1.13.2 [10] <1.8> In general, these CPI values are larger than those obtained in previous exercises for the same benchmarks. This is due mainly to the clock rate used in both cases, 3 GHz and 4 GHz. Determine whether the increase in the CPI is similar to that of the clock rate. If they are dissimilar, why?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Suppose that we are developing a new version of the AMD Barcelona proces-
sor with a 4 GHz clock rate. We have added some additional instructions to the
instruction set in such a way that the number of instructions has been reduced by
15% from the values shown for each benchmark in Exercise 1.12. The execution
times obtained are shown in the following table.
a.
Name Execution Time (seconds) Reference Time (seconds)
bzip2
700
9650
SPECratio
13.7
1.13.2 [10] <1.8> In general, these CPI values are larger than those obtained in
previous exercises for the same benchmarks. This is due mainly to the clock rate
used in both cases, 3 GHz and 4 GHz. Determine whether the increase in the CPI
is similar to that of the clock rate. If they are dissimilar, why?
Transcribed Image Text:Suppose that we are developing a new version of the AMD Barcelona proces- sor with a 4 GHz clock rate. We have added some additional instructions to the instruction set in such a way that the number of instructions has been reduced by 15% from the values shown for each benchmark in Exercise 1.12. The execution times obtained are shown in the following table. a. Name Execution Time (seconds) Reference Time (seconds) bzip2 700 9650 SPECratio 13.7 1.13.2 [10] <1.8> In general, these CPI values are larger than those obtained in previous exercises for the same benchmarks. This is due mainly to the clock rate used in both cases, 3 GHz and 4 GHz. Determine whether the increase in the CPI is similar to that of the clock rate. If they are dissimilar, why?
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