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» Collective Error Detection for MPI Collective Operations
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76
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PAAPP
2010
131views more  PAAPP 2010»
14 years 8 months ago
Accurately measuring overhead, communication time and progression of blocking and nonblocking collective operations at massive s
Accurate, reproducible and comparable measurement of the overheads, communication times and progression behavior of blocking and nonblocking collective operations is a complicated...
Torsten Hoefler, Timo Schneider, Andrew Lumsdaine
90
Voted
PVM
1999
Springer
15 years 1 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
15 years 2 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
98
Voted
LCN
2003
IEEE
15 years 2 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
90
Voted
PVM
2000
Springer
15 years 1 months ago
Runtime Checking of Datatype Signatures in MPI
Abstract. The MPI standard provides a way to send and receive complex combinations of datatypes (e.g., integers and doubles) with a single communication operation. The MPI standard...
William Gropp