Predictive performance and scalability modeling of a large-scale application
Proceedings of the 2001 ACM/IEEE conference on Supercomputing
Exploring Advanced Architectures Using Performance Prediction
IWIA '02 Proceedings of the International Workshop on Innovative Architecture for Future Generation High-Performance Processors and Systems (IWIA'02)
Proceedings of the 2003 ACM/IEEE conference on Supercomputing
Concurrency and Computation: Practice & Experience - The High Performance Architectural Challenge: Mass Market versus Proprietary Components?
International Journal of High Performance Computing Applications
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This work explores the expected performance of three applications on a High Performance Computing cluster interconnected using Infiniband. In particular, the expected performance across a range of configurations is analyzed notably Infiniband 4x, 8x and 12x representing link-speeds of 10Gb/s, 20Gb/s, and 30Gb/s respectively as well as near-neighbor MPI message latencies of 4µs and 1.5µs. In addition we also consider the impact of node size, from one to eight processors that share a single network connection. The performance analysis is based on the use of detailed performance models of the three applications developed at Los Alamos. The results of the analysis show that the application performance can range by as much as 60% from best to worst. The relative importance of bandwidth, latency and node size differs between the applications.