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The fast multipole method (FMM) has received growing attention in the beam physics simulation. In this study, we formulate an interpolation-based FMM for the computation of the relativistic space-charge field. Different to the…

计算物理 · 物理学 2023-07-19 Yi-Kai Kan , Franz X. Kärtner , Sabine Le Borne , Jens-Peter M. Zemke

Network traffic is difficult to monitor and analyze, especially in high-bandwidth networks. Performance analysis, in particular, presents extreme complexity and scalability challenges. GPU (Graphics Processing Unit) technology has been…

网络与互联网体系结构 · 计算机科学 2011-08-09 Wenji Wu , Phil DeMar , Don Holmgren , Amitoj Singh , Ruth Pordes

Stencil computation is an important class of scientific applications that can be efficiently executed by graphics processing units (GPUs). Out-of-core approach helps run large scale stencil codes that process data with sizes larger than the…

分布式、并行与集群计算 · 计算机科学 2021-09-14 Jingcheng Shen , Yifan Wu , Masao Okita , Fumihiko Ino

Deploying deep neural networks on mobile devices is increasingly important but remains challenging due to limited computing resources. On the other hand, their unified memory architecture and narrower gap between CPU and GPU performance…

机器学习 · 计算机科学 2026-02-20 Zhuojin Li , Marco Paolieri , Leana Golubchik

Evaluating high-dimensional integrals via deep hierarchical recurrences is a dominant cost in quantum chemistry. While CPUs manage these efficiently, GPUs suffer a critical mismatch: limited per-thread memory is quickly overwhelmed by an…

计算物理 · 物理学 2026-05-14 Yihong Zhang , Xinran Wei , Junshi Chen , Fusong Ju , Wei Hu , Jinlong Yang , Huanhuan Xia

This work presents a GPU thread mapping approach that allows doing fast parallel stencil-like computations on discrete fractals using their compact representation. The intuition behind is to employ two GPU tensor-core accelerated thread…

分布式、并行与集群计算 · 计算机科学 2021-10-26 Felipe A. Quezada , Cristóbal A. Navarro

The High Energy Physics (HEP) experiments, such as those at the Large Hadron Collider (LHC), traditionally consume large amounts of CPU cycles for detector simulations and data analysis, but rarely use compute accelerators such as GPUs. As…

高能物理 - 实验 · 物理学 2022-03-17 Zhihua Dong , Heather Gray , Charles Leggett , Meifeng Lin , Vincent R. Pascuzzi , Kwangmin Yu

Transpose convolution has shown prominence in many deep learning applications. However, transpose convolution layers are computationally intensive due to the increased feature map size due to adding zeros after each element in each row and…

机器学习 · 计算机科学 2022-10-14 Vijay Srinivas Tida , Sai Venkatesh Chilukoti , Xiali Hei , Sonya Hsu

Future computing systems, from handhelds to supercomputers, will undoubtedly be more parallel and heterogeneous than todays systems to provide more performance and energy efficiency. Thus, GPUs are increasingly being used to accelerate…

分布式、并行与集群计算 · 计算机科学 2019-10-18 Saeed Taheri , Apan Qasem , Martin Burtscher

We design, implement, and evaluate GPU-based algorithms for the maximum cardinality matching problem in bipartite graphs. Such algorithms have a variety of applications in computer science, scientific computing, bioinformatics, and other…

分布式、并行与集群计算 · 计算机科学 2013-03-07 Mehmet Deveci , Kamer Kaya , Bora Ucar , Umit V. Catalyurek

Structural parameters are normally extracted from observed galaxies by fitting analytic light profiles to the observations. Obtaining accurate fits to high-resolution images is a computationally expensive task, requiring many model…

天体物理仪器与方法 · 物理学 2015-03-17 Benjamin R. Barsdell , David G. Barnes , Christopher J. Fluke

In recent years, the Graphics Processing Unit (GPU) has emerged as a low-cost alternative for high performance computing, enabling impressive speed-ups for a range of scientific computing applications. Early adopters in astronomy are…

天体物理仪器与方法 · 物理学 2011-11-23 Christopher J. Fluke

The Kernel Polynomial Method (KPM) is one of the fast diagonalization methods used for simulations of quantum systems in research fields of condensed matter physics and chemistry. The algorithm has a difficulty to be parallelized on a…

计算物理 · 物理学 2011-05-30 Shixun Zhang , Shinichi Yamagiwa , Masahiko Okumura , Seiji Yunoki

An out-of-core stencil computation code handles large data whose size is beyond the capacity of GPU memory. Whereas, such an code requires streaming data to and from the GPU frequently. As a result, data movement between the CPU and GPU…

分布式、并行与集群计算 · 计算机科学 2022-04-26 Jingcheng Shen , Xin Deng , Yifan Wu , Masao Okita , Fumihiko Ino

A Multigrid Full Approximation Storage algorithm for solving Deep Residual Networks is developed to enable neural network parallelized layer-wise training and concurrent computational kernel execution on GPUs. This work demonstrates a 10.2x…

机器学习 · 计算机科学 2020-09-01 Andrew C. Kirby , Siddharth Samsi , Michael Jones , Albert Reuther , Jeremy Kepner , Vijay Gadepally

We present an improved inverse ray-shooting code based on GPUs for generating microlensing magnification maps. In addition to introducing GPUs for acceleration, we put the efforts in two aspects: (i) A standard circular lens plane is…

天体物理仪器与方法 · 物理学 2022-06-08 Wenwen Zheng , Xuechun Chen , Guoliang Li , Hou-zun Chen

We introduce GRay, a massively parallel integrator designed to trace the trajectories of billions of photons in a curved spacetime. This GPU-based integrator employs the stream processing paradigm, is implemented in CUDA C/C++, and runs on…

天体物理仪器与方法 · 物理学 2015-06-15 Chi-kwan Chan , Dimitrios Psaltis , Feryal Ozel

Graphics Processing Units are high performance co-processors originally intended to improve the use and the acceleration of computer graphics applications. Because of their performance, researchers have extended their use beyond the…

仪器与探测器 · 物理学 2015-03-10 Bachir Bouhadef , Mauro Morganti , Giuseppe Terreni

Balanced butterfly counting, corresponding to counting balanced (2, 2)-bicliques, is a fundamental primitive in the analysis of signed bipartite graphs and provides a basis for studying higher-order structural properties such as clustering…

分布式、并行与集群计算 · 计算机科学 2026-01-27 Mekala Kiran , Apurba Das , Suman Banerjee , Tathagata Ray

We introduce a fusion of GPU accelerated primal heuristics for Mixed Integer Programming. Leveraging GPU acceleration enables exploration of larger search regions and faster iterations. A GPU-accelerated PDLP serves as an approximate LP…

最优化与控制 · 数学 2025-10-31 Akif Çördük , Piotr Sielski , Alice Boucher , Kumar Aatish