Abstract
This work describes an apparatus which can be used to vary communication performance parameters for MPI applications, and provides a tool to analyze the impact of communication performance on parallel applications. Our tool is based on Myrinet (along with GM). We use an extension of the LogP model to allow greater flexibility in determining the parameter(s) to which parallel applications may be sensitive. We show that individual communication parameters can be independently controlled within a small percentage error. We also present the results of using our tool on a suite of parallel benchmarks.
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© 2003 Springer-Verlag Berlin Heidelberg
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León, E.A., Maccabe, A.B., Brightwell, R. (2003). An MPI Tool to Measure Application Sensitivity to Variation in Communication Parameters. In: Dongarra, J., Laforenza, D., Orlando, S. (eds) Recent Advances in Parallel Virtual Machine and Message Passing Interface. EuroPVM/MPI 2003. Lecture Notes in Computer Science, vol 2840. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39924-7_18
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DOI: https://doi.org/10.1007/978-3-540-39924-7_18
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-20149-6
Online ISBN: 978-3-540-39924-7
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