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PVM
2009
Springer
14 years 8 days ago
Fine-Grained Data Distribution Operations for Particle Codes
Abstract This paper proposes a new fine-grained data distribution operation MPI Alltoall specific that allows an element-wise distribution of data elements to specific target pro...
Michael Hofmann, Gudula Rünger
PVM
2009
Springer
14 years 8 days ago
Optimizing MPI Runtime Parameter Settings by Using Machine Learning
Abstract. Manually tuning MPI runtime parameters is a practice commonly employed to optimise MPI application performance on a specific architecture. However, the best setting for ...
Simone Pellegrini, Jie Wang, Thomas Fahringer, Han...
PVM
2009
Springer
13 years 10 months ago
Multiple-Level MPI File Write-Back and Prefetching for Blue Gene Systems
This paper presents the design and implementation of an asynchronous data-staging strategy for file accesses based on ROMIO, the most popular MPI-IO distribution, and ZeptoOS, an ...
Javier García Blas, Florin Isaila, Jes&uacu...
PVM
2009
Springer
14 years 8 days ago
Hierarchical Collectives in MPICH2
Abstract. Most parallel systems on which MPI is used are now hierarchical: some processors are much closer to others in terms of interconnect performance. One of the most common su...
Hao Zhu, David Goodell, William Gropp, Rajeev Thak...
PVM
2009
Springer
14 years 8 days ago
MPI on a Million Processors
Petascale machines with close to a million processors will soon be available. Although MPI is the dominant programming model today, some researchers and users wonder (and perhaps e...
Pavan Balaji, Darius Buntinas, David Goodell, Will...