EURO 2025 Leeds
Abstract Submission

873. Parallel Designs for Scatter Search

Invited abstract in session TB-15: Heuristic Search 2, stream Combinatorial Optimization.

Tuesday, 10:30-12:00
Room: Esther Simpson 1.08

Authors (first author is the speaker)

1. Sergio Pérez-Peló
Informática y Estadística, Universidad Rey Juan Carlos
2. Alejandra Casado
Informática y Estadística, Universidad Rey Juan Carlos
3. Jesus Sanchez-Oro
Universidad Rey Juan Carlos
4. Abraham Duarte
Computer Sciences, Universidad Rey Juan Carlos
5. Manuel Laguna
Leeds School of Business, University of Colorado Boulder

Abstract

Scatter Search (SS) is a well-established metaheuristic for tackling complex combinatorial optimization problems, known for its versatility and ease of adaptation. While several SS parallelization schemes have been proposed for specific problems, a general parallel framework remains unexplored. In this work, we introduce three parallel designs for SS, each addressing a distinct goal: reducing computational time, enhancing search exploration, and balancing intensification and diversification. Our experimental evaluation, based on benchmark problems where the state-of-the-art relies on sequential SS, provides insights into the impact of parallelization on solution speed and quality. Additionally, our publicly available code is designed for easy adaptation to new optimization problems. The results highlight promising directions for establishing a robust general framework for SS parallelization.

Keywords

Status: accepted


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