Trusted Performance Analysis on Systems With a Shared Memory

doi:10.1109/JSYST.2014.2365234

Trusted Performance Analysis on Systems With a Shared Memory

2017-03-01

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DOI：10.1109/JSYST.2014.2365234

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With the increasing complexity of both data structures and computer architectures, the performance of applications needs fine tuning in order to achieve the expected runtime execution time. Performance tuning is traditionally based on the analysis of performance data. The analysis results may not be accurate, depending on the quality of the data and the applied analysis approaches. Therefore, application developers may ask: Can we trust the analysis results? This paper introduces our research work in performance optimization of the memory system, with a focus on the cache locality of a shared memory and the memory locality of a distributed shared memory. The quality of the data analysis is guaranteed by using both real performance data acquired at the runtime while the application is running and well-established data analysis algorithms in the field of bioinformatics and data mining. We verified the quality of the proposed approaches by optimizing a set of benchmark applications. The experimental results show a significant performance gain.

Keywords:

Code optimization

data analysis

data locality

distributed shared memory

performance tuning

Trusted Performance Analysis on Systems With a Shared Memory

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