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Authors:
Linda Null ,julia Lobur
Chapter:
Performance Measurement And Analysis
Exercise:
Exercises
Question:1 | ISBN:9780763704445 | Edition: 3

Question

1. Table 10.2 shows an execution mix and run times for two computers, System A and System C. In this example System C is 83% faster than System A. Table 10.3 shows run times for System A with a different execution mix. Using the execution mix in Table 10.3, calculate the percentage by which System C would be faster than System A. Using the original statistics from Table 10.2, by how much has the performance of System A degraded under the new execution mix?

TABLE 10.2 The Execution Mix for Five Programs on Two Systems and the Weighted Average of the Running Times

TABLE 10.3 The Weighted Average Running Times for System A Using a Revised Execution Mix



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