Online Dynamic Monitoring of MPI Communications

Abstract : As the complexity and diversity of computer hardware and the elaborateness of network technologies have made the implementation of portable and efficient algorithms more challenging, the need to understand application communication patterns has become increasingly relevant. This paper presents details of the design and evaluation of a communication-monitoring infrastructure developed in the Open MPI software stack that can expose a dynamically configurable level of detail concerning application communication patterns.
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George Bosilca, Clément Foyer, Emmanuel Jeannot, Guillaume Mercier, Guillaume Papauré. Online Dynamic Monitoring of MPI Communications. Euro-Par 2017 Parallel Processing, Aug 2017, Santiago de Compostella, Spain. ⟨hal-01583498⟩

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