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This paper presents a methodology for integrating machine learning techniques into metaheuristics for solving combinatorial optimization problems. Namely, we propose a general machine learning framework for neighbor generation in…

Optimization and Control · Mathematics 2022-12-23 Defeng Liu , Vincent Perreault , Alain Hertz , Andrea Lodi

Combinatorial branch and bound searches are a common technique for solving global optimisation and decision problems. Their performance often depends on good search order heuristics, refined over decades of algorithms research. Parallel…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-11-28 Blair Archibald , Patrick Maier , Ciaran McCreesh , Rob Stewart , Phil Trinder

Prevailing LLM serving engines employ expert parallelism (EP) to implement multi-device inference of massive MoE models. However, the efficiency of expert parallel inference is largely bounded by inter-device communication, as EP embraces…

Machine Learning · Computer Science 2026-03-02 Yan Li , Zhenyu Zhang , Zhengang Wang , Pengfei Chen , Pengfei Zheng

The search for traveltime parameters is a global optimization problem. Several metaheuristics have been proposed to locate the global optima to compute the least amount of their objective functions. However, the theoretical limitations…

Geophysics · Physics 2023-04-25 José Ribeiro , Nicholas Okita , Tiago A. Coimbra , Jorge H. Faccipieri

The increasingly deeper neural networks hinder the democratization of privacy-enhancing distributed learning, such as federated learning (FL), to resource-constrained devices. To overcome this challenge, in this paper, we advocate the…

Machine Learning · Computer Science 2024-01-25 Zheng Lin , Guangyu Zhu , Yiqin Deng , Xianhao Chen , Yue Gao , Kaibin Huang , Yuguang Fang

The Reeb graph of a scalar function defined on a domain gives a topologically meaningful summary of that domain. Reeb graphs have been shown in the past decade to be of great importance in geometric processing, image processing, computer…

Computational Geometry · Computer Science 2020-10-13 Mustafa Hajij , Paul Rosen

We explore the use of the Cell Broadband Engine (Cell/BE for short) for combinatorial optimization applications: we present a parallel version of a constraint-based local search algorithm that has been implemented on a multiprocessor…

Artificial Intelligence · Computer Science 2009-10-08 Salvator Abreu , Daniel Diaz , Philippe Codognet

As a broadly applied technique in numerous optimization problems, recently, local search has been employed to solve Pseudo-Boolean Optimization (PBO) problem. A representative local search solver for PBO is LSPBO. In this paper, firstly, we…

Artificial Intelligence · Computer Science 2024-08-01 Zhihan Chen , Peng Lin , Hao Hu , Shaowei Cai

Recent advancements in solving large-scale traveling salesman problems (TSP) utilize the heatmap-guided Monte Carlo tree search (MCTS) paradigm, where machine learning (ML) models generate heatmaps, indicating the probability distribution…

Artificial Intelligence · Computer Science 2024-06-07 Yifan Xia , Xianliang Yang , Zichuan Liu , Zhihao Liu , Lei Song , Jiang Bian

This paper presents a novel and efficient heuristic framework for approximating the solutions to the multiple traveling salesmen problem (m-TSP) and other variants on the TSP. The approach adopted in this paper is an extension of the…

Optimization and Control · Mathematics 2016-04-15 Mayank Baranwal , Brian Roehl , Srinivasa M. Salapaka

The Traveling Salesman Problem (often called TSP) is a classic algorithmic problem in the field of computer science and operations research. It is an NP-Hard problem focused on optimization. TSP has several applications even in its purest…

Data Structures and Algorithms · Computer Science 2022-05-31 Amey Gohil , Manan Tayal , Tezan Sahu , Vyankatesh Sawalpurkar

Large Language Models (LLMs) often struggle with maintaining coherent multi-step reasoning traces, particularly in tasks that require a structured logical flow. This work introduces a quantum-inspired approach to address the challenge by…

Artificial Intelligence · Computer Science 2025-09-25 Venkat Margapuri , Garik Kazanjian , Naren Kosaraju

Most Probable Explanation (MPE) inference in Probabilistic Graphical Models (PGMs) is a fundamental yet computationally challenging problem arising in domains such as diagnosis, planning, and structured prediction. In many practical…

Artificial Intelligence · Computer Science 2026-02-03 Brij Malhotra , Shivvrat Arya , Tahrima Rahman , Vibhav Giridhar Gogate

Recent work showed that compiling functional programs to use dense, serialized memory representations for recursive algebraic datatypes can yield significant constant-factor speedups for sequential programs. But serializing data in a…

Programming Languages · Computer Science 2021-07-02 Chaitanya Koparkar , Mike Rainey , Michael Vollmer , Milind Kulkarni , Ryan R. Newton

Multi-behavior recommendation algorithms aim to leverage the multiplex interactions between users and items to learn users' latent preferences. Recent multi-behavior recommendation frameworks contain two steps: fusion and prediction. In the…

Information Retrieval · Computer Science 2023-08-10 Chang Meng , Chenhao Zhai , Yu Yang , Hengyu Zhang , Xiu Li

Score-based algorithms that learn the structure of Bayesian networks can be used for both exact and approximate solutions. While approximate learning scales better with the number of variables, it can be computationally expensive in the…

Machine Learning · Computer Science 2022-02-22 Zhigao Guo , Anthony C. Constantinou

Anytime search algorithms are useful for planning problems where a solution is desired under a limited time budget. Anytime algorithms first aim to provide a feasible solution quickly and then attempt to improve it until the time budget…

Artificial Intelligence · Computer Science 2023-05-09 Hanlan Yang , Shohin Mukherjee , Maxim Likhachev

With the development of fast and massively parallel evaluations in many domains, Quality-Diversity (QD) algorithms, that already proved promising in a large range of applications, have seen their potential multiplied. However, we have yet…

Neural and Evolutionary Computing · Computer Science 2024-04-15 Manon Flageat , Bryan Lim , Antoine Cully

Model parallelism has become a necessity for training modern large-scale deep language models. In this work, we identify a new and orthogonal dimension from existing model parallel approaches: it is possible to perform pipeline parallelism…

Machine Learning · Computer Science 2021-09-29 Zhuohan Li , Siyuan Zhuang , Shiyuan Guo , Danyang Zhuo , Hao Zhang , Dawn Song , Ion Stoica

Processing moving object trajectories arises in many application domains and has been addressed by practitioners in the spatiotemporal database and Geographical Information System communities. In this work, we focus on a trajectory…

Databases · Computer Science 2014-09-16 Michael G. Gowanlock , Henri Casanova