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We consider the problem of transposing tensors of arbitrary dimension and describe TTC, an open source domain-specific parallel compiler. TTC generates optimized parallel C++/CUDA C code that achieves a significant fraction of the system's…

Mathematical Software · Computer Science 2016-07-06 Paul Springer , Aravind Sankaran , Paolo Bientinesi

Astrophysical simulations are computation, memory, and thus energy intensive, thereby requiring new hardware advances for progress. Stony Brook University recently expanded its computing cluster "SeaWulf" with an addition of 94 new nodes…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-30 Joshua Martin , Catherine Feldman , Eva Siegmann , Tony Curtis , David Carlson , Firat Coskun , Daniel Wood , Raul Gonzalez , Robert J. Harrison , Alan C. Calder

In this paper, we report the implementation and measured performance of our extreme-scale global simulation code on Sunway TaihuLight and two PEZY-SC2 systems: Shoubu System B and Gyoukou. The numerical algorithm is the parallel Barnes-Hut…

Instrumentation and Methods for Astrophysics · Physics 2019-07-05 Masaki Iwasawa , Daisuke Namekata , Ryo Sakamoto , Takashi Nakamura , Yasuyuki Kimura , Keigo Nitadori , Long Wang , Miyuki Tsubouchi , Jun Makino , Zhao Liu , Haohuan Fu , Guangwen Yang

This study benchmarks hybrid quantum physics-informed neural network (HQPINN) to model high-speed flows, compared against classical physics-informed neural networks (PINNs) and fully quantum neural networks (QNNs). The HQPINN architecture…

Computational Physics · Physics 2025-08-04 Fong Yew Leong , Wei-Bin Ewe , Tran Si Bui Quang , Zhongyuan Zhang , Jun Yong Khoo

Software-controlled heterogeneous memory systems have the potential to improve performance, efficiency, and cost tradeoffs in emerging systems. Delivering on this promise requires an efficient operating system (OS) mechanisms and policies…

Operating Systems · Computer Science 2020-04-13 Sudarsun Kannan , Yujie Ren , Abhishek Bhatacharjee

I describe here the performances of a parallel treecode with individual particle timesteps. The code is based on the Barnes-Hut algorithm and runs cosmological N-body simulations on parallel machines with a distributed memory architecture…

Astrophysics · Physics 2007-05-23 R. Valdarnini

We present a new very fast tree-code which runs on massively parallel Graphical Processing Units (GPU) with NVIDIA CUDA architecture. The tree-construction and calculation of multipole moments is carried out on the host CPU, while the force…

Instrumentation and Methods for Astrophysics · Physics 2010-10-15 Evghenii Gaburov , Jeroen Bédorf , Simon Portegies Zwart

Stencil codes are performance-critical in many compute-intensive applications, but suffer from significant address calculation and irregular memory access overheads. This work presents SARIS, a general and highly flexible methodology for…

Mathematical Software · Computer Science 2024-04-09 Paul Scheffler , Luca Colagrande , Luca Benini

Achieving efficient task parallelism on many-core architectures is an important challenge. The widely used GNU OpenMP implementation of the popular OpenMP parallel programming model incurs high overhead for fine-grained, short-running tasks…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-20 Wenyi Wang , Maxime Gonthier , Poornima Nookala , Haochen Pan , Ian Foster , Ioan Raicu , Kyle Chard

Even though virtualization provides a lot of advantages in cloud computing, it does not provide effective performance isolation between the virtualization machines. In other words, the performance may get affected due the interferences…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-02-05 A. P. Nirmala , Dr. R. Sridaran

Hardware accelerators have become a de-facto standard to achieve high performance on current supercomputers and there are indications that this trend will increase in the future. Modern accelerators feature high-bandwidth memory next to the…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-06-07 Ivy Bo Peng , Roberto Gioiosa , Gokcen Kestor , Erwin Laure , Stefano Markidis

To process sensor data in the Internet of Things(IoTs), embedded deep learning for 1-dimensional data is an important technique. In the past, CNNs were frequently used because they are simple to optimise for special embedded hardware such…

Hardware Architecture · Computer Science 2023-11-28 Chao Qian , Tianheng Ling , Gregor Schiele

We carry out a comparative performance study of multi-core CPUs, GPUs and Intel Xeon Phi (Many Integrated Core - MIC) with a microscopy image analysis application. We experimentally evaluate the performance of computing devices on core…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-05-15 George Teodoro , Tahsin Kurc , Guilherme Andrade , Jun Kong , Renato Ferreira , Joel Saltz

Optimal interface selection is a key mobility management issue in heterogeneous wireless networks. Measuring the physical or link level performance on a given wireless access networks does not provide a reliable indication of the IP…

Networking and Internet Architecture · Computer Science 2018-01-22 Stefano Salsano , Fabio Patriarca , Francesco Lo Presti , Pier Luigi Ventre , Valerio Gentile

This letter presents an energy- and memory-efficient pattern-matching engine for a network intrusion detection system (NIDS) in the Internet of Things. Tightly coupled architecture and circuit co-designs are proposed to fully exploit the…

Cryptography and Security · Computer Science 2021-07-09 Dai Li , Kaiyuan Yang

In this paper, we explore low-power custom quantised Multi-Layer Perceptrons (MLPs) as an Intrusion Detection System (IDS) for automotive controller area network (CAN). We utilise the FINN framework from AMD/Xilinx to quantise, train and…

Cryptography and Security · Computer Science 2024-01-24 Shashwat Khandelwal , Anneliese Walsh , Shanker Shreejith

Edge computing is emerging as a key enabler of low-latency, high-efficiency processing for the Internet of Things (IoT) and other real-time applications. To support these demands, containerization has gained traction in edge computing due…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-10 Shahidullah Kaiser , Ali Saman Tosun , Turgay Korkmaz

The radio access network (RAN) part of the next-generation wireless networks will require efficient solutions for satisfying low latency and high-throughput services. The open RAN (O-RAN) is one of the candidates to achieve this goal, in…

Networking and Internet Architecture · Computer Science 2022-02-01 Turgay Pamuklu , Shahram Mollahasani , Melike Erol-Kantarci

Many-core accelerators, as represented by the XeonPhi coprocessors and GPGPUs, allow software to exploit spatial and temporal sharing of computing resources to improve the overall system performance. To unlock this performance potential…

Performance · Computer Science 2018-02-09 Peng Zhang , Jianbin Fang , Tao Tang , Canqun Yang , Zheng Wang

We describe a strategy for code modernisation of Gadget, a widely used community code for computational astrophysics. The focus of this work is on node-level performance optimisation, targeting current multi/many-core IntelR architectures.…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-09-27 Fabio Baruffa , Luigi Iapichino , Nicolay J. Hammer , Vasileios Karakasis