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Optimizing Performance on Linux Clusters Using Advanced Communication Protocols: How 10+ Teraflops Was Achieved on a 8.6 Teraflops Linpack-Rated Linux Cluster

Overview Advancements in high-performance networks (Quadrics, Infiniband or Myrinet) continue to improve the efficiency of modern clusters. However, the average application efficiency is as small fraction of the peak as the system's efficiency. This paper describes techniques for optimizing application performance on Linux clusters using Remote Memory Access communication protocols. The effectiveness of these optimizations is presented in the context of an application kernel, dense matrix multiplication. The result was achieving over 10 teraflops on HP Linux cluster on which LINPACK performance is measured as 8.6 teraflops.

Further White Paper Details
Publisher	Pacific Northwest National Laboratory	File Format	PDF
Date Published	March 2005
Format	White Papers
Topics	Linux - Open Source, Linux Server OS, Application Development

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Optimizing Performance on Linux Clusters Using Advanced Communication Protocols: How 10+ Teraflops Was Achieved on a 8.6 Teraflops Linpack-Rated Linux Cluster

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