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S. Shende, and A. D. Malony, "Integration and Application of TAU in Parallel Java Environments," Concurrency and Computation: Practice and Experience, Volume 15 (3-5), Mar-Apr 2003, Wiley, pp. 501-519, 2003.

Keywords: TAU, Parallel, Java, Performance Tools

Parallel Java environments present challenging problems for performance tools because of Java's rich language system and its multi-level execution platform combined with the integration of native-code application libraries and parallel runtime software. In addition to the desire to provide robust performance measurement and analysis capabilities for the Java language itself, the coupling of diŽerent software execution contexts under a uniform performance model needs careful consideration of how events of interest are observed and how cross-context parallel execution information is linked. This paper relates our experience in extending the TAU performance system to a parallel Java environment based on mpiJava. We describe the complexities of the instrumentation model used, how performance measurements are made, and the overhead incurred. A parallel Java application simulating the game of Life is used to show the performance system's capabilities.


Modified: Wed Feb 18 17:29:14 2004
Created: Wed Apr 17 14:59:33 2002

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