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Classical simulation of quantum circuits remains indispensable for algorithm development, hardware validation, and error analysis in the noisy intermediate-scale quantum (NISQ) era. However, state-vector simulation faces exponential memory…

Finite element analysis of solid mechanics is a foundational tool of modern engineering, with low-order finite element methods and assembled sparse matrices representing the industry standard for implicit analysis. We use performance models…

The main objective of this work consists in analyzing sub-structuring method for the parallel solution of sparse linear systems with matrices arising from the discretization of partial differential equations such as finite element, finite…

Numerical Analysis · Mathematics 2021-08-31 Abal-Kassim Cheik Ahamed , Frédéric Magoulès

We propose HYBRIDDEPTH, a robust depth estimation pipeline that addresses key challenges in depth estimation,including scale ambiguity, hardware heterogeneity, and generalizability. HYBRIDDEPTH leverages focal stack, data conveniently…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Ashkan Ganj , Hang Su , Tian Guo

Ultra-light dark matter candidates, such as axions and dark photons, particularly within the mass range of $\mu$eV to meV, have garnered significant research interest. However, the effectiveness of existing experiments is often hindered by…

Instrumentation and Detectors · Physics 2025-01-22 Hiroki Takeuchi , Junya Suzuki , Shunsuke Adachi , Osamu Tajima

The attention layer, a core component of Transformer-based LLMs, brings out inefficiencies in current GPU systems due to its low operational intensity and the substantial memory requirements of KV caches. We propose a High-bandwidth…

Hardware Architecture · Computer Science 2025-12-19 Myunghyun Rhee , Joonseop Sim , Taeyoung Ahn , Seungyong Lee , Daegun Yoon , Euiseok Kim , Kyoung Park , Youngpyo Joo , Hoshik Kim

We present cudaclaw, a CUDA-based high performance data-parallel framework for the solution of multidimensional hyperbolic partial differential equation (PDE) systems, equations describing wave motion. cudaclaw allows computational…

Mathematical Software · Computer Science 2018-05-24 H. Gorune Ohannessian , George Turkiyyah , Aron Ahmadia , David Ketcheson

In this paper, we implement a low-latency rapid-prototyping platform for signal processing based on software-defined radios (SDRs) and off-the-shelf PC hardware. This platform allows to evaluate a wide variety of algorithms in real-time…

Signal Processing · Electrical Eng. & Systems 2022-10-13 Maximilian Engelhardt , Carsten Andrich , Alexander Ihlow , Sebastian Giehl , Giovanni Del Galdo

We present an implementation of the analysis of dynamic near field scattering (NFS) data using a graphics processing unit (GPU). We introduce an optimized data management scheme thereby limiting the number of operations required. Overall,…

Data Analysis, Statistics and Probability · Physics 2012-10-04 Giovanni Cerchiari , Fabrizio Croccolo , Frédéric Cardinaux , Frank Scheffold

A projection-based immersed boundary method is dominated by sparse linear algebra routines. Using the open-source Cusp library, we observe a speedup (with respect to a single CPU core) which reflects the constraints of a bandwidth-dominated…

Computational Engineering, Finance, and Science · Computer Science 2016-04-12 Simon K Layton , Anush Krishnan , Lorena A. Barba

Exploration of the time-domain radio sky has huge potential for advancing our knowledge of the dynamic universe. Past surveys have discovered large numbers of pulsars, rotating radio transients and other transient radio phenomena; however,…

Instrumentation and Methods for Astrophysics · Physics 2011-12-02 Benjamin R. Barsdell , Matthew Bailes , David G. Barnes , Christopher J. Fluke

In high energy physics experiments (HEP), high speed and fault resilient data communication is needed between detectors/sensors and the host PC. Transient faults can occur in the communication hardware due to various external effects like…

Instrumentation and Detectors · Physics 2015-04-01 Swagata Mandal , Suman Sau , Amlan Chakrabarti , Subhasis Chattopadhyay

Recent advances in acquisition equipment is providing experiments with growing amounts of precise yet affordable sensors. At the same time an improved computational power, coming from new hardware resources (GPU, FPGA, ACAP), has been made…

Computational Physics · Physics 2021-09-01 A. Rigoni Garola , R. Cavazzana , M. Gobbin , R. S. Delogu , G. Manduchi , C. Taliercio , A. Luchetta

We present an overview of the Graphics Processing Unit (GPU) based spatial processing system created for the Canadian Hydrogen Intensity Mapping Experiment (CHIME). The design employs AMD S9300x2 GPUs and readily-available commercial…

Instrumentation and Methods for Astrophysics · Physics 2020-10-19 Nolan Denman , Andre Renard , Keith Vanderlinde , Philippe Berger , Kiyoshi Masui , Ian Tretyakov , the CHIME Collaboration

Modern GPU systems are constantly evolving to meet the needs of computing-intensive applications in scientific and machine learning domains. However, there is typically a gap between the hardware capacity and the achievable application…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-02 Gabin Schieffer , Ruimin Shi , Stefano Markidis , Andreas Herten , Jennifer Faj , Ivy Peng

The evaluation of new microprocessor designs is constrained by slow, cycle-accurate simulators that rely on unrepresentative benchmark traces. This paper introduces a novel deep learning framework for high-fidelity, ``in-the-wild''…

Hardware Architecture · Computer Science 2025-10-01 Shayne Wadle , Yanxin Zhang , Vikas Singh , Karthikeyan Sankaralingam

The latest generation of Timepix series hybrid pixel detectors enhance particle tracking with high spatial and temporal resolution. However, their high hit-rate capability poses challenges for data processing, particularly in multidetector…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-17 Tomáš Čelko , František Mráz , Benedikt Bergmann , Petr Mánek

We propose a simulation-based approach for performance modeling of parallel applications on high-performance computing platforms. Our approach enables full-system performance modeling: (1) the hardware platform is represented by an abstract…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-11-06 Gen Xu , Huda Ibeid , Xin Jiang , Vjekoslav Svilan , Zhaojuan Bian

The rapid adoption of AI and convenience offered by cloud services have resulted in the growing demands for GPUs in the cloud. Generally, GPUs are physically attached to host servers as PCIe devices. However, the fixed assembly combination…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-10 Bowen He , Xiao Zheng , Yuan Chen , Weinan Li , Yajin Zhou , Xin Long , Pengcheng Zhang , Xiaowei Lu , Linquan Jiang , Qiang Liu , Dennis Cai , Xiantao Zhang

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