Abstract
Modern supercomputers with multi-core nodes enhanced by accelerators as well as hybrid programming models introduce more complexity in modern applications. Efficiently exploiting all of the available resources requires a complex performance analysis of applications in order to detect time-consuming or idle sections. This paper presents an open-source tool-chain for analyzing the performance of parallel applications. It is composed of a trace generation framework called EZTrace, a generic interface for writing traces in multipe formats called GTG, and a trace visualizer called ViTE. These tools cover the main steps of performance analysis – from the instrumentation of applications to the trace analysis – and are designed to maximize the compatibility with other performance analysis tools. Thus, these tools support multiple file formats and are not bound to a particular programming model. The evaluation of these tools show that they provide similar performance compared to other analysis tools.
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Notes
- 1.
Available under the CeCILL-C license at http://gtg.gforge.inria.fr/
- 2.
Freely available at http://vite.gforge.inria.fr/
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Coulomb, K., Degomme, A., Faverge, M., Trahay, F. (2012). An Open-Source Tool-Chain for Performance Analysis. In: Brunst, H., Müller, M., Nagel, W., Resch, M. (eds) Tools for High Performance Computing 2011. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31476-6_4
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DOI: https://doi.org/10.1007/978-3-642-31476-6_4
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