Question: Suppose a given optimization to the ALU speeds up execution for the system as a whole by a factor of 1.75. After optimization, ALU operations

Suppose a given optimization to the ALU speeds up execution for the system as a whole

by a factor of 1.75. After optimization, ALU operations take up 1/6 of the total execution

time. What fraction of execution time BEFORE OPTIMIZATION was taken up by ALU

operations? What was the speedup factor to ALU operations due to the optimization?

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