505 search results - page 1 / 101 » Optimization of Collective Reduction Operations |
ICCS
2004
Springer
13 years 9 months ago
2004
Springer
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...
IPPS
1999
IEEE
13 years 8 months ago
1999
IEEE
We study how several collective operations like broadcast, reduction, scan, etc. can be composed efficiently in complex parallel programs. Our specific contributions are: (1) a fo...
IPPS
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract—We discuss issues in designing sparse (nearest neighbor) collective operations for communication and reduction operations in small neighborhoods for the Message Passing ...
CCGRID
2008
IEEE
13 years 6 months ago
2008
IEEE
This paper presents the design and implementation of a new file system independent collective I/O optimization based on file views: view-based collective I/O. View-based collective...
ESWA
2006
13 years 4 months ago
2006
The collection of waste is a highly visible and important municipal service that involves large expenditures. Waste collection problems are, however, one of the most difficult ope...