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» Sparse collective operations for MPI
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EUROPAR
2006
Springer
13 years 11 months ago
Specification of Inefficiency Patterns for MPI-2 One-Sided Communication
Abstract. Automatic performance analysis of parallel programs can be accomplished by scanning event traces of program execution for patterns representing inefficient behavior. The ...
Andrej Kühnal, Marc-André Hermanns, Be...
ICCS
2009
Springer
14 years 2 months ago
A Scalable Non-blocking Multicast Scheme for Distributed DAG Scheduling
Abstract. This paper presents an application-level non-blocking multicast scheme for dynamic DAG scheduling on large-scale distributedmemory systems. The multicast scheme takes int...
Fengguang Song, Jack Dongarra, Shirley Moore
WCE
2007
13 years 8 months ago
Sparse Matrix Multiplication Using UPC
—Partitioned global address space (PGAS) languages, such as Unified Parallel C (UPC) have the promise of being productive. Due to the shared address space view that they provide,...
Hoda El-Sayed, Eric Wright
COREGRID
2007
Springer
14 years 1 months ago
Total Exchange Performance Prediction on Grid Environments
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient algorithms have b...
Luiz Angelo Steffenel, Emmanuel Jeannot
ISPAN
2005
IEEE
14 years 1 months ago
An Efficient MPI-IO for Noncontiguous Data Access over InfiniBand
Noncontiguous data access is a very common access pattern in many scientific applications. Using POSIX I/O to access many pieces of noncontiguous data segments will generate a lot...
Ding-Yong Hong, Ching-Wen You, Yeh-Ching Chung