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Accuracy, variationality, and convergence underpin the reliability of modern electronic structure methods, yet definitive benchmarks in the relativistic regime remain elusive due to the absence of numerically exact full configuration…

Chemical Physics · Physics 2026-04-03 Shiv Upadhyay , Agam Shayit , Tianyuan Zhang , Stephen H. Yuwono , A. Eugene DePrince , Xiaosong Li

Symbiotic Backscatter Communication (SBC) has emerged as a spectrum-efficient and low-power communication technology, where backscatter devices (BDs) modulate and reflect incident radio frequency (RF) signals from primary transmitters…

Information Theory · Computer Science 2026-01-29 Yinghui Ye , Shuang Lu , Liqin Shi , Xiaoli Chu , Sumei Sun

Quantum-selected configuration interaction (QSCI) utilizes an input quantum state on a quantum device to select important bases (electron configurations in quantum chemistry) that define a subspace in which to diagonalize a target…

Quantum Physics · Physics 2025-10-22 Mathias Mikkelsen , Yuya O. Nakagawa

Advancements in clinical Brain-Computer Interfaces (BCIs) depend on precise and reliable signal interpretation. However, the high-dimensional and noisy nature of data captured from both implanted and non-implanted BCIs poses significant…

Neurons and Cognition · Quantitative Biology 2026-05-20 Elena C Offenberg , Dirk Keller , Mariska J Vansteensel , Zachary V Freudenburg , Nick F Ramsey , Julia Berezutskaya

Approximate full configuration interaction (FCI) calculations have recently become tractable for systems of unforeseen size thanks to stochastic and adaptive approximations to the exponentially scaling FCI problem. The result of an FCI…

Strongly Correlated Electrons · Physics 2017-10-25 Susi Lehtola , Norm M. Tubman , K. Birgitta Whaley , Martin Head-Gordon

Simulation-based Inference (SBI) is a widely used set of algorithms to learn the parameters of complex scientific simulation models. While primarily run on CPUs in HPC clusters, these algorithms have been shown to scale in performance when…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-06-30 Sourabh Kulkarni , Csaba Andras Moritz

Mini-batch training is a cornerstone of modern deep learning, offering computational efficiency and scalability for training complex architectures. However, existing deep subspace clustering (DSC) methods, which typically combine an…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yuxuan Jiang , Chenwei Yu , Zhi Lin , Xiaolan Liu

Tensor decomposition (TD) is an important method for extracting latent information from high-dimensional (multi-modal) sparse data. This study presents a novel framework for accelerating fundamental TD operations on massively parallel GPU…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-06-29 Andy Nguyen , Ahmed E. Helal , Fabio Checconi , Jan Laukemann , Jesmin Jahan Tithi , Yongseok Soh , Teresa Ranadive , Fabrizio Petrini , Jee W. Choi

Tensor networks have in recent years emerged as the powerful tools for solving the large-scale optimization problems. One of the most popular tensor network is tensor train (TT) decomposition that acts as the building blocks for the…

Numerical Analysis · Computer Science 2016-06-20 Qibin Zhao , Guoxu Zhou , Shengli Xie , Liqing Zhang , Andrzej Cichocki

This study presents a framework designed to mitigate direct-link interference (DLI) and inter-backscatter device interference (IBDI) in multi-backscatter orthogonal frequency division multiplexing (OFDM)-based symbiotic radio (SR) systems.…

Signal Processing · Electrical Eng. & Systems 2025-04-10 Fikiri Salum Uledi , Muhammad Bilal Janjua , Çagrı Özgenç Etemoglu , Hüseyin Arslan

Brain-computer interfaces (BCIs), is ways for electronic devices to communicate directly with the brain. For most medical-type brain-computer interface tasks, the activity of multiple units of neurons or local field potentials is sufficient…

Machine Learning · Computer Science 2022-05-25 Lang Qian , Shengjie Zheng , Chunshan Deng , Cheng Yang , Xiaojian Li

To capture high-speed videos using a two-dimensional detector, video snapshot compressive imaging (SCI) is a promising system, where the video frames are coded by different masks and then compressed to a snapshot measurement. Following…

Image and Video Processing · Electrical Eng. & Systems 2021-03-03 Zhengjue Wang , Hao Zhang , Ziheng Cheng , Bo Chen , Xin Yuan

Biclustering is an essential unsupervised machine learning technique for simultaneously clustering rows and columns of a data matrix, with widespread applications in genomics, transcriptomics, and other high-dimensional omics data. Despite…

Machine Learning · Statistics 2026-01-06 Jiakun Jiang , Dewei Xiang , Chenliang Gu , Wei Liu , Binhuan Wang

String barcoding is a recently introduced technique for genomic-based identification of microorganisms. In this paper we describe the engineering of highly scalable algorithms for robust string barcoding. Our methods enable distinguisher…

Data Structures and Algorithms · Computer Science 2016-08-31 Bhaskar DasGupta , Kishori M. Konwar , Ion I. Mandoiu , Alex A. Shvartsman

Gradient compression (GC) is a promising approach to addressing the communication bottleneck in distributed deep learning (DDL). However, it is challenging to find the optimal compression strategy for applying GC to DDL because of the…

Machine Learning · Computer Science 2022-06-08 Zhuang Wang , Haibin Lin , Yibo Zhu , T. S. Eugene Ng

This paper presents performance results comparing MPI-based implementations of the popular Conjugate Gradient (CG) method and several of its communication hiding (or 'pipelined') variants. Pipelined CG methods are designed to efficiently…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-05-17 Siegfried Cools , Jeffrey Cornelis , Pieter Ghysels , Wim Vanroose

The common exact diagonalization-based techniques to solving tight-binding models suffer from O(N^2) and O(N^3) scaling with respect to model size in memory and CPU time, hindering their applications in large tight-binding models. On the…

Computational Physics · Physics 2026-01-13 Yunhai Li , Zewen Wu , Miao Zhang , Junyi Wang , Shengjun Yuan

Tensor B-spline methods are a high-performance alternative to solve partial differential equations (PDEs). This paper gives an overview on the principles of Tensor B-spline methodology, shows their use and analyzes their performance in…

Numerical Analysis · Computer Science 2019-04-08 Dmytro Shulga , Oleksii Morozov , Volker Roth , Felix Friedrich , Patrick Hunziker

We propose Selective Multiple Power Iterations (SMPI), a new algorithm to address the important Tensor PCA problem that consists in recovering a spike $\bf{v_0}^{\otimes k}$ corrupted by a Gaussian noise tensor $\bf{Z} \in…

Machine Learning · Computer Science 2021-12-24 Mohamed Ouerfelli , Mohamed Tamaazousti , Vincent Rivasseau

We present a parallel implementation of a direct solver for the Poisson's equation on extreme-scale supercomputers with accelerators. We introduce a chunked-pencil decomposition as the domain-decomposition strategy to distribute work among…

Computational Physics · Physics 2020-07-15 Jaber J. Hasbestan , Inanc Senocak