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MagPIe is a library of MPI collective communication operations that are optimized for wide-area systems. Version 2.0 is designed to be an add-on to any MPI implementation. MagPIe is built as a separate library and calls the underlying MPI via the profiling interface. Applications just have to be linked with MagPIe and with MPI; changes to application source are not necessary for using MagPIe. However, it is required that you implement two functions that tell MagPIe how many clusters your wide-area system has and which MPI process is located in which cluster.

Current Version:   2.0

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MPI implementation

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