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Low-rank and sparse composite approximation is a natural idea to compress Large Language Models (LLMs). However, such an idea faces two primary challenges that adversely affect the performance of existing methods. The first challenge…

机器学习 · 计算机科学 2026-02-27 Changhai Zhou , Qian Qiao , Yuhua Zhou , Yuxin Wu , Shichao Weng , Weizhong Zhang , Cheng Jin

The matrix low-rank approximation problem with additional convex constraints can find many applications and has been extensively studied before. However, this problem is shown to be nonconvex and NP-hard; most of the existing solutions are…

数值分析 · 计算机科学 2015-12-08 Ying Zhang

Alternating Direction Method of Multipliers (ADMM) has been used successfully in many conventional machine learning applications and is considered to be a useful alternative to Stochastic Gradient Descent (SGD) as a deep learning optimizer.…

最优化与控制 · 数学 2021-07-07 Junxiang Wang , Fuxun Yu , Xiang Chen , Liang Zhao

This article applies low-cost singular value decomposition (lcSVD) for the first time, to the authors knowledge, on combustion reactive flow databases. The lcSVD algorithm is a novel approach to SVD, suitable for calculating high-resolution…

流体动力学 · 物理学 2025-04-01 Prajith Pillai , Ashton Hetherington , Laura Saavedra Sago , Soledad Le Clainche

We address the reduction to compact band forms, via unitary similarity transformations, for the solution of symmetric eigenvalue problems and the computation of the singular value decomposition (SVD). Concretely, in the first case we…

To deploy LLMs on resource-contained platforms such as mobile robots and smartphones, non-transformers LLMs have achieved major breakthroughs. Recently, a novel RNN-based LLM family, Repentance Weighted Key Value (RWKV) has shown strong…

机器学习 · 计算机科学 2025-10-29 Wonkyo Choe , Yangfeng Ji , Felix Xiaozhu Lin

Despite the impressive performance of LLMs, their widespread adoption faces challenges due to substantial computational and memory requirements during inference. Recent advancements in model compression and system-level optimization methods…

机器学习 · 计算机科学 2024-04-25 Arnav Chavan , Raghav Magazine , Shubham Kushwaha , Mérouane Debbah , Deepak Gupta

The semidefinite programming (SDP) relaxation has proven to be extremely strong for many hard discrete optimization problems. This is in particular true for the quadratic assignment problem (QAP), arguably one of the hardest NP-hard…

最优化与控制 · 数学 2015-12-18 Danilo Elias Oliveira , Henry Wolkowicz , Yangyang Xu

Singular value decomposition (SVD) has a crucial role in model order reduction. It is often utilized in the offline stage to compute basis functions that project the high-dimensional nonlinear problem into a low-dimensionsl model which is,…

数值分析 · 数学 2016-11-09 Alessandro Alla , J. Nathan Kutz

Over the past decade, various matrix completion algorithms have been developed. Thresholded singular value decomposition (SVD) is a popular technique in implementing many of them. A sizable number of studies have shown its theoretical and…

统计方法学 · 统计学 2016-05-10 Juhee Cho , Donggyu Kim , Karl Rohe

Large Language Models (LLMs) have exhibited remarkable proficiency across a wide array of NLP tasks. However, the escalation in model size also engenders substantial deployment costs. While few efforts have explored model pruning techniques…

计算与语言 · 计算机科学 2024-05-13 Nan Zhang , Yanchi Liu , Xujiang Zhao , Wei Cheng , Runxue Bao , Rui Zhang , Prasenjit Mitra , Haifeng Chen

Decomposing weight matrices into quantization and low-rank components ($\mathbf{W} \approx \mathbf{Q} + \mathbf{L}\mathbf{R}$) is a widely used technique for compressing large language models (LLMs). Existing joint optimization methods…

机器学习 · 计算机科学 2025-06-04 Yoonjun Cho , Soeun Kim , Dongjae Jeon , Kyelim Lee , Beomsoo Lee , Albert No

In this work, combined calibration and DoA estimation is approached as an extension of the formulation for the Single Measurement Vector (SMV) model of self-calibration to the Multiple Measurement Model (MMV) case. By taking advantage of…

信号处理 · 电气工程与系统科学 2017-12-19 Cheng-Yu Hung , Mostafa Kaveh

This article introduces a novel methodology that integrates singular value decomposition (SVD) with a shallow linear neural network for forecasting high resolution fluid mechanics data. The method, termed LC-SVD-DLinear, combines a low-cost…

流体动力学 · 物理学 2024-11-27 Ashton Hetherington , Javier López Leonés , Soledad Le Clainche

This work addresses weight optimization problem for fully-connected feed-forward neural networks. Unlike existing approaches that are based on back-propagation (BP) and chain rule gradient-based optimization (which implies iterative…

机器学习 · 计算机科学 2024-06-18 Slavisa Tomic , João Pedro Matos-Carvalho , Marko Beko

The emerging Learned Compression (LC) replaces the traditional codec modules with Deep Neural Networks (DNN), which are trained end-to-end for rate-distortion performance. This approach is considered as the future of image/video…

图像与视频处理 · 电气工程与系统科学 2024-07-08 Farhad Pakdaman , Moncef Gabbouj

The Singular Value Decomposition (SVD) is one of the most important matrix factorizations, enjoying a wide variety of applications across numerous application domains. In statistics and data analysis, the common applications of SVD such as…

数学软件 · 计算机科学 2020-09-03 Drew Schmidt

In a Jacobi--Davidson (JD) type method for singular value decomposition (SVD) problems, called JDSVD, a large symmetric and generally indefinite correction equation is solved iteratively at each outer iteration, which constitutes the inner…

数值分析 · 数学 2026-02-17 Jinzhi Huang , Zhongxiao Jia

Learning a dynamical system from input/output data is a fundamental task in the control design pipeline. In the partially observed setting there are two components to identification: parameter estimation to learn the Markov parameters, and…

最优化与控制 · 数学 2021-09-08 Han Wang , James Anderson

Deep learning models have achieved tremendous success in most of the industries in recent years. The evolution of these models has also led to an increase in the model size and energy requirement, making it difficult to deploy in production…

机器学习 · 计算机科学 2024-07-24 Aayush Saxena , Arit Kumar Bishwas , Ayush Ashok Mishra , Ryan Armstrong