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Conference Papers Year : 2006

Design and Evaluation of Nemesis: a Scalable, Low-Latency, Message-Passing Communication Subsystem

Abstract

This paper presents a new low-level communication subsystem called Nemesis. Nemesis has been designed and implemented to be scalable and efficient both in the intranode communication context using shared-memory and in the internode communication case using high-performance networks and is natively multimethod-enabled. Nemesis has been integrated in MPICH2 as a CH3 channel and delivers better performance than other dedicated communication channels in MPICH2. Furthermore, the resulting MPICH2 architecture outperforms other MPI implementations in point-to-point benchmarks.
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Dates and versions

hal-00344350 , version 1 (04-12-2008)

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Darius Buntinas, Guillaume Mercier, William Gropp. Design and Evaluation of Nemesis: a Scalable, Low-Latency, Message-Passing Communication Subsystem. Sixth IEEE International Symposium on Cluster Computing and the Grid (CCGRID'06), May 2006, Singapour, Singapore. pp.521-530, ⟨10.1109/CCGRID.2006.31⟩. ⟨hal-00344350⟩
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