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相关论文: Towards exascale real-time RFI mitigation

200 篇论文

Modern heterogeneous supercomputing systems are comprised of CPUs, GPUs, and high-speed network interconnects. Communication libraries supporting efficient data transfers involving memory buffers from the GPU memory typically require the…

分布式、并行与集群计算 · 计算机科学 2023-06-29 Naveen Namashivayam , Krishna Kandalla , James B White , Larry Kaplan , Mark Pagel

Identifying a potentially large number of simultaneous line outages in power transmission networks in real time is a computationally hard problem. This is because the number of hypotheses grows exponentially with the network size. A new…

机器学习 · 计算机科学 2019-07-02 Yue Zhao , Jianshu Chen , H. Vincent Poor

Ransomware poses a significant threat to individuals and organisations, compelling tools to investigate its behaviour and the effectiveness of mitigations. To answer this need, we present SAFARI, an open-source framework designed for safe…

密码学与安全 · 计算机科学 2025-04-11 Tommaso Compagnucci , Franco Callegati , Saverio Giallorenzo , Andrea Melis , Simone Melloni , Alessandro Vannini

This paper presents the effects of radio frequency interference (RFI) mitigation on a radio telescope's sensitivity and beam pattern. It specifically explores the impact of subspace-projection mitigation on the phased array feed (PAF) beams…

天体物理仪器与方法 · 物理学 2024-05-28 Liroy Lourenco , Aaron P Chippendale

In this work, we explore the Transcriptomics Atlas pipeline adapted for cost-efficient and high-throughput computing in the cloud. We propose a scalable, cloud-native architecture designed for running a resource-intensive aligner -- STAR --…

分布式、并行与集群计算 · 计算机科学 2025-06-17 Piotr Kica , Sabina Lichołai , Michał Orzechowski , Maciej Malawski

RFI mitigation is a critically important issue in radio astronomy using existing instruments as well as in the development of next-generation radio telescopes, such as the Square Kilometer Array (SKA). Most designs for the SKA involve…

天体物理学 · 物理学 2015-06-24 N. D. R. Bhat , J. M. Cordes , S. Chatterjee , T. J. W. Lazio

Optical approaches have made great strides towards the goal of high-speed, energy-efficient computing necessary for modern deep learning and AI applications. Read-in and read-out of data, however, limit the overall performance of existing…

This article introduces a new method to improve the dependability of millimeter-wave (mmWave) and terahertz (THz) network services in dynamic outdoor environments. In these settings, line-of-sight (LoS) connections are easily interrupted by…

网络与互联网体系结构 · 计算机科学 2023-07-14 Mohammad Al-Quraan , Ahmed Zoha , Anthony Centeno , Haythem Bany Salameh , Sami Muhaidat , Muhammad Ali Imran , Lina Mohjazi

We propose a scalable, cloud-native architecture designed for Transcriptomics Atlas Pipeline, using a resource-intensive STAR aligner and processing tens or hundreds of terabytes of RNA-seq data. We implement the pipeline using AWS cloud…

分布式、并行与集群计算 · 计算机科学 2024-09-11 Piotr Kica , Sabina Lichołai , Michał Orzechowski , Maciej Malawski

Many modern big data applications feature large scale in both numbers of responses and predictors. Better statistical efficiency and scientific insights can be enabled by understanding the large-scale response-predictor association network…

统计方法学 · 统计学 2017-04-28 Yoshimasa Uematsu , Yingying Fan , Kun Chen , Jinchi Lv , Wei Lin

Real life signals are in general non--stationary and non--linear. The development of methods able to extract their hidden features in a fast and reliable way is of high importance in many research fields. In this work we tackle the problem…

数值分析 · 数学 2018-10-26 Antonio Cicone , Haomin Zhou

The emergence of high-repetition-rate x-ray free-electron lasers, such as SLAC's LCLS-II, serve as our canonical example for autonomous controls that necessitate high-throughput diagnostics paired with streaming computational pipelines…

应用物理 · 物理学 2025-11-24 Jack Hirschman , Benjamin Mencer , Razib Obaid , Amanda Shackelford , Ryan Coffee

Slow running or straggler tasks can significantly reduce computation speed in distributed computation. Recently, coding-theory-inspired approaches have been applied to mitigate the effect of straggling, through embedding redundancy in…

机器学习 · 统计学 2018-01-24 Can Karakus , Yifan Sun , Suhas Diggavi , Wotao Yin

Real-world production systems often grapple with maintaining data quality in large-scale, dynamic streams. We introduce Drifter, an efficient and lightweight system for online feature monitoring and verification in recommendation use cases.…

Orthogonal time frequency space modulation (OTFS) is currently one of the most robust modulation techniques for high Doppler channels. However, to reap the benefits of OTFS, an accurate channel estimation is crucial. To this mean, the…

信号处理 · 电气工程与系统科学 2024-10-16 Danilo Lelin Li , Sanoopkumar P. S. , Arman Farhang

In this paper, an optimized efficient VLSI architecture of a pipeline Fast Fourier transform (FFT) processor capable of producing the reverse output order sequence is presented. Paper presents Radix-2 multipath delay architecture for FFT…

硬件体系结构 · 计算机科学 2017-07-07 Tanaji U. Kamble , B. G. Patil , Rakhee S. Bhojakar

Asynchronous tasks, when created with over-decomposition, enable automatic computation-communication overlap which can substantially improve performance and scalability. This is not only applicable to traditional CPU-based systems, but also…

分布式、并行与集群计算 · 计算机科学 2022-03-23 Jaemin Choi , David F. Richards , Laxmikant V. Kale

This work introduces a spike-based wearable analytics system utilizing Spiking Neural Networks (SNNs) deployed on an In-memory Computing engine based on RRAM crossbars, which are known for their compactness and energy-efficiency. Given the…

新兴技术 · 计算机科学 2025-02-11 Abhiroop Bhattacharjee , Jinquan Shi , Wei-Chen Chen , Xinxin Wang , Priyadarshini Panda

We discuss practical methods to ensure near wirespeed performance from clusters with either one or two Intel(R) Omni-Path host fabric interfaces (HFI) per node, and Intel(R) Xeon Phi(TM) 72xx (Knight's Landing) processors, and using the…

分布式、并行与集群计算 · 计算机科学 2017-11-15 Peter Boyle , Michael Chuvelev , Guido Cossu , Christopher Kelly , Christoph Lehner , Lawrence Meadows

In this paper, a reduced-complexity cross-domain iterative detection for orthogonal time frequency space (OTFS) modulation is proposed, which exploits channel properties in both time and delay-Doppler domains. Specifically, we first show…

信息论 · 计算机科学 2023-07-04 Mengmeng Liu , Shuangyang Li , Baoming Bai , Giuseppe Caire