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» Sparse collective operations for MPI
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IPPS
2009
IEEE
13 years 11 months ago
Sparse collective operations for MPI
Abstract—We discuss issues in designing sparse (nearest neighbor) collective operations for communication and reduction operations in small neighborhoods for the Message Passing ...
Torsten Hoefler, Jesper Larsson Träff
IPPS
2006
IEEE
13 years 10 months ago
Collective operations in NEC's high-performance MPI libraries
We give an overview of the algorithms and implementations in the high-performance MPI libraries MPI/SX and MPI/ES of some of the most important collective operations of MPI (the M...
Hubert Ritzdorf, Jesper Larsson Träff
PVM
2005
Springer
13 years 9 months ago
Collective Error Detection for MPI Collective Operations
Abstract. An MPI profiling library is a standard mechanism for intercepting MPI calls by applications. Profiling libraries are so named because they are commonly used to gather p...
Christopher Falzone, Anthony Chan, Ewing L. Lusk, ...
PVM
1999
Springer
13 years 8 months ago
Implementing MPI-2 Extended Collective Operations
This paper describes a first approach to implement MPI-2’s Extended Collective Operations. We aimed to ascertain the feasibility and effectiveness of such a project based on exis...
Pedro V. Silva, João Gabriel Silva
ICCS
2004
Springer
13 years 9 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