Question: Suppose that we are developing a new version of the AMD Barcelona processor with a 4 GHz clock rate. We have added some additional instructions

Suppose that we are developing a new version of the AMD Barcelona processor 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.

Exercise 1.12

The following table shows data for further benchmarks. a. b. Name libquantum astar CPI 1.61 1.79 Clock Rate 4 GHz 4 GHz SPECratio 19.8 9.1

a. b. Name Execution Time (seconds) 700 620 bzip2 go Reference Time (seconds) 9650 10490 SPECratio 13.7 16.9

How much has the CPU time been reduced?

a. b. Name libquantum astar CPI 1.61 1.79 Clock Rate 4 GHz 4 GHz SPECratio 19.8 9.1

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