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A performance comparison of the IBM RS/6000 and the Astronautics ZS-1

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3 Author(s)
Mangione-Smith, W. ; Michigan Univ., Ann Arbor, MI, USA ; Abraham, S.G. ; Davidson, E.S.

A performance evaluation method for comparing and improving concurrent uniprocessor architectures is introduced, and a detailed case study of its application to two machines is reported. The architectures of the machines, the IBM RS/6000 and the Astronautics ZS-1, are described. The measured performance is given, and a model that yields hard bounds on a machine's performance on a benchmark is presented. The sources of performance loss, i.e. the difference between the model-derived bounds and the measured performance, are examined, and areas for improving the architectures are determined.<>

Published in:

Computer  (Volume:24 ,  Issue: 1 )