Evaluation of a Nearest-Neighbor Load Balancing Strategy for Parallel Molecular Simulations in MPI Environment

Authors:
Angela Di Serio;María B. Ibáñez
Affiliations:
-;-
Venue:
Proceedings of the 9th European PVM/MPI Users' Group Meeting on Recent Advances in Parallel Virtual Machine and Message Passing Interface
Year:
2002

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Abstract

We evaluate the effectiveness of an iterative nearest-neighbor load balancing algorithm: Generalized Dimension Exchange (G.D.E.) method over Molecular Dynamics Simulations.Due to the overhead of the method,the simulation performance improves when the system tolerates some degree of unbalance. We present a method to calibrate the best tolerance level for a simulation running on a homogeneous platform using MPI.