English
Related papers

Related papers: Advanced Architectures for Astrophysical Supercomp…

200 papers

We describe the use of Graphics Processing Units (GPUs) for speeding up the code NBODY6 which is widely used for direct $N$-body simulations. Over the years, the $N^2$ nature of the direct force calculation has proved a barrier for…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Keigo Nitadori , Sverre J. Aarseth

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…

Instrumentation and Methods for Astrophysics · Physics 2015-10-28 Claudio Gheller , Peng Wang , Franco Vazza , Romain Teyssier

In this chapter, we aim to explore an in-depth exploration of the specialized hardware accelerators designed to enhance Artificial Intelligence (AI) applications, focusing on their necessity, development, and impact on the field of AI. It…

Hardware Architecture · Computer Science 2024-12-19 S M Mojahidul Ahsan , Anurag Dhungel , Mrittika Chowdhury , Md Sakib Hasan , Tamzidul Hoque

Large-language models (LLMs) are rapidly being applied to radiology, enabling automated image interpretation and report generation tasks. Their deployment in clinical practice requires both high diagnostic accuracy and low inference…

Tissues and Organs · Quantitative Biology 2025-11-11 Jyun-Ping Kao

The work of astronomers is getting more complex and advanced as the progress of computer development occurs. With improved computing capabilities and increased data flow, more sophisticated software is required in order to interpret, and…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Kim K. Nilsson , Ole Moeller-Nilsson

The computational cost of video game graphics is increasing and hardware for processing graphics is struggling to keep up. This means that computer scientists need to develop creative new ways to improve the performance of graphical…

Neural and Evolutionary Computing · Computer Science 2020-12-18 Alexander Watson

Evolutionary computing (EC) has proven to be effective in solving complex optimization and robotics problems. Unfortunately, typical Evolutionary Algorithms (EAs) are constrained by the computational capacity available to researchers. More…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-19 Rustam Eynaliyev , Houcen Liu

The scientific community is presently witnessing an unprecedented growth in the quality and quantity of data sets coming from simulations and real-world experiments. To access effectively and extract the scientific content of such…

Instrumentation and Methods for Astrophysics · Physics 2010-04-09 Zhefan Jin , Mel Krokos , Marzia Rivi , Claudio Gheller , Klaus Dolag , Martin Reinecke

The subjects and key questions faced by computational astrophysics using N-body simulations are discussed in the fields of globular star cluster dynamics, galactic nuclei and cosmological structure formation. After a comparison of the…

Astrophysics · Physics 2007-05-23 Rainer Spurzem

Emerging artificial intelligence applications across the domains of computer vision, natural language processing, graph processing, and sequence prediction increasingly rely on deep neural networks (DNNs). These DNNs require significant…

Hardware Architecture · Computer Science 2024-08-01 Sudeep Pasricha

One of the main challenges in Heavy Energy Physics is to make fast analysis of high amount of experimental and simulated data. At LHC-CERN one p-p event is approximate 1 Mb in size. The time taken to analyze the data and obtain fast results…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-07-01 Mihai Niculescu , Sorin-Ion Zgura

Faster algorithms, novel cryptographic mechanisms, and alternative methods of communication become possible when the model underlying information and computation changes from a classical mechanical model to a quantum mechanical one. Quantum…

Quantum Physics · Physics 2009-12-29 Eleanor G. Rieffel

Energy awareness and efficiency policies are gaining more attention, over pure performance (time-to-solution) Key Performance Indicators (KPIs) when comparing the possibilities offered by accelerated systems. But in a field such as…

Instrumentation and Methods for Astrophysics · Physics 2025-08-21 Salvatore Cielo , Alexander Pöppl , Ivan Pribec

Graphics Processing Units (GPUs) have revolutionized the computing landscape over the past decade. However, the growing energy demands of data centres and computing facilities equipped with GPUs come with significant capital and…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-15 Richard Schoonhoven , Bram Veenboer , Ben van Werkhoven , Kees Joost Batenburg

Image subtraction in astronomy is a tool for transient object discovery such as asteroids, extra-solar planets and supernovae. To match point spread functions (PSFs) between images of the same field taken at different times a convolution…

Instrumentation and Methods for Astrophysics · Physics 2013-05-30 Steven Hartung , Hemant Shukla , J. Patrick Miller , Carlton Pennypacker

The aim of this paper is to discuss some applications of general topology in computer algorithms including modeling and simulation, and also in computer graphics and image processing. While the progress in these areas heavily depends on…

Numerical Analysis · Mathematics 2012-01-23 Rastislav Telgarsky

Computer modeling is essential to research on Advanced Accelerator Concepts (AAC), as well as to their design and operation. This paper summarizes the current status and future needs of AAC systems and reports on several key aspects of (i)…

Accelerator Physics · Physics 2021-10-27 J. -L. Vay , A. Huebl , R. Lehe , N. M. Cook , R. J. England , U. Niedermayer , P. Piot , F. Tsung , D. Winklehner

Image segmentation plays an important role in computer vision, object detection, traffic control, and video surveillance. Typically, it is a critical step in the 3D reconstruction of a specific organ in medical image processing which…

Image and Video Processing · Electrical Eng. & Systems 2020-12-22 Yu-Wei Chang , Tony W. H. Sheu

Recent years have witnessed a phenomenal growth in the computational capabilities and applications of GPUs. However, this trend has also led to dramatic increase in their power consumption. This paper surveys research works on analyzing and…

Hardware Architecture · Computer Science 2014-04-21 Sparsh Mittal , Jeffrey S. Vetter

The GRAPE-4, the world's fastest computer in 1995-1997, has produced some major scientific results, through a wide diversity of large-scale simulations in astrophysics. Applications have ranged from planetary formation, through the…

Astrophysics · Physics 2016-08-30 Piet Hut , Jun Makino