3-Assume a program requires the execution of 50 × 106 FP instructions, 110 x 106 INT instructions, 80 × 106 L/S instructions, and 16 x 106 branch instructions. The CPI for each type of instruction is 4, 2, 3, and 4, respectively. Assume that the processor has a 4 GHz clock rate. a. By how much must we improve the CPl of FP instructions if we want the pro- gram to run three times faster?
3-Assume a program requires the execution of 50 × 106 FP instructions, 110 x 106 INT instructions, 80 × 106 L/S instructions, and 16 x 106 branch instructions. The CPI for each type of instruction is 4, 2, 3, and 4, respectively. Assume that the processor has a 4 GHz clock rate. a. By how much must we improve the CPl of FP instructions if we want the pro- gram to run three times faster?
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 2PE: If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the...
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