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Computing workflows in heterogeneous multiprocessor systems are frequently modeled as directed acyclic graphs of tasks and data blocks, which represent computational modules and their dependencies in the form of data produced by a task and…

分布式、并行与集群计算 · 计算机科学 2022-06-14 Junwen Ding , Liangcai Song , Siyuan Li , Chen Wu , Ronghua He , Zhouxing Su , Zhipeng Lü

In this paper we consider the problem of identifying intersections between two sets of d-dimensional axis-parallel rectangles. This is a common problem that arises in many agent-based simulation studies, and is of central importance in the…

分布式、并行与集群计算 · 计算机科学 2018-08-08 Moreno Marzolla , Gabriele D'Angelo

Designing efficient and fair algorithms for sharing multiple resources between heterogeneous demands is becoming increasingly important. Applications include compute clusters shared by multi-task jobs and routers equipped with middleboxes…

网络与互联网体系结构 · 计算机科学 2014-10-06 Thomas Bonald , James Roberts

In many distributed learning problems, the heterogeneous loading of computing machines may harm the overall performance of synchronous strategies. In this paper, we propose an effective asynchronous distributed framework for the…

机器学习 · 统计学 2017-05-23 Bikash Joshi , Franck Iutzeler , Massih-Reza Amini

This paper introduces a novel approach to automatic ahead-of-time (AOT) parallelization and optimization of sequential Python programs for execution on distributed heterogeneous platforms. Our approach enables AOT source-to-source…

分布式、并行与集群计算 · 计算机科学 2022-03-15 Jun Shirako , Akihiro Hayashi , Sri Raj Paul , Alexey Tumanov , Vivek Sarkar

We consider a recently proposed \emph{supervised distributed computing} paradigm \cite{augustine2025supervised} that extends and refines the standard master-worker paradigm for parallel computations. In this paradigm, there is a supervisor,…

分布式、并行与集群计算 · 计算机科学 2026-05-15 John Augustine , Henning Hillebrandt , Manish Kumar , Christian Scheideler , Julian Werthmann

Marketing is an important mechanism to increase user engagement and improve platform revenue, and heterogeneous causal learning can help develop more effective strategies. Most decision-making problems in marketing can be formulated as…

机器学习 · 计算机科学 2022-12-01 Hao Zhou , Shaoming Li , Guibin Jiang , Jiaqi Zheng , Dong Wang

Access to parallel and distributed computation has enabled researchers and developers to improve algorithms and performance in many applications. Recent research has focused on next generation special purpose systems with multiple kinds of…

机器学习 · 计算机科学 2019-06-11 Tegg Taekyong Sung , Valliappa Chockalingam , Alex Yahja , Bo Ryu

This paper deals with simultaneously fast and in-place algorithms for formulae where the result has to be linearly accumulated: some output variables are also input variables, linked by a linear dependency. Fundamental examples include the…

符号计算 · 计算机科学 2025-11-07 Jean-Guillaume Dumas , Bruno Grenet

As the artificial intelligence community advances into the era of large models with billions of parameters, distributed training and inference have become essential. While various parallelism strategies-data, model, sequence, and…

机器学习 · 计算机科学 2025-03-13 Ruifeng She , Bowen Pang , Kai Li , Zehua Liu , Tao Zhong

Distributed linearly separable computation is a fundamental problem in large-scale distributed systems, requiring the computation of linearly separable functions over different datasets across distributed workers. This paper studies a…

分布式、并行与集群计算 · 计算机科学 2026-01-16 Ziting Zhang , Kai Wan , Minquan Cheng , Shuo Shao , Giuseppe Caire

We present an online parallel portfolio selection algorithm based on the island model commonly used for parallelization of evolutionary algorithms. In our case each of the islands runs a different optimization algorithm. The distributed…

神经与进化计算 · 计算机科学 2018-06-13 Štěpán Balcar , Martin Pilát

Leveraging external knowledge is crucial for achieving high performance in knowledge-intensive tasks, such as question answering. The retrieve-and-read approach is widely adopted for integrating external knowledge into a language model.…

计算与语言 · 计算机科学 2024-06-10 Dongkyu Lee , Chandana Satya Prakash , Jack FitzGerald , Jens Lehmann

We initiate the study of graph algorithms in the streaming setting on massive distributed and parallel systems inspired by practical data processing systems. The objective is to design algorithms that can efficiently process evolving graphs…

数据结构与算法 · 计算机科学 2025-01-20 Artur Czumaj , Gopinath Mishra , Anish Mukherjee

Applications with low data reuse and frequent irregular memory accesses, such as graph or sparse linear algebra workloads, fail to scale well due to memory bottlenecks and poor core utilization. While prior work with prefetching,…

硬件体系结构 · 计算机科学 2023-05-05 Marcelo Orenes-Vera , Esin Tureci , David Wentzlaff , Margaret Martonosi

The efficient computation of Jacobians represents a fundamental challenge in computational science and engineering. Large-scale modular numerical simulation programs can be regarded as sequences of evaluations of in our case differentiable…

数值分析 · 数学 2020-10-13 Uwe Naumann

The 1-product of matrices $S_1 \in \mathbb{R}^{m_1 \times n_1}$ and $S_2 \in \mathbb{R}^{m_2 \times n_2}$ is the matrix in $\mathbb{R}^{(m_1+m_2) \times (n_1n_2)}$ whose columns are the concatenation of each column of $S_1$ with each column…

Many large-scale production networks include thousands types of final products and tens to hundreds thousands types of raw materials and intermediate products. These networks face complicated inventory management decisions, which are often…

最优化与控制 · 数学 2022-01-19 Tan Wan , L. Jeff Hong

Randomized algorithms for very large matrix problems have received a great deal of attention in recent years. Much of this work was motivated by problems in large-scale data analysis, and this work was performed by individuals from many…

数据结构与算法 · 计算机科学 2011-11-16 Michael W. Mahoney

The multiplication of a matrix by its transpose, $A^T A$, appears as an intermediate operation in the solution of a wide set of problems. In this paper, we propose a new cache-oblivious algorithm (ATA) for computing this product, based upon…

分布式、并行与集群计算 · 计算机科学 2024-10-08 Viviana Arrigoni , Filippo Maggioli , Annalisa Massini , Emanuele Rodolà