Место издания:Aachen : M. Jeusfeld c/o Redaktion Sun SITE, Informatik V, RWTH Aachen Germany Germany
Первая страница:546
Последняя страница:551
Аннотация:We propose a new scheme for the collection and analysis of message passing delays from one MPI process to another. The proposed approach is abstracted from a specific implementation of network interaction between computing cluster nodes. It is argued that it is possible to collect data with special software systems and build adequate information model of delays. It is shown how to use this model in the communication environment diagnostics and the dynamic scheduling problems. All stages of the proposed scheme are illustrated with real data collected at Lomonosov Moscow State University supercomputer systems.