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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Custom Hot Spot Analysis of HPC Software with the Vampir Performance Tool Suite
verfasst von : Holger Brunst, Matthias Weber
Erschienen in: Tools for High Performance Computing 2012
Verlag: Springer Berlin Heidelberg
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Abstract
The development and maintenance of scalable, state-of-the-art applications in High Performance Computing (HPC) is complex and error-prone. Today, performance debuggers and monitors are mandatory in the software development chain and well established. Like the applications, the tools themselves have to keep track of the developments in system and software engineering. Prominent developments in this regard are for example hybrid, accelerated, and energy aware computing. The ever increasing system complexity requires tools that can be adjusted and focused to user specific interests and questions. This article explains how the performance tool Vampir can be used to detect and highlight user-defined hot spots in HPC applications. This includes the customization and derivation of performance metrics, highly configurable performance data filters and a powerful comparison mode for multiple program runs. The latter allows to keep track of the performance improvements of an application during its evolution.