Design and Development of the Prophesy Performance Database for Distributed Scientific Applications

Efficient execution of a scientific computing application requires insights into how system features impact the performance of the application. A distributed system consists of heterogeneous components, such as networks, processors, run-time systems, operating systems, etc. This heterogeneity complicates the task of gaining insights into the performance of the application. The Prophesy project [21] is an infrastructure that aids in gaining this needed insight based upon one’s experience and that of others. The core component of the Prophesy system is a relational database that allows for the recording of performance data, system features and application details to analyze and improve the performance of scientific applications. The Prophesy infrastructure can be used to develop models based upon significant performance data, identify the most efficient implementation of a given function based upon the given system configuration, explore the various trends im-

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