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» On optimizing collective communication
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EUROPAR
2009
Springer
15 years 4 months ago
Process Mapping for MPI Collective Communications
It is an important problem to map virtual parallel processes to physical processors (or cores) in an optimized way to get scalable performance due to non-uniform communication cost...
Jin Zhang, Jidong Zhai, Wenguang Chen, Weimin Zhen...
ICPP
2009
IEEE
15 years 4 months ago
Group Operation Assembly Language - A Flexible Way to Express Collective Communication
—The implementation and optimization of collective communication operations is an important field of active research. Such operations directly influence application performance...
Torsten Hoefler, Christian Siebert, Andrew Lumsdai...
95
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IPPS
2000
IEEE
15 years 1 months ago
Bandwidth-Efficient Collective Communication for Clustered Wide Area Systems
Metacomputing infrastructures couple multiple clusters (or MPPs) via wide-area networks. A major problem in programming parallel applications for such platforms is their hierarchi...
Thilo Kielmann, Henri E. Bal, Sergei Gorlatch