Sciweavers

CLUSTER
2006
IEEE
13 years 11 months ago
Optimizing MPI collective communication by orthogonal structures
Many parallel applications from scientific computing use MPI collective communication operations to collect or distribute data. Since the execution times of these communication op...
Matthias Kühnemann, Thomas Rauber, Gudula R&u...
ICPP
1998
IEEE
14 years 3 months ago
Efficient Collective Communication on Heterogeneous Networks of Workstations
Networks of Workstations (NOW) have become an attractive alternative platform for high performance computing. Due to the commodity nature of workstations and interconnects and due...
Mohammad Banikazemi, Vijay Moorthy, Dhabaleswar K....
HCW
1999
IEEE
14 years 3 months ago
Communication Modeling of Heterogeneous Networks of Workstations for Performance Characterization of Collective Operations
: Networks of Workstations (NOW) have become an attractive alternative platform for high performance computing. Due to the commodity nature of workstations and interconnects and du...
Mohammad Banikazemi, Jayanthi Sampathkumar, Sandee...
SC
2000
ACM
14 years 3 months ago
Automatically Tuned Collective Communications
The performance of the MPI’s collective communications is critical in most MPI-based applications. A general algorithm for a given collective communication operation may not giv...
Sathish S. Vadhiyar, Graham E. Fagg, Jack Dongarra
CCGRID
2007
IEEE
14 years 5 months ago
Adaptive Performance Modeling on Hierarchical Grid Computing Environments
In the past, efficient parallel algorithms have always been developed specifically for the successive generations of parallel systems (vector machines, shared-memory machines, d...
Wahid Nasri, Luiz Angelo Steffenel, Denis Trystram
IPPS
2009
IEEE
14 years 6 months ago
Revisiting communication performance models for computational clusters
—In this paper, we analyze restrictions of traditional models affecting the accuracy of analytical prediction of the execution time of collective communication operations. In par...
Alexey L. Lastovetsky, Vladimir Rychkov, Maureen O...