Elsevier

Parallel Computing

Volume 17, Issues 10–11, December 1991, Pages 1131-1149
Parallel Computing

Paper
Performance estimates for supercomputers: The responsibilities of the manufacturer and of the user

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Abstract

As an alternative to benchmarks two other methods for the evaluation of the performance of supercomputers are discussed. Micro-measurements reveal the sources for lost cycles for an individual operation. For this purpose we present measurements of the vector triad for the IBM 3090 VF and CRAY Y-MP. A global performance formula gives an estimate for the expected overall performance of a single processor or multiprocessor supercomputer. The formula factorizes the individual losses and makes clearly visible the responsibilities of the manufacturer and of the user for these losses.

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