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Fully homomorphic encryption (FHE) enables secure computation on encrypted data, mitigating privacy concerns in cloud and edge environments. However, due to its high compute and memory demands, extensive acceleration research has been…

Cryptography and Security · Computer Science 2026-03-18 Wonseok Choi , Hyunah Yu , Jongmin Kim , Hyesung Ji , Jaiyoung Park , Jung Ho Ahn

Gauss-Seidel (GS) relaxation is often employed as a preconditioner for a Krylov solver or as a smoother for Algebraic Multigrid (AMG). However, the requisite sparse triangular solve is difficult to parallelize on many-core architectures…

This paper presents the design and evaluation of a GPU-accelerated inference pipeline for transformer models using NVIDIA TensorRT with mixed-precision optimization. We evaluate BERT-base (110M parameters) and GPT-2 (124M parameters) across…

Machine Learning · Computer Science 2026-03-31 Soutrik Mukherjee , Sangwhan Cha

This manuscript presents GPU optimizations for the 2D Hierarchical Poincar\'e-Steklov (HPS) discretization scheme. HPS is a multi-domain spectral collocation method that combines high-order discretizations with direct solvers to accurately…

Numerical Analysis · Mathematics 2025-04-22 Anna Yesypenko , Per-Gunnar Martinsson

Lossy compression, widely used by scientists to reduce data from simulations, experiments, and observations, can distort features of interest even under bounded error. Such distortions may compromise downstream analyses and lead to…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-06 Yuxiao Li , Mingze Xia , Xin Liang , Bei Wang , Robert Underwood , Sheng Di , Hemant Sharma , Dishant Beniwal , Franck Cappello , Hanqi Guo

Compression aims to reduce the size of an input, while maintaining its relevant properties. For multi-parameter persistent homology, compression is a necessary step in any computational pipeline, since standard constructions lead to large…

Algebraic Topology · Mathematics 2022-08-17 Ulderico Fugacci , Michael Kerber , Alexander Rolle

Substantial Gaussian splatting format point clouds require effective compression. In this paper, we propose Voxel-GS, a simple yet highly effective framework that departs from the complex neural entropy models of prior work, instead…

Multimedia · Computer Science 2025-12-22 Chunyang Fu , Xiangrui Liu , Shiqi Wang , Zhu Li

FPGA technology can offer significantly hi\-gher performance at much lower power consumption than is available from CPUs and GPUs in many computational problems. Unfortunately, programming for FPGA (using ha\-rdware description languages,…

Other Computer Science · Computer Science 2015-10-01 Artur Gramacki , Marek Sawerwain , Jarosław Gramacki

On current computer architectures, GMRES' performance can be limited by its communication cost to generate orthonormal basis vectors of the Krylov subspace. To address this performance bottleneck, its $s$-step variant orthogonalizes a block…

Numerical Analysis · Mathematics 2024-02-26 Ichitaro Yamazaki , Andrew J. Higgins , Erik G. Boman , Daniel B. Szyld

With 3D Gaussian Splatting (3DGS) advancing real-time and high-fidelity rendering for novel view synthesis, storage requirements pose challenges for their widespread adoption. Although various compression techniques have been proposed,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Yihang Chen , Qianyi Wu , Mengyao Li , Weiyao Lin , Mehrtash Harandi , Jianfei Cai

LLMs often struggle with memory-constrained deployment on consumer-grade hardware due to their massive parameter sizes. While existing solutions such as model compression and offloading improve deployment feasibility, they often suffer from…

Machine Learning · Computer Science 2026-05-08 Shen Xu , Xiangwen Zhuge , Zhe Xu , Yingkun Hu , Zheng Yang , Yunhao Liu

Model-based reconstruction plays a key role in compressed sensing (CS) MRI, as it incorporates effective image regularizers to improve the quality of reconstruction. The Plug-and-Play and Regularization-by-Denoising frameworks leverage…

Image and Video Processing · Electrical Eng. & Systems 2026-01-13 Tao Hong , Umberto Villa , Jeffrey A. Fessler

GPU-aware collective communication has become a major bottleneck for modern computing platforms as GPU computing power rapidly rises. A traditional approach is to directly integrate lossy compression into GPU-aware collectives, which can…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-08 Jiajun Huang , Sheng Di , Xiaodong Yu , Yujia Zhai , Jinyang Liu , Yafan Huang , Ken Raffenetti , Hui Zhou , Kai Zhao , Xiaoyi Lu , Zizhong Chen , Franck Cappello , Yanfei Guo , Rajeev Thakur

Weight pruning in deep neural networks (DNNs) can reduce storage and computation cost, but struggles to bring practical speedup to the model inference time. Tensor-cores can significantly boost the throughput of GPUs on dense computation,…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-15 Guyue Huang , Haoran Li , Minghai Qin , Fei Sun , Yufei Ding , Yuan Xie

Multi-view mesh reconstruction remains a core challenge in computer graphics and vision, especially for recovering high-frequency geometry from sparse observations. Recent methods such as 3D Gaussian Splatting (3DGS) and Neural Radiance…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Nandhana Sunil , Abhirami R Iyer , Avirup Mandal

Stencil computation is an important class of scientific applications that can be efficiently executed by graphics processing units (GPUs). Out-of-core approach helps run large scale stencil codes that process data with sizes larger than the…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-09-14 Jingcheng Shen , Yifan Wu , Masao Okita , Fumihiko Ino

The interface to the MUMPS solver was updated in the JOREK MHD code to support Block Low Rank (BLR) compression and an interface to the new PaStiX solver version 6 has been implemented supporting BLR as well. First tests were carried out…

Performance · Computer Science 2019-08-01 Richard Nies , Matthias Hoelzl

This paper presents a single-life reinforcement learning (SLRL) approach to adaptively select the dimension of the Krylov subspace during the generalized minimal residual (GMRES) iteration. GMRES is an iterative algorithm for solving large…

Computational Engineering, Finance, and Science · Computer Science 2025-02-04 Hadi Keramati , Feridun Hamdullahpur

Modern HPC applications produce increasingly large amounts of data, which limits the performance of current extreme-scale systems. Data reduction techniques, such as lossy compression, help to mitigate this issue by decreasing the size of…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-13 Griffin Dube , Jiannan Tian , Sheng Di , Dingwen Tao , Jon Calhoun , Franck Cappello

Residual neural networks are widely used in computer vision tasks. They enable the construction of deeper and more accurate models by mitigating the vanishing gradient problem. Their main innovation is the residual block which allows the…

Hardware Architecture · Computer Science 2023-11-03 Filippo Minnella , Teodoro Urso , Mihai T. Lazarescu , Luciano Lavagno