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Increasing the Scalability and the Speedup of a Fish School Simulator

Christianne DalfornoContact Information, Diego MostaccioContact Information, Remo SuppiContact Information and Emilio LuqueContact Information

(1)  Computer Architecture and Operating System Department (CAOS), University Autonoma of Barcelona, Barcelona, Spain
Abstract
In this work we present improvements in the speedup and scalability of a distributed fish school simulator. The results were achieved using a new communication strategy for logical processes (LPs) and changing the algorithm of neighbors’ selection that is applied to every fish in each simulation step. In the proposed approach each sender process anticipates future neighbors LP’s data needs. The new proposed strategy reduces communication time by limiting the amount of messages exchanged among LPs. The new neighbors’ selection algorithm was developed with the aim of avoiding unnecessary work. Diminishing the instructions executed by each fish being simulated in each simulation step caused a great reduction in the simulation time.

Contact Information Christianne Dalforno
Email: chris@caos.uab.es

Contact Information Diego Mostaccio
Email: diego.mostaccio@caos.uab.es

Contact Information Remo Suppi
Email: remo.suppi@uab.es

Contact Information Emilio Luque
Email: emilio.luque@uab.es
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