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Make multiply instructions run four times faster

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1. Let a processor A take 0.45 sec to complete program. There are 6 x 10 instructions in this program and the average CPI is 1.5. What is the clock rate of processor A in MHz?

2. You are going to enhance the computer, and there are two possible improvements: cither make multiply instructions run four times faster or
make memory access instructions run two times faster. You repeatedly run a program: 100 scconds. Of this time, 20% is used for multiplication,
50% for memory access instructions, and 30% for other tasks. What will the speedup be if you improve only multiplication?

3. Is it possible to have 1.5 speedup of processor A if you improve only memory access? Why?

Reference no: EM133295435

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