Istituto di Scienza e Tecnologie dell'Informazione     
Cremonesi P., Gennaro C., Marega R. I/O performance in hybrid MIMD+SIMD machines. In: HPCN - 7th International Conference on High Performance Computing and Networking Europe (Amsterdam, 21-23 April 1998). Proceedings, pp. 688 - 697. (Lecture Notes in Computer Science, vol. 1401). Springer Berlin, 1998.
The impact of I/O in the parallel machine is becoming ever more important as the computational power of the processor and the throughput of the communication network are increasing. In this paper we show some scenarios of I/O in parallel machines, in particular we focus on a hybrid MIMD+SIMD architecture which is under the study of an initiative which involves two major MPP vendors in Europe, Alenia Spazio and Meiko. By means of queueing network models we show also how to improve the performance of a SIMD application that alternates I/O and computations in a cyclic fashion.
URL: http://www.springerlink.com/content/436421224w857722/fulltext.pdf
DOI: 10.1007/BFb0037125
Subject Single program multiple data (SPMD)
Multiple instruction multiple data (MIMD)
Single instruction multiple data (SIMD)
Performance model
I.6.5 Model Development

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