What is an island model in Genetic Algorithms?

Updated May 16, 2026

Short answer

An island model runs multiple GA populations in parallel with occasional migration.

Deep explanation

In island GA, multiple subpopulations evolve independently. Periodically, individuals migrate between islands. This improves diversity and avoids premature convergence while enabling parallel computation.

Real-world example

Distributed optimization in cloud computing systems.

Common mistakes

  • Migrating too frequently causing homogenization.

Follow-up questions

  • What is migration policy?
  • Why use island models?

More Genetic Algorithms interview questions

View all →