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» Optimization of Collective Communication in Intra-cell MPI
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CCGRID
2008
IEEE
15 years 12 months ago
MPI Collectives on Modern Multicore Clusters: Performance Optimizations and Communication Characteristics
The advances in multicore technology and modern interconnects is rapidly accelerating the number of cores deployed in today’s commodity clusters. A majority of parallel applicat...
Amith R. Mamidala, Rahul Kumar, Debraj De, Dhabale...
ICCS
2004
Springer
15 years 10 months ago
Optimization of Collective Reduction Operations
A 5-year-profiling in production mode at the University of Stuttgart has shown that more than 40% of the execution time of Message Passing Interface (MPI) routines is spent in the...
Rolf Rabenseifner
148
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PDCN
2004
15 years 6 months ago
A tunable collective communication framework on a cluster of SMPS
In this paper we investigate a tunable MPI collective communications library on a cluster of SMPs. Most tunable collective communications libraries select optimal algorithms for i...
Meng-Shiou Wu, Ricky A. Kendall, Srinivas Aluru
SC
2005
ACM
15 years 11 months ago
Optimizing All-to-All Collective Communication by Exploiting Concurrency in Modern Networks
The paper proposes a novel approach for optimizing performance of all-to-all collective communication by taking advantage of concurrency available in modern networks such as Infin...
Vinod Tipparaju, Jarek Nieplocha
LCN
2003
IEEE
15 years 10 months ago
Pipelining and Overlapping for MPI Collective Operations
Collective operations are an important aspect of the currently most important message-passing programming model MPI (Message Passing Interface). Many MPI applications make heavy u...
Joachim Worringen