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Scientific applications have long embraced the MPI as the environment of choice to execute on large distributed systems. The User-Level Failure Mitigation (ULFM) specification extends the MPI standard to address resilience and enable MPI…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-01-27 Aurelien Bouteiller , George Bosilca

We present a shared memory implementation of a parallel algorithm, called delta-stepping, for solving the single source shortest path problem for directed and undirected graphs. In order to reduce synchronization costs we make some…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-02-21 M. Kranjčević , D. Palossi , S. Pintarelli

A parallel direct solution approach based on domain decomposition method (DDM) and directed acyclic graph (DAG) scheduling is outlined. Computations are represented as a sequence of small tasks that operate on domains of DDM or dense matrix…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-02-13 Javad Moshfegh , Dimitrios G. Makris , Marinos N. Vouvakis

Recently, deep learning-based compressive imaging (DCI) has surpassed the conventional compressive imaging in reconstruction quality and faster running time. While multi-scale has shown superior performance over single-scale, research in…

Image and Video Processing · Electrical Eng. & Systems 2020-08-04 Thuong Nguyen Canh , Byeungwoo Jeon

Classical Distributed Model Predictive Control (DiMPC) requires multiple iterations to achieve convergence, leading to high computational and communication burdens. This work focuses on the improvement of an iteration-free distributed MPC…

Optimization and Control · Mathematics 2026-04-03 Parth R. Brahmbhatt , Hari S. Ganesh , Styliani Avraamidou

Deep learning models define the state-of-the-art in Automatic Drum Transcription (ADT), yet their performance is contingent upon large-scale, paired audio-MIDI datasets, which are scarce. Existing workarounds that use synthetic data often…

Sound · Computer Science 2026-01-15 Pierfrancesco Melucci , Paolo Merialdo , Taketo Akama

Modified policy iteration (MPI) is a dynamic programming algorithm that combines elements of policy iteration and value iteration. The convergence of MPI has been well studied in the context of discounted and average-cost MDPs. In this…

Machine Learning · Computer Science 2024-02-16 Yashaswini Murthy , Mehrdad Moharrami , R. Srikant

Recently, records on stereo matching benchmarks are constantly broken by end-to-end disparity networks. However, the domain adaptation ability of these deep models is quite limited. Addressing such problem, we present a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Xiao Song , Guorun Yang , Xinge Zhu , Hui Zhou , Yuexin Ma , Zhe Wang , Jianping Shi

In frequency-division duplex (FDD) massive multiple-input multiple-output (MIMO) systems, the growing number of base station antennas leads to prohibitive feedback overhead for downlink channel state information (CSI). To address this…

Signal Processing · Electrical Eng. & Systems 2024-06-25 Yifan Ma , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Communication protocol security is among the most significant challenges of the Internet of Things (IoT) due to the wide variety of hardware and software technologies involved. Moving target defense (MTD) has been adopted as an innovative…

Cryptography and Security · Computer Science 2021-10-11 Yongsheng Mei , Kailash Gogineni , Tian Lan , Guru Venkataramani

Conflict-free Replicated Data Types (CRDTs) allow optimistic replication in a principled way. Different replicas can proceed independently, being available even under network partitions, and always converging deterministically: replicas…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-10 Paulo Sérgio Almeida

Dataset Condensation (DC) aims to reduce deep neural networks training efforts by synthesizing a small dataset such that it will be as effective as the original large dataset. Conventionally, DC relies on a costly bi-level optimization…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Sahar Rahimi Malakshan , Mohammad Saeed Ebrahimi Saadabadi , Ali Dabouei , Nasser M. Nasrabadi

We introduce a high-performance simulation framework that permits the semi-independent, task-based solution of sets of partial differential equations, typically manifesting as updates to a collection of `patches' in space-time. A hybrid…

Instrumentation and Methods for Astrophysics · Physics 2018-03-21 Å. Nordlund , J. P. Ramsey , A. Popovas , M. Kuffmeier

Replicated data types (RDTs) are data structures that permit concurrent modification of multiple, potentially geo-distributed, replicas without coordination between them. RDTs are designed in such a way that conflicting operations are…

Programming Languages · Computer Science 2022-03-29 Vimala Soundarapandian , Adharsh Kamath , Kartik Nagar , KC Sivaramakrishnan

The Alternating Direction Method of Multipliers (ADMM) and its distributed version have been widely used in machine learning. In the iterations of ADMM, model updates using local private data and model exchanges among agents impose critical…

Machine Learning · Computer Science 2020-08-12 Jiahao Ding , Jingyi Wang , Guannan Liang , Jinbo Bi , Miao Pan

Relay-assisted cooperative wireless communication has been shown to have significant performance gains over the legacy direct transmission scheme. Compared with single relay based cooperation schemes, utilizing multiple relays further…

Networking and Internet Architecture · Computer Science 2015-03-19 Pei Liu , Chun Nie , Thanasis Korakis , Elza Erkip , Shivendra Panwar , Francesco Verde , Anna Scaglione

Metric Differential Privacy (mDP) extends the concept of Differential Privacy (DP) to serve as a new paradigm of data perturbation. It is designed to protect secret data represented in general metric space, such as text data encoded as word…

Artificial Intelligence · Computer Science 2024-05-10 Chenxi Qiu

Deep learning (DL)-based channel state information (CSI) feedback has shown promising potential to improve spectrum efficiency in massive MIMO systems. However, practical DL approaches require a sizeable CSI dataset for each scenario, and…

Information Theory · Computer Science 2023-11-07 Zhenyu Liu , Li Wang , Lianming Xu , Zhi Ding

Accurate and effective discrete image tokenization is crucial for long image sequence processing. However, current methods rigidly compress all content at a fixed rate, ignoring the variable information density of images and leading to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Xiusheng Huang , Xin Jiang , Jun Zhao , Kang Liu , Yequan Wang

Distributed Machine Learning (DML) systems are utilized to enhance the speed of model training in data centers (DCs) and edge nodes. The Parameter Server (PS) communication architecture is commonly employed, but it faces severe long-tail…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-15 Zixuan Chen , Lei Shi , Xuandong Liu , Xin Ai , Sen Liu , Yang Xu
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