Abstract
The lack of performance portability has been disheartening scientific application users to develop portable programs written in HPF. As the users would like to run the same source code on different parallel machines as fast as possible, we have investigated the performance portability for Japanese HPF compilers (NEC and Fujitsu) with a special benchmark suite. We got good performance in most cases with DISTRIBUTE and INDEPENDENT directives on NEC SX-5, but Fujitsu VPP800 required to explicitly force no communication inside parallel loops with additional LOCAL directives. It was also found that manual optimizations for communication with HPF/JA extensions were very useful to tune parallel performance.
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References
Sakagami, H. and Mizuno, T.: Compatibility Comparison and Performance Evaluation for Japanese HPF Compilers using Scientific Applications, Concurrency and Computation: Practice and Experience, to be published.
Denissen, W. and Sips, H. J.: Finding Performance Bugs with the TNO HPF Benchmark Suite. Concurrency and Computation: Practice and Experience, to be published.
Saltz, J., Crowley, K., Mirchandaney, R. and Berryman, H.: J. of Parallel and Distributed Computing, Vol. 8, pp. 303–312 (1990).
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© 2002 Springer-Verlag Berlin Heidelberg
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Sakagami, H., Furubayashi, S. (2002). Performance Evaluation for Japanese HPF Compilers with Special Benchmark Suite. In: Zima, H.P., Joe, K., Sato, M., Seo, Y., Shimasaki, M. (eds) High Performance Computing. ISHPC 2002. Lecture Notes in Computer Science, vol 2327. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-47847-7_46
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DOI: https://doi.org/10.1007/3-540-47847-7_46
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