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Pre-exascale High Performance Computers (HPC) can reach more than 400 Pflop/s real perfor-mance according the HPLinpack benchmarks. For nanoscience and quantum biology there are requirements for those program codes based on quantum physics…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-04 Mindaugas Macernis , Vaidotas Mickus , Janne Ahonen , Laurynas Diska , Jonas Franukevicius , Juozas Sulskus

We present a look at Ookami, a project providing community access to a testbed supercomputer with the ARM-based A64FX processors developed by a collaboration between RIKEN and Fujitsu and deployed in the Japanese supercomputer Fugaku. We…

Instrumentation and Methods for Astrophysics · Physics 2023-11-09 A. C. Calder , E. Siegmann , C. Feldman , S. Chheda , D. C. Smolarski , F. D. Swesty , A. Curtis , J. Dey , D. Carlson , B. Michalowicz , R. J. Harrison

The exascale race is at an end with the announcement of the Aurora and Frontier machines. This next generation of supercomputers utilize diverse hardware architectures to achieve their compute performance, providing an added onus on the…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-11-26 Rahulkumar Gayatri , Stan Moore , Evan Weinberg , Nicholas Lubbers , Sarah Anderson , Jack Deslippe , Danny Perez , Aidan P. Thompson

Cloud computing recently developed into a viable alternative to on-premises systems for executing high-performance computing (HPC) applications. With the emergence of new vendors and hardware options, there is now a growing need to…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-14 Mohammad Mohammadi , Timur Bazhirov

Recent commercial hardware platforms for embedded real-time systems feature heterogeneous processing units and computing accelerators on the same System-on-Chip. When designing complex real-time application for such architectures, the…

Operating Systems · Computer Science 2019-01-10 Houssam-Eddine Zahaf , Nicola Capodieci , Roberto Cavicchioli , Marko Bertogna , Giuseppe Lipari

The development of the A64FX processor by Fujitsu has been a massive innovation in vectorized processors and led to Fugaku: the current world's fastest supercomputer. We use a variety of tools to analyze the behavior and performance of…

Performance · Computer Science 2021-06-21 Benjamin Michalowicz , Eric Raut , Yan Kang , Tony Curtis , Barbara Chapman , Dossay Oryspayev

High Performance Computing (HPC), Artificial Intelligence (AI)/Machine Learning (ML), and Quantum Computing (QC) and communications offer immense opportunities for innovation and impact on society. Researchers in these areas depend on…

Computers and Society · Computer Science 2020-12-18 William Gropp , Sujata Banerjee , Ian Foster

The increasing demands for computing performance have been a reality regardless of the requirements for smaller and more energy efficient devices. Throughout the years, the strategy adopted by industry was to increase the robustness of a…

Software Engineering · Computer Science 2019-05-07 Hugo Andrade , Ivica Crnkovic

There is an obvious trend that more and more data and computation are migrating into networks nowadays. Combining mature virtualization technologies with service-centric net- working, we are entering into an era where countless services…

Networking and Internet Architecture · Computer Science 2016-04-07 Liang Wang , Mario Almeida , Jeremy Blackburn , Jon Crowcroft

Containers offer an array of advantages that benefit research reproducibility and portability across groups and systems. As container tools mature, container security improves, and High-performance computing (HPC) and cloud system tools…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-24 Tiziano Müller , Nina Mujkanovic , Juan J. Durillo , Nicolay Hammer

Overheads in Operating System kernel network stacks and sockets have been hindering OSes from managing networking operations efficiently for years. Moreover, when building Remote Procedure Calls over TCP, certain TCP features do not match…

Networking and Internet Architecture · Computer Science 2021-07-06 Ioannis Argyroulis

The exponential growth of data traffic and the increasing complexity of networked applications demand effective solutions capable of passively inspecting and analysing the network traffic for monitoring and security purposes. Implementing…

Networking and Internet Architecture · Computer Science 2024-07-24 Luca Deri , Alfredo Cardigliano , Francesco Fusco

With the growing complexity and capability of contemporary robotic systems, the necessity of sophisticated computing solutions to efficiently handle tasks such as real-time processing, sensor integration, decision-making, and control…

Robotics · Computer Science 2025-09-09 Md Rafid Islam

The objective of our research is to demonstrate the practical usage and orders of magnitude speedup of real-world applications by using alternative technologies to support high performance computing. Currently, the main barrier to the…

Astrophysics · Physics 2007-11-22 Robert J. Brunner , Volodymyr V. Kindratenko , Adam D. Myers

Hardware heterogeneity is here to stay for high-performance computing. Large-scale systems are currently equipped with multiple GPU accelerators per compute node and are expected to incorporate more specialized hardware in the future. This…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-05 Polykarpos Thomadakis , Nikos Chrisochoides

Quantum computing has shown theoretical promise of speedup in several machine learning tasks, including generative tasks using generative adversarial networks (GANs). While quantum computers have been implemented with different types of…

Quantum Physics · Physics 2024-10-11 Nicholas S. DiBrita , Daniel Leeds , Yuqian Huo , Jason Ludmir , Tirthak Patel

With unprecedented increases in traffic load in today's wireless networks, design challenges shift from the wireless network itself to the computational support behind the wireless network. In this vein, there is new interest in…

Networking and Internet Architecture · Computer Science 2020-10-05 Minsung Kim , Davide Venturelli , Kyle Jamieson

In this work we discuss proxy architectures which interconnect IoT domains running CoAP with the rest of Internet including micro datacenters and other domains building scalable hierarchical architectures. We assume that CoAP domain is…

Networking and Internet Architecture · Computer Science 2018-03-23 Jelena Misic , M. Zulfiker Ali , Vojislav B. Misic

With the quick proliferation of extended reality (XR) services, the mobile communications networks are faced with gigantic challenges to meet the diversified and challenging service requirements. A tight coordination or even convergence of…

Networking and Internet Architecture · Computer Science 2023-06-16 Shuangfeng Han , Zhiming Liu , Tao Sun , Xiaoyun Wang

The development of the A64FX processor by Fujitsu has created a massive innovation in High-Performance Computing and the birth of Fugaku: the current world's fastest supercomputer. A variety of tools are used to analyze the run-times and…

Mathematical Software · Computer Science 2021-07-26 Benjamin Michalowicz , Eric Raut , Yan Kang , Tony Curtis , Barbara Chapman , Dossay Oryspayev