HeteroMPI+ScaLAPACK: towards a ScaLAPACK (dense linear solvers) on heterogeneous networks of computers

Authors:
Ravi Reddy;Alexey Lastovetsky
Affiliations:
GS Laboratory Private Limited, Pune, India;School of Computer Science and Informatics, University College Dublin, Belfield, Dublin 4, Ireland
Venue:
HiPC'06 Proceedings of the 13th international conference on High Performance Computing
Year:
2006

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Abstract

The paper presents a tool that ports ScaLAPACK programs designed to run on massively parallel processors to Heterogeneous Networks of Computers. The tool converts ScaLAPACK programs to HeteroMPI programs. The resulting HeteroMPI programs do not aim to extract the maximum performance from a Heterogeneous Networks of Computers but provide an easy and simple way to execute the ScaLAPACK programs on such networks with good performance improvements. We demonstrate the efficiency of the resulting HeteroMPI programs by performing experiments with a matrix multiplication application on a local network of heterogeneous computers.