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The rapid adaptation of data driven AI models, such as deep learning inference, training, Vision Transformers (ViTs), and other HPC applications, drives a strong need for runtime precision configurable different non linear activation…

Hardware Architecture · Computer Science 2026-02-12 Mukul Lokhande , Gopal Raut , Santosh Kumar Vishvakarma

Numerical simulations based on particle methods have been widely used in various fields including astrophysics. To date, simulation softwares have been developed by individual researchers or research groups in each field, with a huge amount…

Instrumentation and Methods for Astrophysics · Physics 2018-06-27 Daisuke Namekata , Masaki Iwasawa , Keigo Nitadori , Ataru Tanikawa , Takayuki Muranushi , Long Wang , Natsuki Hosono , Kentaro Nomura , Junichiro Makino

Due to its attractive characteristics in terms of performance, weight and power consumption, NAND flash memory became the main non volatile memory (NVM) in embedded systems. Those NVMs also present some specific characteristics/constraints:…

Operating Systems · Computer Science 2013-12-17 Pierre Olivier , Jalil Boukhobza , Eric Senn

Fully Homomorphic Encryption (FHE) is a set of powerful cryptographic schemes that allows computation to be performed directly on encrypted data with an unlimited depth. Despite FHE's promising in privacy-preserving computing, yet in most…

Cryptography and Security · Computer Science 2025-04-23 Yi Huang , Xinsheng Gong , Xiangyu Kong , Dibei Chen , Jianfeng Zhu , Wenping Zhu , Liangwei Li , Mingyu Gao , Shaojun Wei , Aoyang Zhang , Leibo Liu

We present FlowPM, a Particle-Mesh (PM) cosmological N-body code implemented in Mesh-TensorFlow for GPU-accelerated, distributed, and differentiable simulations. We implement and validate the accuracy of a novel multi-grid scheme based on…

Cosmology and Nongalactic Astrophysics · Physics 2020-10-23 Chirag Modi , Francois Lanusse , Uros Seljak

Fully Homomorphic Encryption (FHE) imposes substantial memory bandwidth demands, presenting significant challenges for efficient hardware acceleration. Near-memory Processing (NMP) has emerged as a promising architectural solution to…

Hardware Architecture · Computer Science 2025-04-01 Shangyi Shi , Husheng Han , Jianan Mu , Xinyao Zheng , Ling Liang , Hang Lu , Zidong Du , Xiaowei Li , Xing Hu , Qi Guo

The Fujitsu A64FX ARM-based processor is used in supercomputers such as Fugaku in Japan and Isambard 2 in the UK and provides an interesting combination of hardware features such as Scalable Vector Extension (SVE), and native support for…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-20 Mosè Giordano , Milan Klöwer , Valentin Churavy

FPGA technology can offer significantly hi\-gher performance at much lower power consumption than is available from CPUs and GPUs in many computational problems. Unfortunately, programming for FPGA (using ha\-rdware description languages,…

Other Computer Science · Computer Science 2015-10-01 Artur Gramacki , Marek Sawerwain , Jarosław Gramacki

When designing modern embedded computing systems, most software programmers choose to use multicore processors, possibly in combination with general-purpose graphics processing units (GPGPUs) and/or hardware accelerators. They also often…

Hardware Architecture · Computer Science 2015-08-31 Lesley Shannon , Eric Matthews , Nicholas Doyle , Alexandra Fedorova

Energy efficiency and computing flexibility are some of the primary design constraints of heterogeneous computing. In this paper, we present FlashAbacus, a data-processing accelerator that self-governs heterogeneous kernel executions and…

Hardware Architecture · Computer Science 2018-05-09 Jie Zhang , Myoungsoo Jung

A large semantic gap between the high-level synthesis (HLS) design and the low-level (on-board or RTL) simulation environment often creates a barrier for those who are not FPGA experts. Moreover, such low-level simulation takes a long time…

Hardware Architecture · Computer Science 2018-12-27 Yuze Chi , Young-kyu Choi , Jason Cong , Jie Wang

We introduce NebulOS, a Big Data platform that allows a cluster of Linux machines to be treated as a single computer. With NebulOS, the process of writing a massively parallel program for a datacenter is no more complicated than writing a…

Instrumentation and Methods for Astrophysics · Physics 2016-09-15 Nathaniel R. Stickley , Miguel A. Aragon-Calvo

We compare the statistics of driven, supersonic turbulence at high Mach number using FLASH a widely used Eulerian grid-based code and PHANTOM, a Lagrangian SPH code at resolutions of up to 512^3 in both grid cells and SPH particles. We find…

Astrophysics of Galaxies · Physics 2015-05-18 Daniel J. Price , Christoph Federrath

The study of the interaction between solid objects and magnetohydrodynamic (MHD) fluids is of great importance in physics as consequence of the significant phenomena generated, such as planets interacting with stellar wind produced by their…

Cloud computing for high performance computing resources is an emerging topic. This service is of interest to researchers who care about reproducible computing, for software packages with complex installations, and for companies or…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-04 Patrick Diehl , Steven R. Brandt , Gregor Daiß , Hartmut Kaiser

We describe a new implementation of a parallel Tree-SPH code with the aim to simulate Galaxy Formation and Evolution. The code has been parallelized using SHMEM, a Cray proprietary library to handle communications between the 256 processors…

Astrophysics · Physics 2009-10-31 Cesario Lia , Giovanni Carraro

We present an efficient algorithmic framework for constructing multi-level hp-bases that uses a data-oriented approach that easily extends to any number of dimensions and provides a natural framework for performance-optimized…

Numerical Analysis · Mathematics 2022-09-27 Philipp Kopp , Ernst Rank , Victor M. Calo , Stefan Kollmannsberger

The force field by Lenosky and coworkers is the latest force field for silicon which is one of the most studied materials. It has turned out to be highly accurate in a large range of test cases. The optimization and parallelization of this…

Condensed Matter · Physics 2015-06-24 Stefan Goedecker

Basic Linear Algebra Subprograms (BLAS) and Linear Algebra Package (LAPACK) form basic building blocks for several High Performance Computing (HPC) applications and hence dictate performance of the HPC applications. Performance in such…

Hardware Architecture · Computer Science 2017-11-15 Farhad Merchant , Anupam Chattopadhyay , Soumyendu Raha , S K Nandy , Ranjani Narayan

GPUs are now used for a wide range of problems within HPC. However, making efficient use of the computational power available with multiple GPUs is challenging. The main challenges in achieving good performance are memory layout, affecting…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-20 Robert Clucas , Philip Blakely , Nikolaos Nikiforakis