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2007
Springer

An Evaluation of Open MPI's Matching Transport Layer on the Cray XT

10 years 2 months ago
An Evaluation of Open MPI's Matching Transport Layer on the Cray XT
Open MPI was initially designed to support a wide variety of high-performance networks and network programming interfaces. Recently, Open MPI was enhanced to support networks that have full support for MPI matching semantics. Previous Open MPI efforts focused on networks that require the MPI library to manage message matching, which is sub-optimal for some networks that inherently support matching. We describes a new matching transport layer in Open MPI, present results of micro-benchmarks and several applications on the Cray XT platform, and compare performance of the new and the existing transport layers, as well as the vendor-supplied implementation of MPI.
Richard L. Graham, Ron Brightwell, Brian Barrett,
Added 09 Jun 2010
Updated 09 Jun 2010
Type Conference
Year 2007
Where PVM
Authors Richard L. Graham, Ron Brightwell, Brian Barrett, George Bosilca, Jelena Pjesivac-Grbovic
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