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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.
keyword :
MPI
parallel programming
https://hal.archives-ouvertes.fr/hal-00344350
Contributor : Guillaume Mercier <>
Submitted on : Thursday, December 4, 2008 - 3:19:15 PM
Last modification on : Friday, July 10, 2020 - 4:26:04 PM
Long-term archiving on: : Thursday, October 11, 2012 - 12:32:31 PM
Contributor : Guillaume Mercier <>
Submitted on : Thursday, December 4, 2008 - 3:19:15 PM
Last modification on : Friday, July 10, 2020 - 4:26:04 PM
Long-term archiving on: : Thursday, October 11, 2012 - 12:32:31 PM
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article_ccgrid06.pdf
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