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The KTAU Project [ANL/UO ZeptoOS]

The KTAU Project [ANL/UO ZeptoOS]. KTAU w/ TAU: Integrated methodology and framework to measure whole-system performance A. Nataraj et. al. “Kernel-level Measurement for Integrated Parallel Performance Views: the KTAU Project” Cluster 2006.

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The KTAU Project [ANL/UO ZeptoOS]

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  1. The KTAU Project [ANL/UO ZeptoOS] • KTAU w/ TAU: Integrated methodology and framework to measure whole-system performance • A. Nataraj et. al. “Kernel-level Measurement for Integrated Parallel Performance Views: the KTAU Project” Cluster 2006. • A. Nataraj et. al. “The Ghost in the Machine : Observing the Effects of Kernel Operation on Parallel Application Performance”, SC 2007. • Contributors: Aroon Nataraj, Allen Malony, Sameer Shende, Alan Morris, Matt Sottile, Peter Beckman • Toward Extremely Large Scales • System-level influences are dominant bottlenecks • Application sensitivity at scale to the system (Noise) • Complex I/O path and subsystems • Isolating system-level factors non-trivial

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