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Laksono Adhianto, Sinchan Banerjee, Michael Fagan, Mark Krentel, Gabriel Marin, John Mellor-Crummey, and Nathan Tallent (2008)

HPCToolkit: Tools for performance analysis of optimized parallel programs

Preprint.

HPCToolkit is an integrated suite of tools that supports measurement, analysis, attribution, and presentation of application performance for both sequential and parallel programs. HPCToolkit can pinpoint and quantify scalability bottlenecks in fully-optimized parallel programs with a measurement overhead of only a few percent. Recently, new capabilities were added to HPCToolkit for collecting call path profiles for fully-optimized codes without any compiler support, pinpointing and quantifying bottlenecks in multithreaded programs, exploring performance information and source code using a new user interface, and displaying hierarchical space-time diagrams based on traces of asynchronous call stack samples. This paper provides an overview of HPCToolkit and illustrates its utility for performance analysis of parallel applications.

by Jennifer Harris last modified 2009-04-20 19:33
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