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An overview is given of the QCDOC architecture, a massively parallel and highly scalable computer optimized for lattice QCD using system-on-a-chip technology. The heart of a single node is the PowerPC-based QCDOC ASIC, developed in…

High Energy Physics - Lattice · Physics 2007-05-23 P. A. Boyle , C. Jung , T. Wettig

Kepler GTX Titan Black and Kepler Tesla K40 are still the best GPUs for high performance computing, although Maxwell GPUs such as GTX 980 are available in the market. Hence, we measure the performance of our lattice QCD codes using the…

High Energy Physics - Lattice · Physics 2014-11-11 Yong-Chull Jang , Hwancheol Jeong , Jangho Kim , Weonjong Lee , Jeonghwan Pak , Yuree Chung

In this work we use the GPU porting task for the operative Japanese weather prediction model "ASUCA" as an opportunity to examine productivity issues with OpenACC when applied to structured grid problems. We then propose "Hybrid Fortran",…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-12-11 Michel Müller , Takayuki Aoki

Attributed graph clustering, which aims to group the nodes of an attributed graph into disjoint clusters, has made promising advancements in recent years. However, most existing methods face challenges when applied to large graphs due to…

Machine Learning · Computer Science 2024-08-13 Yunhui Liu , Tieke He , Qing Wu , Tao Zheng , Jianhua Zhao

Autonomous vehicles (AV) are expected to revolutionize transportation and improve road safety significantly. However, these benefits do not come without cost; AVs require large Deep-Learning (DL) models and powerful hardware platforms to…

Signal Processing · Electrical Eng. & Systems 2023-04-19 Arnav Malawade , Mohanad Odema , Sebastien Lajeunesse-DeGroot , Mohammad Abdullah Al Faruque

Heterogeneous systems consisting of general-purpose processors and different types of hardware accelerators are becoming more and more common in HPC systems. Especially FPGAs provide a promising opportunity to improve both performance and…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-08-28 Oliver Knodel , Rainer G. Spallek

I highlight recent progress in cluster computer technology and assess status and prospects of cluster computers for lattice QCD with respect to the development of QCDOC and apeNEXT. Taking the LatFor test case, I specify a 512-processor…

High Energy Physics - Lattice · Physics 2009-11-10 Thomas Lippert

Huge energy consumption poses a significant challenge for edge clouds. In response to this, we introduce a new type of edge server, namely SoC Cluster, that orchestrates multiple low-power mobile system-on-chips (SoCs) through an on-chip…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-18 Li Zhang , Zhe Fu , Boqing Shi , Xiang Li , Rujin Lai , Chenyang Yang , Ao Zhou , Xiao Ma , Shangguang Wang , Mengwei Xu

This paper presents a tool that simplifies quantum software development by unifying circuit design, code generation, and execution within a single cross-platform environment that supports iterative development. Implemented as open source,…

Edge AI deployment faces critical challenges balancing computational performance, energy efficiency, and resource constraints. This paper presents FPGA-accelerated RISC-V instruction set architecture (ISA) extensions for efficient neural…

Hardware Architecture · Computer Science 2025-11-11 Arya Parameshwara , Santosh Hanamappa Mokashi

This paper presents the design of scalable quantum networks that utilize optical switches to interconnect multiple quantum processors, facilitating large-scale quantum computing. By leveraging these novel architectures, we aim to address…

Transformer-based Large Language Models (LLMs) have significantly advanced AI capabilities but pose considerable challenges for deployment on edge devices due to high computational demands, memory bandwidth constraints, and energy…

Hardware Architecture · Computer Science 2025-04-25 Maoyang Xiang , Ramesh Fernando , Bo Wang

Superconducting qubits provide a promising approach to large-scale fault-tolerant quantum computing. However, qubit connectivity on a planar surface is typically restricted to only a few neighboring qubits. Achieving longer-range and more…

We present FoamGrid, a new implementation of the DUNE grid interface. FoamGrid implements one- and two-dimensional grids in a physical space of arbitrary dimension, which allows for grids for curved domains. Even more, the grids are not…

Mathematical Software · Computer Science 2020-05-01 Oliver Sander , Timo Koch , Natalie Schröder , Bernd Flemisch

A system can satisfy accuracy-based validation, maintain output stability (Safety-Threshold Exceedance Rate, STER, equal to zero), and still violate timing constraints under deployment load. These are structurally independent properties…

Hardware Architecture · Computer Science 2026-04-28 Akul Mallayya Swami

A new flow solver scalable on multiple Graphics Processing Units (GPUs) for direct numerical simulation of wall-bounded incompressible flow is presented. This solver utilizes a previously reported work (J. Comp. Physics, vol. 352 (2018),…

Computational Physics · Physics 2018-12-05 Sanghyun Ha , Junshin Park , Donghyun You

The rapid growth of Internet-of-things (IoT) and artificial intelligence applications have called forth a new computing paradigm--edge computing. In this paper, we study the suitability of deploying FPGAs for edge computing from the…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-04-19 Saman Biookaghazadeh , Fengbo Ren , Ming Zhao

Edge computing, with its low latency, dynamic scalability, and location awareness, along with the convergence of computing and communication paradigms, has been successfully applied in critical domains such as industrial IoT, smart…

Networking and Internet Architecture · Computer Science 2025-05-16 Jianpeng Qi , Chao Liu , Xiao Zhang , Lei Wang , Rui Wang , Junyu Dong , Yanwei Yu

Advanced ultrasound computed tomography techniques like full-waveform inversion are mathematically challenging and orders of magnitude more computationally expensive than conventional ultrasound imaging methods. This computational and…

Here we present qFlex, a flexible tensor network based quantum circuit simulator. qFlex can compute both exact amplitudes, essential for the verification of the quantum hardware, as well as low fidelity amplitudes, in order to mimic…