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Analyzing the Performance of Scientific Applications with Open|SpeedShop

M. SCHULZ, J. GALAROWICZ, D. MAGHRAK, W. HACHFELD, D. MONTOYA, S. CRANFORD

Abstract


Open|SpeedShop (O|SS) is a comprehensive, open source, parallel performance analysis tool set that provides the most common performance analysis steps in a single environment. It can help application programmers to analyze, understand and optimize the performance of their codes. O|SS provides a wide range of performance experiments covering both sampling and tracing techniques. It works on sequential, MPI, and multithreaded codes without requiring source code modifications. The latter allows users an easy integration of O|SS into their application’s workflow and runtime environment. This ensures a low learning curve, which is essential for achieving a wide spread adoption of any performance tool set. O|SS, together with documentation and extensive tutorials, is available at http://www.openspeedshop.org/.

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