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2010 IEEE 12th International Conference on High Performance Computing and Communications (HPCC)

DOI: 10.1109/hpcc.2010.45

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Parallel Computational Modelling of Inelastic Neutron Scattering in Multi-node and Multi-core Architectures

Proceedings article published in 2010 by Michael T. Garba, Horacio González-Vélez ORCID, Daniel L. Roach
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This paper is available in a repository.

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Abstract

This paper examines the initial parallel implementation of SCATTER, a computationally intensive inelastic neutron scattering routine with polycrystalline averaging capability, for the General Utility Lattice Program (GULP). Of particular importance to structural investigation on the atomic scale, this work identifies the computational features of SCATTER relevant to a parallel implementation and presents initial results from performance tests on multi-core and multi-node environments. Our initial approach exhibits near-linear scalability up to 256 MPI processes for a significant model.