English
Related papers

Related papers: A 128-point Multi-Path SC FFT Architecture

200 papers

Floating-point square-root computation is a power- and delay-critical operation in edge-AI, signal-processing, and embedded systems. Conventional implementations typically rely on multipliers or iterative pipelines, resulting in increased…

Hardware Architecture · Computer Science 2026-04-21 Prateek Goyal , Jatin Kumar Reddy Mothe , Swara Rajesh Shelke , Sujit Kumar Sahoo

Dispersion-free ultra-high order FFT-based Maxwell solvers have recently proven to be paramount to a large range of applications, including the high-fidelity modeling of high-intensity laser-matter interactions with Particle-In-Cell (PIC)…

Computational Physics · Physics 2019-10-02 Haithem Kallala , Jean-Luc Vay , Henri Vincenti

This paper shows that it is possible to improve the computational cost, the memory requirements and the accuracy of Quick Fourier Transform (QFT) algorithm for power-of-two FFT (Fast Fourier Transform) just introducing a slight modification…

Data Structures and Algorithms · Computer Science 2013-01-07 Lorenzo Pasquini

This work discusses the implementation of Markov Chain Monte Carlo (MCMC) sampling from an arbitrary Gaussian mixture model (GMM) within SRAM. We show a novel architecture of SRAM by embedding it with random number generators (RNGs),…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Priyesh Shukla , Ahish Shylendra , Theja Tulabandhula , Amit Ranjan Trivedi

We propose a novel receiver architecture that preserves the performance benefits of multiport selection in fluid-antenna systems while requiring only a very small number of radio-frequency (RF) chains. The resulting fluid-antenna hybrid…

Information Theory · Computer Science 2026-05-25 José P. González-Coma , José David Vega-Sánchez , F. Javier López-Martínez

The ever-increasing computational and storage requirements of modern applications and the slowdown of technology scaling pose major challenges to designing and implementing efficient computer architectures. To mitigate the bottlenecks of…

Hardware Architecture · Computer Science 2025-01-10 Matteo Perotti , Samuel Riedel , Matheus Cavalcante , Luca Benini

Whilst numerous areas of computing have adopted the RISC-V Instruction Set Architecture (ISA) wholesale in recent years, it is yet to become widespread in HPC. RISC-V accelerators offer a compelling option where the HPC community can…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-19 Nick Brown , Jake Davies , Felix LeClair

Emerging continual learning applications necessitate next-generation neural processing unit (NPU) platforms to support both training and inference operations. The promising Microscaling (MX) standard enables narrow bit-widths for inference…

Hardware Architecture · Computer Science 2026-03-13 Stef Cuyckens , Xiaoling Yi , Robin Geens , Joren Dumoulin , Martin Wiesner , Chao Fang , Marian Verhelst

The transfer-matrix technique is a convenient way for studying strip lattices in the Potts model since the compu- tational costs depend just on the periodic part of the lattice and not on the whole. However, even when the cost is reduced,…

Computational Physics · Physics 2015-08-27 Cristobal A. Navarro , Fabrizio Canfora , Nancy Hitschfeld Kahler

We present a parallel FFT algorithm for SIMD systems following the `Transpose Algorithm' approach. The method is based on the assignment of the data field onto a 1-dimensional ring of systolic cells. The systolic array can be universally…

High Energy Physics - Lattice · Physics 2015-06-25 Thomas Lippert , Klaus Schilling , Federico Toschi , Sven Trentmann , Raffaele Tripiccione

Whereas contemporary Error Correcting Codes (ECC) designs occupy a significant fraction of total die area in chip-multiprocessors (CMPs), approaches to deal with the vulnerability increase of CMP architecture against Single Event Upsets…

Hardware Architecture · Computer Science 2016-07-29 Navid Khoshavi , Armin Samiei

In-memory computing (IMC) offloads parts of the computations to memory to fulfill the performance and energy demands of applications such as neuromorphic computing, machine learning, and image processing. Fortunately, the main features that…

Hardware Architecture · Computer Science 2024-12-03 Amir M. Hajisadeghi , Hamid R. Zarandi , Mahmoud Momtazpour

The need for wireless communication has driven the communication systems to high performance. However, the main bottleneck that affects the communication capability is the Fast Fourier Transform (FFT), which is the core of most modulators.…

Signal Processing · Electrical Eng. & Systems 2018-06-13 Yazan Samir Algnabi , Rozita Teymourzadeh , Masuri Othman , Md Shabiul Islam

Rapid single-flux quantum (RSFQ) is one of the most advanced superconductive electronics technologies. SFQ systems operate at tens of gigahertz with up to three orders of magnitude smaller power as compared to CMOS. In conventional SFQ…

Emerging Technologies · Computer Science 2024-03-12 Rassul Bairamkulov , Giovanni De Micheli

(Context) Monte Carlo radiative transfer (MCRT) is a widely used technique to model the interaction between radiation and a medium, and plays an important role in astrophysical modelling and when comparing those models with observations.…

Instrumentation and Methods for Astrophysics · Physics 2020-09-16 Bert Vandenbroucke , Peter Camps

Modern processors deliver higher throughput for lower-precision arithmetic than for higher-precision arithmetic. For matrix multiplication, the Ozaki scheme exploits this performance gap by splitting the inputs into lower-precision…

Mathematical Software · Computer Science 2026-04-01 Shota Kawakami , Daisuke Takahashi

We will present a few new generalizations of the multi-controlled X (MCX) gate that uses the quantum Fourier transform (QFT). Firstly, we will optimize QFT-MCX and prove that it is equivalent to a stair MCX gates array. This stair-wise…

Quantum Physics · Physics 2025-02-21 Vladimir V. Arsoski

Fluxonium qubits combine long coherence times with strong anharmonicity, making them a promising platform for scalable superconducting quantum processors. Recent experiments have demonstrated high-fidelity operations in multi-qubit…

Quantum Physics · Physics 2026-04-30 Guo Xuan Chan , Wangwei Lan , Tenghui Wang , Xizheng Ma , Chunqing Deng , Lijing Jin

This paper describes a low-power processor tailored for fast Fourier transform computations where transport triggering template is exploited. The processor is software-programmable while retaining an energy-efficiency comparable to existing…

Hardware Architecture · Computer Science 2019-05-22 Jakub Žádník , Jarmo Takala

This paper presents an innovative set of tools to support a methodology for the multichannel interpolation (MCI) of a discrete signal. It is shown that a bandlimited signal $f$ can be exactly reconstructed from finite samples of $g_k$…

Information Theory · Computer Science 2019-04-12 Dong Cheng , Kit Ian Kou