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» MPI on a Million Processors
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EUROPAR
2009
Springer
14 years 2 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...
PPOPP
2006
ACM
14 years 1 months ago
Minimizing execution time in MPI programs on an energy-constrained, power-scalable cluster
Recently, the high-performance computing community has realized that power is a performance-limiting factor. One reason for this is that supercomputing centers have limited power ...
Robert Springer, David K. Lowenthal, Barry Rountre...
IISWC
2006
IEEE
14 years 1 months ago
Characterization of Scientific Workloads on Systems with Multi-Core Processors
Multi-core processors are planned for virtually all next-generation HPC systems. In a preliminary evaluation of AMD Opteron Dual-Core processor systems, we investigated the scaling...
Sadaf R. Alam, Richard F. Barrett, Jeffery A. Kueh...
IPPS
2005
IEEE
14 years 1 months ago
Exploring the Energy-Time Tradeoff in MPI Programs on a Power-Scalable Cluster
Recently, energy has become an important issue in highperformance computing. For example, supercomputers that have energy in mind, such as BlueGene/L, have been built; the idea is...
Vincent W. Freeh, Feng Pan, Nandini Kappiah, David...
PDP
2010
IEEE
14 years 2 months ago
Experimental Study of Six Different Implementations of Parallel Matrix Multiplication on Heterogeneous Computational Clusters of
—Two strategies of distribution of computations can be used to implement parallel solvers for dense linear algebra problems for Heterogeneous Computational Clusters of Multicore ...
Pedro Alonso, Ravi Reddy, Alexey L. Lastovetsky