%T An investigation of several parallel genetic algorithms %A Donald Macfarlane, Ian R. East %E Stephen J. Turner %B OUG\-12: Tools and Techniques for Transputer Applications %X Genetic algorithms (GAs) are important search and optimisation techniques with a wide range of applications. The demand for GAs with fast response times has led to the investigation of parallel implementations. Three parallel GAs are designed, implemented on a transputer network, and compared over several benchmark problems. It is believed that a fine\-grained approach to parallel genetic algorithms is the most promising.