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In this paper, we consider an approximation method, and a novel general analysis, for second-order elliptic differential equations with heterogeneous multiscale coefficients. We obtain convergence of the Generalized Multi-scale Finite…

数值分析 · 数学 2024-12-20 Eduardo Abreu , Ciro Diaz , Juan Galvis

The use of nonlinear PDEs has led to significant advancements in various fields, such as physics, biology, ecology, and quantum mechanics. However, finding multiple solutions for nonlinear PDEs can be a challenging task, especially when…

数值分析 · 数学 2025-04-11 Wenrui Hao , Sun Lee , Young Ju Lee

We consider the problem of evaluating arbitrary multivariate polynomials over a massive dataset containing multiple inputs, on a distributed computing system with a master node and multiple worker nodes. Generalized Lagrange Coded Computing…

信息论 · 计算机科学 2024-11-07 Jinbao Zhu , Hengxuan Tang , Songze Li , Yijia Chang

Probabilistic graphical models (PGMs) serve as a powerful framework for modeling complex systems with uncertainty and extracting valuable insights from data. However, users face challenges when applying PGMs to their problems in terms of…

机器学习 · 计算机科学 2024-05-29 Jiantong Jiang , Zeyi Wen , Peiyu Yang , Atif Mansoor , Ajmal Mian

Robustness is a critical factor for reliable code generation by large language models, yet most evaluations focus on correctness and overlook key issues such as missing input validation and inadequate error handling. In this work, we…

软件工程 · 计算机科学 2025-09-24 Zike Li , Mingwei Liu , Anji Li , Kaifeng He , Yanlin Wang , Xin Peng , Zibin Zheng

Emerging deep learning workloads urgently need fast general matrix multiplication (GEMM). To meet such demand, one of the critical features of machine-learning-specific accelerators such as NVIDIA Tensor Cores, AMD Matrix Cores, and Google…

分布式、并行与集群计算 · 计算机科学 2023-11-13 Bo Fang , Xinyi Li , Harvey Dam , Cheng Tan , Siva Kumar Sastry Hari , Timothy Tsai , Ignacio Laguna , Dingwen Tao , Ganesh Gopalakrishnan , Prashant Nair , Kevin Barker , Ang Li

The analysis of complex nonlinear systems is often carried out using simpler piecewise linear representations of them. A principled and practical technique is proposed to linearize and evaluate arbitrary continuous nonlinear functions using…

最优化与控制 · 数学 2017-11-10 Guillermo Gallego , Daniel Berjón , Narciso García

In this paper, we propose a general approach called Generalized Multiscale Finite Element Method (GMsFEM) for performing multiscale simulations for problems without scale separation over a complex input space. As in multiscale finite…

数值分析 · 数学 2015-06-12 Yalchin Efendiev , Juan Galvis , Thomas Y. Hou

Lagrange coded computation (LCC) is essential to solving problems about matrix polynomials in a coded distributed fashion; nevertheless, it can only solve the problems that are representable as matrix polynomials. In this paper, we propose…

Deploying new supercomputers requires testing and evaluation via application codes. Portable, user-friendly tools enable evaluation, and the Multicomponent Flow Code (MFC), a computational fluid dynamics (CFD) code, addresses this need. MFC…

分布式、并行与集群计算 · 计算机科学 2025-11-19 Benjamin Wilfong , Anand Radhakrishnan , Henry A. Le Berre , Tanush Prathi , Stephen Abbott , Spencer H. Bryngelson

This paper investigates the theoretical analysis of intrinsic message passing decoding for generalized product codes (GPCs) with irregular degree distributions, a generalization of product codes that allows every code bit to be protected by…

信息论 · 计算机科学 2024-05-07 Sisi Miao , Jonathan Mandelbaum , Lukas Rapp , Holger Jäkel , Laurent Schmalen

The development of the mlpack C++ machine learning library (http://www.mlpack.org/) has required the design and implementation of a flexible, robust optimization system that is able to solve the types of arbitrary optimization problems that…

数学软件 · 计算机科学 2017-11-20 Ryan R. Curtin , Shikhar Bhardwaj , Marcus Edel , Yannis Mentekidis

This paper introduces a numerical method to enclose the global minimum of a nonlinear function subject to simple bounds on the variables. Using interval analysis, coupled with the computational power and architecture of graphics processing…

数值分析 · 数学 2026-04-15 Guanglu Zhang , Qihang Shan , Jonathan Cagan

Context: Software performance is a critical non-functional requirement, appearing in many fields such as mission critical applications, financial, and real time systems. In this work we focused on early detection of performance bugs; our…

软件工程 · 计算机科学 2017-02-28 Sokratis Tsakiltsidis , Andriy Miranskyy , Elie Mazzawi

Decompilers are fundamental tools for critical security tasks, from vulnerability discovery to malware analysis, yet their evaluation remains fragmented. Existing approaches primarily focus on syntactic correctness through synthetic…

软件工程 · 计算机科学 2025-05-19 Zeyu Gao , Yuxin Cui , Hao Wang , Siliang Qin , Yuanda Wang , Bolun Zhang , Chao Zhang

We present Optimization Engine (OpEn): an open-source code generation tool for real-time embedded nonconvex optimization, which implements a novel numerical method. OpEn combines the proximal averaged Newton-type method for optimal control…

最优化与控制 · 数学 2020-03-03 Pantelis Sopasakis , Emil Fresk , Panagiotis Patrinos

Recent interest in building foundation models for KGs has highlighted a fundamental challenge: knowledge-graph data is relatively scarce. The best-known KGs are primarily human-labeled, created by pattern-matching, or extracted using early…

计算与语言 · 计算机科学 2025-11-07 Belinda Mo , Kyssen Yu , Joshua Kazdan , Joan Cabezas , Proud Mpala , Lisa Yu , Chris Cundy , Charilaos Kanatsoulis , Sanmi Koyejo

Automatic API method recommendation is an essential task of code intelligence, which aims to suggest suitable APIs for programming queries. Existing approaches can be categorized into two primary groups: retrieval-based and learning-based…

软件工程 · 计算机科学 2024-01-30 Yujia Chen , Cuiyun Gao , Muyijie Zhu , Qing Liao , Yong Wang , Guoai Xu

Modelica is a widely adopted language for simulating complex physical systems, yet effective model creation and optimization require substantial domain expertise. Although large language models (LLMs) have demonstrated promising…

软件工程 · 计算机科学 2025-03-25 Jiahui Xiang , Tong Ye , Peiyu Liu , Yinan Zhang , Wenhai Wang

In this work, we tackle the problems of efficiency and scalability for predictive coding networks (PCNs) in machine learning. To do so, we propose a library, called PCX, that focuses on performance and simplicity, and use it to implement a…