Frontiere , J. D. Emberson , Michael Buehlmann

This document is one of the deliverable reports created for the ESCAPE project. ESCAPE stands for Energy-efficient Scalable Algorithms for Weather Prediction at Exascale. The project develops world-class, extreme-scale computing…

分布式、并行与集群计算 · 计算机科学 2019-08-20 Joris Van Bever , Alex McFaden , Zbigniew Piotrowski , Daan Degrauwe

There is a growing necessity for edge training to adapt to dynamically changing environment. Neuromorphic computing represents a significant pathway for high-efficiency intelligent computation in energy-constrained edges, but existing…

Robotic exoskeletons can enhance human strength and aid people with physical disabilities. However, designing them to ensure safety and optimal performance presents significant challenges. Developing exoskeletons should incorporate specific…

机器人学 · 计算机科学 2024-03-26 Baris Akbas , Huseyin Taner Yuksel , Aleyna Soylemez , Mazhar Eid Zyada , Mine Sarac , Fabio Stroppa

ExaGRyPE describes a suite of solvers for numerical relativity, based upon ExaHyPE 2, the second generation of our Exascale Hyperbolic PDE Engine. The presented generation of ExaGRyPE solves the Einstein equations in the CCZ4 formulation…

广义相对论与量子宇宙学 · 物理学 2024-11-28 Han Zhang , Baojiu Li , Tobias Weinzierl , Cristian Barrera-Hinojosa

We describe a modified version of the NBODY6 code for simulating star clusters which greatly improves computational efficiency while sacrificing little in the way of accuracy. The distant force calculator is replaced by a GPU-enabled…

天体物理仪器与方法 · 物理学 2021-11-22 Anthony D. Arnold , Holger Baumgardt , Long Wang

Heterogeneous computing, which incorporates GPUs, NPUs, and FPGAs, is increasingly utilized to improve the efficiency of computer systems. However, this shift has given rise to significant security and privacy concerns, especially when the…

密码学与安全 · 计算机科学 2024-12-19 Jiamin Shen , Yao Chen , Weng-Fai Wong , Ee-Chien Chang

In the wake of the intense effort made for the experimental CILEX project, numerical simulation cam- paigns have been carried out in order to finalize the design of the facility and to identify optimal laser and plasma parameters. These…

计算物理 · 物理学 2016-04-20 Arnaud Beck , Jacob Trier Frederiksen , Julien Dérouillat

Computational offload to hardware accelerators is gaining traction due to increasing computational demands and efficiency challenges. Programmable hardware, like FPGAs, offers a promising platform in rapidly evolving application areas, with…

硬件体系结构 · 计算机科学 2024-06-27 Inês Pinto Gouveia , Ahmad T. Sheikh , Ali Shoker , Suhaib A. Fahmy , Paulo Esteves-Verissimo

When considering different hardware platforms, not just the time-to-solution can be of importance but also the energy necessary to reach it. This is not only the case with battery powered and mobile devices but also with high-performance…

性能 · 计算机科学 2020-06-30 Philip Heinisch , Katharina Ostaszewski , Hendrik Ranocha

We introduce a GPU-accelerated hybrid hydro/N-body code (Enzo-N) designed to address the challenges of concurrently simulating star clusters and their parent galaxies. This task has been exceedingly challenging, primarily due to the…

星系天体物理 · 物理学 2024-08-07 Yongseok Jo , Seoyoung Kim , Ji-hoon Kim , Greg L. Bryan

We present a novel method for efficient direct integration of gravitational N-body systems with a large variation in characteristic time scales. The method is based on a recursive and adaptive partitioning of the system based on the…

天体物理仪器与方法 · 物理学 2014-10-08 Jürgen Jänes , Federico I. Pelupessy , Simon F. Portegies Zwart

This work presents an effort to bridge the gap between abstract high level programming and OpenCL by extending an existing high level Java programming framework (APARAPI), based on OpenCL, so that it can be used to program FPGAs at a high…

性能 · 计算机科学 2014-08-22 Oren Segal , Martin Margala , Sai Rahul Chalamalasetti , Mitch Wright

Reducing energy consumption is a challenge that is faced on a daily basis by teams from the High-Performance Computing as well as the Embedded domain. This issue is mostly attacked from an hardware perspective, by devising architectures…

性能 · 计算机科学 2015-11-30 Baptiste Delporte , Roberto Rigamonti , Alberto Dassatti

The integration of the equations of motion of N interacting particles, represents a classical problem in many branches of physics and chemistry. The direct N-body problem is at the heart of simulations studying Coulomb Crystals. We present…

计算物理 · 物理学 2021-06-22 Jofre Pedregosa-Gutierrez , Jim Dempsey

We present a new time-stepping criterion for N-body simulations that is based on the true dynamical time of a particle. This allows us to follow the orbits of particles correctly in all environments since it has better adaptivity than…

天体物理学 · 物理学 2009-10-12 Marcel Zemp , Joachim Stadel , Ben Moore , C. Marcella Carollo