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This paper discusses the challenges encountered when analyzing the energy efficiency of synthetic benchmarks and the Gromacs package on the Fritz and Alex HPC clusters. Experiments were conducted using MPI parallelism on full sockets of…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-04 Rafael Ravedutti Lucio Machado , Jan Eitzinger , Georg Hager , Gerhard Wellein

The scale of scientific High Performance Computing (HPC) and High Throughput Computing (HTC) has increased significantly in recent years, and is becoming sensitive to total energy use and cost. Energy-efficiency has thus become an important…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-10-14 David Abdurachmanov , Peter Elmer , Giulio Eulisse , Robert Knight , Tapio Niemi , Jukka K. Nurminen , Filip Nyback , Goncalo Pestana , Zhonghong Ou , Kashif Khan

Energy efficiency has emerged as a central challenge for modern high-performance computing (HPC) systems, where escalating computational demands and architectural complexity have led to significant energy footprints. This paper presents the…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-06 Kajol Kulkarni , Samuel Kemmler , Anna Schwarz , Gulcin Gedik , Yanxiang Chen , Dimitrios Papageorgiou , Ioannis Kavroulakis , Roman Iakymchuk

This paper describes how we successfully used the HPX programming model to port the DCA++ application on multiple architectures that include POWER9, x86, ARM v8, and NVIDIA GPUs. We describe the lessons we can learn from this experience as…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-21 Weile Wei , Arghya Chatterjee , Kevin Huck , Oscar Hernandez , Hartmut Kaiser

Accelerated computing is widely used in high-performance computing. Therefore, it is crucial to experiment and discover how to better utilize GPUGPUs latest generations on relevant applications. In this paper, we present results and share…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-13 Baodi Shan , Mauricio Araya-Polo

In the face of surging power demands for exascale HPC systems, this work tackles the critical challenge of understanding the impact of software-driven power management techniques like Dynamic Voltage and Frequency Scaling (DVFS) and Power…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-06 Ahmad Maroof Karimi , Matthias Maiterth , Woong Shin , Naw Safrin Sattar , Hao Lu , Feiyi Wang

In this paper, we aim to introduce a new perspective when comparing highly parallelized algorithms on GPU: the energy consumption of the GPU. We give an analysis of the performance of linear algebra operations, including addition of…

Numerical Analysis · Mathematics 2021-12-22 Abal-Kassim Cheik Ahamed , Alban Desmaison , Frederic Magoules

This study presents a benchmarking analysis of the Qualcomm Cloud AI 100 Ultra (QAic) accelerator for large language model (LLM) inference, evaluating its energy efficiency (throughput per watt), performance, and hardware scalability…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-30 Mohammad Firas Sada , John J. Graham , Elham E Khoda , Mahidhar Tatineni , Dmitry Mishin , Rajesh K. Gupta , Rick Wagner , Larry Smarr , Thomas A. DeFanti , Frank Würthwein

The paradigm shift towards multi-core and heterogeneous computing, driven by the fundamental power and thermal limits of single-core processors, has established energy efficiency as a first-class design constraint in high-performance…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-30 Mufakir Qamar Ansari , Mudabir Qamar Ansari

Growing deployment of power and energy efficient throughput accelerators (GPU) in data centers demands enhancement of power-performance co-optimization capabilities of GPUs. Realization of exascale computing using accelerators requires…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-11-06 Nilanjan Goswami , Amer Qouneh , Chao Li , Tao Li

Energy modeling can enable energy-aware software development and assist the developer in meeting an application's energy budget. Although many energy models for embedded processors exist, most do not account for processor-specific…

Software Engineering · Computer Science 2021-05-25 Kyriakos Georgiou , Zbigniew Chamski , Kris Nikov , Kerstin Eder

Modeling multimetallic systems efficiently enables faster prediction of desirable chemical properties and design of new materials. This work describes an initial implementation for performing multireference wave function method localized…

Computational Physics · Physics 2025-05-08 Valay Agarawal , Rishu Khurana , Cong Liu , Matthew R. Hermes , Christopher Knight , Laura Gagliardi

We present our experience of porting the code used in the wave-packet convergent-close-coupling (WP-CCC) approach to run on NVIDIA V100 and AMD MI250X GPUs. The WP-CCC approach is a method used in the field of ion-atom collision physics to…

Computational Physics · Physics 2024-03-08 I. B. Abdurakhmanov , N. W. Antonio , M. Cytowski , A. S. Kadyrov

When considering different hardware platforms, not just the time-to-solution can be of importance but also the energy necessary to reach it. This is not only the case with battery powered and mobile devices but also with high-performance…

Performance · Computer Science 2020-06-30 Philip Heinisch , Katharina Ostaszewski , Hendrik Ranocha

The GPU has emerged as the go-to accelerator for high throughput and parallel workloads, spanning scientific simulations to AI, thanks to its performance and power efficiency. Given that 6 out of the top 10 fastest supercomputers in the…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-16 Zeyu Yang , Karel Adamek , Wesley Armour

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

Monte Carlo (MC) simulation is commonly considered to be the most accurate dose calculation method in radiotherapy. However, its efficiency still requires improvement for many routine clinical applications. In this paper, we present our…

Medical Physics · Physics 2015-05-28 Xun Jia , Xuejun Gu , Yan Jiang Graves , Michael Folkerts , Steve B. Jiang

Energy-efficiency is a key concern for neural network applications. To alleviate this issue, hardware acceleration using FPGAs or GPUs can provide better energy-efficiency than general-purpose processors. However, further improvement of the…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-06-29 Seyed Morteza Nabavinejad , Behzad Salami

Energy is now a critical ML computing resource. While measuring energy consumption and observing trends is a valuable first step, accurately understanding and diagnosing why those differences occur is crucial for optimization. To that end,…

Machine Learning · Computer Science 2026-02-02 Jae-Won Chung , Ruofan Wu , Jeff J. Ma , Mosharaf Chowdhury

Quantum inspired evolutionary optimization leverages quantum computing principles like superposition, interference, and probabilistic representation to enhance classical evolutionary algorithms with improved exploration and exploitation…

Computational Engineering, Finance, and Science · Computer Science 2025-11-11 Aman Mittal , Kasturi Venkata Sai Srikanth , Ferdin Sagai Don Bosco , Abhishek Singh , Rut Lineswala , Abhishek Chopra