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Table Of Contents
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Network Plan
Have a dedicated server for openSM and SHARP Aggregation Manager (SHARP AM).
Note that sharpd (SHARP daemon) and SHARP AM cannot run on the same compute server.
MPI API calls supported by SHARP
Note that SHARP is enabled only on the MPI_allreduce and MPI_barrier collectives.
Therefore, before testing it with HPC application, you should profile the application and look for high percentage of those calls MPI, otherwise, the SHARP value may be negligible.
Set up the cluster and OpenSM
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