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Tensor computations present significant performance challenges that impact a wide spectrum of applications ranging from machine learning, healthcare analytics, social network analysis, data mining to quantum chemistry and signal processing.…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-01-06 Jiajia Li , Mahesh Lakshminarasimhan , Xiaolong Wu , Ang Li , Catherine Olschanowsky , Kevin Barker

Efficient exploitation of exascale architectures requires rethinking of the numerical algorithms used in many large-scale applications. These architectures favor algorithms that expose ultra fine-grain parallelism and maximize the ratio of…

Performance tools for emerging heterogeneous exascale platforms must address two principal challenges when analyzing execution measurements. First, measurement of large-scale executions may record mountains of performance data. Second,…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-11 Jonathon Anderson , Yumeng Liu , John Mellor-Crummey

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…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-08-20 Cyril Mazauric , Erwan Raffin , David Guibert

High resolution simulations of polar ice-sheets play a crucial role in the ongoing effort to develop more accurate and reliable Earth-system models for probabilistic sea-level projections. These simulations often require a massive amount of…

Computational Engineering, Finance, and Science · Computer Science 2022-04-12 Jerry Watkins , Max Carlson , Kyle Shan , Irina Tezaur , Mauro Perego , Luca Bertagna , Carolyn Kao , Matthew J. Hoffman , Stephen F. Price

Probabilistic Circuits (PCs) are a general framework for tractable deep generative models, which support exact and efficient probabilistic inference on their learned distributions. Recent modeling and training advancements have enabled…

Machine Learning · Computer Science 2025-11-03 Anji Liu , Kareem Ahmed , Guy Van den Broeck

We present the numerical relativity module within AthenaK, an open source performance-portable astrophysics code designed for exascale computing applications. This module employs the Z4c formulation to solve the Einstein equations. We…

General Relativity and Quantum Cosmology · Physics 2024-09-17 Hengrui Zhu , Jacob Fields , Francesco Zappa , David Radice , James Stone , Alireza Rashti , William Cook , Sebastiano Bernuzzi , Boris Daszuta

In the past decade, Deep Neural Networks (DNNs) achieved state-of-the-art performance in a broad range of problems, spanning from object classification and action recognition to smart building and healthcare. The flexibility that makes DNNs…

Performance has always been a hot topic in computing. However, the viable ways to achieve it have taken many forms in the different moments of computing history. Today, technological limits have pushed the adoption of increasingly parallel…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-01 Eduardo José Gómez-Hernández , Pablo Antonio Martínez , Biagio Peccerillo , Sandro Bartolini , José Manuel García , Gregorio Bernabé

The first associations to software sustainability might be the existence of a continuous integration (CI) framework; the existence of a testing framework composed of unit tests, integration tests, and end-to-end tests; and also the…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-11-19 Terry Cojean , Yu-Hsiang "Mike" Tsai , Hartwig Anzt

Derivative computation is a key component of optimization, sensitivity analysis, uncertainty quantification, and nonlinear solvers. Automatic differentiation (AD) is a powerful technique for evaluating such derivatives, and in recent years,…

Mathematical Software · Computer Science 2025-07-18 Kim Liegeois , Brian Kelley , Eric Phipps , Sivasankaran Rajamanickam , Vassil Vassilev

Exascale computing will get mankind closer to solving important social, scientific and engineering problems. Due to high prototyping costs, High Performance Computing (HPC) system architects make use of simulation models for design space…

Performance · Computer Science 2018-03-28 Alexandra Ferreron , Radhika Jagtap , Sascha Bischoff , Roxana Rusitoru

Parallel computing in Gaussian process calculations becomes necessary for avoiding computational and memory restrictions associated with large-scale environmental data science applications. The evaluation of the Gaussian log-likelihood…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-19 Sameh Abdulah , Yuxiao Li , Jian Cao , Hatem Ltaief , David E. Keyes , Marc G. Genton , Ying Sun

As GPU-accelerated mathematical programming techniques mature, there is growing interest in utilizing them to address the computational challenges of power system optimization. This paper introduces ExaModelsPower.jl, an open-source…

Systems and Control · Electrical Eng. & Systems 2026-03-16 Sanjay Johnson , Dirk Lauinger , Sungho Shin , François Pacaud

There are many science applications that require scalable task-level parallelism and support for flexible execution and coupling of ensembles of simulations. Most high-performance system software and middleware, however, are designed to…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-06-29 Vivekanandan Balasubramanian , Antons Treikalis , Ole Weidner , Shantenu Jha

The PySCF package has emerged as a powerful and flexible open-source platform for quantum chemistry simulations. However, the efficiency of electronic structure calculations can vary significantly depending on the choice of computational…

Chemical Physics · Physics 2025-06-10 Zhichen Pu , Qiming Sun

While accelerated computing has transformed many domains of computing, its impact on logical reasoning, specifically Boolean satisfiability (SAT), remains limited. State-of-the-art SAT solvers rely heavily on inherently sequential…

Logic in Computer Science · Computer Science 2025-11-12 Steve Dai , Cunxi Yu , Kalyan Krishnamani , Brucek Khailany

The first generation of exascale systems will include a variety of machine architectures, featuring GPUs from multiple vendors. As a result, many developers are interested in adopting portable programming models to avoid maintaining…

Performance · Computer Science 2023-10-26 Esteban M. Rangel , S. John Pennycook , Adrian Pope , Nicholas Frontiere , Zhiqiang Ma , Varsha Madananth

Current climate change has posed a grand challenge in the field of numerical modeling due to its complex, multiscale dynamics. In hydrological modeling, the increasing demand for high-resolution, real-time simulations has led to the…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-04 Johansell Villalobos , Daniel Caviedes-Voullième , Silvio Rizzi , Esteban Meneses