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The increasing complexity and scale of cosmological N-body simulations, driven by astronomical surveys like Euclid, call for a paradigm shift towards more sustainable and energy-efficient high-performance computing (HPC). The rising energy…

The analysis of spatial observations on a sphere is important in areas such as geosciences, physics and embryo research, just to name a few. The purpose of the package rcosmo is to conduct efficient information processing, visualisation,…

Computation · Statistics 2019-07-15 Daniel Fryer , Ming Li , Andriy Olenko

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…

Optimization and Control · Mathematics 2025-10-31 Akif Çördük , Piotr Sielski , Alice Boucher , Kumar Aatish

GPU hash tables are increasingly used to accelerate data processing, but their limited functionality restricts adoption in large-scale data processing applications. Current limitations include incomplete concurrency support and missing…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-24 Hunter McCoy , Prashant Pandey

I present CMBAnalysis, a state-of-the-art Python framework designed for high-precision analysis of Cosmic Microwave Background (CMB) radiation data. This comprehensive package implements parallel Markov Chain Monte Carlo (MCMC) techniques…

Cosmology and Nongalactic Astrophysics · Physics 2024-11-20 Srikrishna S Kashyap

GPUs are uniquely suited to accelerate (SQL) analytics workloads thanks to their massive compute parallelism and High Bandwidth Memory (HBM) -- when datasets fit in the GPU HBM, performance is unparalleled. Unfortunately, GPU HBMs remain…

When processing large medical imaging studies, adopting high performance grid computing resources rapidly becomes important. We recently presented a "medical image processing-as-a-service" grid framework that offers promise in utilizing the…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-12-27 Shunxing Bao , Yuankai Huo , Prasanna Parvathaneni , Andrew J. Plassard , Camilo Bermudez , Yuang Yao , Ilwoo Llyu , Aniruddha Gokhale , Bennett A. Landman

Inferring cosmological parameters from Cosmic Microwave Background (CMB) data requires repeated and computationally expensive calculations of theoretical angular power spectra using Boltzmann solvers like CAMB. This creates a significant…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-30 L. Storchi , P. Campeti , M. Lattanzi , N. Antonini , E. Calore , P. Lubrano

In our former works we have made serious efforts to improve the performance of medical image analysis methods with using ensemble-based systems. In this paper, we present a novel hardware-based solution for the efficient adoption of our…

Image and Video Processing · Electrical Eng. & Systems 2018-06-19 Laszlo Kovacs , Roland Kovacs , Andras Hajdu

Correlation Plenoptic Imaging (CPI) is a novel technological imaging modality enabling to overcome drawbacks of standard plenoptic devices, while preserving their advantages. However, a major challenge in view of real-time application of…

Traditional analysis techniques may not be sufficient for astronomers to make the best use of the data sets that current and future instruments, such as the Square Kilometre Array and its Pathfinders, will produce. By utilizing the…

Instrumentation and Methods for Astrophysics · Physics 2010-01-14 Amr H. Hassan , Christopher J. Fluke , David G. Barnes

The availability of low cost sensors has led to an unprecedented growth in the volume of spatial data. However, the time required to evaluate even simple spatial queries over large data sets greatly hampers our ability to interactively…

Databases · Computer Science 2020-04-09 Harish Doraiswamy , Juliana Freire

mlx-vis implements eight dimensionality reduction methods -- UMAP, t-SNE, PaCMAP, LocalMAP, TriMap, DREAMS, CNE, MMAE -- and NNDescent k-NN graph construction entirely in MLX for Apple Silicon Metal GPU. A built-in GPU renderer produces…

Machine Learning · Computer Science 2026-03-23 Han Xiao

With large-scale Integral Field Spectroscopy (IFS) surveys of thousands of galaxies currently under-way or planned, the astronomical community is in need of methods, techniques and tools that will allow the analysis of huge amounts of data.…

Instrumentation and Methods for Astrophysics · Physics 2015-12-22 Georgios Bekiaris , Karl Glazebrook , Christopher J. Fluke , Roberto Abraham

Live time-lapse microscopy is essential for a wide range of biological applications. Software-based automation is the gold standard for the operation of hardware accessories necessary for image acquisition. Given that current software…

Image and Video Processing · Electrical Eng. & Systems 2019-06-20 Quang Long Pham , David Chege , Timothy Dijamco , Migle Surblyte , Akshay Naik , Kolawole Campbell , Nhat-Anh-Nguyen Tong , Roman Voronov

X-ray ptychography imaging at synchrotron facilities like the Advanced Photon Source (APS) involves controlling instrument hardwares to collect a set of diffraction patterns from overlapping coherent illumination spots on extended samples,…

Instrumentation and Detectors · Physics 2022-02-10 Ke Yue , Junjing Deng , Yi Jiang , Youssef Nashed , David Vine , Stefan Vogt

Scientific data sets continue to increase in both size and complexity. In the past, dedicated graphics systems at supercomputing centers were required to visualize large data sets, but as the price of commodity graphics hardware has dropped…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 P. R. Gazis , C. Levit , M. J. Way

We present a high-performance, graphics processing unit (GPU)-based framework for the efficient analysis and visualization of (nearly) terabyte (TB)-sized 3-dimensional images. Using a cluster of 96 GPUs, we demonstrate for a 0.5 TB image:…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 A. H. Hassan , C. J. Fluke , D. G. Barnes , V. A. Kilborn

This paper presents the construction of the RapidXMM database that is available through the XMM-Newton Science Archive and offers access to upper limits and aperture photometry across the field of view of the XMM-Newton Pointed and Slew…

High Energy Astrophysical Phenomena · Physics 2022-02-03 A. Ruiz , A. Georgakakis , S. Gerakakis , R. Saxton , P. Kretschmar , A. Akylas , I. Georgantopoulos

The recent introduction of powerful embedded graphics processing units (GPUs) has allowed for unforeseen improvements in real-time computer vision applications. It has enabled algorithms to run onboard, well above the standard video rates,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Balazs Nagy , Philipp Foehn , Davide Scaramuzza