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In \emph{Wang et al., A Shifted Laplace Rational Filter for Large-Scale Eigenvalue Problems}, the SLRF method was proposed to compute all eigenvalues of a symmetric definite generalized eigenvalue problem lying in an interval on the real…

Numerical Analysis · Mathematics 2025-10-21 Biyi Wang , Karl Meerbergen , Raf Vandebril , Hengbin An , Zeyao Mo

This paper presents a multilevel framework for inertial and inexact proximal algorithms, that encompasses multilevel versions of classical algorithms such as forward-backward and FISTA. The methods are supported by strong theoretical…

Optimization and Control · Mathematics 2024-04-03 Guillaume Lauga , Elisa Riccietti , Nelly Pustelnik , Paulo Gonçalves

We present the Federated Inference Resource Scheduling Toolkit (FIRST), a framework enabling Inference-as-a-Service across distributed High-Performance Computing (HPC) clusters. FIRST provides cloud-like access to diverse AI models, like…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-12 Aditya Tanikanti , Benoit Côté , Yanfei Guo , Le Chen , Nickolaus Saint , Ryan Chard , Ken Raffenetti , Rajeev Thakur , Thomas Uram , Ian Foster , Michael E. Papka , Venkatram Vishwanath

We report an efficient program for computing the eigenvalues and symmetry-adapted eigenvectors of very large quaternionic (or Hermitian skew-Hamiltonian) matrices, using which structure-preserving diagonalization of matrices of dimension N…

Chemical Physics · Physics 2017-03-20 Toru Shiozaki

The history of research on eigenvalue problems is rich with many outstanding contributions. Nonetheless, the rapidly increasing size of data sets requires new algorithms for old problems in the context of extremely large matrix dimensions.…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-12-17 Hesam T. Dashti , Alireza F. Siahpirani , Liya Wang , Mary Kloc , Amir H. Assadi

We present a variational algorithm for fault tolerant quantum computing to solve a system of linear equations which directly maximises the parameters of the target fidelity. This so-called measurement test algorithm can be applied to any…

Quantum Physics · Physics 2026-04-30 Alain Giresse Tene , Thomas Konrad

In this paper, we first discuss the optimal convergence of the adaptive finite element methods for non-self-adjoint eigenvalue problems. We present new theoretical error estimators and computable error estimators for multiple and clustered…

Numerical Analysis · Mathematics 2026-03-16 Shixi Wang , Hai Bi , Yidu Yang

This article introduces a new fast direct solver for linear systems arising out of wide range of applications, integral equations, multivariate statistics, radial basis interpolation, etc., to name a few. \emph{The highlight of this new…

Numerical Analysis · Mathematics 2014-07-08 Sivaram Ambikasaran , Eric Darve

The increasing complexity and diversity of hardware accelerators in modern computing systems demand flexible, low-overhead program analysis tools. We present PASTA, a low-overhead and modular Program AnalysiS Tool Framework for…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-26 Mao Lin , Hyeran Jeon , Keren Zhou

The inference of ML models composed of diverse structures, types, and sizes boils down to the execution of different dataflows (i.e. different tiling, ordering, parallelism, and shapes). Using the optimal dataflow for every layer of…

Hardware Architecture · Computer Science 2026-04-07 Jianming Tong , Anirudh Itagi , Prasanth Chatarasi , Tushar Krishna

While existing quantum hardware resources have limited availability and reliability, there is a growing demand for exploring and verifying quantum algorithms. Efficient classical simulators for high-performance quantum simulation are…

Quantum Physics · Physics 2025-03-26 Yuncheng Lu , Shuang Liang , Hongxiang Fan , Ce Guo , Wayne Luk , Paul H. J. Kelly

The rising popularity of the microservice architectural style has led to a growing demand for automated testing approaches tailored to these systems. EvoMaster is a state-of-the-art tool that uses Evolutionary Algorithms (EAs) to…

Software Engineering · Computer Science 2025-01-31 Clinton Cao , Annibale Panichella , Sicco Verwer

Modern retrieval systems increasingly require integrating approximate nearest neighbor search (ANNS) with complex attribute filtering to handle hybrid queries in applications such as recommendation systems and retrieval-augmented generation…

Information Retrieval · Computer Science 2026-05-11 Junjie Song , Yu Liu , Guoyu Hu , Zhongle Xie , Ming Yang , Beng Chin Ooi , Ke Zhou

We consider fourth order singularly perturbed eigenvalue problems in one-dimension and the approximation of their solution by the $h$ version of the Finite Element Method (FEM). In particular, we use piecewise Hermite polynomials of degree…

Numerical Analysis · Mathematics 2021-07-15 Hans-Görg Roos , Despo Savvidou , Christos Xenophontos

Leveraging Transformer attention has led to great advancements in HDR deghosting. However, the intricate nature of self-attention introduces practical challenges, as existing state-of-the-art methods often demand high-end GPUs or exhibit…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Xiaoning Liu , Ao Li , Zongwei Wu , Yapeng Du , Le Zhang , Yulun Zhang , Radu Timofte , Ce Zhu

The Metaverse, a burgeoning collective virtual space merging augmented reality and persistent virtual worlds, necessitates advanced artificial intelligence (AI) and communication technologies to support immersive and interactive…

Machine Learning · Computer Science 2024-08-27 Yahao Ding , Wen Shang , Minrui Xu , Zhaohui Yang , Ye Hu , Dusit Niyato , Mohammad Shikh-Bahaei

We introduce and analyze different strategies for the parallel-in-time integration method PFASST to recover from hard faults and subsequent data loss. Since PFASST stores solutions at multiple time steps on different processors, information…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-03-21 Robert Speck , Daniel Ruprecht

This paper describes a set of rational filtering algorithms to compute a few eigenvalues (and associated eigenvectors) of non-Hermitian matrix pencils. Our interest lies in computing eigenvalues located inside a given disk, and the proposed…

Numerical Analysis · Mathematics 2021-03-10 Vassilis Kalantzis , Yuanzhe Xi , Lior Horesh

In this paper, we first establish the convergence criteria of the residual iteration method for solving quadratic eigenvalue problem- s. We analyze the impact of shift point and the subspace expansion on the convergence of this method. In…

Numerical Analysis · Mathematics 2017-01-12 Liu Yang , Yuquan Sun , Fanghui Gong

Fine-tuning pre-trained Vision Transformers (ViTs) has showcased significant promise in enhancing visual recognition tasks. Yet, the demand for individualized and comprehensive fine-tuning processes for each task entails substantial…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Weifeng Lin , Ziheng Wu , Wentao Yang , Mingxin Huang , Jun Huang , Lianwen Jin